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_spec2_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:49:28,571 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:49:28,573 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:49:28,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:49:28,586 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:49:28,587 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:49:28,588 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:49:28,590 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:49:28,592 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:49:28,593 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:49:28,594 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:49:28,595 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:49:28,595 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:49:28,596 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:49:28,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:49:28,598 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:49:28,599 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:49:28,600 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:49:28,601 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:49:28,603 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:49:28,606 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:49:28,609 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:49:28,611 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:49:28,612 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:49:28,616 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:49:28,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:49:28,616 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:49:28,617 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:49:28,618 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:49:28,620 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:49:28,620 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:49:28,622 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:49:28,623 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:49:28,624 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:49:28,627 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:49:28,628 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:49:28,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:49:28,629 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:49:28,629 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:49:28,630 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:49:28,630 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:49:28,631 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 15:49:28,645 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:49:28,645 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:49:28,646 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:49:28,647 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:49:28,647 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:49:28,647 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:49:28,647 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:49:28,648 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:49:28,648 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:49:28,648 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:49:28,648 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:49:28,648 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:49:28,648 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:49:28,649 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:49:28,649 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:49:28,649 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:49:28,649 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:49:28,650 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:49:28,650 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:49:28,650 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:49:28,650 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:49:28,650 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:49:28,650 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:49:28,651 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:49:28,651 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:49:28,651 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:49:28,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:49:28,651 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:49:28,652 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 15:49:28,694 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:49:28,709 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:49:28,712 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:49:28,714 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:49:28,714 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:49:28,715 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product21.cil.c [2019-09-20 15:49:28,787 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b41a735d8/62160860f242468aa25a842567f82ec5/FLAG03869b1c9 [2019-09-20 15:49:29,343 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:49:29,344 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product21.cil.c [2019-09-20 15:49:29,364 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b41a735d8/62160860f242468aa25a842567f82ec5/FLAG03869b1c9 [2019-09-20 15:49:29,585 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b41a735d8/62160860f242468aa25a842567f82ec5 [2019-09-20 15:49:29,598 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:49:29,599 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:49:29,600 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:49:29,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:49:29,604 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:49:29,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:49:29" (1/1) ... [2019-09-20 15:49:29,608 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47c209d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:29, skipping insertion in model container [2019-09-20 15:49:29,608 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:49:29" (1/1) ... [2019-09-20 15:49:29,616 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:49:29,672 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:49:30,163 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:49:30,184 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:49:30,286 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:49:30,321 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:49:30,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:30 WrapperNode [2019-09-20 15:49:30,322 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:49:30,322 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:49:30,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:49:30,323 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:49:30,333 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:30" (1/1) ... [2019-09-20 15:49:30,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:30" (1/1) ... [2019-09-20 15:49:30,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:30" (1/1) ... [2019-09-20 15:49:30,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:30" (1/1) ... [2019-09-20 15:49:30,384 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:30" (1/1) ... [2019-09-20 15:49:30,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:30" (1/1) ... [2019-09-20 15:49:30,418 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:30" (1/1) ... [2019-09-20 15:49:30,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:49:30,427 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:49:30,427 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:49:30,427 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:49:30,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:30" (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 15:49:30,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:49:30,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:49:30,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:49:30,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:49:30,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:49:30,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:49:30,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:49:30,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:49:30,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:49:30,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-20 15:49:30,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-20 15:49:30,513 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:49:30,514 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:49:30,514 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:49:30,514 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:49:30,514 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:49:30,514 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:49:30,515 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:49:30,515 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:49:30,515 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:49:30,516 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:49:30,517 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:49:30,517 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:49:30,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:49:30,517 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:49:30,517 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:49:30,517 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:49:30,518 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:49:30,518 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:49:30,518 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:49:30,518 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 15:49:30,519 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:49:30,519 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:49:30,520 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:49:30,520 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:49:30,520 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:49:30,520 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:49:30,521 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:49:30,521 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:49:30,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:49:30,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:49:30,522 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:49:30,522 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:49:30,522 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:49:30,522 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:49:30,522 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:49:30,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:49:30,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:49:30,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:49:30,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:49:30,524 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:49:30,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:49:30,524 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:49:30,524 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:49:30,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:49:30,524 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:49:30,525 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:49:30,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:49:30,525 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:49:30,525 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:49:30,526 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:49:30,526 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:49:30,526 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-20 15:49:30,526 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-20 15:49:30,526 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:49:30,527 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:49:30,527 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:49:30,527 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:49:30,527 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:49:30,527 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:49:30,528 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:49:30,528 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:49:30,528 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:49:30,529 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:49:30,529 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:49:30,530 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:49:30,531 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:49:30,531 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:49:30,531 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:49:30,531 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:49:30,532 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:49:30,533 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:49:30,533 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:49:30,533 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:49:30,533 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:49:30,534 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:49:30,534 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:49:30,535 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 15:49:30,535 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:49:30,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:49:30,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:49:30,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:49:32,283 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:49:32,284 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:49:32,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:49:32 BoogieIcfgContainer [2019-09-20 15:49:32,285 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:49:32,286 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:49:32,286 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:49:32,286 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:49:32,287 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:49:32" (1/1) ... [2019-09-20 15:49:32,288 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 15:49:32,316 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:49:32,316 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:49:32,330 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:49:32,344 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:49:32,346 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:49:43,648 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-20 15:49:45,275 WARN L191 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:49:45,468 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:49:45,598 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:49:45,724 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:49:45,742 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 482 for LOIs [2019-09-20 15:49:45,799 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 482 for LOIs [2019-09-20 15:49:45,817 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 482 for LOIs [2019-09-20 15:49:46,320 WARN L191 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 502 [2019-09-20 15:49:46,683 WARN L191 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 502 [2019-09-20 15:49:46,975 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 502 [2019-09-20 15:49:47,234 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 502 [2019-09-20 15:49:47,687 WARN L191 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:49:48,016 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:49:48,559 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 523 DAG size of output: 523 [2019-09-20 15:49:48,832 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-20 15:49:49,155 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 529 [2019-09-20 15:49:49,381 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 529 [2019-09-20 15:49:49,861 WARN L191 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-20 15:49:50,160 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-20 15:49:50,474 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-20 15:49:50,775 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-20 15:49:51,417 WARN L191 SmtUtils]: Spent 603.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-09-20 15:49:51,993 WARN L191 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-09-20 15:49:52,566 WARN L191 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 524 [2019-09-20 15:49:52,865 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 524 [2019-09-20 15:49:53,223 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 537 [2019-09-20 15:49:53,861 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-20 15:49:53,891 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-20 15:49:53,901 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 24 for LOIs [2019-09-20 15:49:53,905 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 35 for LOIs [2019-09-20 15:49:53,908 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:49:53,909 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:49:53,910 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 435#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (or (and (= 0 ~waterLevel~0) (not (= 0 ~systemActive~0))) (and (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (= 0 ~systemActive~0))) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))) [2019-09-20 15:49:53,922 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:49:53,922 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:49:53,924 INFO L168 Benchmark]: Toolchain (without parser) took 24325.00 ms. Allocated memory was 138.9 MB in the beginning and 744.0 MB in the end (delta: 605.0 MB). Free memory was 85.5 MB in the beginning and 584.8 MB in the end (delta: -499.4 MB). Peak memory consumption was 105.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:49:53,925 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory is still 104.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 15:49:53,926 INFO L168 Benchmark]: CACSL2BoogieTranslator took 721.87 ms. Allocated memory was 138.9 MB in the beginning and 199.8 MB in the end (delta: 60.8 MB). Free memory was 85.5 MB in the beginning and 165.6 MB in the end (delta: -80.2 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. [2019-09-20 15:49:53,927 INFO L168 Benchmark]: Boogie Preprocessor took 103.66 ms. Allocated memory is still 199.8 MB. Free memory was 165.6 MB in the beginning and 161.1 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:49:53,928 INFO L168 Benchmark]: RCFGBuilder took 1858.91 ms. Allocated memory was 199.8 MB in the beginning and 222.3 MB in the end (delta: 22.5 MB). Free memory was 161.1 MB in the beginning and 142.9 MB in the end (delta: 18.2 MB). Peak memory consumption was 92.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:49:53,929 INFO L168 Benchmark]: Sifa took 21636.73 ms. Allocated memory was 222.3 MB in the beginning and 744.0 MB in the end (delta: 521.7 MB). Free memory was 142.9 MB in the beginning and 584.8 MB in the end (delta: -441.9 MB). Peak memory consumption was 79.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:49:53,932 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 138.9 MB. Free memory is still 104.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 721.87 ms. Allocated memory was 138.9 MB in the beginning and 199.8 MB in the end (delta: 60.8 MB). Free memory was 85.5 MB in the beginning and 165.6 MB in the end (delta: -80.2 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.66 ms. Allocated memory is still 199.8 MB. Free memory was 165.6 MB in the beginning and 161.1 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1858.91 ms. Allocated memory was 199.8 MB in the beginning and 222.3 MB in the end (delta: 22.5 MB). Free memory was 161.1 MB in the beginning and 142.9 MB in the end (delta: 18.2 MB). Peak memory consumption was 92.4 MB. Max. memory is 7.1 GB. * Sifa took 21636.73 ms. Allocated memory was 222.3 MB in the beginning and 744.0 MB in the end (delta: 521.7 MB). Free memory was 142.9 MB in the beginning and 584.8 MB in the end (delta: -441.9 MB). Peak memory consumption was 79.7 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]: 21595, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 220, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 140, TOOLS_POST_TIME[ms]: 13142, TOOLS_POST_CALL_APPLICATIONS: 67, TOOLS_POST_CALL_TIME[ms]: 253, TOOLS_POST_RETURN_APPLICATIONS: 58, TOOLS_POST_RETURN_TIME[ms]: 134, TOOLS_QUANTIFIERELIM_APPLICATIONS: 265, TOOLS_QUANTIFIERELIM_TIME[ms]: 13412, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 13016, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 226, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 71, DOMAIN_JOIN_TIME[ms]: 6837, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 886, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 48, DOMAIN_ISBOTTOM_APPLICATIONS: 37, DOMAIN_ISBOTTOM_TIME[ms]: 110, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 7434, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 7434, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 58, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 13488, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13487, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 44, DAG_COMPRESSION_PROCESSED_NODES: 448, DAG_COMPRESSION_RETAINED_NODES: 205 - UnprovableResult [Line: 650]: 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 435#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (or (and (= 0 ~waterLevel~0) (not (= 0 ~systemActive~0))) (and (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (= 0 ~systemActive~0))) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...