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 SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:52:28,188 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:52:28,190 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:52:28,201 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:52:28,202 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:52:28,203 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:52:28,204 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:52:28,206 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:52:28,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:52:28,208 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:52:28,209 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:52:28,210 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:52:28,210 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:52:28,211 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:52:28,212 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:52:28,213 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:52:28,214 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:52:28,215 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:52:28,216 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:52:28,218 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:52:28,219 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:52:28,220 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:52:28,221 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:52:28,222 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:52:28,224 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:52:28,224 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:52:28,224 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:52:28,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:52:28,226 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:52:28,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:52:28,227 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:52:28,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:52:28,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:52:28,229 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:52:28,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:52:28,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:52:28,230 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:52:28,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:52:28,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:52:28,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:52:28,232 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:52:28,233 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 15:52:28,247 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:52:28,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:52:28,248 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:52:28,248 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:52:28,248 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:52:28,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:52:28,249 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:52:28,249 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:52:28,249 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:52:28,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:52:28,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:52:28,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:52:28,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:52:28,250 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:52:28,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:52:28,251 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:52:28,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:52:28,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:52:28,251 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:52:28,252 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:52:28,252 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:52:28,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:52:28,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:52:28,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:52:28,253 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:52:28,253 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:52:28,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:52:28,253 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:52:28,253 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 -> SIMPLIFY_QUICK [2019-09-20 15:52:28,284 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:52:28,296 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:52:28,300 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:52:28,301 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:52:28,301 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:52:28,302 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product22.cil.c [2019-09-20 15:52:28,360 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4616214b/6120dee9fb8c4567b20fb9775eb64313/FLAG685eb065c [2019-09-20 15:52:28,834 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:52:28,835 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product22.cil.c [2019-09-20 15:52:28,853 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4616214b/6120dee9fb8c4567b20fb9775eb64313/FLAG685eb065c [2019-09-20 15:52:29,327 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4616214b/6120dee9fb8c4567b20fb9775eb64313 [2019-09-20 15:52:29,336 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:52:29,338 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:52:29,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:52:29,339 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:52:29,344 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:52:29,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:52:29" (1/1) ... [2019-09-20 15:52:29,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c9b5beb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:29, skipping insertion in model container [2019-09-20 15:52:29,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:52:29" (1/1) ... [2019-09-20 15:52:29,355 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:52:29,421 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:52:29,873 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:52:29,895 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:52:29,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:52:30,031 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:52:30,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:30 WrapperNode [2019-09-20 15:52:30,032 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:52:30,032 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:52:30,032 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:52:30,033 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:52:30,042 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:30" (1/1) ... [2019-09-20 15:52:30,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:30" (1/1) ... [2019-09-20 15:52:30,063 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:30" (1/1) ... [2019-09-20 15:52:30,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:30" (1/1) ... [2019-09-20 15:52:30,097 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:30" (1/1) ... [2019-09-20 15:52:30,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:30" (1/1) ... [2019-09-20 15:52:30,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:30" (1/1) ... [2019-09-20 15:52:30,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:52:30,120 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:52:30,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:52:30,121 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:52:30,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:30" (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 15:52:30,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:52:30,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:52:30,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:52:30,196 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:52:30,197 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:52:30,197 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:52:30,198 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:52:30,198 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:52:30,198 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:52:30,198 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:52:30,198 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:52:30,199 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:52:30,199 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:52:30,199 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:52:30,200 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:52:30,200 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:52:30,202 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 15:52:30,202 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:52:30,202 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:52:30,202 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:52:30,202 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:52:30,202 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:52:30,203 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:52:30,203 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:52:30,203 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 15:52:30,203 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:52:30,203 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:52:30,203 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:52:30,203 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:52:30,204 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:52:30,204 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:52:30,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:52:30,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 15:52:30,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:52:30,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:52:30,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:52:30,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:52:30,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:52:30,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:52:30,205 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:52:30,205 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:52:30,205 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:52:30,205 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:52:30,205 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:52:30,206 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:52:30,206 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:52:30,206 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:52:30,206 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:52:30,206 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:52:30,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:52:30,206 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:52:30,207 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:52:30,207 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:52:30,207 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:52:30,207 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:52:30,207 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:52:30,208 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:52:30,208 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:52:30,208 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:52:30,208 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 15:52:30,209 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 15:52:30,209 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:52:30,209 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:52:30,209 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:52:30,209 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 15:52:30,210 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:52:30,210 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:52:30,210 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:52:30,210 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:52:30,210 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:52:30,210 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:52:30,210 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:52:30,210 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:52:30,211 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:52:30,211 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:52:30,211 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:52:30,212 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:52:30,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:52:30,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:52:30,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:52:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:52:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:52:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:52:30,214 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:52:30,214 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:52:30,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:52:30,214 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:52:30,215 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:52:30,215 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:52:30,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:52:30,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:52:30,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:52:31,665 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:52:31,665 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:52:31,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:52:31 BoogieIcfgContainer [2019-09-20 15:52:31,667 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:52:31,667 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:52:31,667 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:52:31,668 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:52:31,669 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:52:31" (1/1) ... [2019-09-20 15:52:31,669 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=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:52:31,691 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:52:31,692 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:52:31,700 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:52:31,708 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:52:31,710 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:52:41,383 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-20 15:52:42,926 WARN L191 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:52:43,081 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:52:43,207 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:52:43,330 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:52:43,345 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-20 15:52:43,397 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-20 15:52:43,404 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-20 15:52:43,585 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-20 15:52:43,727 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-20 15:52:44,098 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:52:44,470 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:52:45,068 WARN L191 SmtUtils]: Spent 559.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:52:45,465 WARN L191 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:52:46,197 WARN L191 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-20 15:52:46,780 WARN L191 SmtUtils]: Spent 580.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-20 15:52:47,598 WARN L191 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 535 [2019-09-20 15:52:47,975 WARN L191 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-20 15:52:48,388 WARN L191 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 539 [2019-09-20 15:52:48,769 WARN L191 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 539 [2019-09-20 15:52:49,258 WARN L191 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 551 [2019-09-20 15:52:49,690 WARN L191 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 551 [2019-09-20 15:52:50,480 WARN L191 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-09-20 15:52:51,165 WARN L191 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-09-20 15:52:52,927 WARN L191 SmtUtils]: Spent 1.63 s on a formula simplification that was a NOOP. DAG size: 608 [2019-09-20 15:52:54,370 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 608 [2019-09-20 15:52:55,171 WARN L191 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 543 [2019-09-20 15:52:55,808 WARN L191 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 543 [2019-09-20 15:52:56,596 WARN L191 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-09-20 15:52:56,951 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 28 for LOIs [2019-09-20 15:52:57,025 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-20 15:52:57,033 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 20 for LOIs [2019-09-20 15:52:57,037 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 26 for LOIs [2019-09-20 15:52:57,039 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:52:57,039 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:52:57,041 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 428#(and (<= ~pumpRunning~0 2147483647) (or (not (= 0 ~systemActive~0)) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0))) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-20 15:52:57,056 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:52:57,056 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:52:57,058 INFO L168 Benchmark]: Toolchain (without parser) took 27720.08 ms. Allocated memory was 133.2 MB in the beginning and 909.6 MB in the end (delta: 776.5 MB). Free memory was 88.2 MB in the beginning and 733.7 MB in the end (delta: -645.6 MB). Peak memory consumption was 130.9 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:57,059 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: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:52:57,060 INFO L168 Benchmark]: CACSL2BoogieTranslator took 692.98 ms. Allocated memory was 133.2 MB in the beginning and 199.2 MB in the end (delta: 66.1 MB). Free memory was 88.0 MB in the beginning and 163.4 MB in the end (delta: -75.4 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:57,061 INFO L168 Benchmark]: Boogie Preprocessor took 87.73 ms. Allocated memory is still 199.2 MB. Free memory was 163.4 MB in the beginning and 159.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:57,062 INFO L168 Benchmark]: RCFGBuilder took 1546.36 ms. Allocated memory was 199.2 MB in the beginning and 224.4 MB in the end (delta: 25.2 MB). Free memory was 159.0 MB in the beginning and 143.3 MB in the end (delta: 15.7 MB). Peak memory consumption was 88.1 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:57,063 INFO L168 Benchmark]: Sifa took 25389.16 ms. Allocated memory was 224.4 MB in the beginning and 909.6 MB in the end (delta: 685.2 MB). Free memory was 143.3 MB in the beginning and 733.7 MB in the end (delta: -590.4 MB). Peak memory consumption was 94.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:57,067 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: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 692.98 ms. Allocated memory was 133.2 MB in the beginning and 199.2 MB in the end (delta: 66.1 MB). Free memory was 88.0 MB in the beginning and 163.4 MB in the end (delta: -75.4 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.73 ms. Allocated memory is still 199.2 MB. Free memory was 163.4 MB in the beginning and 159.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1546.36 ms. Allocated memory was 199.2 MB in the beginning and 224.4 MB in the end (delta: 25.2 MB). Free memory was 159.0 MB in the beginning and 143.3 MB in the end (delta: 15.7 MB). Peak memory consumption was 88.1 MB. Max. memory is 7.1 GB. * Sifa took 25389.16 ms. Allocated memory was 224.4 MB in the beginning and 909.6 MB in the end (delta: 685.2 MB). Free memory was 143.3 MB in the beginning and 733.7 MB in the end (delta: -590.4 MB). Peak memory consumption was 94.8 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]: 25350, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 229, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 147, TOOLS_POST_TIME[ms]: 11465, TOOLS_POST_CALL_APPLICATIONS: 68, TOOLS_POST_CALL_TIME[ms]: 275, TOOLS_POST_RETURN_APPLICATIONS: 59, TOOLS_POST_RETURN_TIME[ms]: 206, TOOLS_QUANTIFIERELIM_APPLICATIONS: 274, TOOLS_QUANTIFIERELIM_TIME[ms]: 11842, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11316, FLUID_QUERY_TIME[ms]: 10, FLUID_QUERIES: 235, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 69, DOMAIN_JOIN_TIME[ms]: 11479, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 1567, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 38, DOMAIN_ISBOTTOM_APPLICATIONS: 37, DOMAIN_ISBOTTOM_TIME[ms]: 188, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 12945, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12945, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 59, CALL_SUMMARIZER_CACHE_MISSES: 25, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11762, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11761, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 31, DAG_COMPRESSION_PROCESSED_NODES: 385, DAG_COMPRESSION_RETAINED_NODES: 215 - UnprovableResult [Line: 535]: 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 428#(and (<= ~pumpRunning~0 2147483647) (or (not (= 0 ~systemActive~0)) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0))) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...