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_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:52:39,994 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:52:39,997 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:52:40,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:52:40,018 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:52:40,020 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:52:40,022 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:52:40,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:52:40,033 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:52:40,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:52:40,036 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:52:40,038 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:52:40,039 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:52:40,042 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:52:40,044 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:52:40,046 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:52:40,047 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:52:40,050 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:52:40,052 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:52:40,059 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:52:40,062 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:52:40,064 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:52:40,067 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:52:40,068 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:52:40,070 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:52:40,071 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:52:40,071 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:52:40,072 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:52:40,074 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:52:40,076 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:52:40,076 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:52:40,077 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:52:40,078 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:52:40,079 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:52:40,082 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:52:40,082 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:52:40,083 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:52:40,083 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:52:40,084 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:52:40,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:52:40,085 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:52:40,086 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 17:52:40,124 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:52:40,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:52:40,129 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:52:40,129 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:52:40,129 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:52:40,130 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:52:40,130 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:52:40,130 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:52:40,130 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:52:40,130 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:52:40,131 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:52:40,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:52:40,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:52:40,136 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:52:40,136 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:52:40,137 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:52:40,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:52:40,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:52:40,137 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:52:40,137 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:52:40,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:52:40,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:52:40,138 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:52:40,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:52:40,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:52:40,139 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:52:40,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:52:40,139 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:52:40,139 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 17:52:40,197 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:52:40,217 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:52:40,222 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:52:40,224 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:52:40,225 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:52:40,226 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product27.cil.c [2019-09-25 17:52:40,294 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb25c6e62/a84ff49503b143cbb7a73642e98461e3/FLAG7fc9685cf [2019-09-25 17:52:40,806 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:52:40,807 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product27.cil.c [2019-09-25 17:52:40,818 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb25c6e62/a84ff49503b143cbb7a73642e98461e3/FLAG7fc9685cf [2019-09-25 17:52:41,119 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb25c6e62/a84ff49503b143cbb7a73642e98461e3 [2019-09-25 17:52:41,129 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:52:41,130 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:52:41,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:52:41,131 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:52:41,134 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:52:41,135 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:52:41" (1/1) ... [2019-09-25 17:52:41,137 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4753c9fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:52:41, skipping insertion in model container [2019-09-25 17:52:41,137 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:52:41" (1/1) ... [2019-09-25 17:52:41,144 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:52:41,193 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:52:41,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:52:41,689 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:52:41,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:52:41,812 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:52:41,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:52:41 WrapperNode [2019-09-25 17:52:41,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:52:41,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:52:41,814 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:52:41,814 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:52:41,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:52:41" (1/1) ... [2019-09-25 17:52:41,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:52:41" (1/1) ... [2019-09-25 17:52:41,873 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:52:41" (1/1) ... [2019-09-25 17:52:41,873 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:52:41" (1/1) ... [2019-09-25 17:52:41,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:52:41" (1/1) ... [2019-09-25 17:52:41,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:52:41" (1/1) ... [2019-09-25 17:52:41,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:52:41" (1/1) ... [2019-09-25 17:52:41,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:52:41,952 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:52:41,952 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:52:41,952 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:52:41,953 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:52:41" (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 17:52:42,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:52:42,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:52:42,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-25 17:52:42,037 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-25 17:52:42,038 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-25 17:52:42,039 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-25 17:52:42,039 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-25 17:52:42,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-25 17:52:42,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-25 17:52:42,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-25 17:52:42,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-25 17:52:42,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-25 17:52:42,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-25 17:52:42,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-25 17:52:42,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-25 17:52:42,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-25 17:52:42,044 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-25 17:52:42,045 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-25 17:52:42,045 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-25 17:52:42,045 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-25 17:52:42,045 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-25 17:52:42,045 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-25 17:52:42,046 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-25 17:52:42,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-25 17:52:42,046 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-25 17:52:42,046 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-25 17:52:42,047 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-25 17:52:42,047 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-25 17:52:42,047 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:52:42,047 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-25 17:52:42,048 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-25 17:52:42,048 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-25 17:52:42,048 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-25 17:52:42,048 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-25 17:52:42,048 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-25 17:52:42,048 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-25 17:52:42,049 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-25 17:52:42,049 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-25 17:52:42,049 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-25 17:52:42,049 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-25 17:52:42,050 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-25 17:52:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:52:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 17:52:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-25 17:52:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-25 17:52:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-25 17:52:42,052 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-25 17:52:42,052 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-25 17:52:42,052 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-25 17:52:42,052 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-25 17:52:42,052 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-25 17:52:42,052 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-25 17:52:42,052 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-25 17:52:42,053 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-25 17:52:42,053 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-25 17:52:42,053 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 17:52:42,053 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 17:52:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-25 17:52:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 17:52:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 17:52:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 17:52:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 17:52:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-25 17:52:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 17:52:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-25 17:52:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-25 17:52:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 17:52:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-25 17:52:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-25 17:52:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 17:52:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-25 17:52:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-25 17:52:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-25 17:52:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-25 17:52:42,058 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-25 17:52:42,058 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-25 17:52:42,059 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-25 17:52:42,059 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-25 17:52:42,059 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-25 17:52:42,059 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-25 17:52:42,059 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-25 17:52:42,059 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-25 17:52:42,059 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-25 17:52:42,060 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-25 17:52:42,060 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:52:42,060 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-25 17:52:42,060 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-25 17:52:42,060 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-25 17:52:42,060 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-25 17:52:42,060 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-25 17:52:42,061 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-25 17:52:42,061 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-25 17:52:42,061 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-25 17:52:42,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:52:42,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-25 17:52:42,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:52:43,704 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:52:43,704 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-25 17:52:43,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:52:43 BoogieIcfgContainer [2019-09-25 17:52:43,706 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:52:43,706 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:52:43,707 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:52:43,707 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:52:43,708 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:52:43" (1/1) ... [2019-09-25 17:52:43,708 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 17:52:43,743 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:52:43,743 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:52:43,755 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:52:43,768 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:52:43,770 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:52:52,026 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-25 17:52:53,808 WARN L191 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-25 17:52:53,986 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:52:54,124 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:52:54,253 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:52:54,281 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-25 17:52:54,342 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-25 17:52:54,360 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-25 17:52:54,552 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 488 [2019-09-25 17:52:54,692 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 488 [2019-09-25 17:52:55,159 WARN L191 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 17:52:55,624 WARN L191 SmtUtils]: Spent 460.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 17:52:55,880 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 17:52:56,211 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 17:52:56,744 WARN L191 SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-25 17:52:57,575 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 541 [2019-09-25 17:52:58,211 WARN L191 SmtUtils]: Spent 521.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-25 17:52:58,566 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 72 for LOIs [2019-09-25 17:52:58,785 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 72 for LOIs [2019-09-25 17:52:58,893 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 63 for LOIs [2019-09-25 17:52:58,898 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 80 for LOIs [2019-09-25 17:52:58,910 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:52:58,914 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:52:58,917 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 455#(and (= |#t~string26.offset| 0) (= |#t~string44.offset| 0) (= |#t~string42.offset| 0) (= |#t~string34.offset| 0) (= ~switchedOnBeforeTS~0 0) (= |#t~string27.offset| 0) (= |#t~string35.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string66.offset| 0) (= |#t~string72.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (= |#t~string46.offset| 0) (<= ~waterLevel~0 2147483647) (= |#t~string32.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (= |#NULL.base| 0) (= |#t~string33.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string25.offset| 0) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (= |#t~string48.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (= |#t~string31.offset| 0) (= |#t~string70.offset| 0) (= |#t~string36.offset| 0) (not (= 2 ~waterLevel~0)) (= |#t~string40.offset| 0) (= |#t~string24.offset| 0) (= |#NULL.offset| 0) (= |#t~string23.offset| 0)) [2019-09-25 17:52:58,935 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:52:58,935 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:52:58,937 INFO L168 Benchmark]: Toolchain (without parser) took 17807.20 ms. Allocated memory was 139.5 MB in the beginning and 518.0 MB in the end (delta: 378.5 MB). Free memory was 86.5 MB in the beginning and 422.1 MB in the end (delta: -335.6 MB). Peak memory consumption was 43.0 MB. Max. memory is 7.1 GB. [2019-09-25 17:52:58,939 INFO L168 Benchmark]: CDTParser took 0.55 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 17:52:58,941 INFO L168 Benchmark]: CACSL2BoogieTranslator took 682.32 ms. Allocated memory was 139.5 MB in the beginning and 197.1 MB in the end (delta: 57.7 MB). Free memory was 86.3 MB in the beginning and 162.4 MB in the end (delta: -76.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2019-09-25 17:52:58,948 INFO L168 Benchmark]: Boogie Preprocessor took 137.72 ms. Allocated memory is still 197.1 MB. Free memory was 162.4 MB in the beginning and 158.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-25 17:52:58,949 INFO L168 Benchmark]: RCFGBuilder took 1754.50 ms. Allocated memory was 197.1 MB in the beginning and 221.2 MB in the end (delta: 24.1 MB). Free memory was 158.0 MB in the beginning and 139.7 MB in the end (delta: 18.3 MB). Peak memory consumption was 90.3 MB. Max. memory is 7.1 GB. [2019-09-25 17:52:58,950 INFO L168 Benchmark]: Sifa took 15229.19 ms. Allocated memory was 221.2 MB in the beginning and 518.0 MB in the end (delta: 296.7 MB). Free memory was 139.7 MB in the beginning and 422.1 MB in the end (delta: -282.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2019-09-25 17:52:58,962 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 682.32 ms. Allocated memory was 139.5 MB in the beginning and 197.1 MB in the end (delta: 57.7 MB). Free memory was 86.3 MB in the beginning and 162.4 MB in the end (delta: -76.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 137.72 ms. Allocated memory is still 197.1 MB. Free memory was 162.4 MB in the beginning and 158.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1754.50 ms. Allocated memory was 197.1 MB in the beginning and 221.2 MB in the end (delta: 24.1 MB). Free memory was 158.0 MB in the beginning and 139.7 MB in the end (delta: 18.3 MB). Peak memory consumption was 90.3 MB. Max. memory is 7.1 GB. * Sifa took 15229.19 ms. Allocated memory was 221.2 MB in the beginning and 518.0 MB in the end (delta: 296.7 MB). Free memory was 139.7 MB in the beginning and 422.1 MB in the end (delta: -282.4 MB). Peak memory consumption was 14.4 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]: 15175, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 193, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 125, TOOLS_POST_TIME[ms]: 10198, TOOLS_POST_CALL_APPLICATIONS: 57, TOOLS_POST_CALL_TIME[ms]: 176, TOOLS_POST_RETURN_APPLICATIONS: 48, TOOLS_POST_RETURN_TIME[ms]: 99, TOOLS_QUANTIFIERELIM_APPLICATIONS: 230, TOOLS_QUANTIFIERELIM_TIME[ms]: 10367, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 10132, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 197, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 65, DOMAIN_JOIN_TIME[ms]: 4311, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 56, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 10, DOMAIN_ISBOTTOM_APPLICATIONS: 36, DOMAIN_ISBOTTOM_TIME[ms]: 155, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 829, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 829, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 48, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 10540, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10539, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 39, DAG_COMPRESSION_PROCESSED_NODES: 403, DAG_COMPRESSION_RETAINED_NODES: 220 - UnprovableResult [Line: 595]: 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 455#(and (= |#t~string26.offset| 0) (= |#t~string44.offset| 0) (= |#t~string42.offset| 0) (= |#t~string34.offset| 0) (= ~switchedOnBeforeTS~0 0) (= |#t~string27.offset| 0) (= |#t~string35.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string66.offset| 0) (= |#t~string72.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (= |#t~string46.offset| 0) (<= ~waterLevel~0 2147483647) (= |#t~string32.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (= |#NULL.base| 0) (= |#t~string33.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string25.offset| 0) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (= |#t~string48.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (= |#t~string31.offset| 0) (= |#t~string70.offset| 0) (= |#t~string36.offset| 0) (not (= 2 ~waterLevel~0)) (= |#t~string40.offset| 0) (= |#t~string24.offset| 0) (= |#NULL.offset| 0) (= |#t~string23.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...