/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 10:44:00,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 10:44:00,308 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 10:44:00,320 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 10:44:00,320 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 10:44:00,321 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 10:44:00,322 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 10:44:00,326 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 10:44:00,328 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 10:44:00,329 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 10:44:00,332 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 10:44:00,333 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 10:44:00,333 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 10:44:00,334 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 10:44:00,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 10:44:00,340 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 10:44:00,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 10:44:00,344 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 10:44:00,349 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 10:44:00,353 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 10:44:00,355 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 10:44:00,358 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 10:44:00,359 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 10:44:00,360 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 10:44:00,365 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 10:44:00,365 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 10:44:00,365 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 10:44:00,367 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 10:44:00,367 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 10:44:00,368 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 10:44:00,368 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 10:44:00,373 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 10:44:00,374 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 10:44:00,375 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 10:44:00,376 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 10:44:00,377 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 10:44:00,377 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 10:44:00,377 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 10:44:00,378 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 10:44:00,379 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 10:44:00,380 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 10:44:00,382 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 10:44:00,400 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 10:44:00,400 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 10:44:00,401 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 10:44:00,401 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 10:44:00,402 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 10:44:00,402 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 10:44:00,402 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 10:44:00,402 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 10:44:00,403 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 10:44:00,403 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 10:44:00,403 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 10:44:00,403 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 10:44:00,403 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 10:44:00,404 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 10:44:00,404 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 10:44:00,404 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 10:44:00,404 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 10:44:00,404 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 10:44:00,405 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 10:44:00,405 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 10:44:00,405 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 10:44:00,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:44:00,405 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 10:44:00,406 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 10:44:00,406 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 10:44:00,406 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 10:44:00,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 10:44:00,407 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 10:44:00,407 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 10:44:00,680 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 10:44:00,701 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 10:44:00,705 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 10:44:00,706 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 10:44:00,707 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 10:44:00,708 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product30.cil.c [2019-11-07 10:44:00,782 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34e3cfc07/63e12f9b24014c8b98500471bcf7bdfc/FLAG7df6bb009 [2019-11-07 10:44:01,313 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 10:44:01,317 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product30.cil.c [2019-11-07 10:44:01,340 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34e3cfc07/63e12f9b24014c8b98500471bcf7bdfc/FLAG7df6bb009 [2019-11-07 10:44:01,644 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34e3cfc07/63e12f9b24014c8b98500471bcf7bdfc [2019-11-07 10:44:01,654 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 10:44:01,656 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 10:44:01,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 10:44:01,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 10:44:01,661 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 10:44:01,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:44:01" (1/1) ... [2019-11-07 10:44:01,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ab269bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:44:01, skipping insertion in model container [2019-11-07 10:44:01,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:44:01" (1/1) ... [2019-11-07 10:44:01,671 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 10:44:01,725 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 10:44:02,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:44:02,126 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 10:44:02,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:44:02,271 INFO L192 MainTranslator]: Completed translation [2019-11-07 10:44:02,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:44:02 WrapperNode [2019-11-07 10:44:02,272 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 10:44:02,273 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 10:44:02,273 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 10:44:02,273 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 10:44:02,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:44:02" (1/1) ... [2019-11-07 10:44:02,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:44:02" (1/1) ... [2019-11-07 10:44:02,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:44:02" (1/1) ... [2019-11-07 10:44:02,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:44:02" (1/1) ... [2019-11-07 10:44:02,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:44:02" (1/1) ... [2019-11-07 10:44:02,342 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:44:02" (1/1) ... [2019-11-07 10:44:02,347 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:44:02" (1/1) ... [2019-11-07 10:44:02,355 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 10:44:02,356 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 10:44:02,356 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 10:44:02,356 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 10:44:02,357 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:44:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:44:02,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 10:44:02,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 10:44:02,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 10:44:02,416 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 10:44:02,416 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 10:44:02,417 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 10:44:02,417 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 10:44:02,418 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 10:44:02,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 10:44:02,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 10:44:02,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 10:44:02,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 10:44:02,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 10:44:02,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 10:44:02,420 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 10:44:02,420 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 10:44:02,421 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 10:44:02,422 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 10:44:02,422 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 10:44:02,422 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 10:44:02,422 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 10:44:02,422 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 10:44:02,422 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 10:44:02,423 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 10:44:02,423 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-11-07 10:44:02,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 10:44:02,424 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 10:44:02,424 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 10:44:02,424 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-11-07 10:44:02,424 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 10:44:02,425 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-11-07 10:44:02,425 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 10:44:02,425 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 10:44:02,426 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 10:44:02,426 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 10:44:02,426 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 10:44:02,426 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-11-07 10:44:02,426 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-11-07 10:44:02,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-11-07 10:44:02,426 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 10:44:02,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 10:44:02,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 10:44:02,427 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 10:44:02,427 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 10:44:02,427 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 10:44:02,427 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 10:44:02,428 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 10:44:02,428 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 10:44:02,428 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 10:44:02,428 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 10:44:02,428 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 10:44:02,428 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 10:44:02,428 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 10:44:02,429 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 10:44:02,429 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 10:44:02,429 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 10:44:02,429 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 10:44:02,429 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 10:44:02,429 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 10:44:02,429 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 10:44:02,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 10:44:02,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 10:44:02,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 10:44:02,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 10:44:02,431 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 10:44:02,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 10:44:02,431 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 10:44:02,431 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 10:44:02,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 10:44:02,431 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 10:44:02,432 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 10:44:02,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 10:44:02,432 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 10:44:02,433 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 10:44:02,433 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 10:44:02,433 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 10:44:02,433 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 10:44:02,434 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 10:44:02,434 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-11-07 10:44:02,434 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 10:44:02,435 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 10:44:02,435 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 10:44:02,435 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 10:44:02,436 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-11-07 10:44:02,436 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-11-07 10:44:02,436 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 10:44:02,437 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 10:44:02,438 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-11-07 10:44:02,438 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-11-07 10:44:02,438 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 10:44:02,438 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-11-07 10:44:02,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 10:44:02,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 10:44:02,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 10:44:04,083 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 10:44:04,084 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 10:44:04,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:44:04 BoogieIcfgContainer [2019-11-07 10:44:04,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 10:44:04,086 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 10:44:04,086 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 10:44:04,086 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 10:44:04,087 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:44:04" (1/1) ... [2019-11-07 10:44:04,088 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-07 10:44:04,126 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 10:44:04,126 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 10:44:04,137 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 10:44:04,147 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 10:44:04,149 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 10:44:12,871 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-11-07 10:44:14,694 WARN L191 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-11-07 10:44:14,840 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-11-07 10:44:14,883 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-11-07 10:44:14,934 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-11-07 10:44:14,941 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-11-07 10:44:15,421 WARN L191 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-11-07 10:44:15,965 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-11-07 10:44:16,182 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 182 [2019-11-07 10:44:16,480 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 204 [2019-11-07 10:44:16,830 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-07 10:44:17,329 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-07 10:44:17,447 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-07 10:44:17,647 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 179 [2019-11-07 10:44:17,923 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 205 [2019-11-07 10:44:18,359 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-07 10:44:19,133 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 179 [2019-11-07 10:44:19,341 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 625 DAG size of output: 618 [2019-11-07 10:44:19,645 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 625 DAG size of output: 618 [2019-11-07 10:44:19,822 INFO L197 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-11-07 10:44:19,824 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 143 for LOIs [2019-11-07 10:44:20,130 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 130 for LOIs [2019-11-07 10:44:20,140 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 143 for LOIs [2019-11-07 10:44:20,140 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 10:44:20,157 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 10:44:20,157 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 10:44:20,159 INFO L168 Benchmark]: Toolchain (without parser) took 18503.35 ms. Allocated memory was 137.9 MB in the beginning and 481.8 MB in the end (delta: 343.9 MB). Free memory was 101.5 MB in the beginning and 240.2 MB in the end (delta: -138.7 MB). Peak memory consumption was 205.3 MB. Max. memory is 7.1 GB. [2019-11-07 10:44:20,160 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 137.9 MB. Free memory is still 120.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-07 10:44:20,161 INFO L168 Benchmark]: CACSL2BoogieTranslator took 615.27 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 101.5 MB in the beginning and 166.8 MB in the end (delta: -65.2 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2019-11-07 10:44:20,162 INFO L168 Benchmark]: Boogie Preprocessor took 82.88 ms. Allocated memory is still 201.9 MB. Free memory was 166.8 MB in the beginning and 162.4 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-11-07 10:44:20,163 INFO L168 Benchmark]: RCFGBuilder took 1729.74 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 162.4 MB in the beginning and 144.3 MB in the end (delta: 18.1 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. [2019-11-07 10:44:20,164 INFO L168 Benchmark]: Sifa took 16071.75 ms. Allocated memory was 233.8 MB in the beginning and 481.8 MB in the end (delta: 248.0 MB). Free memory was 144.3 MB in the beginning and 240.2 MB in the end (delta: -95.9 MB). Peak memory consumption was 152.1 MB. Max. memory is 7.1 GB. [2019-11-07 10:44:20,168 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 137.9 MB. Free memory is still 120.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 615.27 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 101.5 MB in the beginning and 166.8 MB in the end (delta: -65.2 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 82.88 ms. Allocated memory is still 201.9 MB. Free memory was 166.8 MB in the beginning and 162.4 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1729.74 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 162.4 MB in the beginning and 144.3 MB in the end (delta: 18.1 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. * Sifa took 16071.75 ms. Allocated memory was 233.8 MB in the beginning and 481.8 MB in the end (delta: 248.0 MB). Free memory was 144.3 MB in the beginning and 240.2 MB in the end (delta: -95.9 MB). Peak memory consumption was 152.1 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]: 16015, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 34, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 113, TOOLS_POST_TIME[ms]: 10680, TOOLS_POST_CALL_APPLICATIONS: 55, TOOLS_POST_CALL_TIME[ms]: 165, TOOLS_POST_RETURN_APPLICATIONS: 48, TOOLS_POST_RETURN_TIME[ms]: 77, TOOLS_QUANTIFIERELIM_APPLICATIONS: 215, TOOLS_QUANTIFIERELIM_TIME[ms]: 10825, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 10614, FLUID_QUERY_TIME[ms]: 15, FLUID_QUERIES: 206, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 32, DOMAIN_JOIN_TIME[ms]: 4606, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 211, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 8, DOMAIN_ISBOTTOM_APPLICATIONS: 34, DOMAIN_ISBOTTOM_TIME[ms]: 108, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2723, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2722, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 48, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 10793, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10793, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 34, DAG_COMPRESSION_PROCESSED_NODES: 485, DAG_COMPRESSION_RETAINED_NODES: 183 - UnprovableResult [Line: 643]: 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 442#(and (<= |#t~string58.offset| 0) (<= |#t~string33.offset| 0) (<= |#t~string22.offset| 0) (<= 0 |#NULL.base|) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string52.offset|) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (= |#t~string62.offset| 0) (= |#t~string46.offset| 0) (<= 0 |#t~string64.offset|) (= |#t~string32.offset| 0) (<= 0 |#t~string46.offset|) (<= 0 |#t~string60.offset|) (= |#t~string52.offset| 0) (= |#NULL.base| 0) (= |#t~string38.offset| 0) (<= |#t~string24.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= |#t~string64.offset| 0) (<= |#t~string40.offset| 0) (= |#t~string20.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (<= |#t~string66.offset| 0) (= |#t~string42.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#NULL.offset|) (= |#t~string66.offset| 0) (<= |#t~string60.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (not (= 0 ~methaneLevelCritical~0)) (= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 2147483647) (= |#t~string33.offset| 0) (<= 0 |#t~string38.offset|) (<= |#NULL.base| 0) (<= 1 ~systemActive~0) (<= |#t~string46.offset| 0) (<= 4 ~cleanupTimeShifts~0) (= |#t~string31.offset| 0) (<= |#t~string38.offset| 0) (= |#t~string40.offset| 0) (= |#NULL.offset| 0) (= |#t~string23.offset| 0) (= |#t~string21.offset| 0) (<= 0 |#t~string62.offset|) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= |#t~string31.offset| 0) (not (= ~pumpRunning~0 0)) (<= 0 |#t~string22.offset|) (= |#t~string28.offset| 0) (<= |#t~string52.offset| 0) (<= 0 |#t~string32.offset|) (= |#t~string30.offset| 0) (<= |#t~string56.offset| 0) (<= 0 |#t~string21.offset|) (<= |#NULL.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (<= |#t~string44.offset| 0) (= |#t~string24.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= 0 |#t~string56.offset|) (= |#t~string44.offset| 0) (<= |#t~string21.offset| 0) (<= |#t~string42.offset| 0) (= |#t~string54.offset| 0) (<= 0 |#t~string54.offset|) (<= 0 |#t~string23.offset|) (= |#t~string58.offset| 0) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (= |#t~string19.offset| 0) (<= 0 |#t~string29.offset|) (<= |#t~string62.offset| 0) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string66.offset|) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string19.offset| 0) (<= 0 |#t~string24.offset|) (<= 0 |#t~string58.offset|) (<= |#t~string20.offset| 0) (<= 0 |#t~string28.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...