/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_spec4_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 10:49:32,912 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 10:49:32,915 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 10:49:32,933 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 10:49:32,934 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 10:49:32,936 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 10:49:32,938 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 10:49:32,950 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 10:49:32,952 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 10:49:32,955 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 10:49:32,956 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 10:49:32,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 10:49:32,958 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 10:49:32,961 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 10:49:32,962 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 10:49:32,964 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 10:49:32,965 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 10:49:32,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 10:49:32,967 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 10:49:32,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 10:49:32,970 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 10:49:32,971 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 10:49:32,972 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 10:49:32,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 10:49:32,974 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 10:49:32,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 10:49:32,975 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 10:49:32,976 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 10:49:32,976 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 10:49:32,977 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 10:49:32,977 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 10:49:32,978 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 10:49:32,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 10:49:32,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 10:49:32,980 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 10:49:32,980 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 10:49:32,981 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 10:49:32,981 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 10:49:32,981 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 10:49:32,982 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 10:49:32,983 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 10:49:32,984 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 10:49:32,997 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 10:49:32,998 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 10:49:33,000 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 10:49:33,000 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 10:49:33,000 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 10:49:33,001 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 10:49:33,001 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 10:49:33,001 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 10:49:33,001 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 10:49:33,001 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 10:49:33,001 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 10:49:33,002 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 10:49:33,003 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 10:49:33,003 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 10:49:33,003 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 10:49:33,003 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 10:49:33,004 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 10:49:33,004 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 10:49:33,004 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 10:49:33,004 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 10:49:33,004 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 10:49:33,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:49:33,005 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 10:49:33,006 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 10:49:33,006 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 10:49:33,006 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 10:49:33,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 10:49:33,006 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 10:49:33,007 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 10:49:33,275 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 10:49:33,288 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 10:49:33,292 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 10:49:33,293 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 10:49:33,293 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 10:49:33,294 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product24.cil.c [2019-11-07 10:49:33,355 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bd4397ff/3cd7a286b6c842e0afe12447698a4b9a/FLAGc763ddfc5 [2019-11-07 10:49:33,871 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 10:49:33,872 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product24.cil.c [2019-11-07 10:49:33,895 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bd4397ff/3cd7a286b6c842e0afe12447698a4b9a/FLAGc763ddfc5 [2019-11-07 10:49:34,191 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bd4397ff/3cd7a286b6c842e0afe12447698a4b9a [2019-11-07 10:49:34,200 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 10:49:34,201 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 10:49:34,202 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 10:49:34,202 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 10:49:34,205 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 10:49:34,206 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:49:34" (1/1) ... [2019-11-07 10:49:34,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ad26e67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:34, skipping insertion in model container [2019-11-07 10:49:34,209 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:49:34" (1/1) ... [2019-11-07 10:49:34,217 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 10:49:34,270 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 10:49:34,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:49:34,757 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 10:49:34,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:49:34,905 INFO L192 MainTranslator]: Completed translation [2019-11-07 10:49:34,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:34 WrapperNode [2019-11-07 10:49:34,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 10:49:34,906 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 10:49:34,906 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 10:49:34,906 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 10:49:34,918 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:34" (1/1) ... [2019-11-07 10:49:34,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:34" (1/1) ... [2019-11-07 10:49:34,937 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:34" (1/1) ... [2019-11-07 10:49:34,937 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:34" (1/1) ... [2019-11-07 10:49:34,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:34" (1/1) ... [2019-11-07 10:49:34,979 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:34" (1/1) ... [2019-11-07 10:49:34,984 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:34" (1/1) ... [2019-11-07 10:49:34,992 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 10:49:34,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 10:49:34,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 10:49:34,993 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 10:49:34,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:34" (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 10:49:35,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 10:49:35,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 10:49:35,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 10:49:35,076 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 10:49:35,076 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 10:49:35,077 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 10:49:35,077 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 10:49:35,078 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 10:49:35,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 10:49:35,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 10:49:35,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 10:49:35,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 10:49:35,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 10:49:35,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 10:49:35,079 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 10:49:35,080 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 10:49:35,082 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 10:49:35,082 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-11-07 10:49:35,082 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 10:49:35,083 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 10:49:35,083 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 10:49:35,083 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 10:49:35,083 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 10:49:35,083 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 10:49:35,083 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-11-07 10:49:35,084 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-11-07 10:49:35,084 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-11-07 10:49:35,084 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 10:49:35,084 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 10:49:35,085 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 10:49:35,085 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 10:49:35,085 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 10:49:35,085 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 10:49:35,085 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-11-07 10:49:35,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-11-07 10:49:35,086 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 10:49:35,086 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 10:49:35,086 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 10:49:35,087 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 10:49:35,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 10:49:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 10:49:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 10:49:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 10:49:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 10:49:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 10:49:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 10:49:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 10:49:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 10:49:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 10:49:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 10:49:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 10:49:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 10:49:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 10:49:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 10:49:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 10:49:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 10:49:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 10:49:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 10:49:35,091 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 10:49:35,091 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 10:49:35,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 10:49:35,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 10:49:35,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 10:49:35,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 10:49:35,092 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 10:49:35,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 10:49:35,092 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 10:49:35,092 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 10:49:35,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 10:49:35,093 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 10:49:35,093 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 10:49:35,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 10:49:35,093 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 10:49:35,094 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-11-07 10:49:35,094 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-11-07 10:49:35,094 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 10:49:35,095 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 10:49:35,095 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 10:49:35,095 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-11-07 10:49:35,096 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 10:49:35,096 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 10:49:35,096 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 10:49:35,097 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-11-07 10:49:35,097 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 10:49:35,097 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 10:49:35,097 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-11-07 10:49:35,097 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-11-07 10:49:35,098 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 10:49:35,098 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 10:49:35,099 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 10:49:35,099 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 10:49:35,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 10:49:35,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 10:49:35,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 10:49:36,630 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 10:49:36,630 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 10:49:36,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:49:36 BoogieIcfgContainer [2019-11-07 10:49:36,632 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 10:49:36,632 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 10:49:36,632 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 10:49:36,633 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 10:49:36,634 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:49:36" (1/1) ... [2019-11-07 10:49:36,635 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 10:49:36,665 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 10:49:36,666 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 10:49:36,681 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 10:49:36,690 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 10:49:36,692 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 10:49:45,885 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-11-07 10:49:47,808 WARN L191 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-11-07 10:49:47,939 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-11-07 10:49:47,957 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-11-07 10:49:47,996 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-11-07 10:49:48,002 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-11-07 10:49:48,473 WARN L191 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-11-07 10:49:48,760 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-07 10:49:49,185 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 194 [2019-11-07 10:49:49,422 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-07 10:49:49,799 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 171 [2019-11-07 10:49:50,014 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2019-11-07 10:49:50,298 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-07 10:49:50,712 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-11-07 10:49:50,898 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-07 10:49:51,171 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 198 [2019-11-07 10:49:51,458 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-07 10:49:51,693 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 194 [2019-11-07 10:49:52,229 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 176 [2019-11-07 10:49:52,715 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 180 [2019-11-07 10:49:53,079 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 184 [2019-11-07 10:49:55,023 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 622 DAG size of output: 619 [2019-11-07 10:49:55,314 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 622 DAG size of output: 619 [2019-11-07 10:49:55,920 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 194 [2019-11-07 10:49:57,169 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 183 [2019-11-07 10:49:57,396 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 183 [2019-11-07 10:49:57,592 INFO L197 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-11-07 10:49:57,601 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 135 for LOIs [2019-11-07 10:49:58,128 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 129 for LOIs [2019-11-07 10:49:58,142 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 142 for LOIs [2019-11-07 10:49:58,144 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 10:49:58,164 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 10:49:58,165 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 10:49:58,167 INFO L168 Benchmark]: Toolchain (without parser) took 23965.50 ms. Allocated memory was 139.5 MB in the beginning and 615.0 MB in the end (delta: 475.5 MB). Free memory was 102.0 MB in the beginning and 229.7 MB in the end (delta: -127.7 MB). Peak memory consumption was 347.8 MB. Max. memory is 7.1 GB. [2019-11-07 10:49:58,170 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 139.5 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-07 10:49:58,176 INFO L168 Benchmark]: CACSL2BoogieTranslator took 704.22 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 101.8 MB in the beginning and 171.3 MB in the end (delta: -69.5 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2019-11-07 10:49:58,183 INFO L168 Benchmark]: Boogie Preprocessor took 86.31 ms. Allocated memory is still 203.9 MB. Free memory was 171.3 MB in the beginning and 166.7 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-11-07 10:49:58,184 INFO L168 Benchmark]: RCFGBuilder took 1638.87 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 166.7 MB in the beginning and 145.6 MB in the end (delta: 21.1 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. [2019-11-07 10:49:58,185 INFO L168 Benchmark]: Sifa took 21532.74 ms. Allocated memory was 234.9 MB in the beginning and 615.0 MB in the end (delta: 380.1 MB). Free memory was 145.6 MB in the beginning and 229.7 MB in the end (delta: -84.1 MB). Peak memory consumption was 296.0 MB. Max. memory is 7.1 GB. [2019-11-07 10:49:58,193 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 139.5 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 704.22 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 101.8 MB in the beginning and 171.3 MB in the end (delta: -69.5 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.31 ms. Allocated memory is still 203.9 MB. Free memory was 171.3 MB in the beginning and 166.7 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1638.87 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 166.7 MB in the beginning and 145.6 MB in the end (delta: 21.1 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. * Sifa took 21532.74 ms. Allocated memory was 234.9 MB in the beginning and 615.0 MB in the end (delta: 380.1 MB). Free memory was 145.6 MB in the beginning and 229.7 MB in the end (delta: -84.1 MB). Peak memory consumption was 296.0 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]: 21480, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 56, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 194, TOOLS_POST_TIME[ms]: 11313, TOOLS_POST_CALL_APPLICATIONS: 88, TOOLS_POST_CALL_TIME[ms]: 253, TOOLS_POST_RETURN_APPLICATIONS: 81, TOOLS_POST_RETURN_TIME[ms]: 155, TOOLS_QUANTIFIERELIM_APPLICATIONS: 362, TOOLS_QUANTIFIERELIM_TIME[ms]: 11557, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11158, FLUID_QUERY_TIME[ms]: 19, FLUID_QUERIES: 342, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 54, DOMAIN_JOIN_TIME[ms]: 8205, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 1126, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME[ms]: 39, DOMAIN_ISBOTTOM_APPLICATIONS: 56, DOMAIN_ISBOTTOM_TIME[ms]: 200, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 6347, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6347, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 81, CALL_SUMMARIZER_CACHE_MISSES: 25, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11337, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11336, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 37, DAG_COMPRESSION_PROCESSED_NODES: 701, DAG_COMPRESSION_RETAINED_NODES: 223 - UnprovableResult [Line: 946]: 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 776#(and (= |#t~string50.offset| 0) (<= |#t~string58.offset| 0) (<= |#t~string33.offset| 0) (= |#t~string61.offset| 0) (<= |#t~string22.offset| 0) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string52.offset|) (<= ~head~0.offset 0) (= |#t~string46.offset| 0) (= |#t~string32.offset| 0) (<= 0 |#t~string67.offset|) (= 0 ~waterLevel~0) (<= 0 |#t~string46.offset|) (= |#t~string52.offset| 0) (= |#NULL.base| 0) (<= |#t~string24.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 |#t~string61.offset|) (<= |#t~string65.offset| 0) (= |#t~string20.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (<= 0 |#t~string48.offset|) (= |#t~string67.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#NULL.offset|) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (= ~cleanupTimeShifts~0 4) (= |#t~string33.offset| 0) (<= 0 |#t~string50.offset|) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= |#t~string46.offset| 0) (<= 4 ~cleanupTimeShifts~0) (= |#t~string31.offset| 0) (= |#t~string69.offset| 0) (= |#NULL.offset| 0) (= |#t~string23.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) (<= |#t~string52.offset| 0) (<= 0 |#t~string32.offset|) (<= ~waterLevel~0 2147483647) (= |#t~string30.offset| 0) (<= |#t~string56.offset| 0) (<= 0 |#t~string21.offset|) (= |#t~string65.offset| 0) (<= 0 |#t~string69.offset|) (<= |#NULL.offset| 0) (= |#t~string48.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (<= |#t~string44.offset| 0) (= |#t~string24.offset| 0) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (= |#t~string44.offset| 0) (<= |#t~string21.offset| 0) (<= |#t~string61.offset| 0) (= |#t~string54.offset| 0) (<= 0 |#t~string54.offset|) (<= 0 |#t~string23.offset|) (= |#t~string58.offset| 0) (<= |#t~string30.offset| 0) (<= |#t~string69.offset| 0) (<= |#t~string32.offset| 0) (= |#t~string19.offset| 0) (<= 0 |#t~string29.offset|) (<= |#t~string50.offset| 0) (<= ~methaneLevelCritical~0 1) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (= |#t~string22.offset| 0) (<= |#t~string48.offset| 0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string19.offset| 0) (<= 0 |#t~string24.offset|) (<= 0 |#t~string58.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...