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 IntervalDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 16:41:49,247 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 16:41:49,250 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 16:41:49,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 16:41:49,271 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 16:41:49,273 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 16:41:49,275 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 16:41:49,287 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 16:41:49,289 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 16:41:49,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 16:41:49,292 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 16:41:49,294 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 16:41:49,294 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 16:41:49,297 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 16:41:49,300 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 16:41:49,302 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 16:41:49,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 16:41:49,306 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 16:41:49,308 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 16:41:49,313 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 16:41:49,315 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 16:41:49,316 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 16:41:49,319 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 16:41:49,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 16:41:49,324 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 16:41:49,324 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 16:41:49,325 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 16:41:49,326 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 16:41:49,328 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 16:41:49,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 16:41:49,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 16:41:49,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 16:41:49,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 16:41:49,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 16:41:49,335 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 16:41:49,335 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 16:41:49,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 16:41:49,336 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 16:41:49,336 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 16:41:49,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 16:41:49,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 16:41:49,340 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 16:41:49,361 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 16:41:49,361 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 16:41:49,364 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 16:41:49,364 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 16:41:49,364 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 16:41:49,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 16:41:49,365 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 16:41:49,365 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 16:41:49,365 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 16:41:49,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 16:41:49,366 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 16:41:49,366 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 16:41:49,367 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 16:41:49,367 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 16:41:49,367 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 16:41:49,367 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 16:41:49,367 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 16:41:49,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 16:41:49,368 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 16:41:49,368 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 16:41:49,368 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 16:41:49,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 16:41:49,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 16:41:49,369 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 16:41:49,369 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 16:41:49,369 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 16:41:49,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 16:41:49,369 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 16:41:49,369 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 16:41:49,400 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 16:41:49,413 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 16:41:49,416 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 16:41:49,418 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 16:41:49,418 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 16:41:49,419 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product17.cil.c [2019-09-20 16:41:49,481 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac23710d0/59894f330e9c408cacd90c9d9b9d78fc/FLAG362226e51 [2019-09-20 16:41:49,957 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 16:41:49,958 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product17.cil.c [2019-09-20 16:41:49,974 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac23710d0/59894f330e9c408cacd90c9d9b9d78fc/FLAG362226e51 [2019-09-20 16:41:50,298 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac23710d0/59894f330e9c408cacd90c9d9b9d78fc [2019-09-20 16:41:50,308 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 16:41:50,310 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 16:41:50,311 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 16:41:50,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 16:41:50,315 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 16:41:50,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:41:50" (1/1) ... [2019-09-20 16:41:50,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24847820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:41:50, skipping insertion in model container [2019-09-20 16:41:50,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:41:50" (1/1) ... [2019-09-20 16:41:50,326 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 16:41:50,387 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 16:41:50,864 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:41:50,877 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 16:41:50,988 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:41:51,020 INFO L192 MainTranslator]: Completed translation [2019-09-20 16:41:51,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:41:51 WrapperNode [2019-09-20 16:41:51,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 16:41:51,021 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 16:41:51,021 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 16:41:51,021 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 16:41:51,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:41:51" (1/1) ... [2019-09-20 16:41:51,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:41:51" (1/1) ... [2019-09-20 16:41:51,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:41:51" (1/1) ... [2019-09-20 16:41:51,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:41:51" (1/1) ... [2019-09-20 16:41:51,084 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:41:51" (1/1) ... [2019-09-20 16:41:51,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:41:51" (1/1) ... [2019-09-20 16:41:51,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:41:51" (1/1) ... [2019-09-20 16:41:51,106 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 16:41:51,107 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 16:41:51,107 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 16:41:51,107 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 16:41:51,108 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:41:51" (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 16:41:51,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 16:41:51,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 16:41:51,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 16:41:51,174 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 16:41:51,175 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 16:41:51,175 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 16:41:51,176 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 16:41:51,176 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 16:41:51,176 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 16:41:51,176 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 16:41:51,176 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 16:41:51,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 16:41:51,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 16:41:51,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 16:41:51,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 16:41:51,178 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 16:41:51,180 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 16:41:51,181 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 16:41:51,181 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 16:41:51,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-20 16:41:51,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-20 16:41:51,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-20 16:41:51,181 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 16:41:51,181 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 16:41:51,182 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 16:41:51,182 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 16:41:51,182 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 16:41:51,182 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 16:41:51,182 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 16:41:51,183 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 16:41:51,183 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 16:41:51,183 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 16:41:51,183 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 16:41:51,183 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 16:41:51,184 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 16:41:51,184 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 16:41:51,184 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 16:41:51,184 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 16:41:51,184 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 16:41:51,185 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 16:41:51,185 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 16:41:51,185 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 16:41:51,185 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 16:41:51,185 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 16:41:51,185 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 16:41:51,185 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 16:41:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 16:41:51,187 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 16:41:51,188 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 16:41:51,188 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-20 16:41:51,188 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 16:41:51,188 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 16:41:51,188 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 16:41:51,188 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 16:41:51,189 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 16:41:51,189 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 16:41:51,189 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 16:41:51,189 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 16:41:51,189 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 16:41:51,190 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 16:41:51,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 16:41:51,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 16:41:51,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 16:41:51,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 16:41:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 16:41:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 16:41:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 16:41:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 16:41:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 16:41:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 16:41:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 16:41:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 16:41:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 16:41:51,193 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 16:41:51,193 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 16:41:51,193 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 16:41:51,194 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 16:41:51,194 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-20 16:41:51,194 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-20 16:41:51,194 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 16:41:51,195 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 16:41:51,195 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 16:41:51,195 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 16:41:51,196 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 16:41:51,196 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 16:41:51,196 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 16:41:51,196 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 16:41:51,197 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 16:41:51,197 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 16:41:51,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 16:41:51,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 16:41:51,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 16:41:52,687 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 16:41:52,688 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 16:41:52,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:41:52 BoogieIcfgContainer [2019-09-20 16:41:52,690 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 16:41:52,690 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 16:41:52,690 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 16:41:52,690 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 16:41:52,692 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:41:52" (1/1) ... [2019-09-20 16:41:52,692 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 16:41:52,730 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 16:41:52,730 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 16:41:52,741 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 16:41:52,753 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 16:41:52,755 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 16:42:15,268 WARN L191 SmtUtils]: Spent 12.85 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-20 16:42:17,048 WARN L191 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 16:42:21,071 WARN L191 SmtUtils]: Spent 4.02 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-20 16:42:21,380 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-20 16:42:21,392 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 117 for LOIs [2019-09-20 16:42:21,446 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 117 for LOIs [2019-09-20 16:42:21,469 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 117 for LOIs [2019-09-20 16:42:22,581 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 134 DAG size of output: 127 [2019-09-20 16:42:23,520 WARN L191 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 127 [2019-09-20 16:42:23,882 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-20 16:42:24,447 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-20 16:42:24,857 WARN L191 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-20 16:42:25,864 WARN L191 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 133 [2019-09-20 16:42:26,964 WARN L191 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 133 [2019-09-20 16:42:27,332 WARN L191 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-20 16:42:28,329 WARN L191 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 133 [2019-09-20 16:42:28,692 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-20 16:42:29,067 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-20 16:42:29,412 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-20 16:42:30,403 WARN L191 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 133 [2019-09-20 16:42:31,413 WARN L191 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 133 [2019-09-20 16:42:31,765 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-20 16:42:32,745 WARN L191 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 133 [2019-09-20 16:42:32,750 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-20 16:42:32,753 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 109 for LOIs [2019-09-20 16:42:33,445 WARN L191 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2019-09-20 16:42:33,680 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 16:42:33,915 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 16:42:33,916 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 106 for LOIs [2019-09-20 16:42:33,924 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 107 for LOIs [2019-09-20 16:42:34,176 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-20 16:42:34,176 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 16:42:34,177 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 16:42:34,179 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 288#(and (<= |#t~string33.offset| 0) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= |#t~string31.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string22.offset|) (<= ~head~0.offset 0) (<= 0 |#t~string32.offset|) (<= |#t~string55.offset| 0) (<= 0 |#t~string67.offset|) (<= 0 ~switchedOnBeforeTS~0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (<= |#t~string24.offset| 0) (<= 0 |#t~string49.offset|) (<= |#t~string57.offset| 0) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 |#t~string45.offset|) (<= 0 ~methaneLevelCritical~0) (<= ~switchedOnBeforeTS~0 0) (<= |#t~string53.offset| 0) (<= 0 |#t~string41.offset|) (<= |#t~string45.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string47.offset| 0) (<= |#t~string65.offset| 0) (<= 0 |#t~string43.offset|) (<= 0 |#t~string65.offset|) (<= 0 |#t~string53.offset|) (<= |#t~string41.offset| 0) (<= |#t~string21.offset| 0) (<= |#t~string61.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= |#t~string43.offset| 0) (<= 0 |#t~string47.offset|) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string29.offset| 0) (<= |#t~string49.offset| 0) (<= 0 |#t~string55.offset|) (<= |#t~string19.offset| 0) (<= 0 |#t~string24.offset|) (<= 0 |#t~string57.offset|) (<= |#t~string20.offset| 0) (<= 0 |#t~string28.offset|)) [2019-09-20 16:42:34,191 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 16:42:34,192 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 16:42:34,193 INFO L168 Benchmark]: Toolchain (without parser) took 43883.71 ms. Allocated memory was 135.3 MB in the beginning and 504.9 MB in the end (delta: 369.6 MB). Free memory was 90.3 MB in the beginning and 176.8 MB in the end (delta: -86.5 MB). Peak memory consumption was 283.1 MB. Max. memory is 7.1 GB. [2019-09-20 16:42:34,194 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 135.3 MB. Free memory was 109.6 MB in the beginning and 109.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 16:42:34,195 INFO L168 Benchmark]: CACSL2BoogieTranslator took 709.95 ms. Allocated memory was 135.3 MB in the beginning and 201.3 MB in the end (delta: 66.1 MB). Free memory was 90.1 MB in the beginning and 166.2 MB in the end (delta: -76.2 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2019-09-20 16:42:34,196 INFO L168 Benchmark]: Boogie Preprocessor took 85.15 ms. Allocated memory is still 201.3 MB. Free memory was 166.2 MB in the beginning and 162.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-20 16:42:34,197 INFO L168 Benchmark]: RCFGBuilder took 1583.19 ms. Allocated memory was 201.3 MB in the beginning and 230.7 MB in the end (delta: 29.4 MB). Free memory was 162.0 MB in the beginning and 143.9 MB in the end (delta: 18.1 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. [2019-09-20 16:42:34,198 INFO L168 Benchmark]: Sifa took 41501.60 ms. Allocated memory was 230.7 MB in the beginning and 504.9 MB in the end (delta: 274.2 MB). Free memory was 143.9 MB in the beginning and 176.8 MB in the end (delta: -32.9 MB). Peak memory consumption was 241.3 MB. Max. memory is 7.1 GB. [2019-09-20 16:42:34,202 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 135.3 MB. Free memory was 109.6 MB in the beginning and 109.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 709.95 ms. Allocated memory was 135.3 MB in the beginning and 201.3 MB in the end (delta: 66.1 MB). Free memory was 90.1 MB in the beginning and 166.2 MB in the end (delta: -76.2 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.15 ms. Allocated memory is still 201.3 MB. Free memory was 166.2 MB in the beginning and 162.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1583.19 ms. Allocated memory was 201.3 MB in the beginning and 230.7 MB in the end (delta: 29.4 MB). Free memory was 162.0 MB in the beginning and 143.9 MB in the end (delta: 18.1 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. * Sifa took 41501.60 ms. Allocated memory was 230.7 MB in the beginning and 504.9 MB in the end (delta: 274.2 MB). Free memory was 143.9 MB in the beginning and 176.8 MB in the end (delta: -32.9 MB). Peak memory consumption was 241.3 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]: 41449, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 182, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 123, TOOLS_POST_TIME[ms]: 28304, TOOLS_POST_CALL_APPLICATIONS: 55, TOOLS_POST_CALL_TIME[ms]: 130, TOOLS_POST_RETURN_APPLICATIONS: 48, TOOLS_POST_RETURN_TIME[ms]: 52, TOOLS_QUANTIFIERELIM_APPLICATIONS: 225, TOOLS_QUANTIFIERELIM_TIME[ms]: 28398, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 28245, FLUID_QUERY_TIME[ms]: 9, FLUID_QUERIES: 186, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 58, DOMAIN_JOIN_TIME[ms]: 12676, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 8, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 13, DOMAIN_ISBOTTOM_APPLICATIONS: 33, DOMAIN_ISBOTTOM_TIME[ms]: 127, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 8502, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 8502, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 48, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 28947, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 28947, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 33, DAG_COMPRESSION_PROCESSED_NODES: 359, DAG_COMPRESSION_RETAINED_NODES: 185 - 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 288#(and (<= |#t~string33.offset| 0) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= |#t~string31.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string22.offset|) (<= ~head~0.offset 0) (<= 0 |#t~string32.offset|) (<= |#t~string55.offset| 0) (<= 0 |#t~string67.offset|) (<= 0 ~switchedOnBeforeTS~0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (<= |#t~string24.offset| 0) (<= 0 |#t~string49.offset|) (<= |#t~string57.offset| 0) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 |#t~string45.offset|) (<= 0 ~methaneLevelCritical~0) (<= ~switchedOnBeforeTS~0 0) (<= |#t~string53.offset| 0) (<= 0 |#t~string41.offset|) (<= |#t~string45.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string47.offset| 0) (<= |#t~string65.offset| 0) (<= 0 |#t~string43.offset|) (<= 0 |#t~string65.offset|) (<= 0 |#t~string53.offset|) (<= |#t~string41.offset| 0) (<= |#t~string21.offset| 0) (<= |#t~string61.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= |#t~string43.offset| 0) (<= 0 |#t~string47.offset|) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string29.offset| 0) (<= |#t~string49.offset| 0) (<= 0 |#t~string55.offset|) (<= |#t~string19.offset| 0) (<= 0 |#t~string24.offset|) (<= 0 |#t~string57.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...