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_product52.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:11:57,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:11:57,339 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:11:57,351 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:11:57,352 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:11:57,353 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:11:57,354 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:11:57,356 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:11:57,358 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:11:57,359 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:11:57,360 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:11:57,361 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:11:57,361 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:11:57,362 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:11:57,363 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:11:57,364 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:11:57,365 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:11:57,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:11:57,368 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:11:57,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:11:57,371 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:11:57,372 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:11:57,373 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:11:57,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:11:57,376 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:11:57,376 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:11:57,376 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:11:57,377 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:11:57,377 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:11:57,378 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:11:57,378 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:11:57,379 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:11:57,380 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:11:57,381 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:11:57,382 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:11:57,382 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:11:57,383 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:11:57,383 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:11:57,383 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:11:57,384 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:11:57,385 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:11:57,386 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 15:11:57,401 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:11:57,401 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:11:57,403 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:11:57,403 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:11:57,403 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:11:57,403 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:11:57,404 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:11:57,404 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:11:57,404 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:11:57,404 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:11:57,405 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:11:57,405 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:11:57,405 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:11:57,405 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:11:57,405 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:11:57,406 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:11:57,406 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:11:57,406 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:11:57,406 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:11:57,406 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:11:57,407 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:11:57,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:11:57,407 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:11:57,407 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:11:57,408 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:11:57,408 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:11:57,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:11:57,408 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:11:57,408 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 15:11:57,440 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:11:57,453 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:11:57,458 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:11:57,460 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:11:57,461 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:11:57,461 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product52.cil.c [2019-09-20 15:11:57,534 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8801752e/53c059ba5ac740e98044be1ac0a853b8/FLAGa4c4b4965 [2019-09-20 15:11:58,046 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:11:58,047 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product52.cil.c [2019-09-20 15:11:58,067 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8801752e/53c059ba5ac740e98044be1ac0a853b8/FLAGa4c4b4965 [2019-09-20 15:11:58,351 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8801752e/53c059ba5ac740e98044be1ac0a853b8 [2019-09-20 15:11:58,361 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:11:58,363 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:11:58,364 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:11:58,364 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:11:58,369 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:11:58,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:11:58" (1/1) ... [2019-09-20 15:11:58,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3205cab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:58, skipping insertion in model container [2019-09-20 15:11:58,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:11:58" (1/1) ... [2019-09-20 15:11:58,380 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:11:58,451 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:11:58,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:11:58,992 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:11:59,061 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:11:59,106 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:11:59,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:59 WrapperNode [2019-09-20 15:11:59,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:11:59,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:11:59,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:11:59,108 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:11:59,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:59" (1/1) ... [2019-09-20 15:11:59,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:59" (1/1) ... [2019-09-20 15:11:59,152 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:59" (1/1) ... [2019-09-20 15:11:59,153 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:59" (1/1) ... [2019-09-20 15:11:59,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:59" (1/1) ... [2019-09-20 15:11:59,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:59" (1/1) ... [2019-09-20 15:11:59,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:59" (1/1) ... [2019-09-20 15:11:59,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:11:59,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:11:59,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:11:59,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:11:59,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:59" (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 15:11:59,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:11:59,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:11:59,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:11:59,298 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:11:59,299 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:11:59,299 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:11:59,300 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:11:59,300 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:11:59,300 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:11:59,300 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 15:11:59,300 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:11:59,300 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:11:59,300 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:11:59,301 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 15:11:59,301 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:11:59,301 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:11:59,301 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:11:59,301 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:11:59,302 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:11:59,302 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:11:59,302 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 15:11:59,302 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:11:59,302 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 15:11:59,302 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 15:11:59,302 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:11:59,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:11:59,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:11:59,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:11:59,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:11:59,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:11:59,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:11:59,304 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:11:59,304 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:11:59,304 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:11:59,304 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:11:59,304 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:11:59,304 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:11:59,305 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:11:59,305 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:11:59,305 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:11:59,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:11:59,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 15:11:59,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:11:59,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:11:59,306 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:11:59,306 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:11:59,306 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:11:59,306 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:11:59,307 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:11:59,307 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:11:59,307 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:11:59,307 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 15:11:59,307 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:11:59,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:11:59,308 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:11:59,308 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:11:59,308 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:11:59,308 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:11:59,308 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:11:59,308 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 15:11:59,309 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 15:11:59,309 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 15:11:59,309 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:11:59,309 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:11:59,309 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 15:11:59,309 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 15:11:59,310 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:11:59,310 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:11:59,310 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:11:59,310 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:11:59,310 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:11:59,310 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:11:59,310 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:11:59,311 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:11:59,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:11:59,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:11:59,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:11:59,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:11:59,311 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:11:59,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:11:59,312 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:11:59,312 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:11:59,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:11:59,312 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:11:59,312 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:11:59,313 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:11:59,313 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:11:59,313 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:11:59,313 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:11:59,313 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:11:59,313 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:11:59,313 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:11:59,314 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:11:59,314 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:11:59,314 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:11:59,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:11:59,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:11:59,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:12:00,911 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:12:00,911 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:12:00,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:12:00 BoogieIcfgContainer [2019-09-20 15:12:00,913 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:12:00,913 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:12:00,913 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:12:00,913 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:12:00,915 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:12:00" (1/1) ... [2019-09-20 15:12:00,915 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 15:12:00,942 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:12:00,942 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:12:00,958 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:12:00,971 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:12:00,972 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:12:11,606 WARN L191 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:12:11,639 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-20 15:12:11,702 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-20 15:12:11,708 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-20 15:12:13,891 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-20 15:12:13,932 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-20 15:12:13,940 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 17 for LOIs [2019-09-20 15:12:13,945 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 27 for LOIs [2019-09-20 15:12:13,945 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:12:13,945 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:12:13,948 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 991#(and (or (and (or (= ~pumpRunning~0 0) (and (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (not (= ~pumpRunning~0 0)))) (= 0 ~systemActive~0)) (not (= 0 ~systemActive~0))) (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-20 15:12:13,964 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:12:13,964 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:12:13,967 INFO L168 Benchmark]: Toolchain (without parser) took 15603.69 ms. Allocated memory was 131.6 MB in the beginning and 328.2 MB in the end (delta: 196.6 MB). Free memory was 86.2 MB in the beginning and 95.2 MB in the end (delta: -9.0 MB). Peak memory consumption was 187.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:12:13,968 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 131.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:12:13,969 INFO L168 Benchmark]: CACSL2BoogieTranslator took 743.11 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 86.0 MB in the beginning and 164.1 MB in the end (delta: -78.1 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. [2019-09-20 15:12:13,970 INFO L168 Benchmark]: Boogie Preprocessor took 121.60 ms. Allocated memory is still 199.2 MB. Free memory was 164.1 MB in the beginning and 159.6 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:12:13,971 INFO L168 Benchmark]: RCFGBuilder took 1683.36 ms. Allocated memory was 199.2 MB in the beginning and 221.2 MB in the end (delta: 22.0 MB). Free memory was 159.6 MB in the beginning and 139.7 MB in the end (delta: 20.0 MB). Peak memory consumption was 91.9 MB. Max. memory is 7.1 GB. [2019-09-20 15:12:13,973 INFO L168 Benchmark]: Sifa took 13051.55 ms. Allocated memory was 221.2 MB in the beginning and 328.2 MB in the end (delta: 107.0 MB). Free memory was 139.7 MB in the beginning and 95.2 MB in the end (delta: 44.4 MB). Peak memory consumption was 151.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:12:13,977 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 131.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 743.11 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 86.0 MB in the beginning and 164.1 MB in the end (delta: -78.1 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.60 ms. Allocated memory is still 199.2 MB. Free memory was 164.1 MB in the beginning and 159.6 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1683.36 ms. Allocated memory was 199.2 MB in the beginning and 221.2 MB in the end (delta: 22.0 MB). Free memory was 159.6 MB in the beginning and 139.7 MB in the end (delta: 20.0 MB). Peak memory consumption was 91.9 MB. Max. memory is 7.1 GB. * Sifa took 13051.55 ms. Allocated memory was 221.2 MB in the beginning and 328.2 MB in the end (delta: 107.0 MB). Free memory was 139.7 MB in the beginning and 95.2 MB in the end (delta: 44.4 MB). Peak memory consumption was 151.4 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]: 13006, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 468, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 304, TOOLS_POST_TIME[ms]: 10947, TOOLS_POST_CALL_APPLICATIONS: 137, TOOLS_POST_CALL_TIME[ms]: 625, TOOLS_POST_RETURN_APPLICATIONS: 128, TOOLS_POST_RETURN_TIME[ms]: 519, TOOLS_QUANTIFIERELIM_APPLICATIONS: 569, TOOLS_QUANTIFIERELIM_TIME[ms]: 11810, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 10552, FLUID_QUERY_TIME[ms]: 16, FLUID_QUERIES: 481, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 154, DOMAIN_JOIN_TIME[ms]: 50, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 7, DOMAIN_WIDEN_TIME[ms]: 8, DOMAIN_ISSUBSETEQ_APPLICATIONS: 13, DOMAIN_ISSUBSETEQ_TIME[ms]: 75, DOMAIN_ISBOTTOM_APPLICATIONS: 96, DOMAIN_ISBOTTOM_TIME[ms]: 569, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2064, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2063, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 13, CALL_SUMMARIZER_APPLICATIONS: 128, CALL_SUMMARIZER_CACHE_MISSES: 28, CALL_SUMMARIZER_OVERALL_TIME[ms]: 10710, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10708, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 43, DAG_COMPRESSION_PROCESSED_NODES: 554, DAG_COMPRESSION_RETAINED_NODES: 279 - UnprovableResult [Line: 953]: 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 991#(and (or (and (or (= ~pumpRunning~0 0) (and (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (not (= ~pumpRunning~0 0)))) (= 0 ~systemActive~0)) (not (= 0 ~systemActive~0))) (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...