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 --sifa.max.parallel.explicit.values 2 --sifa.sizelimitfluid.max.disjunctions 4 -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:10:46,095 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:10:46,097 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:10:46,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:10:46,109 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:10:46,111 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:10:46,112 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:10:46,114 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:10:46,116 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:10:46,117 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:10:46,118 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:10:46,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:10:46,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:10:46,120 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:10:46,121 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:10:46,122 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:10:46,123 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:10:46,124 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:10:46,126 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:10:46,128 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:10:46,130 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:10:46,131 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:10:46,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:10:46,133 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:10:46,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:10:46,136 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:10:46,136 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:10:46,137 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:10:46,137 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:10:46,138 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:10:46,138 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:10:46,139 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:10:46,140 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:10:46,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:10:46,142 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:10:46,142 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:10:46,143 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:10:46,143 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:10:46,143 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:10:46,144 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:10:46,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:10:46,146 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 17:10:46,161 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:10:46,161 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:10:46,162 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:10:46,163 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:10:46,163 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:10:46,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:10:46,163 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:10:46,163 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:10:46,164 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:10:46,164 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:10:46,164 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:10:46,164 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:10:46,164 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:10:46,165 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:10:46,165 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:10:46,165 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:10:46,165 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:10:46,165 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:10:46,166 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:10:46,166 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:10:46,166 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:10:46,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:10:46,166 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:10:46,167 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:10:46,167 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:10:46,167 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:10:46,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:10:46,167 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:10:46,168 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 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Max. Parallel Explicit Values -> 2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: SizeLimitFluid Max. Disjunctions -> 4 [2019-09-25 17:10:46,223 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:10:46,235 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:10:46,239 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:10:46,240 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:10:46,241 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:10:46,242 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product17.cil.c [2019-09-25 17:10:46,302 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff57cf15e/853845593e3d4bfaa3d242367a773411/FLAG657884652 [2019-09-25 17:10:46,797 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:10:46,798 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product17.cil.c [2019-09-25 17:10:46,822 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff57cf15e/853845593e3d4bfaa3d242367a773411/FLAG657884652 [2019-09-25 17:10:47,143 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff57cf15e/853845593e3d4bfaa3d242367a773411 [2019-09-25 17:10:47,154 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:10:47,156 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:10:47,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:10:47,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:10:47,160 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:10:47,161 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:10:47" (1/1) ... [2019-09-25 17:10:47,164 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51aa4cf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:10:47, skipping insertion in model container [2019-09-25 17:10:47,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:10:47" (1/1) ... [2019-09-25 17:10:47,173 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:10:47,231 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:10:47,668 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:10:47,682 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:10:47,785 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:10:47,833 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:10:47,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:10:47 WrapperNode [2019-09-25 17:10:47,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:10:47,835 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:10:47,835 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:10:47,835 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:10:47,849 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:10:47" (1/1) ... [2019-09-25 17:10:47,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:10:47" (1/1) ... [2019-09-25 17:10:47,868 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:10:47" (1/1) ... [2019-09-25 17:10:47,868 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:10:47" (1/1) ... [2019-09-25 17:10:47,902 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:10:47" (1/1) ... [2019-09-25 17:10:47,918 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:10:47" (1/1) ... [2019-09-25 17:10:47,924 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:10:47" (1/1) ... [2019-09-25 17:10:47,931 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:10:47,932 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:10:47,932 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:10:47,932 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:10:47,933 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:10:47" (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 17:10:47,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:10:47,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:10:47,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-25 17:10:47,999 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-25 17:10:47,999 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-25 17:10:47,999 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-25 17:10:48,000 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-25 17:10:48,002 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:10:48,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-25 17:10:48,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-25 17:10:48,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-25 17:10:48,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-25 17:10:48,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-25 17:10:48,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-25 17:10:48,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-25 17:10:48,004 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-25 17:10:48,004 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-25 17:10:48,004 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-25 17:10:48,004 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-25 17:10:48,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-25 17:10:48,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-25 17:10:48,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-25 17:10:48,005 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-25 17:10:48,005 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-25 17:10:48,005 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-25 17:10:48,005 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-25 17:10:48,006 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-25 17:10:48,006 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-25 17:10:48,006 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-25 17:10:48,006 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-25 17:10:48,006 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-25 17:10:48,006 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-25 17:10:48,007 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-25 17:10:48,007 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-25 17:10:48,007 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-25 17:10:48,007 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-25 17:10:48,007 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-25 17:10:48,007 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-25 17:10:48,008 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-25 17:10:48,008 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:10:48,008 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 17:10:48,008 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-25 17:10:48,008 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-25 17:10:48,008 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-25 17:10:48,008 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-25 17:10:48,009 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-25 17:10:48,009 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-25 17:10:48,009 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-25 17:10:48,009 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-25 17:10:48,009 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-25 17:10:48,009 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-25 17:10:48,009 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-25 17:10:48,010 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-25 17:10:48,010 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-25 17:10:48,010 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-25 17:10:48,010 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:10:48,010 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-25 17:10:48,010 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 17:10:48,011 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 17:10:48,011 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-25 17:10:48,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 17:10:48,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 17:10:48,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 17:10:48,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 17:10:48,012 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-25 17:10:48,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 17:10:48,012 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-25 17:10:48,012 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-25 17:10:48,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 17:10:48,012 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-25 17:10:48,013 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-25 17:10:48,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 17:10:48,013 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-25 17:10:48,013 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-25 17:10:48,013 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-25 17:10:48,013 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-25 17:10:48,013 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-25 17:10:48,014 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-25 17:10:48,014 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-25 17:10:48,014 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-25 17:10:48,014 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-25 17:10:48,014 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-25 17:10:48,014 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-25 17:10:48,015 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-25 17:10:48,015 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-25 17:10:48,015 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-25 17:10:48,015 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-25 17:10:48,015 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-25 17:10:48,015 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-25 17:10:48,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:10:48,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-25 17:10:48,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:10:49,490 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:10:49,491 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-25 17:10:49,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:10:49 BoogieIcfgContainer [2019-09-25 17:10:49,493 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:10:49,493 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:10:49,493 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:10:49,494 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:10:49,495 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:10:49" (1/1) ... [2019-09-25 17:10:49,496 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=4 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 17:10:49,527 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:10:49,527 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:10:49,545 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:10:49,560 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:10:49,562 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:11:00,119 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-25 17:11:02,040 WARN L191 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-25 17:11:02,201 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:11:02,333 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:11:02,461 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:11:02,483 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 482 for LOIs [2019-09-25 17:11:02,538 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 482 for LOIs [2019-09-25 17:11:02,553 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 482 for LOIs [2019-09-25 17:11:02,761 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 486 [2019-09-25 17:11:02,884 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 486 [2019-09-25 17:11:03,383 WARN L191 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-25 17:11:03,805 WARN L191 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-25 17:11:04,313 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 522 [2019-09-25 17:11:04,590 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 75 for LOIs [2019-09-25 17:11:04,835 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 75 for LOIs [2019-09-25 17:11:04,938 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 66 for LOIs [2019-09-25 17:11:04,948 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 83 for LOIs [2019-09-25 17:11:04,963 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:11:04,965 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:11:04,970 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 399#(and (= |#t~string20.offset| 0) (= |#t~string21.offset| 0) (= |#t~string61.offset| 0) (= |#t~string55.offset| 0) (= |#t~string49.offset| 0) (= |#t~string29.offset| 0) (= |#t~string47.offset| 0) (= |#t~string57.offset| 0) (= ~switchedOnBeforeTS~0 0) (= |#t~string67.offset| 0) (= ~systemActive~0 1) (not (= ~pumpRunning~0 0)) (= |#t~string28.offset| 0) (= |#t~string19.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (<= ~waterLevel~0 2147483647) (= |#t~string32.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#t~string43.offset| 0) (= |#NULL.base| 0) (= |#t~string33.offset| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string22.offset| 0) (= ~head~0.offset 0) (= |#t~string41.offset| 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (= |#t~string31.offset| 0) (not (= 2 ~waterLevel~0)) (= |#t~string45.offset| 0) (= |#t~string24.offset| 0) (= |#NULL.offset| 0) (= |#t~string23.offset| 0) (= |#t~string53.offset| 0)) [2019-09-25 17:11:04,989 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:11:04,990 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:11:04,995 INFO L168 Benchmark]: Toolchain (without parser) took 17837.00 ms. Allocated memory was 141.0 MB in the beginning and 352.3 MB in the end (delta: 211.3 MB). Free memory was 87.9 MB in the beginning and 80.9 MB in the end (delta: 6.9 MB). Peak memory consumption was 218.2 MB. Max. memory is 7.1 GB. [2019-09-25 17:11:04,997 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 107.2 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 17:11:05,015 INFO L168 Benchmark]: CACSL2BoogieTranslator took 677.44 ms. Allocated memory was 141.0 MB in the beginning and 199.8 MB in the end (delta: 58.7 MB). Free memory was 87.7 MB in the beginning and 166.0 MB in the end (delta: -78.4 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2019-09-25 17:11:05,024 INFO L168 Benchmark]: Boogie Preprocessor took 97.06 ms. Allocated memory is still 199.8 MB. Free memory was 166.0 MB in the beginning and 161.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-25 17:11:05,028 INFO L168 Benchmark]: RCFGBuilder took 1560.88 ms. Allocated memory was 199.8 MB in the beginning and 227.5 MB in the end (delta: 27.8 MB). Free memory was 161.7 MB in the beginning and 143.6 MB in the end (delta: 18.1 MB). Peak memory consumption was 87.6 MB. Max. memory is 7.1 GB. [2019-09-25 17:11:05,030 INFO L168 Benchmark]: Sifa took 15497.54 ms. Allocated memory was 227.5 MB in the beginning and 352.3 MB in the end (delta: 124.8 MB). Free memory was 143.6 MB in the beginning and 80.9 MB in the end (delta: 62.6 MB). Peak memory consumption was 187.4 MB. Max. memory is 7.1 GB. [2019-09-25 17:11:05,043 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 107.2 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 677.44 ms. Allocated memory was 141.0 MB in the beginning and 199.8 MB in the end (delta: 58.7 MB). Free memory was 87.7 MB in the beginning and 166.0 MB in the end (delta: -78.4 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.06 ms. Allocated memory is still 199.8 MB. Free memory was 166.0 MB in the beginning and 161.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1560.88 ms. Allocated memory was 199.8 MB in the beginning and 227.5 MB in the end (delta: 27.8 MB). Free memory was 161.7 MB in the beginning and 143.6 MB in the end (delta: 18.1 MB). Peak memory consumption was 87.6 MB. Max. memory is 7.1 GB. * Sifa took 15497.54 ms. Allocated memory was 227.5 MB in the beginning and 352.3 MB in the end (delta: 124.8 MB). Free memory was 143.6 MB in the beginning and 80.9 MB in the end (delta: 62.6 MB). Peak memory consumption was 187.4 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]: 15443, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 183, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 122, TOOLS_POST_TIME[ms]: 12605, TOOLS_POST_CALL_APPLICATIONS: 56, TOOLS_POST_CALL_TIME[ms]: 177, TOOLS_POST_RETURN_APPLICATIONS: 47, TOOLS_POST_RETURN_TIME[ms]: 56, TOOLS_QUANTIFIERELIM_APPLICATIONS: 225, TOOLS_QUANTIFIERELIM_TIME[ms]: 12728, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12532, FLUID_QUERY_TIME[ms]: 15, FLUID_QUERIES: 188, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 58, DOMAIN_JOIN_TIME[ms]: 2248, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 86, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 12, DOMAIN_ISBOTTOM_APPLICATIONS: 30, DOMAIN_ISBOTTOM_TIME[ms]: 84, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 643, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 642, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 47, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12922, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12922, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 34, DAG_COMPRESSION_PROCESSED_NODES: 365, DAG_COMPRESSION_RETAINED_NODES: 189 - UnprovableResult [Line: 516]: 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 399#(and (= |#t~string20.offset| 0) (= |#t~string21.offset| 0) (= |#t~string61.offset| 0) (= |#t~string55.offset| 0) (= |#t~string49.offset| 0) (= |#t~string29.offset| 0) (= |#t~string47.offset| 0) (= |#t~string57.offset| 0) (= ~switchedOnBeforeTS~0 0) (= |#t~string67.offset| 0) (= ~systemActive~0 1) (not (= ~pumpRunning~0 0)) (= |#t~string28.offset| 0) (= |#t~string19.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (<= ~waterLevel~0 2147483647) (= |#t~string32.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#t~string43.offset| 0) (= |#NULL.base| 0) (= |#t~string33.offset| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string22.offset| 0) (= ~head~0.offset 0) (= |#t~string41.offset| 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (= |#t~string31.offset| 0) (not (= 2 ~waterLevel~0)) (= |#t~string45.offset| 0) (= |#t~string24.offset| 0) (= |#NULL.offset| 0) (= |#t~string23.offset| 0) (= |#t~string53.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...