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.intern.fluid SizeLimitFluid --sifa.simplification.technique NONE -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:12:52,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:12:52,193 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:12:52,213 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:12:52,213 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:12:52,215 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:12:52,217 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:12:52,226 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:12:52,231 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:12:52,232 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:12:52,233 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:12:52,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:12:52,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:12:52,235 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:12:52,236 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:12:52,237 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:12:52,237 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:12:52,238 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:12:52,240 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:12:52,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:12:52,242 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:12:52,243 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:12:52,244 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:12:52,245 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:12:52,247 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:12:52,247 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:12:52,247 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:12:52,248 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:12:52,249 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:12:52,249 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:12:52,250 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:12:52,250 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:12:52,251 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:12:52,252 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:12:52,253 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:12:52,253 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:12:52,253 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:12:52,254 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:12:52,254 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:12:52,255 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:12:52,255 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:12:52,256 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 [2019-09-20 15:12:52,270 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:12:52,270 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:12:52,271 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:12:52,272 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:12:52,272 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:12:52,272 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:12:52,272 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:12:52,273 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:12:52,273 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:12:52,273 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:12:52,273 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:12:52,273 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:12:52,273 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:12:52,274 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:12:52,274 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:12:52,274 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:12:52,274 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:12:52,274 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:12:52,275 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:12:52,275 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:12:52,275 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:12:52,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:12:52,275 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:12:52,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:12:52,276 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:12:52,276 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:12:52,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:12:52,276 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:12:52,277 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> NONE [2019-09-20 15:12:52,313 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:12:52,324 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:12:52,328 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:12:52,329 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:12:52,329 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:12:52,330 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product29.cil.c [2019-09-20 15:12:52,396 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5059775c/aa00bce241464248a906a2915b2f554f/FLAG5f3e112ba [2019-09-20 15:12:52,923 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:12:52,924 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product29.cil.c [2019-09-20 15:12:52,936 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5059775c/aa00bce241464248a906a2915b2f554f/FLAG5f3e112ba [2019-09-20 15:12:53,220 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5059775c/aa00bce241464248a906a2915b2f554f [2019-09-20 15:12:53,229 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:12:53,230 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:12:53,231 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:12:53,231 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:12:53,235 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:12:53,236 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:12:53" (1/1) ... [2019-09-20 15:12:53,239 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23ac3fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:12:53, skipping insertion in model container [2019-09-20 15:12:53,239 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:12:53" (1/1) ... [2019-09-20 15:12:53,245 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:12:53,293 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:12:53,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:12:53,757 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:12:53,874 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:12:53,913 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:12:53,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:12:53 WrapperNode [2019-09-20 15:12:53,913 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:12:53,914 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:12:53,914 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:12:53,914 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:12:53,929 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:12:53" (1/1) ... [2019-09-20 15:12:53,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:12:53" (1/1) ... [2019-09-20 15:12:53,964 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:12:53" (1/1) ... [2019-09-20 15:12:53,964 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:12:53" (1/1) ... [2019-09-20 15:12:54,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:12:53" (1/1) ... [2019-09-20 15:12:54,024 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:12:53" (1/1) ... [2019-09-20 15:12:54,029 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:12:53" (1/1) ... [2019-09-20 15:12:54,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:12:54,037 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:12:54,037 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:12:54,038 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:12:54,039 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:12:53" (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 [2019-09-20 15:12:54,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:12:54,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:12:54,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:12:54,095 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:12:54,095 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:12:54,095 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:12:54,095 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:12:54,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:12:54,096 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:12:54,096 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:12:54,096 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:12:54,096 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:12:54,096 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:12:54,096 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:12:54,097 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:12:54,097 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:12:54,097 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:12:54,097 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:12:54,097 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:12:54,098 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:12:54,098 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:12:54,098 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:12:54,098 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 15:12:54,098 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:12:54,098 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 15:12:54,099 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:12:54,099 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:12:54,099 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:12:54,099 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:12:54,099 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:12:54,099 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:12:54,100 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:12:54,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:12:54,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:12:54,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:12:54,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:12:54,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:12:54,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:12:54,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-20 15:12:54,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-20 15:12:54,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-20 15:12:54,101 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:12:54,102 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:12:54,102 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:12:54,102 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:12:54,102 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:12:54,102 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:12:54,102 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:12:54,102 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:12:54,103 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:12:54,103 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:12:54,103 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:12:54,103 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:12:54,103 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:12:54,103 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:12:54,104 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:12:54,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:12:54,104 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:12:54,104 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:12:54,104 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:12:54,104 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:12:54,105 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:12:54,105 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-20 15:12:54,105 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:12:54,105 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:12:54,105 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:12:54,105 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:12:54,105 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:12:54,106 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:12:54,106 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-20 15:12:54,106 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-20 15:12:54,106 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:12:54,106 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:12:54,106 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:12:54,107 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 15:12:54,107 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:12:54,107 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 15:12:54,107 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:12:54,107 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:12:54,107 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:12:54,108 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:12:54,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:12:54,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:12:54,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:12:54,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:12:54,108 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:12:54,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:12:54,109 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:12:54,109 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:12:54,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:12:54,109 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:12:54,109 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:12:54,109 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:12:54,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:12:54,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:12:54,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:12:55,722 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:12:55,723 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:12:55,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:12:55 BoogieIcfgContainer [2019-09-20 15:12:55,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:12:55,725 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:12:55,725 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:12:55,726 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:12:55,727 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:12:55" (1/1) ... [2019-09-20 15:12:55,727 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:12:55,751 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:12:55,751 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:12:55,760 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:12:55,770 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:12:55,771 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:13:06,974 WARN L191 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:13:07,003 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 482 for LOIs [2019-09-20 15:13:07,048 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 482 for LOIs [2019-09-20 15:13:07,062 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 482 for LOIs [2019-09-20 15:13:07,856 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 40 for LOIs [2019-09-20 15:13:07,895 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 42 for LOIs [2019-09-20 15:13:07,910 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 33 for LOIs [2019-09-20 15:13:07,915 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 40 for LOIs [2019-09-20 15:13:07,916 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:13:07,916 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:13:07,918 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 547#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (not (= 2 ~waterLevel~0)) (or (and (or (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (not (= ~pumpRunning~0 0))) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (= ~pumpRunning~0 0))) (= 0 ~systemActive~0)) (and (or (= ~switchedOnBeforeTS~0 0) (and (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (<= 0 (+ ~switchedOnBeforeTS~0 2147483648)) (not (= ~switchedOnBeforeTS~0 0)) (<= ~switchedOnBeforeTS~0 2147483647))) (not (= 0 ~systemActive~0)))) (<= 0 (+ ~pumpRunning~0 2147483648)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))) [2019-09-20 15:13:07,932 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:13:07,932 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:13:07,934 INFO L168 Benchmark]: Toolchain (without parser) took 14703.25 ms. Allocated memory was 140.0 MB in the beginning and 314.0 MB in the end (delta: 174.1 MB). Free memory was 86.1 MB in the beginning and 125.4 MB in the end (delta: -39.3 MB). Peak memory consumption was 134.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:13:07,935 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 140.0 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:13:07,936 INFO L168 Benchmark]: CACSL2BoogieTranslator took 682.51 ms. Allocated memory was 140.0 MB in the beginning and 200.3 MB in the end (delta: 60.3 MB). Free memory was 85.9 MB in the beginning and 163.4 MB in the end (delta: -77.4 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:13:07,937 INFO L168 Benchmark]: Boogie Preprocessor took 122.97 ms. Allocated memory is still 200.3 MB. Free memory was 163.4 MB in the beginning and 159.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:13:07,938 INFO L168 Benchmark]: RCFGBuilder took 1687.44 ms. Allocated memory was 200.3 MB in the beginning and 225.4 MB in the end (delta: 25.2 MB). Free memory was 159.1 MB in the beginning and 140.5 MB in the end (delta: 18.5 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:13:07,939 INFO L168 Benchmark]: Sifa took 12206.82 ms. Allocated memory was 225.4 MB in the beginning and 314.0 MB in the end (delta: 88.6 MB). Free memory was 140.5 MB in the beginning and 125.4 MB in the end (delta: 15.1 MB). Peak memory consumption was 103.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:13:07,943 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 140.0 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 682.51 ms. Allocated memory was 140.0 MB in the beginning and 200.3 MB in the end (delta: 60.3 MB). Free memory was 85.9 MB in the beginning and 163.4 MB in the end (delta: -77.4 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.97 ms. Allocated memory is still 200.3 MB. Free memory was 163.4 MB in the beginning and 159.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1687.44 ms. Allocated memory was 200.3 MB in the beginning and 225.4 MB in the end (delta: 25.2 MB). Free memory was 159.1 MB in the beginning and 140.5 MB in the end (delta: 18.5 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. * Sifa took 12206.82 ms. Allocated memory was 225.4 MB in the beginning and 314.0 MB in the end (delta: 88.6 MB). Free memory was 140.5 MB in the beginning and 125.4 MB in the end (delta: 15.1 MB). Peak memory consumption was 103.7 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]: 12167, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 276, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 177, TOOLS_POST_TIME[ms]: 11272, TOOLS_POST_CALL_APPLICATIONS: 81, TOOLS_POST_CALL_TIME[ms]: 297, TOOLS_POST_RETURN_APPLICATIONS: 72, TOOLS_POST_RETURN_TIME[ms]: 162, TOOLS_QUANTIFIERELIM_APPLICATIONS: 330, TOOLS_QUANTIFIERELIM_TIME[ms]: 11596, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11132, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 287, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 89, DOMAIN_JOIN_TIME[ms]: 29, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 8, DOMAIN_ISSUBSETEQ_APPLICATIONS: 11, DOMAIN_ISSUBSETEQ_TIME[ms]: 67, DOMAIN_ISBOTTOM_APPLICATIONS: 39, DOMAIN_ISBOTTOM_TIME[ms]: 192, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 708, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 707, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 11, CALL_SUMMARIZER_APPLICATIONS: 72, CALL_SUMMARIZER_CACHE_MISSES: 25, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11216, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11215, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 26, DAG_COMPRESSION_PROCESSED_NODES: 425, DAG_COMPRESSION_RETAINED_NODES: 224 - UnprovableResult [Line: 82]: 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 547#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (not (= 2 ~waterLevel~0)) (or (and (or (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (not (= ~pumpRunning~0 0))) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (= ~pumpRunning~0 0))) (= 0 ~systemActive~0)) (and (or (= ~switchedOnBeforeTS~0 0) (and (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (<= 0 (+ ~switchedOnBeforeTS~0 2147483648)) (not (= ~switchedOnBeforeTS~0 0)) (<= ~switchedOnBeforeTS~0 2147483647))) (not (= 0 ~systemActive~0)))) (<= 0 (+ ~pumpRunning~0 2147483648)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...