java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 19:20:04,349 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 19:20:04,351 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 19:20:04,369 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 19:20:04,370 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 19:20:04,371 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 19:20:04,374 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 19:20:04,386 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 19:20:04,387 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 19:20:04,388 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 19:20:04,389 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 19:20:04,390 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 19:20:04,390 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 19:20:04,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 19:20:04,392 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 19:20:04,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 19:20:04,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 19:20:04,395 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 19:20:04,396 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 19:20:04,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 19:20:04,399 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 19:20:04,401 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 19:20:04,402 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 19:20:04,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 19:20:04,404 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 19:20:04,404 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 19:20:04,405 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 19:20:04,406 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 19:20:04,406 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 19:20:04,407 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 19:20:04,407 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 19:20:04,408 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 19:20:04,408 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 19:20:04,409 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 19:20:04,410 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 19:20:04,410 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 19:20:04,411 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 19:20:04,411 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 19:20:04,411 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 19:20:04,412 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 19:20:04,413 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 19:20:04,414 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-16 19:20:04,427 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 19:20:04,428 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 19:20:04,429 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 19:20:04,429 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 19:20:04,429 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 19:20:04,430 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 19:20:04,430 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 19:20:04,430 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 19:20:04,430 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 19:20:04,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 19:20:04,431 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 19:20:04,431 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 19:20:04,431 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 19:20:04,431 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 19:20:04,431 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 19:20:04,432 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 19:20:04,432 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 19:20:04,432 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 19:20:04,432 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 19:20:04,432 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 19:20:04,433 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 19:20:04,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 19:20:04,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 19:20:04,433 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 19:20:04,433 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 19:20:04,434 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 19:20:04,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 19:20:04,434 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 19:20:04,434 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-16 19:20:04,464 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 19:20:04,476 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 19:20:04,480 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 19:20:04,481 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 19:20:04,482 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 19:20:04,482 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product46.cil.c [2019-09-16 19:20:04,543 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7970c919e/d30a216536534e0a953c2f9658df99dc/FLAGc4333e6e8 [2019-09-16 19:20:05,039 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 19:20:05,040 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product46.cil.c [2019-09-16 19:20:05,062 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7970c919e/d30a216536534e0a953c2f9658df99dc/FLAGc4333e6e8 [2019-09-16 19:20:05,378 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7970c919e/d30a216536534e0a953c2f9658df99dc [2019-09-16 19:20:05,392 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 19:20:05,393 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 19:20:05,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 19:20:05,395 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 19:20:05,398 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 19:20:05,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 07:20:05" (1/1) ... [2019-09-16 19:20:05,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ad02aa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:20:05, skipping insertion in model container [2019-09-16 19:20:05,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 07:20:05" (1/1) ... [2019-09-16 19:20:05,410 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 19:20:05,467 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 19:20:05,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 19:20:05,953 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 19:20:06,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 19:20:06,113 INFO L192 MainTranslator]: Completed translation [2019-09-16 19:20:06,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:20:06 WrapperNode [2019-09-16 19:20:06,114 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 19:20:06,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 19:20:06,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 19:20:06,115 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 19:20:06,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:20:06" (1/1) ... [2019-09-16 19:20:06,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:20:06" (1/1) ... [2019-09-16 19:20:06,146 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:20:06" (1/1) ... [2019-09-16 19:20:06,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:20:06" (1/1) ... [2019-09-16 19:20:06,177 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:20:06" (1/1) ... [2019-09-16 19:20:06,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:20:06" (1/1) ... [2019-09-16 19:20:06,192 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:20:06" (1/1) ... [2019-09-16 19:20:06,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 19:20:06,200 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 19:20:06,200 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 19:20:06,200 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 19:20:06,201 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:20:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 19:20:06,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 19:20:06,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 19:20:06,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-16 19:20:06,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-09-16 19:20:06,269 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-16 19:20:06,269 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-16 19:20:06,269 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-16 19:20:06,270 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-16 19:20:06,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-16 19:20:06,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-16 19:20:06,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-16 19:20:06,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-16 19:20:06,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-16 19:20:06,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-16 19:20:06,271 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-16 19:20:06,272 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-16 19:20:06,274 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-16 19:20:06,274 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-16 19:20:06,274 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 19:20:06,275 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-16 19:20:06,275 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-16 19:20:06,275 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-16 19:20:06,275 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-16 19:20:06,275 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-16 19:20:06,275 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-16 19:20:06,275 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-16 19:20:06,276 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-16 19:20:06,276 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-16 19:20:06,276 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-16 19:20:06,276 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-16 19:20:06,276 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-09-16 19:20:06,276 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-16 19:20:06,276 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-16 19:20:06,277 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-16 19:20:06,277 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-16 19:20:06,277 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-16 19:20:06,277 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-16 19:20:06,277 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-16 19:20:06,278 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-16 19:20:06,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-16 19:20:06,278 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 19:20:06,278 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 19:20:06,278 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-16 19:20:06,279 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-16 19:20:06,279 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-16 19:20:06,279 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-16 19:20:06,279 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-16 19:20:06,279 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-09-16 19:20:06,279 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-16 19:20:06,279 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-16 19:20:06,280 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-16 19:20:06,280 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-16 19:20:06,280 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-16 19:20:06,280 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 19:20:06,280 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 19:20:06,280 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-16 19:20:06,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 19:20:06,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 19:20:06,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 19:20:06,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 19:20:06,282 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-16 19:20:06,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 19:20:06,282 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-16 19:20:06,282 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-16 19:20:06,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 19:20:06,282 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-16 19:20:06,282 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-16 19:20:06,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 19:20:06,283 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-16 19:20:06,283 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-16 19:20:06,283 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-16 19:20:06,283 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-16 19:20:06,283 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-16 19:20:06,284 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-16 19:20:06,284 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-16 19:20:06,284 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-16 19:20:06,285 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-16 19:20:06,285 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-16 19:20:06,285 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 19:20:06,285 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-16 19:20:06,286 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-16 19:20:06,286 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-16 19:20:06,286 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-16 19:20:06,286 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-16 19:20:06,287 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-16 19:20:06,287 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-16 19:20:06,287 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-16 19:20:06,288 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-16 19:20:06,288 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-16 19:20:06,288 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-16 19:20:06,288 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-09-16 19:20:06,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 19:20:06,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 19:20:06,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 19:20:07,746 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 19:20:07,746 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-16 19:20:07,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 07:20:07 BoogieIcfgContainer [2019-09-16 19:20:07,748 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 19:20:07,748 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-16 19:20:07,748 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-16 19:20:07,749 INFO L275 PluginConnector]: Sifa initialized [2019-09-16 19:20:07,750 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 07:20:07" (1/1) ... [2019-09-16 19:20:07,750 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-16 19:20:07,774 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-16 19:20:07,775 INFO L169 IcfgInterpreter]: Building call graph [2019-09-16 19:20:07,785 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-16 19:20:07,794 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-16 19:20:07,796 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-16 19:20:31,855 WARN L191 SmtUtils]: Spent 14.68 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-16 19:20:33,669 WARN L191 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-16 19:20:37,657 WARN L191 SmtUtils]: Spent 3.98 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-16 19:20:39,422 WARN L191 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-16 19:20:41,184 WARN L191 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-16 19:20:41,200 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 430 for LOIs [2019-09-16 19:20:41,261 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 430 for LOIs [2019-09-16 19:20:41,269 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 430 for LOIs [2019-09-16 19:20:52,464 WARN L191 SmtUtils]: Spent 11.04 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-16 19:20:57,789 WARN L191 SmtUtils]: Spent 5.32 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-16 19:21:08,528 WARN L191 SmtUtils]: Spent 10.74 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-16 19:21:13,877 WARN L191 SmtUtils]: Spent 5.35 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-16 19:21:24,585 WARN L191 SmtUtils]: Spent 10.71 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-16 19:21:29,874 WARN L191 SmtUtils]: Spent 5.29 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-16 19:21:56,613 WARN L191 SmtUtils]: Spent 26.67 s on a formula simplification. DAG size of input: 457 DAG size of output: 455 [2019-09-16 19:22:05,502 WARN L191 SmtUtils]: Spent 8.89 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-16 19:22:37,371 WARN L191 SmtUtils]: Spent 31.80 s on a formula simplification. DAG size of input: 478 DAG size of output: 478 [2019-09-16 19:22:53,335 WARN L191 SmtUtils]: Spent 15.96 s on a formula simplification that was a NOOP. DAG size: 478 [2019-09-16 19:23:21,308 WARN L191 SmtUtils]: Spent 26.92 s on a formula simplification. DAG size of input: 466 DAG size of output: 461 [2019-09-16 19:23:30,230 WARN L191 SmtUtils]: Spent 8.92 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-16 19:23:36,045 WARN L191 SmtUtils]: Spent 5.75 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-16 19:23:41,591 WARN L191 SmtUtils]: Spent 5.54 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-16 19:23:58,955 WARN L191 SmtUtils]: Spent 17.36 s on a formula simplification. DAG size of input: 468 DAG size of output: 459 [2019-09-16 19:24:07,649 WARN L191 SmtUtils]: Spent 8.69 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-16 19:24:25,160 WARN L191 SmtUtils]: Spent 17.51 s on a formula simplification. DAG size of input: 468 DAG size of output: 459 [2019-09-16 19:24:33,858 WARN L191 SmtUtils]: Spent 8.70 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-16 19:24:49,620 WARN L191 SmtUtils]: Spent 15.74 s on a formula simplification that was a NOOP. DAG size: 476 [2019-09-16 19:24:50,031 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2019-09-16 19:24:50,190 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2019-09-16 19:25:17,288 WARN L191 SmtUtils]: Spent 26.82 s on a formula simplification. DAG size of input: 457 DAG size of output: 455 [2019-09-16 19:25:26,165 WARN L191 SmtUtils]: Spent 8.88 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-16 19:25:58,489 WARN L191 SmtUtils]: Spent 32.28 s on a formula simplification. DAG size of input: 478 DAG size of output: 478 [2019-09-16 19:26:14,461 WARN L191 SmtUtils]: Spent 15.97 s on a formula simplification that was a NOOP. DAG size: 478 [2019-09-16 19:26:32,297 WARN L191 SmtUtils]: Spent 17.77 s on a formula simplification. DAG size of input: 466 DAG size of output: 461 [2019-09-16 19:26:41,209 WARN L191 SmtUtils]: Spent 8.91 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-16 19:26:46,820 WARN L191 SmtUtils]: Spent 5.57 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-16 19:26:52,459 WARN L191 SmtUtils]: Spent 5.64 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-16 19:27:03,414 WARN L191 SmtUtils]: Spent 10.95 s on a formula simplification. DAG size of input: 468 DAG size of output: 454 [2019-09-16 19:27:08,937 WARN L191 SmtUtils]: Spent 5.52 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-16 19:27:19,911 WARN L191 SmtUtils]: Spent 10.97 s on a formula simplification. DAG size of input: 468 DAG size of output: 454 [2019-09-16 19:27:25,443 WARN L191 SmtUtils]: Spent 5.53 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-16 19:27:37,973 WARN L191 SmtUtils]: Spent 12.51 s on a formula simplification that was a NOOP. DAG size: 472 [2019-09-16 19:27:38,283 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2019-09-16 19:27:38,439 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2019-09-16 19:28:05,205 WARN L191 SmtUtils]: Spent 26.69 s on a formula simplification. DAG size of input: 457 DAG size of output: 455 [2019-09-16 19:28:14,148 WARN L191 SmtUtils]: Spent 8.94 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-16 19:28:46,131 WARN L191 SmtUtils]: Spent 31.94 s on a formula simplification. DAG size of input: 478 DAG size of output: 478 [2019-09-16 19:29:02,230 WARN L191 SmtUtils]: Spent 16.10 s on a formula simplification that was a NOOP. DAG size: 478 [2019-09-16 19:29:29,781 WARN L191 SmtUtils]: Spent 27.46 s on a formula simplification. DAG size of input: 466 DAG size of output: 461 [2019-09-16 19:29:39,009 WARN L191 SmtUtils]: Spent 9.23 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-16 19:29:44,742 WARN L191 SmtUtils]: Spent 5.69 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-16 19:29:50,236 WARN L191 SmtUtils]: Spent 5.49 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-16 19:30:07,624 WARN L191 SmtUtils]: Spent 17.39 s on a formula simplification. DAG size of input: 468 DAG size of output: 459 [2019-09-16 19:30:16,335 WARN L191 SmtUtils]: Spent 8.71 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-16 19:30:33,713 WARN L191 SmtUtils]: Spent 17.38 s on a formula simplification. DAG size of input: 468 DAG size of output: 459 [2019-09-16 19:30:42,385 WARN L191 SmtUtils]: Spent 8.67 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-16 19:30:58,116 WARN L191 SmtUtils]: Spent 15.71 s on a formula simplification that was a NOOP. DAG size: 476 [2019-09-16 19:30:58,444 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2019-09-16 19:30:58,600 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2019-09-16 19:30:58,704 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-16 19:30:59,146 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-16 19:30:59,222 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification3_spec__1 with input of size 1 for LOIs [2019-09-16 19:30:59,226 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 14 for LOIs [2019-09-16 19:30:59,242 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-16 19:30:59,242 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-16 19:30:59,244 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 609#(and (= 0 ~methaneLevelCritical~0) (= 2 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-09-16 19:30:59,254 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-16 19:30:59,255 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-16 19:30:59,256 INFO L168 Benchmark]: Toolchain (without parser) took 653863.16 ms. Allocated memory was 138.9 MB in the beginning and 145.2 MB in the end (delta: 6.3 MB). Free memory was 84.5 MB in the beginning and 97.5 MB in the end (delta: -13.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 19:30:59,257 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.9 MB. Free memory is still 103.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 19:30:59,258 INFO L168 Benchmark]: CACSL2BoogieTranslator took 719.77 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 84.5 MB in the beginning and 163.6 MB in the end (delta: -79.2 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2019-09-16 19:30:59,258 INFO L168 Benchmark]: Boogie Preprocessor took 85.30 ms. Allocated memory is still 198.7 MB. Free memory was 163.6 MB in the beginning and 159.1 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-16 19:30:59,260 INFO L168 Benchmark]: RCFGBuilder took 1547.57 ms. Allocated memory was 198.7 MB in the beginning and 221.8 MB in the end (delta: 23.1 MB). Free memory was 159.1 MB in the beginning and 141.3 MB in the end (delta: 17.9 MB). Peak memory consumption was 90.9 MB. Max. memory is 7.1 GB. [2019-09-16 19:30:59,261 INFO L168 Benchmark]: Sifa took 651506.60 ms. Allocated memory was 221.8 MB in the beginning and 145.2 MB in the end (delta: -76.5 MB). Free memory was 141.3 MB in the beginning and 97.5 MB in the end (delta: 43.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 19:30:59,264 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 138.9 MB. Free memory is still 103.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 719.77 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 84.5 MB in the beginning and 163.6 MB in the end (delta: -79.2 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.30 ms. Allocated memory is still 198.7 MB. Free memory was 163.6 MB in the beginning and 159.1 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1547.57 ms. Allocated memory was 198.7 MB in the beginning and 221.8 MB in the end (delta: 23.1 MB). Free memory was 159.1 MB in the beginning and 141.3 MB in the end (delta: 17.9 MB). Peak memory consumption was 90.9 MB. Max. memory is 7.1 GB. * Sifa took 651506.60 ms. Allocated memory was 221.8 MB in the beginning and 145.2 MB in the end (delta: -76.5 MB). Free memory was 141.3 MB in the beginning and 97.5 MB in the end (delta: 43.7 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]: 651470, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 308, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 204, TOOLS_POST_TIME[ms]: 29950, TOOLS_POST_CALL_APPLICATIONS: 88, TOOLS_POST_CALL_TIME[ms]: 275, TOOLS_POST_RETURN_APPLICATIONS: 79, TOOLS_POST_RETURN_TIME[ms]: 156, TOOLS_QUANTIFIERELIM_APPLICATIONS: 371, TOOLS_QUANTIFIERELIM_TIME[ms]: 30234, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 29784, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 319, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 99, DOMAIN_JOIN_TIME[ms]: 576277, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 7, DOMAIN_WIDEN_TIME[ms]: 44202, DOMAIN_ISSUBSETEQ_APPLICATIONS: 11, DOMAIN_ISSUBSETEQ_TIME[ms]: 61, DOMAIN_ISBOTTOM_APPLICATIONS: 52, DOMAIN_ISBOTTOM_TIME[ms]: 386, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 461968, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 461967, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 11, CALL_SUMMARIZER_APPLICATIONS: 79, CALL_SUMMARIZER_CACHE_MISSES: 27, CALL_SUMMARIZER_OVERALL_TIME[ms]: 34443, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 34442, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 38, DAG_COMPRESSION_PROCESSED_NODES: 464, DAG_COMPRESSION_RETAINED_NODES: 237 - UnprovableResult [Line: 957]: 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 609#(and (= 0 ~methaneLevelCritical~0) (= 2 ~waterLevel~0) (= ~pumpRunning~0 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...