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_spec3_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:51:16,390 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:51:16,393 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:51:16,413 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:51:16,413 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:51:16,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:51:16,416 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:51:16,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:51:16,419 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:51:16,420 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:51:16,421 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:51:16,422 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:51:16,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:51:16,424 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:51:16,425 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:51:16,426 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:51:16,427 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:51:16,427 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:51:16,429 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:51:16,431 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:51:16,432 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:51:16,433 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:51:16,434 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:51:16,435 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:51:16,442 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:51:16,442 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:51:16,442 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:51:16,443 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:51:16,444 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:51:16,445 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:51:16,445 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:51:16,446 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:51:16,446 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:51:16,447 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:51:16,448 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:51:16,448 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:51:16,449 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:51:16,449 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:51:16,449 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:51:16,450 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:51:16,451 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:51:16,452 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 15:51:16,470 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:51:16,472 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:51:16,474 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:51:16,474 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:51:16,474 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:51:16,474 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:51:16,475 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:51:16,475 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:51:16,475 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:51:16,475 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:51:16,475 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:51:16,475 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:51:16,476 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:51:16,476 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:51:16,476 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:51:16,477 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:51:16,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:51:16,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:51:16,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:51:16,478 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:51:16,478 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:51:16,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:51:16,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:51:16,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:51:16,479 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:51:16,480 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:51:16,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:51:16,480 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:51:16,480 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 [2019-09-20 15:51:16,516 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:51:16,528 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:51:16,531 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:51:16,533 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:51:16,533 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:51:16,534 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product46.cil.c [2019-09-20 15:51:16,594 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06a137d0e/cd7b8dc90e54435ba2d6206367ca8917/FLAG86346fc8d [2019-09-20 15:51:17,077 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:51:17,078 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product46.cil.c [2019-09-20 15:51:17,094 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06a137d0e/cd7b8dc90e54435ba2d6206367ca8917/FLAG86346fc8d [2019-09-20 15:51:17,417 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06a137d0e/cd7b8dc90e54435ba2d6206367ca8917 [2019-09-20 15:51:17,430 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:51:17,432 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:51:17,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:51:17,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:51:17,437 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:51:17,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:51:17" (1/1) ... [2019-09-20 15:51:17,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a6da0b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:17, skipping insertion in model container [2019-09-20 15:51:17,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:51:17" (1/1) ... [2019-09-20 15:51:17,448 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:51:17,518 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:51:17,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:51:17,985 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:51:18,078 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:51:18,116 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:51:18,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:18 WrapperNode [2019-09-20 15:51:18,116 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:51:18,117 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:51:18,117 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:51:18,118 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:51:18,131 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:18" (1/1) ... [2019-09-20 15:51:18,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:18" (1/1) ... [2019-09-20 15:51:18,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:18" (1/1) ... [2019-09-20 15:51:18,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:18" (1/1) ... [2019-09-20 15:51:18,179 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:18" (1/1) ... [2019-09-20 15:51:18,190 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:18" (1/1) ... [2019-09-20 15:51:18,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:18" (1/1) ... [2019-09-20 15:51:18,203 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:51:18,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:51:18,211 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:51:18,211 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:51:18,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:18" (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 15:51:18,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:51:18,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:51:18,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:51:18,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-09-20 15:51:18,292 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:51:18,293 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:51:18,294 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:51:18,294 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:51:18,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:51:18,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:51:18,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:51:18,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:51:18,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:51:18,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:51:18,296 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:51:18,296 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:51:18,299 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:51:18,299 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:51:18,299 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:51:18,299 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:51:18,299 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:51:18,300 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:51:18,300 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:51:18,300 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:51:18,300 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:51:18,300 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 15:51:18,300 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:51:18,301 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:51:18,301 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 15:51:18,301 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:51:18,301 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-09-20 15:51:18,301 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:51:18,301 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:51:18,301 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:51:18,302 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:51:18,302 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:51:18,302 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 15:51:18,302 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 15:51:18,303 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:51:18,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:51:18,303 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:51:18,303 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:51:18,303 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:51:18,304 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:51:18,304 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:51:18,304 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:51:18,304 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:51:18,306 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-09-20 15:51:18,306 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:51:18,306 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:51:18,306 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:51:18,307 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:51:18,307 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:51:18,307 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:51:18,307 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:51:18,307 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:51:18,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:51:18,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:51:18,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:51:18,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:51:18,308 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:51:18,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:51:18,308 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:51:18,308 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:51:18,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:51:18,309 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:51:18,309 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:51:18,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:51:18,309 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:51:18,309 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:51:18,309 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:51:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:51:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:51:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:51:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:51:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:51:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:51:18,311 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:51:18,311 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:51:18,311 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:51:18,311 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:51:18,311 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 15:51:18,311 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:51:18,312 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:51:18,312 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 15:51:18,312 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:51:18,312 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:51:18,312 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 15:51:18,312 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 15:51:18,312 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:51:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-09-20 15:51:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:51:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:51:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:51:19,879 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:51:19,879 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:51:19,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:51:19 BoogieIcfgContainer [2019-09-20 15:51:19,881 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:51:19,882 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:51:19,882 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:51:19,882 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:51:19,884 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:51:19" (1/1) ... [2019-09-20 15:51:19,884 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 [2019-09-20 15:51:19,911 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:51:19,915 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:51:19,930 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:51:19,943 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:51:19,945 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:51:30,124 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-20 15:51:31,999 WARN L191 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:51:32,150 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:51:32,275 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:51:32,397 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:51:32,424 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-20 15:51:32,489 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-20 15:51:32,495 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-20 15:51:32,658 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-20 15:51:32,792 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-20 15:51:33,212 WARN L191 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:51:33,507 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:51:33,763 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:51:34,012 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:51:34,204 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:51:34,403 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:51:34,789 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:51:35,126 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:51:35,820 WARN L191 SmtUtils]: Spent 635.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-20 15:51:36,417 WARN L191 SmtUtils]: Spent 595.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-20 15:51:37,297 WARN L191 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 522 [2019-09-20 15:51:37,636 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-09-20 15:51:37,941 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:38,117 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:38,629 WARN L191 SmtUtils]: Spent 510.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2019-09-20 15:51:39,102 WARN L191 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2019-09-20 15:51:39,557 WARN L191 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2019-09-20 15:51:39,985 WARN L191 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2019-09-20 15:51:40,728 WARN L191 SmtUtils]: Spent 723.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-09-20 15:51:41,519 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:51:41,797 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:51:42,656 WARN L191 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-20 15:51:43,191 WARN L191 SmtUtils]: Spent 533.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-20 15:51:44,099 WARN L191 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 522 [2019-09-20 15:51:44,799 WARN L191 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-09-20 15:51:45,036 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:45,201 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:45,628 WARN L191 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2019-09-20 15:51:46,039 WARN L191 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2019-09-20 15:51:46,471 WARN L191 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2019-09-20 15:51:46,883 WARN L191 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2019-09-20 15:51:47,554 WARN L191 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-09-20 15:51:47,915 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:51:48,191 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:51:48,774 WARN L191 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-20 15:51:49,299 WARN L191 SmtUtils]: Spent 524.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-20 15:51:49,708 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 522 [2019-09-20 15:51:50,003 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-09-20 15:51:50,233 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:50,396 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:50,815 WARN L191 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2019-09-20 15:51:51,227 WARN L191 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2019-09-20 15:51:51,634 WARN L191 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2019-09-20 15:51:52,039 WARN L191 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2019-09-20 15:51:52,699 WARN L191 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-09-20 15:51:52,744 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-20 15:51:52,772 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-20 15:51:52,784 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification3_spec__1 with input of size 1 for LOIs [2019-09-20 15:51:52,788 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 14 for LOIs [2019-09-20 15:51:52,790 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:51:52,790 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:51:52,792 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 600#(and (= 0 ~methaneLevelCritical~0) (= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648))) [2019-09-20 15:51:52,802 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:51:52,802 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:51:52,804 INFO L168 Benchmark]: Toolchain (without parser) took 35372.15 ms. Allocated memory was 132.1 MB in the beginning and 1.0 GB in the end (delta: 871.9 MB). Free memory was 86.9 MB in the beginning and 140.9 MB in the end (delta: -53.9 MB). Peak memory consumption was 818.0 MB. Max. memory is 7.1 GB. [2019-09-20 15:51:52,805 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 106.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-20 15:51:52,806 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.99 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 86.7 MB in the beginning and 162.5 MB in the end (delta: -75.8 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:51:52,806 INFO L168 Benchmark]: Boogie Preprocessor took 88.52 ms. Allocated memory is still 198.7 MB. Free memory was 162.5 MB in the beginning and 158.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:51:52,807 INFO L168 Benchmark]: RCFGBuilder took 1671.21 ms. Allocated memory was 198.7 MB in the beginning and 221.2 MB in the end (delta: 22.5 MB). Free memory was 158.7 MB in the beginning and 139.5 MB in the end (delta: 19.2 MB). Peak memory consumption was 91.1 MB. Max. memory is 7.1 GB. [2019-09-20 15:51:52,808 INFO L168 Benchmark]: Sifa took 32920.24 ms. Allocated memory was 221.2 MB in the beginning and 1.0 GB in the end (delta: 782.8 MB). Free memory was 139.5 MB in the beginning and 140.9 MB in the end (delta: -1.4 MB). Peak memory consumption was 781.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:51:52,819 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 106.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 683.99 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 86.7 MB in the beginning and 162.5 MB in the end (delta: -75.8 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.52 ms. Allocated memory is still 198.7 MB. Free memory was 162.5 MB in the beginning and 158.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1671.21 ms. Allocated memory was 198.7 MB in the beginning and 221.2 MB in the end (delta: 22.5 MB). Free memory was 158.7 MB in the beginning and 139.5 MB in the end (delta: 19.2 MB). Peak memory consumption was 91.1 MB. Max. memory is 7.1 GB. * Sifa took 32920.24 ms. Allocated memory was 221.2 MB in the beginning and 1.0 GB in the end (delta: 782.8 MB). Free memory was 139.5 MB in the beginning and 140.9 MB in the end (delta: -1.4 MB). Peak memory consumption was 781.4 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]: 32880, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 300, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 198, TOOLS_POST_TIME[ms]: 12296, TOOLS_POST_CALL_APPLICATIONS: 86, TOOLS_POST_CALL_TIME[ms]: 343, TOOLS_POST_RETURN_APPLICATIONS: 77, TOOLS_POST_RETURN_TIME[ms]: 222, TOOLS_QUANTIFIERELIM_APPLICATIONS: 361, TOOLS_QUANTIFIERELIM_TIME[ms]: 12701, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12112, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 309, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 97, DOMAIN_JOIN_TIME[ms]: 17478, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 2034, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME[ms]: 53, DOMAIN_ISBOTTOM_APPLICATIONS: 52, DOMAIN_ISBOTTOM_TIME[ms]: 259, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 16036, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 16036, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 77, CALL_SUMMARIZER_CACHE_MISSES: 27, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12595, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12594, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 48, 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 600#(and (= 0 ~methaneLevelCritical~0) (= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...