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_spec1_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:48:00,297 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:48:00,300 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:48:00,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:48:00,326 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:48:00,328 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:48:00,331 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:48:00,343 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:48:00,347 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:48:00,348 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:48:00,349 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:48:00,352 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:48:00,352 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:48:00,355 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:48:00,358 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:48:00,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:48:00,362 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:48:00,365 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:48:00,366 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:48:00,371 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:48:00,374 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:48:00,376 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:48:00,380 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:48:00,381 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:48:00,383 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:48:00,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:48:00,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:48:00,387 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:48:00,389 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:48:00,391 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:48:00,391 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:48:00,392 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:48:00,393 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:48:00,394 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:48:00,399 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:48:00,399 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:48:00,400 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:48:00,400 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:48:00,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:48:00,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:48:00,402 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:48:00,404 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 15:48:00,427 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:48:00,427 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:48:00,430 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:48:00,430 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:48:00,430 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:48:00,430 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:48:00,431 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:48:00,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:48:00,431 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:48:00,431 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:48:00,432 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:48:00,433 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:48:00,433 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:48:00,434 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:48:00,434 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:48:00,434 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:48:00,434 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:48:00,434 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:48:00,435 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:48:00,435 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:48:00,435 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:48:00,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:48:00,435 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:48:00,436 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:48:00,436 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:48:00,436 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:48:00,436 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:48:00,436 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:48:00,437 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 15:48:00,495 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:48:00,515 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:48:00,521 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:48:00,522 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:48:00,523 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:48:00,523 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product25.cil.c [2019-09-20 15:48:00,597 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a7a80b89/379ade81c5994a10806ea4cd99a90113/FLAG296ea5996 [2019-09-20 15:48:01,107 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:48:01,108 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product25.cil.c [2019-09-20 15:48:01,132 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a7a80b89/379ade81c5994a10806ea4cd99a90113/FLAG296ea5996 [2019-09-20 15:48:01,445 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a7a80b89/379ade81c5994a10806ea4cd99a90113 [2019-09-20 15:48:01,455 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:48:01,456 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:48:01,458 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:48:01,458 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:48:01,461 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:48:01,463 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:48:01" (1/1) ... [2019-09-20 15:48:01,466 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e0db5b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:01, skipping insertion in model container [2019-09-20 15:48:01,466 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:48:01" (1/1) ... [2019-09-20 15:48:01,474 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:48:01,542 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:48:02,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:48:02,054 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:48:02,144 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:48:02,192 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:48:02,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:02 WrapperNode [2019-09-20 15:48:02,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:48:02,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:48:02,194 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:48:02,195 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:48:02,209 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:02" (1/1) ... [2019-09-20 15:48:02,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:02" (1/1) ... [2019-09-20 15:48:02,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:02" (1/1) ... [2019-09-20 15:48:02,229 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:02" (1/1) ... [2019-09-20 15:48:02,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:02" (1/1) ... [2019-09-20 15:48:02,281 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:02" (1/1) ... [2019-09-20 15:48:02,286 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:02" (1/1) ... [2019-09-20 15:48:02,293 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:48:02,294 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:48:02,294 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:48:02,294 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:48:02,295 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:02" (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 [2019-09-20 15:48:02,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:48:02,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:48:02,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:48:02,369 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:48:02,370 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:48:02,370 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:48:02,371 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:48:02,371 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:48:02,371 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:48:02,371 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:48:02,372 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:48:02,373 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:48:02,373 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:48:02,373 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:48:02,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-20 15:48:02,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:48:02,376 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:48:02,377 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:48:02,377 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:48:02,377 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 15:48:02,377 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:48:02,377 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:48:02,378 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:48:02,378 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:48:02,378 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:48:02,378 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:48:02,379 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:48:02,379 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:48:02,379 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:48:02,379 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:48:02,379 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:48:02,380 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:48:02,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:48:02,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:48:02,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:48:02,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:48:02,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:48:02,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:48:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:48:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:48:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:48:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:48:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:48:02,383 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:48:02,383 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:48:02,383 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:48:02,383 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:48:02,383 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:48:02,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:48:02,384 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:48:02,384 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:48:02,384 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:48:02,384 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:48:02,384 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:48:02,385 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:48:02,385 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-20 15:48:02,385 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:48:02,385 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:48:02,386 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:48:02,386 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:48:02,386 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:48:02,387 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:48:02,387 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:48:02,387 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 15:48:02,387 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:48:02,387 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:48:02,387 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:48:02,388 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:48:02,388 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:48:02,388 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:48:02,388 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:48:02,388 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:48:02,388 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:48:02,389 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:48:02,389 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:48:02,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:48:02,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:48:02,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:48:02,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:48:02,391 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:48:02,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:48:02,392 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:48:02,392 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:48:02,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:48:02,392 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:48:02,393 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:48:02,393 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:48:02,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:48:02,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:48:02,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:48:04,107 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:48:04,108 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:48:04,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:48:04 BoogieIcfgContainer [2019-09-20 15:48:04,111 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:48:04,111 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:48:04,111 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:48:04,112 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:48:04,113 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:48:04" (1/1) ... [2019-09-20 15:48:04,114 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 15:48:04,152 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:48:04,152 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:48:04,162 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:48:04,173 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:48:04,175 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:48:12,136 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-20 15:48:13,994 WARN L191 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:48:14,146 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:48:14,309 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:48:14,439 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:48:14,465 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 478 for LOIs [2019-09-20 15:48:14,520 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 478 for LOIs [2019-09-20 15:48:14,526 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 478 for LOIs [2019-09-20 15:48:14,711 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 482 [2019-09-20 15:48:14,845 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 482 [2019-09-20 15:48:15,405 WARN L191 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 514 [2019-09-20 15:48:15,789 WARN L191 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-20 15:48:16,092 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 514 [2019-09-20 15:48:16,395 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-20 15:48:16,727 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 516 [2019-09-20 15:48:17,017 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 516 [2019-09-20 15:48:17,154 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 523 DAG size of output: 523 [2019-09-20 15:48:17,717 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-20 15:48:17,856 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-20 15:48:17,971 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-20 15:48:18,114 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-20 15:48:18,440 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 553 DAG size of output: 547 [2019-09-20 15:48:18,670 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 547 [2019-09-20 15:48:18,918 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 549 [2019-09-20 15:48:19,109 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 549 [2019-09-20 15:48:19,283 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 514 [2019-09-20 15:48:19,690 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-20 15:48:19,978 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-20 15:48:20,276 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 550 [2019-09-20 15:48:20,470 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-09-20 15:48:20,706 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 552 [2019-09-20 15:48:20,907 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-09-20 15:48:20,926 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-20 15:48:20,929 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 493 for LOIs [2019-09-20 15:48:21,208 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 1 for LOIs [2019-09-20 15:48:21,212 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 16 for LOIs [2019-09-20 15:48:21,214 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:48:21,214 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:48:21,216 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 295#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))) [2019-09-20 15:48:21,231 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:48:21,238 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:48:21,242 INFO L168 Benchmark]: Toolchain (without parser) took 19783.93 ms. Allocated memory was 131.6 MB in the beginning and 675.8 MB in the end (delta: 544.2 MB). Free memory was 84.5 MB in the beginning and 416.0 MB in the end (delta: -331.5 MB). Peak memory consumption was 212.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:48:21,243 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 131.6 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:48:21,246 INFO L168 Benchmark]: CACSL2BoogieTranslator took 736.41 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 84.3 MB in the beginning and 162.9 MB in the end (delta: -78.7 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:48:21,247 INFO L168 Benchmark]: Boogie Preprocessor took 98.85 ms. Allocated memory is still 198.7 MB. Free memory was 162.9 MB in the beginning and 159.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:48:21,248 INFO L168 Benchmark]: RCFGBuilder took 1817.31 ms. Allocated memory was 198.7 MB in the beginning and 220.7 MB in the end (delta: 22.0 MB). Free memory was 159.2 MB in the beginning and 143.4 MB in the end (delta: 15.8 MB). Peak memory consumption was 92.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:48:21,250 INFO L168 Benchmark]: Sifa took 17127.03 ms. Allocated memory was 220.7 MB in the beginning and 675.8 MB in the end (delta: 455.1 MB). Free memory was 143.4 MB in the beginning and 416.0 MB in the end (delta: -272.5 MB). Peak memory consumption was 182.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:48:21,259 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 131.6 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 736.41 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 84.3 MB in the beginning and 162.9 MB in the end (delta: -78.7 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.85 ms. Allocated memory is still 198.7 MB. Free memory was 162.9 MB in the beginning and 159.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1817.31 ms. Allocated memory was 198.7 MB in the beginning and 220.7 MB in the end (delta: 22.0 MB). Free memory was 159.2 MB in the beginning and 143.4 MB in the end (delta: 15.8 MB). Peak memory consumption was 92.2 MB. Max. memory is 7.1 GB. * Sifa took 17127.03 ms. Allocated memory was 220.7 MB in the beginning and 675.8 MB in the end (delta: 455.1 MB). Free memory was 143.4 MB in the beginning and 416.0 MB in the end (delta: -272.5 MB). Peak memory consumption was 182.6 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]: 17065, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 150, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 99, TOOLS_POST_TIME[ms]: 10006, TOOLS_POST_CALL_APPLICATIONS: 43, TOOLS_POST_CALL_TIME[ms]: 195, TOOLS_POST_RETURN_APPLICATIONS: 36, TOOLS_POST_RETURN_TIME[ms]: 100, TOOLS_QUANTIFIERELIM_APPLICATIONS: 177, TOOLS_QUANTIFIERELIM_TIME[ms]: 10190, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 9883, FLUID_QUERY_TIME[ms]: 11, FLUID_QUERIES: 152, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 50, DOMAIN_JOIN_TIME[ms]: 6409, 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: 30, DOMAIN_ISBOTTOM_TIME[ms]: 176, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 3124, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3123, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 36, CALL_SUMMARIZER_CACHE_MISSES: 19, CALL_SUMMARIZER_OVERALL_TIME[ms]: 10286, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10285, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 40, DAG_COMPRESSION_PROCESSED_NODES: 383, DAG_COMPRESSION_RETAINED_NODES: 176 - UnprovableResult [Line: 206]: 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 295#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...