java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product38.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 06:55:16,278 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 06:55:16,280 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 06:55:16,292 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 06:55:16,292 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 06:55:16,293 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 06:55:16,294 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 06:55:16,296 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 06:55:16,298 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 06:55:16,299 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 06:55:16,300 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 06:55:16,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 06:55:16,301 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 06:55:16,302 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 06:55:16,303 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 06:55:16,304 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 06:55:16,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 06:55:16,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 06:55:16,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 06:55:16,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 06:55:16,310 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 06:55:16,311 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 06:55:16,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 06:55:16,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 06:55:16,315 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 06:55:16,316 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 06:55:16,316 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 06:55:16,317 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 06:55:16,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 06:55:16,318 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 06:55:16,318 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 06:55:16,319 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 06:55:16,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 06:55:16,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 06:55:16,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 06:55:16,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 06:55:16,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 06:55:16,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 06:55:16,323 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 06:55:16,324 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 06:55:16,324 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 06:55:16,325 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 [2019-10-15 06:55:16,339 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 06:55:16,339 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 06:55:16,340 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 06:55:16,340 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 06:55:16,341 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 06:55:16,341 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 06:55:16,341 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 06:55:16,341 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 06:55:16,341 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 06:55:16,342 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 06:55:16,342 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 06:55:16,342 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 06:55:16,343 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 06:55:16,343 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 06:55:16,343 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 06:55:16,344 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 06:55:16,344 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 06:55:16,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 06:55:16,344 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 06:55:16,344 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 06:55:16,345 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 06:55:16,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 06:55:16,345 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 06:55:16,346 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 06:55:16,346 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 06:55:16,346 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 06:55:16,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 06:55:16,346 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 06:55:16,347 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 06:55:16,677 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 06:55:16,690 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 06:55:16,694 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 06:55:16,696 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 06:55:16,696 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 06:55:16,697 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product38.cil.c [2019-10-15 06:55:16,761 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de232697f/e82c68245422427fac0415b687e32ea9/FLAGd3c02c514 [2019-10-15 06:55:17,234 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 06:55:17,235 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product38.cil.c [2019-10-15 06:55:17,248 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de232697f/e82c68245422427fac0415b687e32ea9/FLAGd3c02c514 [2019-10-15 06:55:17,584 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de232697f/e82c68245422427fac0415b687e32ea9 [2019-10-15 06:55:17,594 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 06:55:17,596 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 06:55:17,597 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 06:55:17,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 06:55:17,600 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 06:55:17,601 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:55:17" (1/1) ... [2019-10-15 06:55:17,604 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a1dcce1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:55:17, skipping insertion in model container [2019-10-15 06:55:17,604 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:55:17" (1/1) ... [2019-10-15 06:55:17,611 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 06:55:17,673 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 06:55:18,129 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:55:18,148 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 06:55:18,248 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:55:18,285 INFO L192 MainTranslator]: Completed translation [2019-10-15 06:55:18,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:55:18 WrapperNode [2019-10-15 06:55:18,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 06:55:18,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 06:55:18,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 06:55:18,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 06:55:18,299 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:55:18" (1/1) ... [2019-10-15 06:55:18,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:55:18" (1/1) ... [2019-10-15 06:55:18,319 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:55:18" (1/1) ... [2019-10-15 06:55:18,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:55:18" (1/1) ... [2019-10-15 06:55:18,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:55:18" (1/1) ... [2019-10-15 06:55:18,365 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:55:18" (1/1) ... [2019-10-15 06:55:18,371 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:55:18" (1/1) ... [2019-10-15 06:55:18,384 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 06:55:18,386 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 06:55:18,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 06:55:18,387 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 06:55:18,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:55:18" (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 [2019-10-15 06:55:18,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 06:55:18,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 06:55:18,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 06:55:18,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 06:55:18,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-15 06:55:18,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-15 06:55:18,455 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 06:55:18,456 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 06:55:18,456 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 06:55:18,456 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 06:55:18,456 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 06:55:18,456 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 06:55:18,457 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 06:55:18,457 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 06:55:18,457 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 06:55:18,458 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 06:55:18,460 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 06:55:18,460 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 06:55:18,460 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 06:55:18,460 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 06:55:18,460 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-15 06:55:18,461 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 06:55:18,461 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 06:55:18,461 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 06:55:18,461 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 06:55:18,461 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 06:55:18,461 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 06:55:18,461 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 06:55:18,462 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 06:55:18,462 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 06:55:18,462 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 06:55:18,462 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 06:55:18,462 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 06:55:18,462 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 06:55:18,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 06:55:18,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 06:55:18,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 06:55:18,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 06:55:18,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 06:55:18,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 06:55:18,464 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 06:55:18,464 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 06:55:18,464 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 06:55:18,464 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 06:55:18,464 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 06:55:18,464 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 06:55:18,465 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-15 06:55:18,465 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-15 06:55:18,465 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 06:55:18,465 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 06:55:18,465 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 06:55:18,465 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 06:55:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 06:55:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 06:55:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 06:55:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 06:55:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 06:55:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 06:55:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 06:55:18,467 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-15 06:55:18,467 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 06:55:18,467 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 06:55:18,467 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 06:55:18,468 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 06:55:18,468 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 06:55:18,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 06:55:18,468 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 06:55:18,468 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 06:55:18,468 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 06:55:18,468 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 06:55:18,469 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 06:55:18,469 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 06:55:18,469 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 06:55:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 06:55:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 06:55:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 06:55:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 06:55:18,471 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 06:55:18,471 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 06:55:18,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 06:55:18,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 06:55:18,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 06:55:18,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 06:55:18,472 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 06:55:18,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 06:55:18,473 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 06:55:18,473 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 06:55:18,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 06:55:18,474 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 06:55:18,474 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 06:55:18,474 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 06:55:18,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 06:55:18,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 06:55:18,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 06:55:19,989 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 06:55:19,989 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 06:55:19,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:55:19 BoogieIcfgContainer [2019-10-15 06:55:19,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 06:55:19,991 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 06:55:19,991 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 06:55:19,992 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 06:55:19,993 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:55:19" (1/1) ... [2019-10-15 06:55:19,993 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-15 06:55:20,020 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 06:55:20,020 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 06:55:20,032 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 06:55:20,042 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 06:55:20,043 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 06:55:30,066 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-10-15 06:55:31,665 WARN L191 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-15 06:55:31,785 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-15 06:55:31,922 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-15 06:55:32,045 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-15 06:55:32,284 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 06:55:32,314 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 550 for LOIs [2019-10-15 06:55:32,394 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 548 for LOIs [2019-10-15 06:55:32,416 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 548 for LOIs [2019-10-15 06:55:32,710 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-15 06:55:32,910 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-15 06:55:33,494 WARN L191 SmtUtils]: Spent 523.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 06:55:33,740 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-10-15 06:55:34,480 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 607 [2019-10-15 06:55:34,798 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 607 [2019-10-15 06:55:35,335 WARN L191 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 608 DAG size of output: 608 [2019-10-15 06:55:36,297 WARN L191 SmtUtils]: Spent 898.00 ms on a formula simplification that was a NOOP. DAG size: 620 [2019-10-15 06:55:36,687 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2019-10-15 06:55:37,630 WARN L191 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 620 [2019-10-15 06:55:38,183 WARN L191 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 620 [2019-10-15 06:55:38,584 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 620 [2019-10-15 06:55:39,001 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 620 [2019-10-15 06:55:40,567 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-15 06:55:41,113 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-15 06:55:41,581 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-15 06:55:42,339 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 613 [2019-10-15 06:55:42,696 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2019-10-15 06:55:42,951 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-15 06:55:45,105 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 613 [2019-10-15 06:55:48,750 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-10-15 06:55:48,752 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 145 for LOIs [2019-10-15 06:55:49,052 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 135 for LOIs [2019-10-15 06:55:49,058 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 148 for LOIs [2019-10-15 06:55:49,121 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 06:55:49,133 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-15 06:55:49,133 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-15 06:55:49,135 INFO L168 Benchmark]: Toolchain (without parser) took 31539.49 ms. Allocated memory was 144.7 MB in the beginning and 799.5 MB in the end (delta: 654.8 MB). Free memory was 101.7 MB in the beginning and 756.3 MB in the end (delta: -654.6 MB). Peak memory consumption was 204.4 kB. Max. memory is 7.1 GB. [2019-10-15 06:55:49,136 INFO L168 Benchmark]: CDTParser took 1.16 ms. Allocated memory is still 144.7 MB. Free memory is still 120.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 06:55:49,137 INFO L168 Benchmark]: CACSL2BoogieTranslator took 689.32 ms. Allocated memory was 144.7 MB in the beginning and 201.9 MB in the end (delta: 57.1 MB). Free memory was 101.2 MB in the beginning and 169.3 MB in the end (delta: -68.1 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. [2019-10-15 06:55:49,138 INFO L168 Benchmark]: Boogie Preprocessor took 97.53 ms. Allocated memory is still 201.9 MB. Free memory was 169.3 MB in the beginning and 165.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-15 06:55:49,139 INFO L168 Benchmark]: RCFGBuilder took 1604.64 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 165.3 MB in the beginning and 150.0 MB in the end (delta: 15.3 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. [2019-10-15 06:55:49,140 INFO L168 Benchmark]: Sifa took 29142.34 ms. Allocated memory was 233.8 MB in the beginning and 799.5 MB in the end (delta: 565.7 MB). Free memory was 148.3 MB in the beginning and 756.3 MB in the end (delta: -608.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 06:55:49,143 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.16 ms. Allocated memory is still 144.7 MB. Free memory is still 120.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 689.32 ms. Allocated memory was 144.7 MB in the beginning and 201.9 MB in the end (delta: 57.1 MB). Free memory was 101.2 MB in the beginning and 169.3 MB in the end (delta: -68.1 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.53 ms. Allocated memory is still 201.9 MB. Free memory was 169.3 MB in the beginning and 165.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1604.64 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 165.3 MB in the beginning and 150.0 MB in the end (delta: 15.3 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. * Sifa took 29142.34 ms. Allocated memory was 233.8 MB in the beginning and 799.5 MB in the end (delta: 565.7 MB). Free memory was 148.3 MB in the beginning and 756.3 MB in the end (delta: -608.0 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 29101, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 454, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 300, TOOLS_POST_TIME[ms]: 11839, TOOLS_POST_CALL_APPLICATIONS: 122, TOOLS_POST_CALL_TIME[ms]: 310, TOOLS_POST_RETURN_APPLICATIONS: 115, TOOLS_POST_RETURN_TIME[ms]: 182, TOOLS_QUANTIFIERELIM_APPLICATIONS: 536, TOOLS_QUANTIFIERELIM_TIME[ms]: 12125, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11667, FLUID_QUERY_TIME[ms]: 22, FLUID_QUERIES: 472, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 121, DOMAIN_JOIN_TIME[ms]: 13918, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 7, DOMAIN_WIDEN_TIME[ms]: 2331, DOMAIN_ISSUBSETEQ_APPLICATIONS: 18, DOMAIN_ISSUBSETEQ_TIME[ms]: 63, DOMAIN_ISBOTTOM_APPLICATIONS: 72, DOMAIN_ISBOTTOM_TIME[ms]: 259, LOOP_SUMMARIZER_APPLICATIONS: 11, LOOP_SUMMARIZER_CACHE_MISSES: 11, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 11775, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11774, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 18, CALL_SUMMARIZER_APPLICATIONS: 115, CALL_SUMMARIZER_CACHE_MISSES: 26, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12483, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12482, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 45, DAG_COMPRESSION_PROCESSED_NODES: 520, DAG_COMPRESSION_RETAINED_NODES: 293 - UnprovableResult [Line: 44]: 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 1330#(and (not (= 0 ~methAndRunningLastTime~0)) (<= |#t~string58.offset| 0) (<= |#t~string33.offset| 0) (= |#t~string61.offset| 0) (<= 0 |#t~string35.offset|) (= |#t~string7.offset| 0) (<= 0 |#NULL.base|) (= |#t~string15.offset| 0) (<= |#t~string67.offset| 0) (= |#t~string35.offset| 0) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (= |#t~string9.offset| 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string60.offset|) (= |#NULL.base| 0) (<= |#t~string57.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (= |#t~string13.offset| 0) (<= |#t~string13.offset| 0) (<= |#t~string15.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= |#t~string11.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string65.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (<= |#t~string66.offset| 0) (<= 0 |#t~string9.offset|) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (<= 0 |#t~string15.offset|) (<= 0 |#t~string33.offset|) (<= 0 |#NULL.offset|) (= |#t~string66.offset| 0) (<= |#t~string60.offset| 0) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (not (= 0 ~methaneLevelCritical~0)) (= ~cleanupTimeShifts~0 4) (<= ~methAndRunningLastTime~0 1) (= |#t~string68.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (= |#t~string33.offset| 0) (<= |#NULL.base| 0) (<= 1 ~systemActive~0) (<= |#t~string17.offset| 0) (<= 4 ~cleanupTimeShifts~0) (= |#t~string31.offset| 0) (= |#t~string70.offset| 0) (<= |#t~string68.offset| 0) (= |#t~string69.offset| 0) (= |#NULL.offset| 0) (<= 0 |#t~string57.offset|) (= |#t~string21.offset| 0) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#t~string70.offset|) (<= 0 |#t~string17.offset|) (<= |#t~string31.offset| 0) (not (= ~pumpRunning~0 0)) (<= 0 |#t~string11.offset|) (<= |#t~string70.offset| 0) (<= |#t~string56.offset| 0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (= |#t~string65.offset| 0) (<= 0 |#t~string69.offset|) (<= |#NULL.offset| 0) (<= |#t~string7.offset| 0) (<= |#t~string9.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (<= |#t~string35.offset| 0) (= |#t~string11.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= 0 |#t~string7.offset|) (<= |#t~string21.offset| 0) (<= |#t~string61.offset| 0) (<= |#t~string59.offset| 0) (= |#t~string58.offset| 0) (<= |#t~string69.offset| 0) (<= |#t~string37.offset| 0) (= |#t~string19.offset| 0) (= |#t~string59.offset| 0) (<= 0 |#t~string29.offset|) (<= 0 |#t~string13.offset|) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string37.offset|) (<= 0 |#t~string66.offset|) (<= 0 |#t~string31.offset|) (= |#t~string60.offset| 0) (= |#t~string37.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string19.offset| 0) (<= 0 ~methAndRunningLastTime~0) (= |#t~string17.offset| 0) (<= 0 |#t~string58.offset|) (<= 0 |#t~string68.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...