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.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 15:43:59,031 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 15:43:59,033 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 15:43:59,047 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 15:43:59,047 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 15:43:59,048 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 15:43:59,050 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 15:43:59,055 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 15:43:59,057 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 15:43:59,057 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 15:43:59,060 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 15:43:59,062 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 15:43:59,064 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 15:43:59,065 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 15:43:59,066 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 15:43:59,068 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 15:43:59,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 15:43:59,069 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 15:43:59,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 15:43:59,073 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 15:43:59,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 15:43:59,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 15:43:59,076 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 15:43:59,077 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 15:43:59,081 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 15:43:59,081 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 15:43:59,081 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 15:43:59,085 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 15:43:59,085 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 15:43:59,089 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 15:43:59,089 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 15:43:59,090 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 15:43:59,092 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 15:43:59,093 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 15:43:59,095 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 15:43:59,095 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 15:43:59,096 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 15:43:59,096 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 15:43:59,096 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 15:43:59,099 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 15:43:59,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 15:43:59,101 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 [2019-09-25 15:43:59,121 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 15:43:59,121 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 15:43:59,123 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 15:43:59,124 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 15:43:59,124 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 15:43:59,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 15:43:59,125 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 15:43:59,125 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 15:43:59,125 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 15:43:59,125 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 15:43:59,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 15:43:59,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 15:43:59,127 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 15:43:59,128 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 15:43:59,128 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 15:43:59,128 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 15:43:59,128 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 15:43:59,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 15:43:59,129 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 15:43:59,129 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 15:43:59,130 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 15:43:59,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 15:43:59,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 15:43:59,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 15:43:59,131 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 15:43:59,131 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 15:43:59,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 15:43:59,131 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 15:43:59,131 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: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-25 15:43:59,192 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 15:43:59,212 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 15:43:59,216 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 15:43:59,218 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 15:43:59,219 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 15:43:59,220 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product49.cil.c [2019-09-25 15:43:59,296 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6e5c741a/018b19ddc5524cbfb3cdec6eb4ddf349/FLAG963f3f958 [2019-09-25 15:43:59,857 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 15:43:59,858 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product49.cil.c [2019-09-25 15:43:59,875 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6e5c741a/018b19ddc5524cbfb3cdec6eb4ddf349/FLAG963f3f958 [2019-09-25 15:44:00,128 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6e5c741a/018b19ddc5524cbfb3cdec6eb4ddf349 [2019-09-25 15:44:00,139 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 15:44:00,140 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 15:44:00,141 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 15:44:00,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 15:44:00,145 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 15:44:00,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:44:00" (1/1) ... [2019-09-25 15:44:00,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16df3184 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:44:00, skipping insertion in model container [2019-09-25 15:44:00,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:44:00" (1/1) ... [2019-09-25 15:44:00,157 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 15:44:00,209 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 15:44:00,661 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:44:00,684 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 15:44:00,819 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:44:00,855 INFO L192 MainTranslator]: Completed translation [2019-09-25 15:44:00,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:44:00 WrapperNode [2019-09-25 15:44:00,856 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 15:44:00,857 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 15:44:00,857 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 15:44:00,857 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 15:44:00,868 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:44:00" (1/1) ... [2019-09-25 15:44:00,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:44:00" (1/1) ... [2019-09-25 15:44:00,906 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:44:00" (1/1) ... [2019-09-25 15:44:00,906 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:44:00" (1/1) ... [2019-09-25 15:44:00,933 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:44:00" (1/1) ... [2019-09-25 15:44:00,954 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:44:00" (1/1) ... [2019-09-25 15:44:00,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:44:00" (1/1) ... [2019-09-25 15:44:00,976 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 15:44:00,976 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 15:44:00,976 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 15:44:00,977 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 15:44:00,978 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:44:00" (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 [2019-09-25 15:44:01,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 15:44:01,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 15:44:01,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-25 15:44:01,035 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-25 15:44:01,036 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-25 15:44:01,037 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-25 15:44:01,037 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-25 15:44:01,037 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 15:44:01,037 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-25 15:44:01,038 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-25 15:44:01,038 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-25 15:44:01,039 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-25 15:44:01,039 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-25 15:44:01,039 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-25 15:44:01,039 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-25 15:44:01,039 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-25 15:44:01,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-25 15:44:01,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-25 15:44:01,042 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-25 15:44:01,042 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-25 15:44:01,043 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-25 15:44:01,043 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-25 15:44:01,043 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-25 15:44:01,043 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-25 15:44:01,044 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-25 15:44:01,045 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-25 15:44:01,045 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-25 15:44:01,045 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-25 15:44:01,046 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-25 15:44:01,046 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-25 15:44:01,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-25 15:44:01,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-25 15:44:01,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-25 15:44:01,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-25 15:44:01,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-25 15:44:01,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-25 15:44:01,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-25 15:44:01,047 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-25 15:44:01,047 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-25 15:44:01,048 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-25 15:44:01,048 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-25 15:44:01,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 15:44:01,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 15:44:01,048 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-25 15:44:01,048 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-25 15:44:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-25 15:44:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-25 15:44:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-25 15:44:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-25 15:44:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-25 15:44:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-25 15:44:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-25 15:44:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-25 15:44:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-25 15:44:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-25 15:44:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-25 15:44:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-25 15:44:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 15:44:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-25 15:44:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-25 15:44:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-25 15:44:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-25 15:44:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-25 15:44:01,053 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-25 15:44:01,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 15:44:01,053 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-25 15:44:01,053 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-25 15:44:01,053 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-25 15:44:01,053 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-25 15:44:01,053 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-25 15:44:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-25 15:44:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-25 15:44:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-25 15:44:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-25 15:44:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-25 15:44:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-25 15:44:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-25 15:44:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 15:44:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 15:44:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-25 15:44:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 15:44:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 15:44:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 15:44:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 15:44:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-25 15:44:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 15:44:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-25 15:44:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-25 15:44:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 15:44:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-25 15:44:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-25 15:44:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-25 15:44:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-25 15:44:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 15:44:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-25 15:44:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 15:44:02,679 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 15:44:02,680 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-25 15:44:02,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:44:02 BoogieIcfgContainer [2019-09-25 15:44:02,681 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 15:44:02,682 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 15:44:02,682 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 15:44:02,682 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 15:44:02,684 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:44:02" (1/1) ... [2019-09-25 15:44:02,684 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ 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 [2019-09-25 15:44:02,708 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 15:44:02,709 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 15:44:02,718 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 15:44:02,727 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 15:44:02,728 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 15:44:12,852 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-25 15:44:14,764 WARN L191 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-25 15:44:14,917 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 15:44:15,059 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 15:44:15,180 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 15:44:15,213 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 482 for LOIs [2019-09-25 15:44:15,258 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 482 for LOIs [2019-09-25 15:44:15,274 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 482 for LOIs [2019-09-25 15:44:15,466 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 486 [2019-09-25 15:44:15,647 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 486 [2019-09-25 15:44:16,197 WARN L191 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 518 [2019-09-25 15:44:16,644 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 518 [2019-09-25 15:44:16,862 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 533 [2019-09-25 15:44:17,036 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 533 [2019-09-25 15:44:17,201 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 530 [2019-09-25 15:44:17,331 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 530 [2019-09-25 15:44:17,889 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 507 [2019-09-25 15:44:18,025 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 507 [2019-09-25 15:44:18,136 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 507 [2019-09-25 15:44:18,255 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 507 [2019-09-25 15:44:18,405 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-25 15:44:18,408 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 75 for LOIs [2019-09-25 15:44:18,469 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 69 for LOIs [2019-09-25 15:44:18,476 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 83 for LOIs [2019-09-25 15:44:18,487 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 15:44:18,488 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 15:44:18,490 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 465#(and (not (= 0 ~methAndRunningLastTime~0)) (= |#t~string8.offset| 0) (= |#t~string21.offset| 0) (= |#t~string61.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string4.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string27.offset| 0) (= ~systemActive~0 1) (= |#t~string10.offset| 0) (= |#t~string35.offset| 0) (= |#t~string2.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string66.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (not (= 0 ~methaneLevelCritical~0)) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (= |#NULL.base| 0) (= |#t~string33.offset| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string25.offset| 0) (= |#t~string60.offset| 0) (= ~head~0.offset 0) (= |#t~string6.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string31.offset| 0) (= |#t~string70.offset| 0) (= |#t~string69.offset| 0) (= |#NULL.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (= |#t~string23.offset| 0)) [2019-09-25 15:44:18,504 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 15:44:18,504 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 15:44:18,506 INFO L168 Benchmark]: Toolchain (without parser) took 18365.53 ms. Allocated memory was 132.6 MB in the beginning and 432.5 MB in the end (delta: 299.9 MB). Free memory was 87.4 MB in the beginning and 83.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 303.8 MB. Max. memory is 7.1 GB. [2019-09-25 15:44:18,507 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 132.6 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 15:44:18,508 INFO L168 Benchmark]: CACSL2BoogieTranslator took 715.26 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 87.2 MB in the beginning and 164.7 MB in the end (delta: -77.5 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. [2019-09-25 15:44:18,509 INFO L168 Benchmark]: Boogie Preprocessor took 119.07 ms. Allocated memory is still 200.3 MB. Free memory was 164.7 MB in the beginning and 160.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-25 15:44:18,510 INFO L168 Benchmark]: RCFGBuilder took 1705.39 ms. Allocated memory was 200.3 MB in the beginning and 223.3 MB in the end (delta: 23.1 MB). Free memory was 160.3 MB in the beginning and 139.0 MB in the end (delta: 21.3 MB). Peak memory consumption was 91.0 MB. Max. memory is 7.1 GB. [2019-09-25 15:44:18,511 INFO L168 Benchmark]: Sifa took 15822.29 ms. Allocated memory was 223.3 MB in the beginning and 432.5 MB in the end (delta: 209.2 MB). Free memory was 139.0 MB in the beginning and 83.5 MB in the end (delta: 55.5 MB). Peak memory consumption was 264.7 MB. Max. memory is 7.1 GB. [2019-09-25 15:44:18,515 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 132.6 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 715.26 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 87.2 MB in the beginning and 164.7 MB in the end (delta: -77.5 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.07 ms. Allocated memory is still 200.3 MB. Free memory was 164.7 MB in the beginning and 160.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1705.39 ms. Allocated memory was 200.3 MB in the beginning and 223.3 MB in the end (delta: 23.1 MB). Free memory was 160.3 MB in the beginning and 139.0 MB in the end (delta: 21.3 MB). Peak memory consumption was 91.0 MB. Max. memory is 7.1 GB. * Sifa took 15822.29 ms. Allocated memory was 223.3 MB in the beginning and 432.5 MB in the end (delta: 209.2 MB). Free memory was 139.0 MB in the beginning and 83.5 MB in the end (delta: 55.5 MB). Peak memory consumption was 264.7 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]: 15782, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 200, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 135, TOOLS_POST_TIME[ms]: 12187, TOOLS_POST_CALL_APPLICATIONS: 57, TOOLS_POST_CALL_TIME[ms]: 117, TOOLS_POST_RETURN_APPLICATIONS: 50, TOOLS_POST_RETURN_TIME[ms]: 51, TOOLS_QUANTIFIERELIM_APPLICATIONS: 241, TOOLS_QUANTIFIERELIM_TIME[ms]: 12272, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12120, FLUID_QUERY_TIME[ms]: 11, FLUID_QUERIES: 202, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 68, DOMAIN_JOIN_TIME[ms]: 3156, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 6, DOMAIN_ISBOTTOM_APPLICATIONS: 40, DOMAIN_ISBOTTOM_TIME[ms]: 135, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 476, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 475, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 50, CALL_SUMMARIZER_CACHE_MISSES: 27, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12533, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12532, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 27, DAG_COMPRESSION_PROCESSED_NODES: 460, DAG_COMPRESSION_RETAINED_NODES: 200 - UnprovableResult [Line: 930]: 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 465#(and (not (= 0 ~methAndRunningLastTime~0)) (= |#t~string8.offset| 0) (= |#t~string21.offset| 0) (= |#t~string61.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string4.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string27.offset| 0) (= ~systemActive~0 1) (= |#t~string10.offset| 0) (= |#t~string35.offset| 0) (= |#t~string2.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string66.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (not (= 0 ~methaneLevelCritical~0)) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (= |#NULL.base| 0) (= |#t~string33.offset| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string25.offset| 0) (= |#t~string60.offset| 0) (= ~head~0.offset 0) (= |#t~string6.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string31.offset| 0) (= |#t~string70.offset| 0) (= |#t~string69.offset| 0) (= |#NULL.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (= |#t~string23.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...