java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain IntervalDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:14:33,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:14:33,417 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:14:33,437 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:14:33,437 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:14:33,438 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:14:33,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:14:33,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:14:33,443 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:14:33,444 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:14:33,445 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:14:33,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:14:33,446 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:14:33,447 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:14:33,449 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:14:33,450 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:14:33,450 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:14:33,451 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:14:33,453 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:14:33,455 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:14:33,457 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:14:33,459 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:14:33,460 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:14:33,461 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:14:33,464 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:14:33,464 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:14:33,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:14:33,465 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:14:33,465 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:14:33,466 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:14:33,467 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:14:33,467 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:14:33,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:14:33,469 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:14:33,470 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:14:33,470 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:14:33,471 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:14:33,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:14:33,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:14:33,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:14:33,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:14:33,473 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-21 09:14:33,497 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:14:33,498 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:14:33,499 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:14:33,499 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:14:33,499 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:14:33,500 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:14:33,500 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:14:33,500 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:14:33,500 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:14:33,501 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:14:33,501 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:14:33,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:14:33,501 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:14:33,501 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:14:33,502 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:14:33,502 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:14:33,502 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:14:33,502 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:14:33,502 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:14:33,503 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:14:33,503 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:14:33,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:14:33,503 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:14:33,503 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:14:33,504 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:14:33,504 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:14:33,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:14:33,504 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:14:33,504 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-21 09:14:33,536 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:14:33,555 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:14:33,558 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:14:33,562 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:14:33,563 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:14:33,563 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product01.cil.c [2019-09-21 09:14:33,641 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43d76408f/21d692e71cdc4c4a809df92edae28d33/FLAGd85152af9 [2019-09-21 09:14:34,177 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:14:34,182 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product01.cil.c [2019-09-21 09:14:34,200 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43d76408f/21d692e71cdc4c4a809df92edae28d33/FLAGd85152af9 [2019-09-21 09:14:34,544 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43d76408f/21d692e71cdc4c4a809df92edae28d33 [2019-09-21 09:14:34,554 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:14:34,555 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:14:34,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:14:34,556 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:14:34,559 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:14:34,560 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:14:34" (1/1) ... [2019-09-21 09:14:34,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@588428a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:14:34, skipping insertion in model container [2019-09-21 09:14:34,562 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:14:34" (1/1) ... [2019-09-21 09:14:34,569 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:14:34,621 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:14:35,051 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:14:35,076 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:14:35,203 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:14:35,235 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:14:35,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:14:35 WrapperNode [2019-09-21 09:14:35,236 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:14:35,237 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:14:35,237 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:14:35,237 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:14:35,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:14:35" (1/1) ... [2019-09-21 09:14:35,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:14:35" (1/1) ... [2019-09-21 09:14:35,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:14:35" (1/1) ... [2019-09-21 09:14:35,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:14:35" (1/1) ... [2019-09-21 09:14:35,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:14:35" (1/1) ... [2019-09-21 09:14:35,330 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:14:35" (1/1) ... [2019-09-21 09:14:35,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:14:35" (1/1) ... [2019-09-21 09:14:35,343 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:14:35,343 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:14:35,343 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:14:35,343 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:14:35,344 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:14:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:14:35,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:14:35,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:14:35,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-21 09:14:35,442 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-21 09:14:35,442 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-21 09:14:35,443 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-21 09:14:35,443 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-21 09:14:35,443 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-21 09:14:35,444 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-21 09:14:35,444 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-21 09:14:35,444 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-21 09:14:35,445 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-21 09:14:35,445 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-21 09:14:35,446 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-21 09:14:35,446 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-21 09:14:35,446 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-21 09:14:35,448 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-21 09:14:35,448 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-21 09:14:35,449 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-21 09:14:35,449 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:14:35,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-21 09:14:35,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-21 09:14:35,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-21 09:14:35,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-21 09:14:35,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-21 09:14:35,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-21 09:14:35,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-21 09:14:35,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-21 09:14:35,450 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-21 09:14:35,450 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-21 09:14:35,450 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-21 09:14:35,451 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-21 09:14:35,451 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-21 09:14:35,451 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-21 09:14:35,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-21 09:14:35,452 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:14:35,452 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:14:35,452 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-21 09:14:35,452 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-21 09:14:35,452 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-21 09:14:35,452 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-21 09:14:35,453 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-21 09:14:35,453 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-21 09:14:35,453 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-21 09:14:35,453 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-21 09:14:35,453 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-21 09:14:35,453 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-21 09:14:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-21 09:14:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-21 09:14:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 09:14:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-21 09:14:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-21 09:14:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-21 09:14:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-21 09:14:35,455 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-21 09:14:35,455 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-21 09:14:35,455 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-21 09:14:35,455 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-21 09:14:35,456 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-21 09:14:35,456 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-21 09:14:35,456 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-21 09:14:35,456 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-21 09:14:35,456 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:14:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-21 09:14:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-21 09:14:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 09:14:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 09:14:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-21 09:14:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 09:14:35,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 09:14:35,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 09:14:35,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 09:14:35,458 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-21 09:14:35,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 09:14:35,459 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-21 09:14:35,459 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-21 09:14:35,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 09:14:35,460 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-21 09:14:35,460 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-21 09:14:35,460 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-21 09:14:35,461 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-21 09:14:35,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:14:35,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-21 09:14:35,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:14:37,064 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:14:37,064 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-21 09:14:37,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:14:37 BoogieIcfgContainer [2019-09-21 09:14:37,066 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:14:37,066 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:14:37,067 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:14:37,067 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:14:37,068 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:14:37" (1/1) ... [2019-09-21 09:14:37,069 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:14:37,097 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:14:37,097 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:14:37,112 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:14:37,126 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:14:37,127 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:14:47,790 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-21 09:14:49,569 WARN L191 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-21 09:14:49,697 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-21 09:14:49,780 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 115 for LOIs [2019-09-21 09:14:49,827 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 115 for LOIs [2019-09-21 09:14:49,837 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 115 for LOIs [2019-09-21 09:14:50,861 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-21 09:14:50,867 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 110 for LOIs [2019-09-21 09:14:50,894 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 107 for LOIs [2019-09-21 09:14:50,904 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 107 for LOIs [2019-09-21 09:14:50,919 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:14:50,919 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:14:50,921 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 226#(and (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= ~systemActive~0 1) (<= 0 |#t~string52.offset|) (<= ~head~0.offset 0) (<= |#t~string52.offset| 0) (<= |#t~string16.offset| 0) (<= |#t~string55.offset| 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string46.offset|) (<= |#t~string56.offset| 0) (<= |#t~string57.offset| 0) (<= 0 |#t~string69.offset|) (<= ~pumpRunning~0 0) (<= 0 ~head~0.base) (<= 0 |#t~string6.offset|) (<= 0 |#t~string8.offset|) (<= |#NULL.offset| 0) (<= 0 |#t~string45.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= 0 |#t~string10.offset|) (<= |#t~string6.offset| 0) (<= |#t~string44.offset| 0) (<= |#t~string53.offset| 0) (<= |#t~string45.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string47.offset| 0) (<= |#t~string65.offset| 0) (<= 0 |#t~string2.offset|) (<= 0 |#t~string43.offset|) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string14.offset| 0) (<= 0 |#t~string53.offset|) (<= 0 |#t~string48.offset|) (<= |#t~string61.offset| 0) (<= 0 |#t~string54.offset|) (<= 0 |#NULL.offset|) (<= |#t~string69.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 ~pumpRunning~0) (<= |#t~string43.offset| 0) (<= 0 |#t~string16.offset|) (<= 0 |#t~string47.offset|) (<= 0 |#t~string4.offset|) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= 1 ~systemActive~0) (<= 0 |#t~string14.offset|) (<= |#t~string46.offset| 0) (<= 0 |#t~string12.offset|) (<= |#t~string48.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (<= |#t~string54.offset| 0) (<= |#t~string12.offset| 0) (<= |#t~string2.offset| 0) (<= 0 |#t~string55.offset|) (<= 0 ~methAndRunningLastTime~0) (<= 0 |#t~string57.offset|) (<= |#t~string4.offset| 0) (<= |#t~string8.offset| 0)) [2019-09-21 09:14:50,939 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:14:50,939 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:14:50,941 INFO L168 Benchmark]: Toolchain (without parser) took 16385.00 ms. Allocated memory was 138.4 MB in the beginning and 327.2 MB in the end (delta: 188.7 MB). Free memory was 85.3 MB in the beginning and 159.5 MB in the end (delta: -74.1 MB). Peak memory consumption was 114.6 MB. Max. memory is 7.1 GB. [2019-09-21 09:14:50,942 INFO L168 Benchmark]: CDTParser took 1.36 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 09:14:50,943 INFO L168 Benchmark]: CACSL2BoogieTranslator took 680.06 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 85.1 MB in the beginning and 163.1 MB in the end (delta: -78.0 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2019-09-21 09:14:50,944 INFO L168 Benchmark]: Boogie Preprocessor took 106.18 ms. Allocated memory is still 198.7 MB. Free memory was 163.1 MB in the beginning and 159.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-09-21 09:14:50,945 INFO L168 Benchmark]: RCFGBuilder took 1722.93 ms. Allocated memory was 198.7 MB in the beginning and 220.7 MB in the end (delta: 22.0 MB). Free memory was 159.4 MB in the beginning and 147.1 MB in the end (delta: 12.3 MB). Peak memory consumption was 92.4 MB. Max. memory is 7.1 GB. [2019-09-21 09:14:50,945 INFO L168 Benchmark]: Sifa took 13872.57 ms. Allocated memory was 220.7 MB in the beginning and 327.2 MB in the end (delta: 106.4 MB). Free memory was 147.1 MB in the beginning and 159.5 MB in the end (delta: -12.4 MB). Peak memory consumption was 94.1 MB. Max. memory is 7.1 GB. [2019-09-21 09:14:50,949 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.36 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 680.06 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 85.1 MB in the beginning and 163.1 MB in the end (delta: -78.0 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.18 ms. Allocated memory is still 198.7 MB. Free memory was 163.1 MB in the beginning and 159.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1722.93 ms. Allocated memory was 198.7 MB in the beginning and 220.7 MB in the end (delta: 22.0 MB). Free memory was 159.4 MB in the beginning and 147.1 MB in the end (delta: 12.3 MB). Peak memory consumption was 92.4 MB. Max. memory is 7.1 GB. * Sifa took 13872.57 ms. Allocated memory was 220.7 MB in the beginning and 327.2 MB in the end (delta: 106.4 MB). Free memory was 147.1 MB in the beginning and 159.5 MB in the end (delta: -12.4 MB). Peak memory consumption was 94.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 13825, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 147, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 102, TOOLS_POST_TIME[ms]: 12563, TOOLS_POST_CALL_APPLICATIONS: 39, TOOLS_POST_CALL_TIME[ms]: 119, TOOLS_POST_RETURN_APPLICATIONS: 32, TOOLS_POST_RETURN_TIME[ms]: 49, TOOLS_QUANTIFIERELIM_APPLICATIONS: 172, TOOLS_QUANTIFIERELIM_TIME[ms]: 12643, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12495, FLUID_QUERY_TIME[ms]: 10, FLUID_QUERIES: 151, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 49, DOMAIN_JOIN_TIME[ms]: 837, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 8, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 18, DOMAIN_ISBOTTOM_APPLICATIONS: 32, DOMAIN_ISBOTTOM_TIME[ms]: 80, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 760, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 759, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 32, CALL_SUMMARIZER_CACHE_MISSES: 16, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12621, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12620, 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: 363, DAG_COMPRESSION_RETAINED_NODES: 158 - UnprovableResult [Line: 851]: 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 226#(and (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= ~systemActive~0 1) (<= 0 |#t~string52.offset|) (<= ~head~0.offset 0) (<= |#t~string52.offset| 0) (<= |#t~string16.offset| 0) (<= |#t~string55.offset| 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string46.offset|) (<= |#t~string56.offset| 0) (<= |#t~string57.offset| 0) (<= 0 |#t~string69.offset|) (<= ~pumpRunning~0 0) (<= 0 ~head~0.base) (<= 0 |#t~string6.offset|) (<= 0 |#t~string8.offset|) (<= |#NULL.offset| 0) (<= 0 |#t~string45.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= 0 |#t~string10.offset|) (<= |#t~string6.offset| 0) (<= |#t~string44.offset| 0) (<= |#t~string53.offset| 0) (<= |#t~string45.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string47.offset| 0) (<= |#t~string65.offset| 0) (<= 0 |#t~string2.offset|) (<= 0 |#t~string43.offset|) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string14.offset| 0) (<= 0 |#t~string53.offset|) (<= 0 |#t~string48.offset|) (<= |#t~string61.offset| 0) (<= 0 |#t~string54.offset|) (<= 0 |#NULL.offset|) (<= |#t~string69.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 ~pumpRunning~0) (<= |#t~string43.offset| 0) (<= 0 |#t~string16.offset|) (<= 0 |#t~string47.offset|) (<= 0 |#t~string4.offset|) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= 1 ~systemActive~0) (<= 0 |#t~string14.offset|) (<= |#t~string46.offset| 0) (<= 0 |#t~string12.offset|) (<= |#t~string48.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (<= |#t~string54.offset| 0) (<= |#t~string12.offset| 0) (<= |#t~string2.offset| 0) (<= 0 |#t~string55.offset|) (<= 0 ~methAndRunningLastTime~0) (<= 0 |#t~string57.offset|) (<= |#t~string4.offset| 0) (<= |#t~string8.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...