/usr/bin/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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 10:45:29,534 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 10:45:29,537 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 10:45:29,549 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 10:45:29,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 10:45:29,550 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 10:45:29,552 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 10:45:29,554 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 10:45:29,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 10:45:29,556 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 10:45:29,557 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 10:45:29,558 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 10:45:29,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 10:45:29,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 10:45:29,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 10:45:29,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 10:45:29,563 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 10:45:29,564 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 10:45:29,566 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 10:45:29,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 10:45:29,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 10:45:29,571 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 10:45:29,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 10:45:29,573 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 10:45:29,576 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 10:45:29,576 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 10:45:29,576 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 10:45:29,577 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 10:45:29,578 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 10:45:29,579 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 10:45:29,580 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 10:45:29,580 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 10:45:29,581 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 10:45:29,582 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 10:45:29,583 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 10:45:29,583 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 10:45:29,584 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 10:45:29,584 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 10:45:29,585 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 10:45:29,586 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 10:45:29,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 10:45:29,587 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 [2019-11-07 10:45:29,602 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 10:45:29,603 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 10:45:29,604 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 10:45:29,604 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 10:45:29,604 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 10:45:29,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 10:45:29,605 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 10:45:29,605 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 10:45:29,605 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 10:45:29,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 10:45:29,605 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 10:45:29,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 10:45:29,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 10:45:29,606 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 10:45:29,606 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 10:45:29,606 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 10:45:29,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 10:45:29,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 10:45:29,607 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 10:45:29,607 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 10:45:29,607 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 10:45:29,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:45:29,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 10:45:29,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 10:45:29,608 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 10:45:29,608 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 10:45:29,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 10:45:29,610 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 10:45:29,610 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 10:45:29,892 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 10:45:29,905 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 10:45:29,909 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 10:45:29,910 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 10:45:29,911 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 10:45:29,911 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product16.cil.c [2019-11-07 10:45:29,989 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93babb53f/133f76ed476d448eb9e049da8f877024/FLAG6eb324daa [2019-11-07 10:45:30,488 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 10:45:30,492 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product16.cil.c [2019-11-07 10:45:30,514 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93babb53f/133f76ed476d448eb9e049da8f877024/FLAG6eb324daa [2019-11-07 10:45:30,740 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93babb53f/133f76ed476d448eb9e049da8f877024 [2019-11-07 10:45:30,748 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 10:45:30,749 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 10:45:30,751 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 10:45:30,751 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 10:45:30,754 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 10:45:30,755 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:45:30" (1/1) ... [2019-11-07 10:45:30,758 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@724ee75e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:45:30, skipping insertion in model container [2019-11-07 10:45:30,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:45:30" (1/1) ... [2019-11-07 10:45:30,766 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 10:45:30,833 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 10:45:31,300 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:45:31,320 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 10:45:31,415 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:45:31,464 INFO L192 MainTranslator]: Completed translation [2019-11-07 10:45:31,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:45:31 WrapperNode [2019-11-07 10:45:31,464 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 10:45:31,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 10:45:31,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 10:45:31,465 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 10:45:31,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:45:31" (1/1) ... [2019-11-07 10:45:31,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:45:31" (1/1) ... [2019-11-07 10:45:31,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:45:31" (1/1) ... [2019-11-07 10:45:31,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:45:31" (1/1) ... [2019-11-07 10:45:31,526 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:45:31" (1/1) ... [2019-11-07 10:45:31,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:45:31" (1/1) ... [2019-11-07 10:45:31,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:45:31" (1/1) ... [2019-11-07 10:45:31,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 10:45:31,567 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 10:45:31,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 10:45:31,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 10:45:31,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:45:31" (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 [2019-11-07 10:45:31,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 10:45:31,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 10:45:31,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 10:45:31,645 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 10:45:31,646 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 10:45:31,646 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 10:45:31,647 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 10:45:31,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 10:45:31,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 10:45:31,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 10:45:31,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 10:45:31,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 10:45:31,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 10:45:31,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 10:45:31,649 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 10:45:31,649 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 10:45:31,651 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 10:45:31,652 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 10:45:31,652 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 10:45:31,652 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 10:45:31,652 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 10:45:31,652 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 10:45:31,652 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 10:45:31,653 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 10:45:31,653 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 10:45:31,653 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 10:45:31,653 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-11-07 10:45:31,653 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 10:45:31,654 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-11-07 10:45:31,654 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 10:45:31,654 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 10:45:31,654 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 10:45:31,654 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 10:45:31,654 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 10:45:31,654 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-11-07 10:45:31,655 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-11-07 10:45:31,655 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 10:45:31,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-11-07 10:45:31,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-11-07 10:45:31,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 10:45:31,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 10:45:31,656 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 10:45:31,656 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 10:45:31,656 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 10:45:31,657 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 10:45:31,657 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 10:45:31,657 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 10:45:31,658 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 10:45:31,658 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 10:45:31,658 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 10:45:31,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 10:45:31,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 10:45:31,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 10:45:31,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 10:45:31,659 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 10:45:31,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 10:45:31,659 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 10:45:31,659 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 10:45:31,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 10:45:31,659 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 10:45:31,659 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 10:45:31,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 10:45:31,660 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 10:45:31,660 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 10:45:31,660 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 10:45:31,661 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 10:45:31,661 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 10:45:31,661 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 10:45:31,661 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 10:45:31,661 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 10:45:31,661 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 10:45:31,661 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 10:45:31,662 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 10:45:31,662 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 10:45:31,663 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 10:45:31,663 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-11-07 10:45:31,663 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 10:45:31,664 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 10:45:31,664 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 10:45:31,664 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 10:45:31,664 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 10:45:31,664 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 10:45:31,664 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-11-07 10:45:31,665 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-11-07 10:45:31,665 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-11-07 10:45:31,665 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 10:45:31,666 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-11-07 10:45:31,667 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 10:45:31,667 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-11-07 10:45:31,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 10:45:31,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 10:45:31,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 10:45:33,304 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 10:45:33,305 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 10:45:33,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:45:33 BoogieIcfgContainer [2019-11-07 10:45:33,306 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 10:45:33,307 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 10:45:33,307 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 10:45:33,307 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 10:45:33,309 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:45:33" (1/1) ... [2019-11-07 10:45:33,310 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-07 10:45:33,347 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 10:45:33,351 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 10:45:33,365 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 10:45:33,376 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 10:45:33,378 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 10:45:44,344 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-11-07 10:45:46,188 WARN L191 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-11-07 10:45:46,333 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 10:45:46,353 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-11-07 10:45:46,399 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-11-07 10:45:46,412 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-11-07 10:45:46,869 WARN L191 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-11-07 10:45:47,154 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-11-07 10:45:47,416 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-11-07 10:45:47,548 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-11-07 10:45:47,855 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 192 [2019-11-07 10:45:48,431 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2019-11-07 10:45:48,808 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-11-07 10:45:48,999 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-11-07 10:45:49,199 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 178 [2019-11-07 10:45:49,344 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-11-07 10:45:49,730 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2019-11-07 10:45:50,175 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 190 [2019-11-07 10:45:50,769 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 192 [2019-11-07 10:45:51,492 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-11-07 10:45:52,394 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-11-07 10:45:53,193 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-11-07 10:45:53,462 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-11-07 10:45:53,763 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-11-07 10:45:54,169 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2019-11-07 10:45:54,479 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-11-07 10:45:54,773 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 602 [2019-11-07 10:45:55,037 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 616 [2019-11-07 10:45:55,224 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 602 [2019-11-07 10:45:55,550 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 616 [2019-11-07 10:45:55,684 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 187 [2019-11-07 10:45:56,885 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2019-11-07 10:45:57,275 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2019-11-07 10:45:57,986 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-11-07 10:45:58,166 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-11-07 10:45:58,264 INFO L197 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-11-07 10:45:58,266 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 141 for LOIs [2019-11-07 10:45:58,539 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 135 for LOIs [2019-11-07 10:45:58,547 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 148 for LOIs [2019-11-07 10:45:58,547 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 10:45:58,572 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 10:45:58,572 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 10:45:58,574 INFO L168 Benchmark]: Toolchain (without parser) took 27824.26 ms. Allocated memory was 137.4 MB in the beginning and 705.7 MB in the end (delta: 568.3 MB). Free memory was 101.1 MB in the beginning and 617.8 MB in the end (delta: -516.8 MB). Peak memory consumption was 51.6 MB. Max. memory is 7.1 GB. [2019-11-07 10:45:58,575 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-11-07 10:45:58,584 INFO L168 Benchmark]: CACSL2BoogieTranslator took 714.05 ms. Allocated memory was 137.4 MB in the beginning and 203.4 MB in the end (delta: 66.1 MB). Free memory was 100.9 MB in the beginning and 172.9 MB in the end (delta: -72.0 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. [2019-11-07 10:45:58,586 INFO L168 Benchmark]: Boogie Preprocessor took 101.24 ms. Allocated memory is still 203.4 MB. Free memory was 172.9 MB in the beginning and 168.6 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-11-07 10:45:58,587 INFO L168 Benchmark]: RCFGBuilder took 1740.06 ms. Allocated memory was 203.4 MB in the beginning and 233.8 MB in the end (delta: 30.4 MB). Free memory was 168.6 MB in the beginning and 154.9 MB in the end (delta: 13.7 MB). Peak memory consumption was 87.3 MB. Max. memory is 7.1 GB. [2019-11-07 10:45:58,588 INFO L168 Benchmark]: Sifa took 25265.13 ms. Allocated memory was 233.8 MB in the beginning and 705.7 MB in the end (delta: 471.9 MB). Free memory was 154.9 MB in the beginning and 617.8 MB in the end (delta: -462.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-11-07 10:45:58,598 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 714.05 ms. Allocated memory was 137.4 MB in the beginning and 203.4 MB in the end (delta: 66.1 MB). Free memory was 100.9 MB in the beginning and 172.9 MB in the end (delta: -72.0 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.24 ms. Allocated memory is still 203.4 MB. Free memory was 172.9 MB in the beginning and 168.6 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1740.06 ms. Allocated memory was 203.4 MB in the beginning and 233.8 MB in the end (delta: 30.4 MB). Free memory was 168.6 MB in the beginning and 154.9 MB in the end (delta: 13.7 MB). Peak memory consumption was 87.3 MB. Max. memory is 7.1 GB. * Sifa took 25265.13 ms. Allocated memory was 233.8 MB in the beginning and 705.7 MB in the end (delta: 471.9 MB). Free memory was 154.9 MB in the beginning and 617.8 MB in the end (delta: -462.9 MB). Peak memory consumption was 8.9 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]: 25201, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 60, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 202, TOOLS_POST_TIME[ms]: 13046, TOOLS_POST_CALL_APPLICATIONS: 84, TOOLS_POST_CALL_TIME[ms]: 306, TOOLS_POST_RETURN_APPLICATIONS: 77, TOOLS_POST_RETURN_TIME[ms]: 128, TOOLS_QUANTIFIERELIM_APPLICATIONS: 362, TOOLS_QUANTIFIERELIM_TIME[ms]: 13288, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12865, FLUID_QUERY_TIME[ms]: 20, FLUID_QUERIES: 340, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 58, DOMAIN_JOIN_TIME[ms]: 9911, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 1372, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME[ms]: 46, DOMAIN_ISBOTTOM_APPLICATIONS: 60, DOMAIN_ISBOTTOM_TIME[ms]: 198, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 8629, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 8626, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 77, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 13019, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13018, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 37, DAG_COMPRESSION_PROCESSED_NODES: 667, DAG_COMPRESSION_RETAINED_NODES: 204 - UnprovableResult [Line: 448]: 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 802#(and (not (= 0 ~methAndRunningLastTime~0)) (<= |#t~string33.offset| 0) (= |#t~string61.offset| 0) (= |#t~string55.offset| 0) (<= |#t~string22.offset| 0) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (= |#t~string39.offset| 0) (= |#t~string32.offset| 0) (= |#NULL.base| 0) (<= |#t~string39.offset| 0) (<= 0 |#t~string51.offset|) (<= |#t~string24.offset| 0) (<= |#t~string57.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (<= 0 |#t~string45.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string39.offset|) (= |#t~string51.offset| 0) (<= |#t~string53.offset| 0) (<= |#t~string45.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string65.offset| 0) (<= 0 |#t~string43.offset|) (= |#t~string20.offset| 0) (= |#t~string29.offset| 0) (<= 0 |#t~string53.offset|) (<= |#t~string41.offset| 0) (= |#t~string57.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#NULL.offset|) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (not (= 0 ~methaneLevelCritical~0)) (= ~cleanupTimeShifts~0 4) (<= ~methAndRunningLastTime~0 1) (<= ~methaneLevelCritical~0 2147483647) (= |#t~string33.offset| 0) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= 4 ~cleanupTimeShifts~0) (= |#t~string31.offset| 0) (= |#NULL.offset| 0) (<= 0 |#t~string57.offset|) (= |#t~string23.offset| 0) (= |#t~string53.offset| 0) (= |#t~string21.offset| 0) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= |#t~string31.offset| 0) (not (= ~pumpRunning~0 0)) (<= 0 |#t~string22.offset|) (= |#t~string28.offset| 0) (<= 0 |#t~string32.offset|) (<= |#t~string55.offset| 0) (= |#t~string30.offset| 0) (= |#t~string43.offset| 0) (<= |#t~string51.offset| 0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (= |#t~string65.offset| 0) (<= |#NULL.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (<= 0 |#t~string41.offset|) (= |#t~string24.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= 0 |#t~string65.offset|) (<= |#t~string21.offset| 0) (<= |#t~string61.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string23.offset|) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (<= |#t~string37.offset| 0) (= |#t~string19.offset| 0) (= |#t~string59.offset| 0) (<= 0 |#t~string29.offset|) (<= |#t~string43.offset| 0) (<= 0 ~systemActive~0) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string37.offset|) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (= |#t~string22.offset| 0) (= |#t~string41.offset| 0) (= |#t~string37.offset| 0) (<= |#t~string29.offset| 0) (= |#t~string45.offset| 0) (<= 0 |#t~string55.offset|) (<= |#t~string19.offset| 0) (<= 0 ~methAndRunningLastTime~0) (<= 0 |#t~string24.offset|) (<= |#t~string20.offset| 0) (<= 0 |#t~string28.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...