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_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:16:56,439 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:16:56,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:16:56,459 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:16:56,459 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:16:56,460 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:16:56,462 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:16:56,464 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:16:56,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:16:56,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:16:56,467 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:16:56,468 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:16:56,469 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:16:56,470 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:16:56,471 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:16:56,472 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:16:56,473 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:16:56,474 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:16:56,475 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:16:56,477 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:16:56,479 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:16:56,480 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:16:56,481 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:16:56,485 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:16:56,488 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:16:56,488 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:16:56,489 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:16:56,490 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:16:56,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:16:56,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:16:56,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:16:56,494 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:16:56,495 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:16:56,496 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:16:56,497 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:16:56,497 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:16:56,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:16:56,498 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:16:56,498 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:16:56,499 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:16:56,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:16:56,501 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 [2019-09-21 09:16:56,525 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:16:56,525 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:16:56,526 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:16:56,527 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:16:56,527 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:16:56,528 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:16:56,528 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:16:56,528 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:16:56,528 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:16:56,528 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:16:56,529 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:16:56,529 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:16:56,529 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:16:56,529 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:16:56,529 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:16:56,529 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:16:56,530 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:16:56,530 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:16:56,531 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:16:56,532 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:16:56,532 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:16:56,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:16:56,532 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:16:56,533 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:16:56,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:16:56,533 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:16:56,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:16:56,534 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:16:56,534 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_QUICK [2019-09-21 09:16:56,567 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:16:56,580 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:16:56,583 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:16:56,585 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:16:56,586 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:16:56,587 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product21.cil.c [2019-09-21 09:16:56,648 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/023c59638/7dec30575b244f61a0b9468c3eb1134a/FLAG737bac558 [2019-09-21 09:16:57,172 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:16:57,173 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product21.cil.c [2019-09-21 09:16:57,190 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/023c59638/7dec30575b244f61a0b9468c3eb1134a/FLAG737bac558 [2019-09-21 09:16:57,479 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/023c59638/7dec30575b244f61a0b9468c3eb1134a [2019-09-21 09:16:57,488 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:16:57,489 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:16:57,490 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:16:57,490 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:16:57,494 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:16:57,495 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:16:57" (1/1) ... [2019-09-21 09:16:57,498 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@337b8df9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:57, skipping insertion in model container [2019-09-21 09:16:57,499 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:16:57" (1/1) ... [2019-09-21 09:16:57,505 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:16:57,560 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:16:58,009 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:16:58,022 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:16:58,104 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:16:58,148 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:16:58,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:58 WrapperNode [2019-09-21 09:16:58,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:16:58,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:16:58,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:16:58,150 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:16:58,162 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:58" (1/1) ... [2019-09-21 09:16:58,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:58" (1/1) ... [2019-09-21 09:16:58,186 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:58" (1/1) ... [2019-09-21 09:16:58,187 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:58" (1/1) ... [2019-09-21 09:16:58,214 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:58" (1/1) ... [2019-09-21 09:16:58,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:58" (1/1) ... [2019-09-21 09:16:58,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:58" (1/1) ... [2019-09-21 09:16:58,235 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:16:58,236 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:16:58,237 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:16:58,237 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:16:58,239 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:58" (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 [2019-09-21 09:16:58,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:16:58,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:16:58,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-21 09:16:58,299 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-21 09:16:58,299 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-21 09:16:58,299 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-21 09:16:58,300 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-21 09:16:58,300 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-21 09:16:58,300 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-21 09:16:58,300 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-21 09:16:58,300 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-21 09:16:58,300 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-21 09:16:58,301 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-21 09:16:58,301 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-21 09:16:58,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-21 09:16:58,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-21 09:16:58,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-21 09:16:58,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-21 09:16:58,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-21 09:16:58,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-21 09:16:58,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-21 09:16:58,302 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-21 09:16:58,302 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-21 09:16:58,302 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-21 09:16:58,303 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-21 09:16:58,303 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-21 09:16:58,303 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-21 09:16:58,303 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-21 09:16:58,303 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-21 09:16:58,304 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:16:58,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-21 09:16:58,304 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-21 09:16:58,304 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-21 09:16:58,304 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-21 09:16:58,304 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-21 09:16:58,305 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-21 09:16:58,305 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-21 09:16:58,305 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-21 09:16:58,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:16:58,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:16:58,305 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-21 09:16:58,305 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-21 09:16:58,306 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-21 09:16:58,306 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-21 09:16:58,306 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-21 09:16:58,306 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-21 09:16:58,306 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-21 09:16:58,306 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-21 09:16:58,307 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-21 09:16:58,307 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-21 09:16:58,307 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-21 09:16:58,307 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-21 09:16:58,307 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-21 09:16:58,307 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-21 09:16:58,307 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-21 09:16:58,308 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-21 09:16:58,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 09:16:58,308 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-21 09:16:58,308 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-21 09:16:58,308 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-21 09:16:58,308 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-21 09:16:58,309 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-21 09:16:58,309 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-21 09:16:58,309 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 09:16:58,309 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 09:16:58,309 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-21 09:16:58,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 09:16:58,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 09:16:58,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 09:16:58,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 09:16:58,310 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-21 09:16:58,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 09:16:58,310 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-21 09:16:58,311 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-21 09:16:58,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 09:16:58,311 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-21 09:16:58,311 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-21 09:16:58,311 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-21 09:16:58,311 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-21 09:16:58,311 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-21 09:16:58,312 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-21 09:16:58,312 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-21 09:16:58,312 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-21 09:16:58,312 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-21 09:16:58,312 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-21 09:16:58,312 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:16:58,313 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-21 09:16:58,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:16:58,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-21 09:16:58,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:16:59,925 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:16:59,925 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-21 09:16:59,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:16:59 BoogieIcfgContainer [2019-09-21 09:16:59,927 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:16:59,927 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:16:59,928 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:16:59,928 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:16:59,929 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:16:59" (1/1) ... [2019-09-21 09:16:59,930 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:16:59,958 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:16:59,958 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:16:59,968 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:16:59,979 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:16:59,981 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:17:10,319 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-21 09:17:12,010 WARN L191 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-21 09:17:12,148 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 09:17:12,199 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 112 for LOIs [2019-09-21 09:17:12,259 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 112 for LOIs [2019-09-21 09:17:12,263 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 112 for LOIs [2019-09-21 09:17:13,552 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-21 09:17:13,554 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 106 for LOIs [2019-09-21 09:17:13,654 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 100 for LOIs [2019-09-21 09:17:13,665 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 100 for LOIs [2019-09-21 09:17:13,681 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:17:13,681 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:17:13,683 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 333#(and (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string70.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string52.offset|) (<= ~head~0.offset 0) (<= |#t~string52.offset| 0) (<= |#t~string16.offset| 0) (<= 0 |#t~string64.offset|) (<= 0 |#t~string18.offset|) (<= |#t~string55.offset| 0) (<= 0 |#t~string46.offset|) (<= |#t~string70.offset| 0) (<= |#t~string56.offset| 0) (<= |#t~string51.offset| 0) (<= 0 |#t~string51.offset|) (<= 0 ~head~0.base) (<= 0 |#t~string6.offset|) (<= 0 |#t~string8.offset|) (<= |#NULL.offset| 0) (<= 0 |#t~string45.offset|) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= 0 |#t~string10.offset|) (<= |#t~string6.offset| 0) (<= |#t~string64.offset| 0) (<= |#t~string44.offset| 0) (<= |#t~string53.offset| 0) (<= |#t~string18.offset| 0) (<= |#t~string45.offset| 0) (<= |#t~string47.offset| 0) (<= 0 |#t~string43.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string14.offset| 0) (<= 0 |#t~string53.offset|) (<= |#t~string66.offset| 0) (<= |#t~string42.offset| 0) (<= 0 |#t~string54.offset|) (<= 0 |#NULL.offset|) (<= 0 |#t~string72.offset|) (<= ~cleanupTimeShifts~0 4) (<= |#t~string43.offset| 0) (<= 0 |#t~string16.offset|) (<= 0 |#t~string47.offset|) (<= 0 |#t~string4.offset|) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= 0 |#t~string66.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string14.offset|) (<= |#t~string46.offset| 0) (<= 0 |#t~string12.offset|) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (<= |#t~string54.offset| 0) (<= |#t~string12.offset| 0) (<= |#t~string72.offset| 0) (<= 0 |#t~string55.offset|) (<= |#t~string68.offset| 0) (<= |#t~string4.offset| 0) (<= 0 |#t~string68.offset|) (<= |#t~string8.offset| 0)) [2019-09-21 09:17:13,702 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:17:13,702 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:17:13,705 INFO L168 Benchmark]: Toolchain (without parser) took 16214.53 ms. Allocated memory was 137.9 MB in the beginning and 339.7 MB in the end (delta: 201.9 MB). Free memory was 83.0 MB in the beginning and 124.6 MB in the end (delta: -41.6 MB). Peak memory consumption was 160.3 MB. Max. memory is 7.1 GB. [2019-09-21 09:17:13,706 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 137.9 MB. Free memory was 102.7 MB in the beginning and 102.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-09-21 09:17:13,709 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.78 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 82.8 MB in the beginning and 163.9 MB in the end (delta: -81.2 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2019-09-21 09:17:13,711 INFO L168 Benchmark]: Boogie Preprocessor took 86.26 ms. Allocated memory is still 198.2 MB. Free memory was 163.9 MB in the beginning and 159.6 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-21 09:17:13,717 INFO L168 Benchmark]: RCFGBuilder took 1690.87 ms. Allocated memory was 198.2 MB in the beginning and 219.2 MB in the end (delta: 21.0 MB). Free memory was 159.6 MB in the beginning and 143.3 MB in the end (delta: 16.3 MB). Peak memory consumption was 94.3 MB. Max. memory is 7.1 GB. [2019-09-21 09:17:13,718 INFO L168 Benchmark]: Sifa took 13774.71 ms. Allocated memory was 219.2 MB in the beginning and 339.7 MB in the end (delta: 120.6 MB). Free memory was 143.3 MB in the beginning and 124.6 MB in the end (delta: 18.7 MB). Peak memory consumption was 139.3 MB. Max. memory is 7.1 GB. [2019-09-21 09:17:13,731 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 137.9 MB. Free memory was 102.7 MB in the beginning and 102.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 658.78 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 82.8 MB in the beginning and 163.9 MB in the end (delta: -81.2 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.26 ms. Allocated memory is still 198.2 MB. Free memory was 163.9 MB in the beginning and 159.6 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1690.87 ms. Allocated memory was 198.2 MB in the beginning and 219.2 MB in the end (delta: 21.0 MB). Free memory was 159.6 MB in the beginning and 143.3 MB in the end (delta: 16.3 MB). Peak memory consumption was 94.3 MB. Max. memory is 7.1 GB. * Sifa took 13774.71 ms. Allocated memory was 219.2 MB in the beginning and 339.7 MB in the end (delta: 120.6 MB). Free memory was 143.3 MB in the beginning and 124.6 MB in the end (delta: 18.7 MB). Peak memory consumption was 139.3 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]: 13726, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 213, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 139, TOOLS_POST_TIME[ms]: 12182, TOOLS_POST_CALL_APPLICATIONS: 62, TOOLS_POST_CALL_TIME[ms]: 190, TOOLS_POST_RETURN_APPLICATIONS: 55, TOOLS_POST_RETURN_TIME[ms]: 61, TOOLS_QUANTIFIERELIM_APPLICATIONS: 255, TOOLS_QUANTIFIERELIM_TIME[ms]: 12345, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12095, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 217, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 73, DOMAIN_JOIN_TIME[ms]: 1003, 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]: 12, DOMAIN_ISBOTTOM_APPLICATIONS: 42, DOMAIN_ISBOTTOM_TIME[ms]: 113, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 944, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 943, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 55, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12299, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12298, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 34, DAG_COMPRESSION_PROCESSED_NODES: 398, DAG_COMPRESSION_RETAINED_NODES: 192 - UnprovableResult [Line: 300]: 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 333#(and (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string70.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string52.offset|) (<= ~head~0.offset 0) (<= |#t~string52.offset| 0) (<= |#t~string16.offset| 0) (<= 0 |#t~string64.offset|) (<= 0 |#t~string18.offset|) (<= |#t~string55.offset| 0) (<= 0 |#t~string46.offset|) (<= |#t~string70.offset| 0) (<= |#t~string56.offset| 0) (<= |#t~string51.offset| 0) (<= 0 |#t~string51.offset|) (<= 0 ~head~0.base) (<= 0 |#t~string6.offset|) (<= 0 |#t~string8.offset|) (<= |#NULL.offset| 0) (<= 0 |#t~string45.offset|) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= 0 |#t~string10.offset|) (<= |#t~string6.offset| 0) (<= |#t~string64.offset| 0) (<= |#t~string44.offset| 0) (<= |#t~string53.offset| 0) (<= |#t~string18.offset| 0) (<= |#t~string45.offset| 0) (<= |#t~string47.offset| 0) (<= 0 |#t~string43.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string14.offset| 0) (<= 0 |#t~string53.offset|) (<= |#t~string66.offset| 0) (<= |#t~string42.offset| 0) (<= 0 |#t~string54.offset|) (<= 0 |#NULL.offset|) (<= 0 |#t~string72.offset|) (<= ~cleanupTimeShifts~0 4) (<= |#t~string43.offset| 0) (<= 0 |#t~string16.offset|) (<= 0 |#t~string47.offset|) (<= 0 |#t~string4.offset|) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= 0 |#t~string66.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string14.offset|) (<= |#t~string46.offset| 0) (<= 0 |#t~string12.offset|) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (<= |#t~string54.offset| 0) (<= |#t~string12.offset| 0) (<= |#t~string72.offset| 0) (<= 0 |#t~string55.offset|) (<= |#t~string68.offset| 0) (<= |#t~string4.offset| 0) (<= 0 |#t~string68.offset|) (<= |#t~string8.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...