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 AlwaysFluid --sifa.intern.fluid AlwaysFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 22:36:27,220 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 22:36:27,223 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 22:36:27,237 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 22:36:27,238 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 22:36:27,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 22:36:27,240 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 22:36:27,242 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 22:36:27,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 22:36:27,244 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 22:36:27,245 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 22:36:27,246 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 22:36:27,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 22:36:27,247 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 22:36:27,248 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 22:36:27,249 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 22:36:27,250 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 22:36:27,251 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 22:36:27,253 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 22:36:27,255 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 22:36:27,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 22:36:27,257 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 22:36:27,258 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 22:36:27,259 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 22:36:27,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 22:36:27,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 22:36:27,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 22:36:27,263 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 22:36:27,263 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 22:36:27,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 22:36:27,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 22:36:27,265 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 22:36:27,266 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 22:36:27,267 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 22:36:27,267 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 22:36:27,268 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 22:36:27,268 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 22:36:27,269 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 22:36:27,269 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 22:36:27,270 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 22:36:27,270 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 22:36:27,271 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 [2019-09-20 22:36:27,285 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 22:36:27,286 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 22:36:27,287 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 22:36:27,287 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 22:36:27,287 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 22:36:27,287 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 22:36:27,288 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 22:36:27,288 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 22:36:27,288 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 22:36:27,288 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 22:36:27,288 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 22:36:27,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 22:36:27,289 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 22:36:27,289 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 22:36:27,289 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 22:36:27,289 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 22:36:27,289 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 22:36:27,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 22:36:27,290 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 22:36:27,290 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 22:36:27,290 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 22:36:27,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 22:36:27,291 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 22:36:27,291 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 22:36:27,291 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 22:36:27,291 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 22:36:27,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 22:36:27,292 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 22:36:27,292 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 -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 22:36:27,336 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 22:36:27,350 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 22:36:27,355 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 22:36:27,357 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 22:36:27,357 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 22:36:27,358 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product01.cil.c [2019-09-20 22:36:27,427 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f946b01d7/15590f5bbd05413896e286262a8f0f3c/FLAG14fef9d45 [2019-09-20 22:36:27,879 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 22:36:27,880 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product01.cil.c [2019-09-20 22:36:27,903 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f946b01d7/15590f5bbd05413896e286262a8f0f3c/FLAG14fef9d45 [2019-09-20 22:36:28,250 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f946b01d7/15590f5bbd05413896e286262a8f0f3c [2019-09-20 22:36:28,258 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 22:36:28,260 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 22:36:28,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 22:36:28,261 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 22:36:28,264 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 22:36:28,265 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:36:28" (1/1) ... [2019-09-20 22:36:28,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d70ec0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:36:28, skipping insertion in model container [2019-09-20 22:36:28,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:36:28" (1/1) ... [2019-09-20 22:36:28,274 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 22:36:28,334 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 22:36:28,791 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:36:28,815 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 22:36:28,900 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:36:28,937 INFO L192 MainTranslator]: Completed translation [2019-09-20 22:36:28,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:36:28 WrapperNode [2019-09-20 22:36:28,938 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 22:36:28,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 22:36:28,939 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 22:36:28,939 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 22:36:28,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:36:28" (1/1) ... [2019-09-20 22:36:28,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:36:28" (1/1) ... [2019-09-20 22:36:28,968 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:36:28" (1/1) ... [2019-09-20 22:36:28,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:36:28" (1/1) ... [2019-09-20 22:36:28,994 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:36:28" (1/1) ... [2019-09-20 22:36:29,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:36:28" (1/1) ... [2019-09-20 22:36:29,009 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:36:28" (1/1) ... [2019-09-20 22:36:29,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 22:36:29,026 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 22:36:29,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 22:36:29,027 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 22:36:29,028 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:36:28" (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 [2019-09-20 22:36:29,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 22:36:29,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 22:36:29,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 22:36:29,095 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 22:36:29,095 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 22:36:29,095 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 22:36:29,095 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 22:36:29,097 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 22:36:29,097 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 22:36:29,097 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 22:36:29,097 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 22:36:29,098 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 22:36:29,098 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 22:36:29,098 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 22:36:29,099 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 22:36:29,099 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 22:36:29,101 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 22:36:29,102 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 22:36:29,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 22:36:29,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 22:36:29,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 22:36:29,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 22:36:29,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 22:36:29,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 22:36:29,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-20 22:36:29,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-20 22:36:29,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-20 22:36:29,104 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 22:36:29,104 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 22:36:29,105 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 22:36:29,105 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 22:36:29,105 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 22:36:29,105 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 22:36:29,106 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 22:36:29,106 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 22:36:29,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 22:36:29,106 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 22:36:29,106 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 22:36:29,106 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 22:36:29,106 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 22:36:29,107 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 22:36:29,107 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 22:36:29,107 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 22:36:29,107 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 22:36:29,107 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 22:36:29,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 22:36:29,110 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 22:36:29,110 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 22:36:29,110 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 22:36:29,110 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 22:36:29,110 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 22:36:29,110 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-20 22:36:29,110 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 22:36:29,111 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 22:36:29,111 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 22:36:29,111 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 22:36:29,111 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 22:36:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 22:36:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 22:36:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 22:36:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 22:36:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 22:36:29,113 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 22:36:29,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 22:36:29,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 22:36:29,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 22:36:29,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 22:36:29,113 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 22:36:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 22:36:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 22:36:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 22:36:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 22:36:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 22:36:29,115 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 22:36:29,115 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 22:36:29,115 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 22:36:29,115 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 22:36:29,116 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-20 22:36:29,116 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-20 22:36:29,116 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 22:36:29,116 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 22:36:29,117 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 22:36:29,117 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 22:36:29,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 22:36:29,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 22:36:29,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 22:36:30,613 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 22:36:30,614 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 22:36:30,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:36:30 BoogieIcfgContainer [2019-09-20 22:36:30,615 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 22:36:30,616 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 22:36:30,616 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 22:36:30,616 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 22:36:30,617 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:36:30" (1/1) ... [2019-09-20 22:36:30,618 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=AlwaysFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=AlwaysFluid [2019-09-20 22:36:30,656 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 22:36:30,657 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 22:36:30,668 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 22:36:30,679 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 22:36:30,681 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 22:36:52,468 WARN L191 SmtUtils]: Spent 12.59 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-20 22:36:54,156 WARN L191 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 22:36:57,955 WARN L191 SmtUtils]: Spent 3.79 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-20 22:36:59,721 WARN L191 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-20 22:37:01,472 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-20 22:37:01,491 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 10 for LOIs [2019-09-20 22:37:01,525 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 10 for LOIs [2019-09-20 22:37:01,532 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 12 for LOIs [2019-09-20 22:37:01,894 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-20 22:37:01,952 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-20 22:37:01,972 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 1 for LOIs [2019-09-20 22:37:01,986 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 3 for LOIs [2019-09-20 22:37:01,991 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 22:37:01,991 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 22:37:01,993 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 493#(= ~switchedOnBeforeTS~0 0) [2019-09-20 22:37:02,006 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 22:37:02,006 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 22:37:02,009 INFO L168 Benchmark]: Toolchain (without parser) took 33748.14 ms. Allocated memory was 134.2 MB in the beginning and 424.1 MB in the end (delta: 289.9 MB). Free memory was 88.9 MB in the beginning and 192.7 MB in the end (delta: -103.8 MB). Peak memory consumption was 186.2 MB. Max. memory is 7.1 GB. [2019-09-20 22:37:02,010 INFO L168 Benchmark]: CDTParser took 1.23 ms. Allocated memory is still 134.2 MB. Free memory is still 108.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 22:37:02,011 INFO L168 Benchmark]: CACSL2BoogieTranslator took 677.59 ms. Allocated memory was 134.2 MB in the beginning and 199.8 MB in the end (delta: 65.5 MB). Free memory was 88.9 MB in the beginning and 163.8 MB in the end (delta: -74.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2019-09-20 22:37:02,012 INFO L168 Benchmark]: Boogie Preprocessor took 87.71 ms. Allocated memory is still 199.8 MB. Free memory was 162.9 MB in the beginning and 159.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2019-09-20 22:37:02,018 INFO L168 Benchmark]: RCFGBuilder took 1588.76 ms. Allocated memory was 199.8 MB in the beginning and 227.0 MB in the end (delta: 27.3 MB). Free memory was 159.4 MB in the beginning and 147.0 MB in the end (delta: 12.4 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. [2019-09-20 22:37:02,019 INFO L168 Benchmark]: Sifa took 31390.78 ms. Allocated memory was 227.0 MB in the beginning and 424.1 MB in the end (delta: 197.1 MB). Free memory was 147.0 MB in the beginning and 192.7 MB in the end (delta: -45.7 MB). Peak memory consumption was 151.4 MB. Max. memory is 7.1 GB. [2019-09-20 22:37:02,025 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.23 ms. Allocated memory is still 134.2 MB. Free memory is still 108.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 677.59 ms. Allocated memory was 134.2 MB in the beginning and 199.8 MB in the end (delta: 65.5 MB). Free memory was 88.9 MB in the beginning and 163.8 MB in the end (delta: -74.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.71 ms. Allocated memory is still 199.8 MB. Free memory was 162.9 MB in the beginning and 159.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1588.76 ms. Allocated memory was 199.8 MB in the beginning and 227.0 MB in the end (delta: 27.3 MB). Free memory was 159.4 MB in the beginning and 147.0 MB in the end (delta: 12.4 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. * Sifa took 31390.78 ms. Allocated memory was 227.0 MB in the beginning and 424.1 MB in the end (delta: 197.1 MB). Free memory was 147.0 MB in the beginning and 192.7 MB in the end (delta: -45.7 MB). Peak memory consumption was 151.4 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]: 31336, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 163, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 108, TOOLS_POST_TIME[ms]: 27205, TOOLS_POST_CALL_APPLICATIONS: 48, TOOLS_POST_CALL_TIME[ms]: 56, TOOLS_POST_RETURN_APPLICATIONS: 39, TOOLS_POST_RETURN_TIME[ms]: 18, TOOLS_QUANTIFIERELIM_APPLICATIONS: 195, TOOLS_QUANTIFIERELIM_TIME[ms]: 27235, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 27181, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 166, FLUID_YES_ANSWERS: 166, DOMAIN_JOIN_APPLICATIONS: 53, DOMAIN_JOIN_TIME[ms]: 3753, DOMAIN_ALPHA_APPLICATIONS: 166, DOMAIN_ALPHA_TIME[ms]: 164, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 2, DOMAIN_ISBOTTOM_APPLICATIONS: 29, DOMAIN_ISBOTTOM_TIME[ms]: 22, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 234, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 234, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 39, CALL_SUMMARIZER_CACHE_MISSES: 18, CALL_SUMMARIZER_OVERALL_TIME[ms]: 30895, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 30893, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 27, DAG_COMPRESSION_PROCESSED_NODES: 335, DAG_COMPRESSION_RETAINED_NODES: 170 - UnprovableResult [Line: 863]: 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 493#(= ~switchedOnBeforeTS~0 0). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...