java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 08:30:16,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 08:30:16,712 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 08:30:16,729 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 08:30:16,729 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 08:30:16,731 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 08:30:16,733 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 08:30:16,742 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 08:30:16,745 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 08:30:16,746 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 08:30:16,748 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 08:30:16,750 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 08:30:16,750 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 08:30:16,752 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 08:30:16,755 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 08:30:16,757 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 08:30:16,758 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 08:30:16,761 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 08:30:16,763 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 08:30:16,768 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 08:30:16,771 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 08:30:16,773 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 08:30:16,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 08:30:16,778 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 08:30:16,780 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 08:30:16,780 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 08:30:16,780 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 08:30:16,782 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 08:30:16,784 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 08:30:16,786 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 08:30:16,786 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 08:30:16,787 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 08:30:16,788 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 08:30:16,788 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 08:30:16,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 08:30:16,791 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 08:30:16,792 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 08:30:16,792 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 08:30:16,792 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 08:30:16,793 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 08:30:16,794 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 08:30:16,795 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 [2019-09-21 08:30:16,830 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 08:30:16,830 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 08:30:16,831 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 08:30:16,832 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 08:30:16,832 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 08:30:16,832 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 08:30:16,832 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 08:30:16,832 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 08:30:16,833 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 08:30:16,833 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 08:30:16,833 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 08:30:16,833 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 08:30:16,833 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 08:30:16,833 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 08:30:16,834 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 08:30:16,834 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 08:30:16,834 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 08:30:16,834 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 08:30:16,834 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 08:30:16,835 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 08:30:16,835 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 08:30:16,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:30:16,835 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 08:30:16,835 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 08:30:16,836 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 08:30:16,836 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 08:30:16,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 08:30:16,836 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 08:30:16,836 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 [2019-09-21 08:30:16,867 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 08:30:16,880 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 08:30:16,884 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 08:30:16,885 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 08:30:16,886 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 08:30:16,886 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product02.cil.c [2019-09-21 08:30:16,948 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bb020671/53593fe3b5ba468ebd0535f8afc807c9/FLAGe53ef8257 [2019-09-21 08:30:17,527 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 08:30:17,528 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product02.cil.c [2019-09-21 08:30:17,549 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bb020671/53593fe3b5ba468ebd0535f8afc807c9/FLAGe53ef8257 [2019-09-21 08:30:17,790 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bb020671/53593fe3b5ba468ebd0535f8afc807c9 [2019-09-21 08:30:17,802 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 08:30:17,804 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 08:30:17,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 08:30:17,806 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 08:30:17,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 08:30:17,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:30:17" (1/1) ... [2019-09-21 08:30:17,814 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 21.09 08:30:17, skipping insertion in model container [2019-09-21 08:30:17,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:30:17" (1/1) ... [2019-09-21 08:30:17,820 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 08:30:17,866 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 08:30:18,350 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:30:18,371 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 08:30:18,461 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:30:18,493 INFO L192 MainTranslator]: Completed translation [2019-09-21 08:30:18,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:30:18 WrapperNode [2019-09-21 08:30:18,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 08:30:18,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 08:30:18,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 08:30:18,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 08:30:18,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:30:18" (1/1) ... [2019-09-21 08:30:18,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:30:18" (1/1) ... [2019-09-21 08:30:18,549 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:30:18" (1/1) ... [2019-09-21 08:30:18,549 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:30:18" (1/1) ... [2019-09-21 08:30:18,597 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:30:18" (1/1) ... [2019-09-21 08:30:18,611 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:30:18" (1/1) ... [2019-09-21 08:30:18,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:30:18" (1/1) ... [2019-09-21 08:30:18,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 08:30:18,636 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 08:30:18,636 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 08:30:18,637 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 08:30:18,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:30:18" (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 [2019-09-21 08:30:18,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 08:30:18,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 08:30:18,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-21 08:30:18,726 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-21 08:30:18,727 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-21 08:30:18,728 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-21 08:30:18,728 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-21 08:30:18,729 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 08:30:18,730 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-21 08:30:18,730 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-21 08:30:18,730 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-21 08:30:18,731 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-21 08:30:18,732 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-21 08:30:18,732 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-21 08:30:18,732 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-21 08:30:18,732 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-21 08:30:18,735 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-21 08:30:18,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-21 08:30:18,735 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-21 08:30:18,736 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-21 08:30:18,736 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-21 08:30:18,736 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-21 08:30:18,736 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-21 08:30:18,737 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-21 08:30:18,737 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-21 08:30:18,737 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-21 08:30:18,737 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-21 08:30:18,738 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-21 08:30:18,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-21 08:30:18,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-21 08:30:18,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-21 08:30:18,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-21 08:30:18,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-21 08:30:18,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-21 08:30:18,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-21 08:30:18,740 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 08:30:18,740 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 08:30:18,740 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-21 08:30:18,740 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-21 08:30:18,740 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-21 08:30:18,740 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-21 08:30:18,741 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-21 08:30:18,741 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-21 08:30:18,741 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-21 08:30:18,741 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-21 08:30:18,741 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-21 08:30:18,741 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-21 08:30:18,742 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-21 08:30:18,742 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-21 08:30:18,742 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-21 08:30:18,742 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 08:30:18,742 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-21 08:30:18,742 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-21 08:30:18,742 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-21 08:30:18,743 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-21 08:30:18,743 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-21 08:30:18,743 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-21 08:30:18,743 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-21 08:30:18,744 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-21 08:30:18,744 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-21 08:30:18,744 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-21 08:30:18,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 08:30:18,745 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-21 08:30:18,745 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-21 08:30:18,745 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-21 08:30:18,745 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-21 08:30:18,746 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 08:30:18,746 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 08:30:18,746 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-21 08:30:18,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 08:30:18,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 08:30:18,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 08:30:18,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 08:30:18,748 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-21 08:30:18,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 08:30:18,748 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-21 08:30:18,749 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-21 08:30:18,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 08:30:18,749 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-21 08:30:18,750 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-21 08:30:18,751 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-21 08:30:18,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 08:30:18,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-21 08:30:18,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 08:30:20,257 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 08:30:20,257 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-21 08:30:20,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:30:20 BoogieIcfgContainer [2019-09-21 08:30:20,259 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 08:30:20,260 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 08:30:20,260 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 08:30:20,260 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 08:30:20,261 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:30:20" (1/1) ... [2019-09-21 08:30:20,262 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 [2019-09-21 08:30:20,286 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 08:30:20,286 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 08:30:20,295 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 08:30:20,304 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 08:30:20,306 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 08:30:30,618 WARN L191 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-21 08:30:32,308 WARN L191 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-21 08:30:32,451 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 08:30:32,605 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 08:30:32,740 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 08:30:32,763 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 478 for LOIs [2019-09-21 08:30:32,817 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 478 for LOIs [2019-09-21 08:30:32,823 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 478 for LOIs [2019-09-21 08:30:33,412 WARN L191 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 512 [2019-09-21 08:30:33,799 WARN L191 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 512 [2019-09-21 08:30:34,104 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 512 [2019-09-21 08:30:34,403 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 512 [2019-09-21 08:30:34,819 WARN L191 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-21 08:30:35,198 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-21 08:30:35,950 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2019-09-21 08:30:36,180 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2019-09-21 08:30:36,800 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 524 [2019-09-21 08:30:37,041 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 524 [2019-09-21 08:30:37,846 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 536 [2019-09-21 08:30:38,112 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-21 08:30:38,334 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 536 [2019-09-21 08:30:38,503 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-21 08:30:38,800 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 542 [2019-09-21 08:30:39,033 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 542 [2019-09-21 08:30:39,259 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 526 [2019-09-21 08:30:39,498 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 526 [2019-09-21 08:30:40,085 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 532 [2019-09-21 08:30:40,247 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-21 08:30:40,483 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 532 [2019-09-21 08:30:40,653 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-21 08:30:40,983 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 538 [2019-09-21 08:30:41,207 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 538 [2019-09-21 08:30:41,345 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 530 [2019-09-21 08:30:41,641 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 25 for LOIs [2019-09-21 08:30:41,695 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 3 for LOIs [2019-09-21 08:30:41,706 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 12 for LOIs [2019-09-21 08:30:41,712 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 24 for LOIs [2019-09-21 08:30:41,716 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 08:30:41,717 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 08:30:41,718 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 510#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (not (= ~pumpRunning~0 0))) [2019-09-21 08:30:41,732 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 08:30:41,732 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 08:30:41,735 INFO L168 Benchmark]: Toolchain (without parser) took 23930.03 ms. Allocated memory was 138.9 MB in the beginning and 757.1 MB in the end (delta: 618.1 MB). Free memory was 84.5 MB in the beginning and 491.3 MB in the end (delta: -406.8 MB). Peak memory consumption was 211.3 MB. Max. memory is 7.1 GB. [2019-09-21 08:30:41,736 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 103.7 MB in the beginning and 103.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 08:30:41,743 INFO L168 Benchmark]: CACSL2BoogieTranslator took 689.05 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 84.3 MB in the beginning and 166.8 MB in the end (delta: -82.5 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2019-09-21 08:30:41,745 INFO L168 Benchmark]: Boogie Preprocessor took 141.15 ms. Allocated memory is still 199.2 MB. Free memory was 166.8 MB in the beginning and 162.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-21 08:30:41,755 INFO L168 Benchmark]: RCFGBuilder took 1622.91 ms. Allocated memory was 199.2 MB in the beginning and 221.8 MB in the end (delta: 22.5 MB). Free memory was 162.5 MB in the beginning and 153.8 MB in the end (delta: 8.6 MB). Peak memory consumption was 94.5 MB. Max. memory is 7.1 GB. [2019-09-21 08:30:41,756 INFO L168 Benchmark]: Sifa took 21472.75 ms. Allocated memory was 221.8 MB in the beginning and 757.1 MB in the end (delta: 535.3 MB). Free memory was 153.8 MB in the beginning and 491.3 MB in the end (delta: -337.5 MB). Peak memory consumption was 197.8 MB. Max. memory is 7.1 GB. [2019-09-21 08:30:41,761 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 103.7 MB in the beginning and 103.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 689.05 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 84.3 MB in the beginning and 166.8 MB in the end (delta: -82.5 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 141.15 ms. Allocated memory is still 199.2 MB. Free memory was 166.8 MB in the beginning and 162.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1622.91 ms. Allocated memory was 199.2 MB in the beginning and 221.8 MB in the end (delta: 22.5 MB). Free memory was 162.5 MB in the beginning and 153.8 MB in the end (delta: 8.6 MB). Peak memory consumption was 94.5 MB. Max. memory is 7.1 GB. * Sifa took 21472.75 ms. Allocated memory was 221.8 MB in the beginning and 757.1 MB in the end (delta: 535.3 MB). Free memory was 153.8 MB in the beginning and 491.3 MB in the end (delta: -337.5 MB). Peak memory consumption was 197.8 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]: 21434, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 222, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 150, TOOLS_POST_TIME[ms]: 12221, TOOLS_POST_CALL_APPLICATIONS: 59, TOOLS_POST_CALL_TIME[ms]: 177, TOOLS_POST_RETURN_APPLICATIONS: 50, TOOLS_POST_RETURN_TIME[ms]: 126, TOOLS_QUANTIFIERELIM_APPLICATIONS: 259, TOOLS_QUANTIFIERELIM_TIME[ms]: 12387, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12071, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 229, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 83, DOMAIN_JOIN_TIME[ms]: 8370, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 29, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 19, DOMAIN_ISBOTTOM_APPLICATIONS: 55, DOMAIN_ISBOTTOM_TIME[ms]: 333, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 3976, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3975, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 50, CALL_SUMMARIZER_CACHE_MISSES: 16, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12453, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12452, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 35, DAG_COMPRESSION_PROCESSED_NODES: 478, DAG_COMPRESSION_RETAINED_NODES: 184 - UnprovableResult [Line: 481]: 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 510#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...