java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.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 [2019-09-20 15:52:24,345 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:52:24,348 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:52:24,370 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:52:24,370 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:52:24,372 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:52:24,374 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:52:24,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:52:24,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:52:24,392 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:52:24,393 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:52:24,394 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:52:24,394 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:52:24,399 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:52:24,401 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:52:24,403 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:52:24,404 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:52:24,408 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:52:24,411 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:52:24,415 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:52:24,416 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:52:24,419 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:52:24,422 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:52:24,423 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:52:24,425 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:52:24,426 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:52:24,426 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:52:24,429 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:52:24,430 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:52:24,433 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:52:24,433 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:52:24,434 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:52:24,435 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:52:24,436 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:52:24,439 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:52:24,440 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:52:24,440 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:52:24,440 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:52:24,441 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:52:24,441 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:52:24,442 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:52:24,443 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 15:52:24,457 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:52:24,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:52:24,459 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:52:24,459 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:52:24,460 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:52:24,460 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:52:24,460 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:52:24,460 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:52:24,460 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:52:24,461 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:52:24,461 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:52:24,461 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:52:24,461 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:52:24,461 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:52:24,462 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:52:24,462 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:52:24,462 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:52:24,462 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:52:24,463 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:52:24,463 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:52:24,463 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:52:24,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:52:24,463 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:52:24,464 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:52:24,464 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:52:24,464 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:52:24,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:52:24,465 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:52:24,465 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-20 15:52:24,496 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:52:24,508 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:52:24,512 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:52:24,514 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:52:24,514 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:52:24,515 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product21.cil.c [2019-09-20 15:52:24,596 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/596b4f7e9/37e958d153bd4d9ca8ac96878e1c88a7/FLAG0a0c73c9c [2019-09-20 15:52:25,168 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:52:25,169 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product21.cil.c [2019-09-20 15:52:25,183 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/596b4f7e9/37e958d153bd4d9ca8ac96878e1c88a7/FLAG0a0c73c9c [2019-09-20 15:52:25,421 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/596b4f7e9/37e958d153bd4d9ca8ac96878e1c88a7 [2019-09-20 15:52:25,432 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:52:25,433 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:52:25,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:52:25,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:52:25,437 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:52:25,438 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:52:25" (1/1) ... [2019-09-20 15:52:25,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a928e2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:25, skipping insertion in model container [2019-09-20 15:52:25,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:52:25" (1/1) ... [2019-09-20 15:52:25,447 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:52:25,504 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:52:25,987 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:52:26,001 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:52:26,092 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:52:26,127 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:52:26,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:26 WrapperNode [2019-09-20 15:52:26,129 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:52:26,130 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:52:26,130 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:52:26,130 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:52:26,143 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:26" (1/1) ... [2019-09-20 15:52:26,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:26" (1/1) ... [2019-09-20 15:52:26,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:26" (1/1) ... [2019-09-20 15:52:26,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:26" (1/1) ... [2019-09-20 15:52:26,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:26" (1/1) ... [2019-09-20 15:52:26,216 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:26" (1/1) ... [2019-09-20 15:52:26,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:26" (1/1) ... [2019-09-20 15:52:26,234 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:52:26,235 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:52:26,235 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:52:26,235 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:52:26,239 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:26" (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 15:52:26,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:52:26,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:52:26,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:52:26,295 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:52:26,295 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:52:26,295 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 15:52:26,295 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:52:26,295 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:52:26,296 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:52:26,296 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:52:26,296 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:52:26,296 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:52:26,296 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:52:26,296 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:52:26,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:52:26,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:52:26,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:52:26,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:52:26,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:52:26,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:52:26,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:52:26,298 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:52:26,298 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:52:26,298 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:52:26,298 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:52:26,298 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:52:26,299 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:52:26,299 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:52:26,299 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:52:26,299 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:52:26,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 15:52:26,299 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:52:26,300 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:52:26,300 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:52:26,300 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:52:26,300 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:52:26,300 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:52:26,300 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:52:26,301 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:52:26,301 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:52:26,301 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:52:26,301 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:52:26,301 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:52:26,301 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:52:26,302 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:52:26,302 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:52:26,302 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:52:26,302 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:52:26,302 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:52:26,302 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:52:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 15:52:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:52:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:52:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:52:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 15:52:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:52:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:52:26,304 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:52:26,304 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:52:26,304 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:52:26,304 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:52:26,304 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:52:26,305 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:52:26,305 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:52:26,305 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:52:26,305 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:52:26,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:52:26,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:52:26,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:52:26,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:52:26,306 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:52:26,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:52:26,306 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:52:26,306 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:52:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:52:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:52:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:52:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:52:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:52:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:52:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:52:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:52:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:52:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:52:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:52:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:52:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:52:26,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:52:26,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:52:26,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:52:27,932 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:52:27,933 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:52:27,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:52:27 BoogieIcfgContainer [2019-09-20 15:52:27,935 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:52:27,936 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:52:27,936 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:52:27,936 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:52:27,938 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:52:27" (1/1) ... [2019-09-20 15:52:27,939 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ 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 [2019-09-20 15:52:27,969 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:52:27,970 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:52:27,984 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:52:28,001 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:52:28,004 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:52:38,044 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-20 15:52:39,667 WARN L191 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:52:39,822 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:52:39,945 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:52:40,080 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:52:40,095 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 478 for LOIs [2019-09-20 15:52:40,135 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 478 for LOIs [2019-09-20 15:52:40,141 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 478 for LOIs [2019-09-20 15:52:40,324 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 482 [2019-09-20 15:52:40,476 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 482 [2019-09-20 15:52:40,995 WARN L191 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 502 [2019-09-20 15:52:41,330 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 502 [2019-09-20 15:52:41,624 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 502 [2019-09-20 15:52:41,876 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 502 [2019-09-20 15:52:42,201 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 504 [2019-09-20 15:52:42,643 WARN L191 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 504 [2019-09-20 15:52:43,462 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 544 DAG size of output: 544 [2019-09-20 15:52:43,639 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-20 15:52:43,791 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 544 DAG size of output: 544 [2019-09-20 15:52:43,925 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-20 15:52:44,072 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 549 [2019-09-20 15:52:44,236 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 549 [2019-09-20 15:52:44,522 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-09-20 15:52:44,774 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-09-20 15:52:45,005 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-09-20 15:52:45,191 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-09-20 15:52:45,374 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 544 DAG size of output: 532 [2019-09-20 15:52:46,120 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 549 [2019-09-20 15:52:46,387 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-09-20 15:52:46,582 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-09-20 15:52:46,764 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-09-20 15:52:46,970 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-09-20 15:52:46,995 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-20 15:52:46,997 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 498 for LOIs [2019-09-20 15:52:47,136 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 510 [2019-09-20 15:52:47,339 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 1 for LOIs [2019-09-20 15:52:47,342 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 15 for LOIs [2019-09-20 15:52:47,343 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:52:47,343 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:52:47,345 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 369#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-20 15:52:47,359 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:52:47,359 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:52:47,361 INFO L168 Benchmark]: Toolchain (without parser) took 21927.63 ms. Allocated memory was 134.7 MB in the beginning and 630.7 MB in the end (delta: 496.0 MB). Free memory was 90.2 MB in the beginning and 288.5 MB in the end (delta: -198.4 MB). Peak memory consumption was 297.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:47,362 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 134.7 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:52:47,363 INFO L168 Benchmark]: CACSL2BoogieTranslator took 694.99 ms. Allocated memory was 134.7 MB in the beginning and 201.3 MB in the end (delta: 66.6 MB). Free memory was 90.0 MB in the beginning and 167.3 MB in the end (delta: -77.3 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:47,364 INFO L168 Benchmark]: Boogie Preprocessor took 104.78 ms. Allocated memory is still 201.3 MB. Free memory was 167.3 MB in the beginning and 163.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:47,365 INFO L168 Benchmark]: RCFGBuilder took 1700.43 ms. Allocated memory was 201.3 MB in the beginning and 229.1 MB in the end (delta: 27.8 MB). Free memory was 163.0 MB in the beginning and 147.5 MB in the end (delta: 15.6 MB). Peak memory consumption was 87.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:47,366 INFO L168 Benchmark]: Sifa took 19423.65 ms. Allocated memory was 229.1 MB in the beginning and 630.7 MB in the end (delta: 401.6 MB). Free memory was 147.5 MB in the beginning and 288.5 MB in the end (delta: -141.0 MB). Peak memory consumption was 260.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:47,370 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 134.7 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 694.99 ms. Allocated memory was 134.7 MB in the beginning and 201.3 MB in the end (delta: 66.6 MB). Free memory was 90.0 MB in the beginning and 167.3 MB in the end (delta: -77.3 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.78 ms. Allocated memory is still 201.3 MB. Free memory was 167.3 MB in the beginning and 163.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1700.43 ms. Allocated memory was 201.3 MB in the beginning and 229.1 MB in the end (delta: 27.8 MB). Free memory was 163.0 MB in the beginning and 147.5 MB in the end (delta: 15.6 MB). Peak memory consumption was 87.3 MB. Max. memory is 7.1 GB. * Sifa took 19423.65 ms. Allocated memory was 229.1 MB in the beginning and 630.7 MB in the end (delta: 401.6 MB). Free memory was 147.5 MB in the beginning and 288.5 MB in the end (delta: -141.0 MB). Peak memory consumption was 260.6 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]: 19376, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 187, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 121, TOOLS_POST_TIME[ms]: 11804, TOOLS_POST_CALL_APPLICATIONS: 56, TOOLS_POST_CALL_TIME[ms]: 206, TOOLS_POST_RETURN_APPLICATIONS: 49, TOOLS_POST_RETURN_TIME[ms]: 110, TOOLS_QUANTIFIERELIM_APPLICATIONS: 225, TOOLS_QUANTIFIERELIM_TIME[ms]: 12007, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11716, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 189, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 63, DOMAIN_JOIN_TIME[ms]: 6857, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 23, DOMAIN_ISBOTTOM_APPLICATIONS: 36, DOMAIN_ISBOTTOM_TIME[ms]: 208, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 3582, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3581, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 49, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12209, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12208, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 35, 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 369#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...