java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 06:01:54,282 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 06:01:54,284 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 06:01:54,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 06:01:54,303 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 06:01:54,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 06:01:54,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 06:01:54,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 06:01:54,321 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 06:01:54,324 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 06:01:54,325 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 06:01:54,327 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 06:01:54,327 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 06:01:54,329 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 06:01:54,331 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 06:01:54,332 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 06:01:54,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 06:01:54,337 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 06:01:54,338 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 06:01:54,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 06:01:54,347 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 06:01:54,348 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 06:01:54,349 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 06:01:54,349 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 06:01:54,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 06:01:54,351 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 06:01:54,352 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 06:01:54,352 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 06:01:54,353 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 06:01:54,354 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 06:01:54,354 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 06:01:54,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 06:01:54,355 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 06:01:54,356 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 06:01:54,357 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 06:01:54,357 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 06:01:54,358 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 06:01:54,358 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 06:01:54,358 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 06:01:54,359 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 06:01:54,359 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 06:01:54,360 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 [2019-09-17 06:01:54,374 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 06:01:54,374 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 06:01:54,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 06:01:54,376 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 06:01:54,376 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 06:01:54,376 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 06:01:54,376 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 06:01:54,377 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 06:01:54,377 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 06:01:54,377 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 06:01:54,377 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 06:01:54,377 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 06:01:54,377 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 06:01:54,378 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 06:01:54,378 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 06:01:54,378 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 06:01:54,378 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 06:01:54,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 06:01:54,379 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 06:01:54,379 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 06:01:54,379 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 06:01:54,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 06:01:54,379 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 06:01:54,380 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 06:01:54,380 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 06:01:54,380 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 06:01:54,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 06:01:54,380 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 06:01:54,380 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-17 06:01:54,415 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 06:01:54,427 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 06:01:54,431 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 06:01:54,432 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 06:01:54,432 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 06:01:54,433 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product18.cil.c [2019-09-17 06:01:54,504 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d9e48de2/d6d28a27b5484576b5999191d03655d1/FLAG0f23fd6d2 [2019-09-17 06:01:55,079 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 06:01:55,080 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product18.cil.c [2019-09-17 06:01:55,093 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d9e48de2/d6d28a27b5484576b5999191d03655d1/FLAG0f23fd6d2 [2019-09-17 06:01:55,441 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d9e48de2/d6d28a27b5484576b5999191d03655d1 [2019-09-17 06:01:55,454 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 06:01:55,456 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 06:01:55,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 06:01:55,459 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 06:01:55,463 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 06:01:55,464 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:01:55" (1/1) ... [2019-09-17 06:01:55,467 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34fd74a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:01:55, skipping insertion in model container [2019-09-17 06:01:55,467 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:01:55" (1/1) ... [2019-09-17 06:01:55,475 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 06:01:55,540 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 06:01:55,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 06:01:55,956 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 06:01:56,053 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 06:01:56,095 INFO L192 MainTranslator]: Completed translation [2019-09-17 06:01:56,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:01:56 WrapperNode [2019-09-17 06:01:56,096 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 06:01:56,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 06:01:56,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 06:01:56,097 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 06:01:56,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:01:56" (1/1) ... [2019-09-17 06:01:56,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:01:56" (1/1) ... [2019-09-17 06:01:56,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:01:56" (1/1) ... [2019-09-17 06:01:56,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:01:56" (1/1) ... [2019-09-17 06:01:56,164 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:01:56" (1/1) ... [2019-09-17 06:01:56,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:01:56" (1/1) ... [2019-09-17 06:01:56,180 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:01:56" (1/1) ... [2019-09-17 06:01:56,188 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 06:01:56,189 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 06:01:56,189 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 06:01:56,189 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 06:01:56,190 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:01:56" (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 [2019-09-17 06:01:56,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 06:01:56,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 06:01:56,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 06:01:56,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-17 06:01:56,251 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 06:01:56,251 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 06:01:56,251 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 06:01:56,251 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 06:01:56,251 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 06:01:56,252 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 06:01:56,252 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 06:01:56,252 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 06:01:56,252 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 06:01:56,252 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 06:01:56,252 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-17 06:01:56,253 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 06:01:56,253 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 06:01:56,253 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 06:01:56,253 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 06:01:56,253 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 06:01:56,253 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 06:01:56,254 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-17 06:01:56,254 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-17 06:01:56,254 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 06:01:56,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 06:01:56,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 06:01:56,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 06:01:56,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 06:01:56,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 06:01:56,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 06:01:56,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 06:01:56,255 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 06:01:56,255 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 06:01:56,256 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 06:01:56,256 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 06:01:56,256 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 06:01:56,256 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 06:01:56,256 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-17 06:01:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 06:01:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 06:01:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 06:01:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 06:01:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 06:01:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 06:01:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-17 06:01:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 06:01:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 06:01:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 06:01:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 06:01:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 06:01:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 06:01:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 06:01:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 06:01:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 06:01:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 06:01:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 06:01:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 06:01:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 06:01:56,260 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 06:01:56,260 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 06:01:56,260 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 06:01:56,260 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-17 06:01:56,260 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 06:01:56,260 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 06:01:56,261 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-17 06:01:56,261 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 06:01:56,261 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-17 06:01:56,261 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-17 06:01:56,261 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 06:01:56,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 06:01:56,261 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 06:01:56,262 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 06:01:56,262 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 06:01:56,262 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 06:01:56,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 06:01:56,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 06:01:56,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 06:01:56,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 06:01:56,263 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 06:01:56,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 06:01:56,263 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 06:01:56,263 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 06:01:56,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 06:01:56,264 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 06:01:56,264 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 06:01:56,264 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 06:01:56,264 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 06:01:56,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 06:01:56,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 06:01:56,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 06:01:57,812 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 06:01:57,813 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 06:01:57,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:01:57 BoogieIcfgContainer [2019-09-17 06:01:57,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 06:01:57,816 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 06:01:57,817 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 06:01:57,817 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 06:01:57,818 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:01:57" (1/1) ... [2019-09-17 06:01:57,819 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-17 06:01:57,865 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 06:01:57,866 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 06:01:57,878 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 06:01:57,889 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 06:01:57,891 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 06:02:07,374 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-17 06:02:09,156 WARN L191 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 06:02:09,300 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-17 06:02:09,481 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-17 06:02:09,607 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-17 06:02:09,630 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-17 06:02:09,688 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-17 06:02:09,694 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-17 06:02:10,331 WARN L191 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-17 06:02:10,656 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-17 06:02:10,933 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-17 06:02:11,174 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-17 06:02:11,482 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-17 06:02:11,762 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-17 06:02:11,918 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 526 [2019-09-17 06:02:12,042 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 526 [2019-09-17 06:02:12,218 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-17 06:02:12,348 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-17 06:02:12,960 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-17 06:02:13,179 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-17 06:02:14,103 WARN L191 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 536 [2019-09-17 06:02:14,426 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-17 06:02:14,629 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 536 [2019-09-17 06:02:14,813 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-17 06:02:15,131 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 544 DAG size of output: 542 [2019-09-17 06:02:15,355 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 544 DAG size of output: 542 [2019-09-17 06:02:15,846 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 535 [2019-09-17 06:02:16,077 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-17 06:02:16,263 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 535 [2019-09-17 06:02:16,439 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-17 06:02:16,697 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 541 [2019-09-17 06:02:16,937 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 541 [2019-09-17 06:02:17,051 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-17 06:02:17,082 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-17 06:02:17,100 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 1 for LOIs [2019-09-17 06:02:17,108 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 16 for LOIs [2019-09-17 06:02:17,110 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 06:02:17,111 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 06:02:17,113 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 571#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))) [2019-09-17 06:02:17,123 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 06:02:17,124 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 06:02:17,125 INFO L168 Benchmark]: Toolchain (without parser) took 21669.50 ms. Allocated memory was 137.4 MB in the beginning and 761.8 MB in the end (delta: 624.4 MB). Free memory was 84.3 MB in the beginning and 532.1 MB in the end (delta: -447.9 MB). Peak memory consumption was 176.6 MB. Max. memory is 7.1 GB. [2019-09-17 06:02:17,126 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.4 MB. Free memory is still 103.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-17 06:02:17,127 INFO L168 Benchmark]: CACSL2BoogieTranslator took 637.16 ms. Allocated memory was 137.4 MB in the beginning and 197.1 MB in the end (delta: 59.8 MB). Free memory was 83.9 MB in the beginning and 163.3 MB in the end (delta: -79.5 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2019-09-17 06:02:17,128 INFO L168 Benchmark]: Boogie Preprocessor took 91.79 ms. Allocated memory is still 197.1 MB. Free memory was 163.3 MB in the beginning and 159.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-17 06:02:17,129 INFO L168 Benchmark]: RCFGBuilder took 1626.99 ms. Allocated memory was 197.1 MB in the beginning and 217.1 MB in the end (delta: 19.9 MB). Free memory was 158.5 MB in the beginning and 147.1 MB in the end (delta: 11.4 MB). Peak memory consumption was 95.4 MB. Max. memory is 7.1 GB. [2019-09-17 06:02:17,130 INFO L168 Benchmark]: Sifa took 19307.37 ms. Allocated memory was 217.1 MB in the beginning and 761.8 MB in the end (delta: 544.7 MB). Free memory was 147.1 MB in the beginning and 532.1 MB in the end (delta: -385.0 MB). Peak memory consumption was 159.7 MB. Max. memory is 7.1 GB. [2019-09-17 06:02:17,134 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 137.4 MB. Free memory is still 103.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 637.16 ms. Allocated memory was 137.4 MB in the beginning and 197.1 MB in the end (delta: 59.8 MB). Free memory was 83.9 MB in the beginning and 163.3 MB in the end (delta: -79.5 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.79 ms. Allocated memory is still 197.1 MB. Free memory was 163.3 MB in the beginning and 159.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1626.99 ms. Allocated memory was 197.1 MB in the beginning and 217.1 MB in the end (delta: 19.9 MB). Free memory was 158.5 MB in the beginning and 147.1 MB in the end (delta: 11.4 MB). Peak memory consumption was 95.4 MB. Max. memory is 7.1 GB. * Sifa took 19307.37 ms. Allocated memory was 217.1 MB in the beginning and 761.8 MB in the end (delta: 544.7 MB). Free memory was 147.1 MB in the beginning and 532.1 MB in the end (delta: -385.0 MB). Peak memory consumption was 159.7 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]: 19248, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 253, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 171, TOOLS_POST_TIME[ms]: 11451, TOOLS_POST_CALL_APPLICATIONS: 68, TOOLS_POST_CALL_TIME[ms]: 191, TOOLS_POST_RETURN_APPLICATIONS: 59, TOOLS_POST_RETURN_TIME[ms]: 118, TOOLS_QUANTIFIERELIM_APPLICATIONS: 298, TOOLS_QUANTIFIERELIM_TIME[ms]: 11629, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11314, FLUID_QUERY_TIME[ms]: 15, FLUID_QUERIES: 260, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 94, DOMAIN_JOIN_TIME[ms]: 6902, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 27, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 26, DOMAIN_ISBOTTOM_APPLICATIONS: 61, DOMAIN_ISBOTTOM_TIME[ms]: 349, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 3524, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3523, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 59, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11793, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11792, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 44, DAG_COMPRESSION_PROCESSED_NODES: 498, DAG_COMPRESSION_RETAINED_NODES: 204 - UnprovableResult [Line: 811]: 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 571#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...