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_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:52:34,057 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:52:34,059 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:52:34,071 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:52:34,071 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:52:34,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:52:34,073 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:52:34,075 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:52:34,077 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:52:34,078 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:52:34,079 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:52:34,080 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:52:34,080 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:52:34,081 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:52:34,082 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:52:34,083 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:52:34,084 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:52:34,085 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:52:34,087 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:52:34,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:52:34,090 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:52:34,092 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:52:34,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:52:34,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:52:34,096 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:52:34,096 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:52:34,096 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:52:34,097 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:52:34,098 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:52:34,098 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:52:34,099 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:52:34,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:52:34,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:52:34,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:52:34,102 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:52:34,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:52:34,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:52:34,103 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:52:34,103 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:52:34,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:52:34,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:52:34,106 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 17:52:34,120 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:52:34,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:52:34,121 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:52:34,122 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:52:34,122 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:52:34,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:52:34,122 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:52:34,123 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:52:34,123 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:52:34,123 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:52:34,123 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:52:34,123 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:52:34,124 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:52:34,124 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:52:34,124 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:52:34,124 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:52:34,124 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:52:34,125 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:52:34,125 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:52:34,125 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:52:34,125 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:52:34,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:52:34,126 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:52:34,126 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:52:34,126 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:52:34,126 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:52:34,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:52:34,127 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:52:34,127 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 17:52:34,173 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:52:34,185 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:52:34,188 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:52:34,190 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:52:34,190 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:52:34,191 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product23.cil.c [2019-09-25 17:52:34,254 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40eaad6ee/38e95555e5414b278aa68a3d2014f728/FLAG45dadb88a [2019-09-25 17:52:34,881 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:52:34,882 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product23.cil.c [2019-09-25 17:52:34,903 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40eaad6ee/38e95555e5414b278aa68a3d2014f728/FLAG45dadb88a [2019-09-25 17:52:35,173 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40eaad6ee/38e95555e5414b278aa68a3d2014f728 [2019-09-25 17:52:35,183 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:52:35,185 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:52:35,186 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:52:35,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:52:35,189 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:52:35,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:52:35" (1/1) ... [2019-09-25 17:52:35,193 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a7d090e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:52:35, skipping insertion in model container [2019-09-25 17:52:35,193 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:52:35" (1/1) ... [2019-09-25 17:52:35,200 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:52:35,259 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:52:35,703 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:52:35,722 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:52:35,859 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:52:35,907 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:52:35,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:52:35 WrapperNode [2019-09-25 17:52:35,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:52:35,908 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:52:35,908 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:52:35,908 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:52:35,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:52:35" (1/1) ... [2019-09-25 17:52:35,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:52:35" (1/1) ... [2019-09-25 17:52:35,946 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:52:35" (1/1) ... [2019-09-25 17:52:35,947 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:52:35" (1/1) ... [2019-09-25 17:52:35,990 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:52:35" (1/1) ... [2019-09-25 17:52:36,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:52:35" (1/1) ... [2019-09-25 17:52:36,010 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:52:35" (1/1) ... [2019-09-25 17:52:36,017 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:52:36,018 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:52:36,018 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:52:36,018 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:52:36,019 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:52:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:52:36,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:52:36,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:52:36,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-25 17:52:36,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-25 17:52:36,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-25 17:52:36,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-25 17:52:36,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-25 17:52:36,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-25 17:52:36,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-25 17:52:36,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-25 17:52:36,097 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-25 17:52:36,097 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-25 17:52:36,097 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-25 17:52:36,097 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-25 17:52:36,098 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-25 17:52:36,098 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-25 17:52:36,100 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-25 17:52:36,101 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-25 17:52:36,101 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-25 17:52:36,101 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-25 17:52:36,101 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-25 17:52:36,101 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:52:36,101 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-25 17:52:36,102 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-25 17:52:36,102 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-25 17:52:36,102 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-25 17:52:36,102 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-25 17:52:36,102 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-25 17:52:36,102 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-25 17:52:36,103 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-25 17:52:36,103 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-25 17:52:36,103 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-25 17:52:36,103 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-25 17:52:36,104 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-25 17:52:36,104 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-25 17:52:36,104 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-25 17:52:36,104 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-25 17:52:36,104 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-25 17:52:36,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-25 17:52:36,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-25 17:52:36,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-25 17:52:36,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:52:36,106 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 17:52:36,106 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-25 17:52:36,106 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-25 17:52:36,106 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 17:52:36,106 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 17:52:36,107 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-25 17:52:36,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 17:52:36,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 17:52:36,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 17:52:36,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 17:52:36,108 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-25 17:52:36,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 17:52:36,108 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-25 17:52:36,108 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-25 17:52:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 17:52:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-25 17:52:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-25 17:52:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 17:52:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-25 17:52:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-25 17:52:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-25 17:52:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-25 17:52:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-25 17:52:36,111 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-25 17:52:36,111 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-25 17:52:36,111 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-25 17:52:36,111 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-25 17:52:36,111 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-25 17:52:36,112 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-25 17:52:36,112 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-25 17:52:36,113 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-25 17:52:36,113 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-25 17:52:36,114 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-25 17:52:36,114 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-25 17:52:36,115 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-25 17:52:36,115 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-25 17:52:36,116 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-25 17:52:36,116 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-25 17:52:36,116 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:52:36,116 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-25 17:52:36,118 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-25 17:52:36,118 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-25 17:52:36,118 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-25 17:52:36,118 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-25 17:52:36,118 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-25 17:52:36,119 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-25 17:52:36,119 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-25 17:52:36,119 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-25 17:52:36,119 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-25 17:52:36,119 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-25 17:52:36,120 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-25 17:52:36,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:52:36,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-25 17:52:36,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:52:37,717 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:52:37,717 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-25 17:52:37,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:52:37 BoogieIcfgContainer [2019-09-25 17:52:37,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:52:37,720 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:52:37,720 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:52:37,720 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:52:37,722 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:52:37" (1/1) ... [2019-09-25 17:52:37,722 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 17:52:37,753 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:52:37,753 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:52:37,766 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:52:37,779 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:52:37,781 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:52:48,933 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-25 17:52:50,828 WARN L191 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-25 17:52:50,981 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:52:51,121 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:52:51,245 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:52:51,276 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-25 17:52:51,341 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-25 17:52:51,357 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-25 17:52:51,901 WARN L191 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 504 [2019-09-25 17:52:52,398 WARN L191 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 504 [2019-09-25 17:52:53,007 WARN L191 SmtUtils]: Spent 546.00 ms on a formula simplification that was a NOOP. DAG size: 517 [2019-09-25 17:52:53,614 WARN L191 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-09-25 17:52:54,109 WARN L191 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-09-25 17:52:54,926 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-25 17:52:55,142 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-25 17:52:55,441 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 540 [2019-09-25 17:52:55,716 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-25 17:52:56,109 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 540 [2019-09-25 17:52:56,257 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 533 [2019-09-25 17:52:57,400 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 542 [2019-09-25 17:52:57,854 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-25 17:52:58,973 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 541 [2019-09-25 17:52:59,578 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-25 17:52:59,783 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-25 17:53:00,032 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-25 17:53:00,521 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 529 [2019-09-25 17:53:00,712 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 529 [2019-09-25 17:53:00,898 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 529 [2019-09-25 17:53:02,205 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 532 [2019-09-25 17:53:02,380 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2019-09-25 17:53:02,544 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 532 [2019-09-25 17:53:02,709 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2019-09-25 17:53:02,870 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 532 [2019-09-25 17:53:03,037 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2019-09-25 17:53:03,270 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-09-25 17:53:03,337 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-25 17:53:03,339 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 498 for LOIs [2019-09-25 17:53:03,696 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 497 for LOIs [2019-09-25 17:53:03,714 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 508 for LOIs [2019-09-25 17:53:03,727 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:53:03,727 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:53:03,729 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 757#(and (= |#t~string50.offset| 0) (= |#t~string20.offset| 0) (= |#t~string21.offset| 0) (= |#t~string44.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string42.offset| 0) (= ~switchedOnBeforeTS~0 0) (= |#t~string27.offset| 0) (= |#t~string54.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string28.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= |#t~string19.offset| 0) (= ~head~0.base 0) (<= ~waterLevel~0 2147483647) (= |#t~string32.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#t~string52.offset| 0) (= |#NULL.base| 0) (= |#t~string38.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string18.offset| 0) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (= |#t~string31.offset| 0) (= |#t~string36.offset| 0) (not (= 2 ~waterLevel~0)) (= |#t~string40.offset| 0) (= |#NULL.offset| 0) (= |#t~string23.offset| 0)) [2019-09-25 17:53:03,750 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:53:03,751 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:53:03,753 INFO L168 Benchmark]: Toolchain (without parser) took 28567.58 ms. Allocated memory was 133.2 MB in the beginning and 881.9 MB in the end (delta: 748.7 MB). Free memory was 88.1 MB in the beginning and 680.9 MB in the end (delta: -592.7 MB). Peak memory consumption was 156.0 MB. Max. memory is 7.1 GB. [2019-09-25 17:53:03,754 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-25 17:53:03,755 INFO L168 Benchmark]: CACSL2BoogieTranslator took 721.92 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 87.9 MB in the beginning and 164.2 MB in the end (delta: -76.2 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2019-09-25 17:53:03,755 INFO L168 Benchmark]: Boogie Preprocessor took 109.33 ms. Allocated memory is still 199.8 MB. Free memory was 164.2 MB in the beginning and 159.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-25 17:53:03,756 INFO L168 Benchmark]: RCFGBuilder took 1701.62 ms. Allocated memory was 199.8 MB in the beginning and 224.4 MB in the end (delta: 24.6 MB). Free memory was 159.9 MB in the beginning and 140.4 MB in the end (delta: 19.5 MB). Peak memory consumption was 89.0 MB. Max. memory is 7.1 GB. [2019-09-25 17:53:03,757 INFO L168 Benchmark]: Sifa took 26031.03 ms. Allocated memory was 224.4 MB in the beginning and 881.9 MB in the end (delta: 657.5 MB). Free memory was 140.4 MB in the beginning and 680.9 MB in the end (delta: -540.5 MB). Peak memory consumption was 117.0 MB. Max. memory is 7.1 GB. [2019-09-25 17:53:03,761 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 721.92 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 87.9 MB in the beginning and 164.2 MB in the end (delta: -76.2 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.33 ms. Allocated memory is still 199.8 MB. Free memory was 164.2 MB in the beginning and 159.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1701.62 ms. Allocated memory was 199.8 MB in the beginning and 224.4 MB in the end (delta: 24.6 MB). Free memory was 159.9 MB in the beginning and 140.4 MB in the end (delta: 19.5 MB). Peak memory consumption was 89.0 MB. Max. memory is 7.1 GB. * Sifa took 26031.03 ms. Allocated memory was 224.4 MB in the beginning and 881.9 MB in the end (delta: 657.5 MB). Free memory was 140.4 MB in the beginning and 680.9 MB in the end (delta: -540.5 MB). Peak memory consumption was 117.0 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]: 25977, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 244, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 173, TOOLS_POST_TIME[ms]: 13270, TOOLS_POST_CALL_APPLICATIONS: 64, TOOLS_POST_CALL_TIME[ms]: 239, TOOLS_POST_RETURN_APPLICATIONS: 57, TOOLS_POST_RETURN_TIME[ms]: 129, TOOLS_QUANTIFIERELIM_APPLICATIONS: 293, TOOLS_QUANTIFIERELIM_TIME[ms]: 13484, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 13107, FLUID_QUERY_TIME[ms]: 15, FLUID_QUERIES: 247, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 103, DOMAIN_JOIN_TIME[ms]: 11401, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 313, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 16, DOMAIN_ISBOTTOM_APPLICATIONS: 68, DOMAIN_ISBOTTOM_TIME[ms]: 419, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 7847, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 7846, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 57, CALL_SUMMARIZER_CACHE_MISSES: 25, CALL_SUMMARIZER_OVERALL_TIME[ms]: 13522, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13521, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 42, DAG_COMPRESSION_PROCESSED_NODES: 720, DAG_COMPRESSION_RETAINED_NODES: 256 - UnprovableResult [Line: 410]: 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 757#(and (= |#t~string50.offset| 0) (= |#t~string20.offset| 0) (= |#t~string21.offset| 0) (= |#t~string44.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string42.offset| 0) (= ~switchedOnBeforeTS~0 0) (= |#t~string27.offset| 0) (= |#t~string54.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string28.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= |#t~string19.offset| 0) (= ~head~0.base 0) (<= ~waterLevel~0 2147483647) (= |#t~string32.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#t~string52.offset| 0) (= |#NULL.base| 0) (= |#t~string38.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string18.offset| 0) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (= |#t~string31.offset| 0) (= |#t~string36.offset| 0) (not (= 2 ~waterLevel~0)) (= |#t~string40.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...