java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain IntervalDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:16:24,695 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:16:24,697 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:16:24,714 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:16:24,715 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:16:24,716 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:16:24,718 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:16:24,728 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:16:24,730 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:16:24,731 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:16:24,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:16:24,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:16:24,733 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:16:24,734 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:16:24,735 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:16:24,736 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:16:24,737 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:16:24,737 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:16:24,739 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:16:24,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:16:24,742 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:16:24,743 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:16:24,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:16:24,745 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:16:24,747 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:16:24,748 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:16:24,748 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:16:24,749 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:16:24,749 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:16:24,750 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:16:24,750 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:16:24,751 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:16:24,752 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:16:24,752 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:16:24,753 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:16:24,754 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:16:24,754 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:16:24,754 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:16:24,755 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:16:24,756 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:16:24,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:16:24,757 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-21 09:16:24,771 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:16:24,771 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:16:24,773 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:16:24,773 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:16:24,773 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:16:24,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:16:24,773 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:16:24,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:16:24,774 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:16:24,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:16:24,774 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:16:24,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:16:24,775 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:16:24,775 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:16:24,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:16:24,775 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:16:24,775 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:16:24,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:16:24,776 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:16:24,776 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:16:24,776 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:16:24,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:16:24,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:16:24,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:16:24,777 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:16:24,777 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:16:24,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:16:24,778 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:16:24,778 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-21 09:16:24,814 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:16:24,825 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:16:24,829 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:16:24,830 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:16:24,830 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:16:24,831 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product01.cil.c [2019-09-21 09:16:24,891 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/add921122/1c768675e211472997dc0bf61fd22aac/FLAG6e733dd54 [2019-09-21 09:16:25,437 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:16:25,437 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product01.cil.c [2019-09-21 09:16:25,451 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/add921122/1c768675e211472997dc0bf61fd22aac/FLAG6e733dd54 [2019-09-21 09:16:25,731 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/add921122/1c768675e211472997dc0bf61fd22aac [2019-09-21 09:16:25,740 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:16:25,741 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:16:25,742 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:16:25,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:16:25,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:16:25,745 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:16:25" (1/1) ... [2019-09-21 09:16:25,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b3abfca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:25, skipping insertion in model container [2019-09-21 09:16:25,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:16:25" (1/1) ... [2019-09-21 09:16:25,755 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:16:25,810 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:16:26,184 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:16:26,198 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:16:26,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:16:26,337 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:16:26,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:26 WrapperNode [2019-09-21 09:16:26,337 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:16:26,338 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:16:26,338 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:16:26,338 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:16:26,353 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:26" (1/1) ... [2019-09-21 09:16:26,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:26" (1/1) ... [2019-09-21 09:16:26,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:26" (1/1) ... [2019-09-21 09:16:26,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:26" (1/1) ... [2019-09-21 09:16:26,426 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:26" (1/1) ... [2019-09-21 09:16:26,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:26" (1/1) ... [2019-09-21 09:16:26,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:26" (1/1) ... [2019-09-21 09:16:26,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:16:26,457 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:16:26,457 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:16:26,457 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:16:26,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:16:26,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:16:26,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:16:26,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-21 09:16:26,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-21 09:16:26,521 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-21 09:16:26,522 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-21 09:16:26,522 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-21 09:16:26,522 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-21 09:16:26,523 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-21 09:16:26,523 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-21 09:16:26,523 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-21 09:16:26,524 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-21 09:16:26,524 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:16:26,524 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-21 09:16:26,524 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-21 09:16:26,524 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-21 09:16:26,527 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-21 09:16:26,527 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-21 09:16:26,527 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-21 09:16:26,527 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-21 09:16:26,527 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-21 09:16:26,528 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-21 09:16:26,528 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-21 09:16:26,528 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-21 09:16:26,528 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-21 09:16:26,528 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-21 09:16:26,528 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-21 09:16:26,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-21 09:16:26,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-21 09:16:26,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-21 09:16:26,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-21 09:16:26,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-21 09:16:26,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-21 09:16:26,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-21 09:16:26,530 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:16:26,531 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:16:26,531 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-21 09:16:26,531 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-21 09:16:26,531 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-21 09:16:26,531 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-21 09:16:26,531 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-21 09:16:26,532 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-21 09:16:26,532 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-21 09:16:26,532 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-21 09:16:26,532 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-21 09:16:26,532 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-21 09:16:26,532 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-21 09:16:26,532 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-21 09:16:26,534 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-21 09:16:26,534 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-21 09:16:26,534 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-21 09:16:26,534 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:16:26,534 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-21 09:16:26,535 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-21 09:16:26,535 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-21 09:16:26,535 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-21 09:16:26,535 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-21 09:16:26,535 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-21 09:16:26,536 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-21 09:16:26,536 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-21 09:16:26,536 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-21 09:16:26,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 09:16:26,536 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-21 09:16:26,537 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-21 09:16:26,537 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 09:16:26,537 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 09:16:26,537 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-21 09:16:26,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 09:16:26,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 09:16:26,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 09:16:26,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 09:16:26,538 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-21 09:16:26,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 09:16:26,539 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-21 09:16:26,539 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-21 09:16:26,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 09:16:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-21 09:16:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-21 09:16:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-21 09:16:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:16:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-21 09:16:26,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:16:28,142 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:16:28,143 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-21 09:16:28,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:16:28 BoogieIcfgContainer [2019-09-21 09:16:28,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:16:28,145 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:16:28,145 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:16:28,146 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:16:28,147 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:16:28" (1/1) ... [2019-09-21 09:16:28,148 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:16:28,189 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:16:28,189 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:16:28,205 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:16:28,221 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:16:28,222 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:16:38,103 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-21 09:16:39,799 WARN L191 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-21 09:16:39,931 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 09:16:39,996 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 110 for LOIs [2019-09-21 09:16:40,043 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 110 for LOIs [2019-09-21 09:16:40,046 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 110 for LOIs [2019-09-21 09:16:42,078 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-21 09:16:42,083 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 105 for LOIs [2019-09-21 09:16:42,112 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 102 for LOIs [2019-09-21 09:16:42,119 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 102 for LOIs [2019-09-21 09:16:42,135 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:16:42,135 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:16:42,138 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 343#(and (<= |#t~string58.offset| 0) (<= 0 |#t~string62.offset|) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (<= |#t~string16.offset| 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string64.offset|) (<= 0 |#t~string18.offset|) (<= |#t~string55.offset| 0) (<= 0 |#t~string67.offset|) (<= |#t~string56.offset| 0) (<= |#t~string24.offset| 0) (<= |#t~string57.offset| 0) (<= 0 |#t~string26.offset|) (<= ~pumpRunning~0 0) (<= 0 ~head~0.base) (<= 0 |#t~string6.offset|) (<= 0 |#t~string8.offset|) (<= |#NULL.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string10.offset|) (<= |#t~string6.offset| 0) (<= |#t~string64.offset| 0) (<= |#t~string53.offset| 0) (<= |#t~string18.offset| 0) (<= |#t~string65.offset| 0) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string14.offset| 0) (<= 0 |#t~string53.offset|) (<= |#t~string66.offset| 0) (<= 0 |#t~string54.offset|) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= |#t~string62.offset| 0) (<= 0 ~pumpRunning~0) (<= 0 |#t~string16.offset|) (<= 0 |#t~string4.offset|) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= 0 |#t~string66.offset|) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string14.offset|) (<= 0 |#t~string12.offset|) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (<= |#t~string54.offset| 0) (<= |#t~string12.offset| 0) (<= 0 |#t~string55.offset|) (<= 0 |#t~string24.offset|) (<= 0 |#t~string58.offset|) (<= 0 |#t~string57.offset|) (<= |#t~string4.offset| 0) (<= |#t~string26.offset| 0) (<= |#t~string8.offset| 0) (<= 0 |#t~string28.offset|)) [2019-09-21 09:16:42,155 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:16:42,155 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:16:42,158 INFO L168 Benchmark]: Toolchain (without parser) took 16415.58 ms. Allocated memory was 133.2 MB in the beginning and 408.9 MB in the end (delta: 275.8 MB). Free memory was 84.0 MB in the beginning and 221.5 MB in the end (delta: -137.5 MB). Peak memory consumption was 138.3 MB. Max. memory is 7.1 GB. [2019-09-21 09:16:42,159 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 133.2 MB. Free memory was 103.5 MB in the beginning and 103.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 09:16:42,161 INFO L168 Benchmark]: CACSL2BoogieTranslator took 595.80 ms. Allocated memory was 133.2 MB in the beginning and 198.2 MB in the end (delta: 65.0 MB). Free memory was 83.8 MB in the beginning and 165.3 MB in the end (delta: -81.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2019-09-21 09:16:42,163 INFO L168 Benchmark]: Boogie Preprocessor took 118.60 ms. Allocated memory is still 198.2 MB. Free memory was 165.3 MB in the beginning and 158.9 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 7.1 GB. [2019-09-21 09:16:42,169 INFO L168 Benchmark]: RCFGBuilder took 1687.58 ms. Allocated memory was 198.2 MB in the beginning and 217.6 MB in the end (delta: 19.4 MB). Free memory was 158.9 MB in the beginning and 149.0 MB in the end (delta: 9.9 MB). Peak memory consumption was 95.0 MB. Max. memory is 7.1 GB. [2019-09-21 09:16:42,170 INFO L168 Benchmark]: Sifa took 14010.36 ms. Allocated memory was 217.6 MB in the beginning and 408.9 MB in the end (delta: 191.4 MB). Free memory was 149.0 MB in the beginning and 221.5 MB in the end (delta: -72.5 MB). Peak memory consumption was 118.9 MB. Max. memory is 7.1 GB. [2019-09-21 09:16:42,182 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 133.2 MB. Free memory was 103.5 MB in the beginning and 103.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 595.80 ms. Allocated memory was 133.2 MB in the beginning and 198.2 MB in the end (delta: 65.0 MB). Free memory was 83.8 MB in the beginning and 165.3 MB in the end (delta: -81.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.60 ms. Allocated memory is still 198.2 MB. Free memory was 165.3 MB in the beginning and 158.9 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1687.58 ms. Allocated memory was 198.2 MB in the beginning and 217.6 MB in the end (delta: 19.4 MB). Free memory was 158.9 MB in the beginning and 149.0 MB in the end (delta: 9.9 MB). Peak memory consumption was 95.0 MB. Max. memory is 7.1 GB. * Sifa took 14010.36 ms. Allocated memory was 217.6 MB in the beginning and 408.9 MB in the end (delta: 191.4 MB). Free memory was 149.0 MB in the beginning and 221.5 MB in the end (delta: -72.5 MB). Peak memory consumption was 118.9 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]: 13949, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 235, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 163, TOOLS_POST_TIME[ms]: 11763, TOOLS_POST_CALL_APPLICATIONS: 58, TOOLS_POST_CALL_TIME[ms]: 169, TOOLS_POST_RETURN_APPLICATIONS: 51, TOOLS_POST_RETURN_TIME[ms]: 72, TOOLS_QUANTIFIERELIM_APPLICATIONS: 271, TOOLS_QUANTIFIERELIM_TIME[ms]: 11892, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11645, FLUID_QUERY_TIME[ms]: 15, FLUID_QUERIES: 248, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 65, DOMAIN_JOIN_TIME[ms]: 1615, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 18, DOMAIN_ISSUBSETEQ_APPLICATIONS: 13, DOMAIN_ISSUBSETEQ_TIME[ms]: 68, DOMAIN_ISBOTTOM_APPLICATIONS: 29, DOMAIN_ISBOTTOM_TIME[ms]: 66, LOOP_SUMMARIZER_APPLICATIONS: 9, LOOP_SUMMARIZER_CACHE_MISSES: 9, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1471, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1471, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 13, CALL_SUMMARIZER_APPLICATIONS: 51, CALL_SUMMARIZER_CACHE_MISSES: 14, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11744, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11743, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 39, DAG_COMPRESSION_PROCESSED_NODES: 564, DAG_COMPRESSION_RETAINED_NODES: 194 - 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 343#(and (<= |#t~string58.offset| 0) (<= 0 |#t~string62.offset|) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (<= |#t~string16.offset| 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string64.offset|) (<= 0 |#t~string18.offset|) (<= |#t~string55.offset| 0) (<= 0 |#t~string67.offset|) (<= |#t~string56.offset| 0) (<= |#t~string24.offset| 0) (<= |#t~string57.offset| 0) (<= 0 |#t~string26.offset|) (<= ~pumpRunning~0 0) (<= 0 ~head~0.base) (<= 0 |#t~string6.offset|) (<= 0 |#t~string8.offset|) (<= |#NULL.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string10.offset|) (<= |#t~string6.offset| 0) (<= |#t~string64.offset| 0) (<= |#t~string53.offset| 0) (<= |#t~string18.offset| 0) (<= |#t~string65.offset| 0) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string14.offset| 0) (<= 0 |#t~string53.offset|) (<= |#t~string66.offset| 0) (<= 0 |#t~string54.offset|) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= |#t~string62.offset| 0) (<= 0 ~pumpRunning~0) (<= 0 |#t~string16.offset|) (<= 0 |#t~string4.offset|) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= 0 |#t~string66.offset|) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string14.offset|) (<= 0 |#t~string12.offset|) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (<= |#t~string54.offset| 0) (<= |#t~string12.offset| 0) (<= 0 |#t~string55.offset|) (<= 0 |#t~string24.offset|) (<= 0 |#t~string58.offset|) (<= 0 |#t~string57.offset|) (<= |#t~string4.offset| 0) (<= |#t~string26.offset| 0) (<= |#t~string8.offset| 0) (<= 0 |#t~string28.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...