java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK --sifa.max.parallel.explicit.values 4 --sifa.sizelimitfluid.max.disjunctions 16 -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product05.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:51:57,043 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:51:57,045 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:51:57,058 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:51:57,059 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:51:57,060 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:51:57,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:51:57,063 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:51:57,065 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:51:57,066 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:51:57,067 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:51:57,068 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:51:57,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:51:57,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:51:57,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:51:57,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:51:57,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:51:57,074 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:51:57,076 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:51:57,078 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:51:57,080 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:51:57,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:51:57,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:51:57,083 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:51:57,086 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:51:57,086 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:51:57,086 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:51:57,087 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:51:57,088 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:51:57,089 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:51:57,089 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:51:57,090 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:51:57,091 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:51:57,092 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:51:57,093 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:51:57,093 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:51:57,094 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:51:57,094 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:51:57,095 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:51:57,096 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:51:57,096 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:51:57,097 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 [2019-09-25 17:51:57,113 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:51:57,113 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:51:57,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:51:57,114 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:51:57,115 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:51:57,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:51:57,115 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:51:57,115 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:51:57,116 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:51:57,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:51:57,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:51:57,116 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:51:57,116 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:51:57,117 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:51:57,117 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:51:57,117 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:51:57,117 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:51:57,118 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:51:57,118 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:51:57,118 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:51:57,118 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:51:57,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:51:57,119 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:51:57,119 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:51:57,119 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:51:57,119 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:51:57,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:51:57,120 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:51:57,120 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Max. Parallel Explicit Values -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: SizeLimitFluid Max. Disjunctions -> 16 [2019-09-25 17:51:57,152 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:51:57,164 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:51:57,167 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:51:57,169 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:51:57,169 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:51:57,170 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product05.cil.c [2019-09-25 17:51:57,237 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/082bc28f2/08a307a41afc41ecb37b877c0a71d506/FLAG23b5dd6d9 [2019-09-25 17:51:57,724 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:51:57,725 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product05.cil.c [2019-09-25 17:51:57,738 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/082bc28f2/08a307a41afc41ecb37b877c0a71d506/FLAG23b5dd6d9 [2019-09-25 17:51:58,067 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/082bc28f2/08a307a41afc41ecb37b877c0a71d506 [2019-09-25 17:51:58,077 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:51:58,079 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:51:58,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:51:58,081 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:51:58,084 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:51:58,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:51:58" (1/1) ... [2019-09-25 17:51:58,089 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bb33164 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:51:58, skipping insertion in model container [2019-09-25 17:51:58,089 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:51:58" (1/1) ... [2019-09-25 17:51:58,097 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:51:58,173 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:51:58,730 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:51:58,758 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:51:58,851 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:51:58,886 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:51:58,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:51:58 WrapperNode [2019-09-25 17:51:58,887 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:51:58,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:51:58,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:51:58,888 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:51:58,902 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:51:58" (1/1) ... [2019-09-25 17:51:58,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:51:58" (1/1) ... [2019-09-25 17:51:58,919 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:51:58" (1/1) ... [2019-09-25 17:51:58,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:51:58" (1/1) ... [2019-09-25 17:51:58,952 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:51:58" (1/1) ... [2019-09-25 17:51:58,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:51:58" (1/1) ... [2019-09-25 17:51:58,967 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:51:58" (1/1) ... [2019-09-25 17:51:58,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:51:58,976 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:51:58,976 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:51:58,976 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:51:58,977 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:51:58" (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 [2019-09-25 17:51:59,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:51:59,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:51:59,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-25 17:51:59,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-25 17:51:59,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-25 17:51:59,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-25 17:51:59,038 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-25 17:51:59,038 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-25 17:51:59,038 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-25 17:51:59,039 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-25 17:51:59,039 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-25 17:51:59,039 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-25 17:51:59,039 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-25 17:51:59,039 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-25 17:51:59,039 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-25 17:51:59,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-25 17:51:59,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-25 17:51:59,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-25 17:51:59,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-25 17:51:59,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-25 17:51:59,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-25 17:51:59,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-25 17:51:59,041 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-25 17:51:59,041 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-25 17:51:59,041 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-25 17:51:59,041 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-25 17:51:59,041 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:51:59,042 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-25 17:51:59,042 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-25 17:51:59,042 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-25 17:51:59,042 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-25 17:51:59,042 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-25 17:51:59,042 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-25 17:51:59,043 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-25 17:51:59,043 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-25 17:51:59,043 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-25 17:51:59,043 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-25 17:51:59,043 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:51:59,043 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 17:51:59,044 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-25 17:51:59,044 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-25 17:51:59,044 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-25 17:51:59,044 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-25 17:51:59,044 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-25 17:51:59,044 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-25 17:51:59,045 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-25 17:51:59,045 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-25 17:51:59,045 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-25 17:51:59,045 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-25 17:51:59,045 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-25 17:51:59,045 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-25 17:51:59,046 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-25 17:51:59,046 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-25 17:51:59,046 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-25 17:51:59,046 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-25 17:51:59,046 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-25 17:51:59,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 17:51:59,047 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-25 17:51:59,047 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-25 17:51:59,047 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-25 17:51:59,047 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-25 17:51:59,047 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-25 17:51:59,047 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 17:51:59,048 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 17:51:59,048 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-25 17:51:59,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 17:51:59,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 17:51:59,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 17:51:59,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 17:51:59,049 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-25 17:51:59,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 17:51:59,049 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-25 17:51:59,049 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-25 17:51:59,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 17:51:59,049 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-25 17:51:59,049 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-25 17:51:59,050 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-25 17:51:59,050 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-25 17:51:59,050 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-25 17:51:59,050 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-25 17:51:59,050 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-25 17:51:59,050 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-25 17:51:59,051 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-25 17:51:59,051 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:51:59,051 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-25 17:51:59,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:51:59,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-25 17:51:59,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:52:00,546 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:52:00,547 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-25 17:52:00,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:52:00 BoogieIcfgContainer [2019-09-25 17:52:00,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:52:00,549 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:52:00,549 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:52:00,550 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:52:00,551 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:52:00" (1/1) ... [2019-09-25 17:52:00,551 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=4 ♦ 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=16 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 17:52:00,577 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:52:00,578 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:52:00,586 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:52:00,595 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:52:00,596 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:52:09,542 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-25 17:52:11,344 WARN L191 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-25 17:52:11,473 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:52:11,627 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:52:11,746 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:52:11,762 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 482 for LOIs [2019-09-25 17:52:11,815 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 482 for LOIs [2019-09-25 17:52:11,831 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 482 for LOIs [2019-09-25 17:52:12,333 WARN L191 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 503 [2019-09-25 17:52:12,787 WARN L191 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 503 [2019-09-25 17:52:13,385 WARN L191 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 526 [2019-09-25 17:52:13,639 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-25 17:52:13,998 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 529 [2019-09-25 17:52:14,527 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-25 17:52:15,303 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 549 [2019-09-25 17:52:15,852 WARN L191 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 552 [2019-09-25 17:52:16,266 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 552 [2019-09-25 17:52:16,703 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 552 [2019-09-25 17:52:17,023 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 552 [2019-09-25 17:52:17,307 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 552 [2019-09-25 17:52:17,680 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 510 DAG size of output: 507 [2019-09-25 17:52:17,782 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 507 [2019-09-25 17:52:17,978 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2019-09-25 17:52:18,903 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 510 DAG size of output: 507 [2019-09-25 17:52:19,087 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 507 [2019-09-25 17:52:19,525 WARN L191 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2019-09-25 17:52:19,980 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 510 DAG size of output: 507 [2019-09-25 17:52:20,310 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 529 [2019-09-25 17:52:20,719 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 510 DAG size of output: 507 [2019-09-25 17:52:20,868 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 507 [2019-09-25 17:52:21,035 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 510 [2019-09-25 17:52:21,178 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-25 17:52:21,189 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-25 17:52:21,192 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 82 for LOIs [2019-09-25 17:52:21,307 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 63 for LOIs [2019-09-25 17:52:21,315 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 80 for LOIs [2019-09-25 17:52:21,323 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:52:21,325 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:52:21,327 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 884#(and (= |#t~string8.offset| 0) (= |#t~string20.offset| 0) (= |#t~string55.offset| 0) (= |#t~string44.offset| 0) (= |#t~string56.offset| 0) (= |#t~string47.offset| 0) (= |#t~string57.offset| 0) (= ~switchedOnBeforeTS~0 0) (= |#t~string54.offset| 0) (= |#t~string10.offset| 0) (= |#t~string14.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (= |#t~string12.offset| 0) (= |#t~string46.offset| 0) (<= ~waterLevel~0 2147483647) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (= |#t~string52.offset| 0) (= |#t~string43.offset| 0) (= |#NULL.base| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string18.offset| 0) (= |#t~string48.offset| 0) (= |#t~string16.offset| 0) (= ~head~0.offset 0) (= |#t~string6.offset| 0) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (= |#t~string70.offset| 0) (not (= 2 ~waterLevel~0)) (= |#t~string45.offset| 0) (= |#NULL.offset| 0) (= |#t~string53.offset| 0)) [2019-09-25 17:52:21,344 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:52:21,344 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:52:21,347 INFO L168 Benchmark]: Toolchain (without parser) took 23267.11 ms. Allocated memory was 137.9 MB in the beginning and 669.0 MB in the end (delta: 531.1 MB). Free memory was 82.8 MB in the beginning and 343.7 MB in the end (delta: -260.9 MB). Peak memory consumption was 270.2 MB. Max. memory is 7.1 GB. [2019-09-25 17:52:21,356 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 137.9 MB. Free memory was 102.6 MB in the beginning and 102.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 17:52:21,357 INFO L168 Benchmark]: CACSL2BoogieTranslator took 806.77 ms. Allocated memory was 137.9 MB in the beginning and 199.2 MB in the end (delta: 61.3 MB). Free memory was 82.6 MB in the beginning and 165.6 MB in the end (delta: -83.0 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2019-09-25 17:52:21,358 INFO L168 Benchmark]: Boogie Preprocessor took 87.61 ms. Allocated memory is still 199.2 MB. Free memory was 165.6 MB in the beginning and 161.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-25 17:52:21,359 INFO L168 Benchmark]: RCFGBuilder took 1573.50 ms. Allocated memory was 199.2 MB in the beginning and 220.2 MB in the end (delta: 21.0 MB). Free memory was 161.8 MB in the beginning and 148.1 MB in the end (delta: 13.7 MB). Peak memory consumption was 95.4 MB. Max. memory is 7.1 GB. [2019-09-25 17:52:21,360 INFO L168 Benchmark]: Sifa took 20794.78 ms. Allocated memory was 220.2 MB in the beginning and 669.0 MB in the end (delta: 448.8 MB). Free memory was 148.1 MB in the beginning and 343.7 MB in the end (delta: -195.6 MB). Peak memory consumption was 253.2 MB. Max. memory is 7.1 GB. [2019-09-25 17:52:21,365 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 137.9 MB. Free memory was 102.6 MB in the beginning and 102.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 806.77 ms. Allocated memory was 137.9 MB in the beginning and 199.2 MB in the end (delta: 61.3 MB). Free memory was 82.6 MB in the beginning and 165.6 MB in the end (delta: -83.0 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.61 ms. Allocated memory is still 199.2 MB. Free memory was 165.6 MB in the beginning and 161.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1573.50 ms. Allocated memory was 199.2 MB in the beginning and 220.2 MB in the end (delta: 21.0 MB). Free memory was 161.8 MB in the beginning and 148.1 MB in the end (delta: 13.7 MB). Peak memory consumption was 95.4 MB. Max. memory is 7.1 GB. * Sifa took 20794.78 ms. Allocated memory was 220.2 MB in the beginning and 669.0 MB in the end (delta: 448.8 MB). Free memory was 148.1 MB in the beginning and 343.7 MB in the end (delta: -195.6 MB). Peak memory consumption was 253.2 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]: 20750, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 251, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 174, TOOLS_POST_TIME[ms]: 10956, TOOLS_POST_CALL_APPLICATIONS: 67, TOOLS_POST_CALL_TIME[ms]: 251, TOOLS_POST_RETURN_APPLICATIONS: 60, TOOLS_POST_RETURN_TIME[ms]: 120, TOOLS_QUANTIFIERELIM_APPLICATIONS: 300, TOOLS_QUANTIFIERELIM_TIME[ms]: 11203, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 10816, FLUID_QUERY_TIME[ms]: 15, FLUID_QUERIES: 261, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 77, DOMAIN_JOIN_TIME[ms]: 8809, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 294, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME[ms]: 27, DOMAIN_ISBOTTOM_APPLICATIONS: 34, DOMAIN_ISBOTTOM_TIME[ms]: 127, LOOP_SUMMARIZER_APPLICATIONS: 8, LOOP_SUMMARIZER_CACHE_MISSES: 8, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4062, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4062, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 60, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11244, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11243, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 38, DAG_COMPRESSION_PROCESSED_NODES: 612, DAG_COMPRESSION_RETAINED_NODES: 219 - UnprovableResult [Line: 673]: 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 884#(and (= |#t~string8.offset| 0) (= |#t~string20.offset| 0) (= |#t~string55.offset| 0) (= |#t~string44.offset| 0) (= |#t~string56.offset| 0) (= |#t~string47.offset| 0) (= |#t~string57.offset| 0) (= ~switchedOnBeforeTS~0 0) (= |#t~string54.offset| 0) (= |#t~string10.offset| 0) (= |#t~string14.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (= |#t~string12.offset| 0) (= |#t~string46.offset| 0) (<= ~waterLevel~0 2147483647) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (= |#t~string52.offset| 0) (= |#t~string43.offset| 0) (= |#NULL.base| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string18.offset| 0) (= |#t~string48.offset| 0) (= |#t~string16.offset| 0) (= ~head~0.offset 0) (= |#t~string6.offset| 0) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (= |#t~string70.offset| 0) (not (= 2 ~waterLevel~0)) (= |#t~string45.offset| 0) (= |#NULL.offset| 0) (= |#t~string53.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...