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 NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 22:37:43,206 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 22:37:43,208 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 22:37:43,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 22:37:43,220 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 22:37:43,221 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 22:37:43,222 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 22:37:43,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 22:37:43,225 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 22:37:43,226 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 22:37:43,227 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 22:37:43,228 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 22:37:43,229 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 22:37:43,230 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 22:37:43,231 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 22:37:43,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 22:37:43,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 22:37:43,233 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 22:37:43,235 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 22:37:43,237 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 22:37:43,238 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 22:37:43,239 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 22:37:43,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 22:37:43,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 22:37:43,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 22:37:43,243 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 22:37:43,244 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 22:37:43,245 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 22:37:43,245 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 22:37:43,246 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 22:37:43,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 22:37:43,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 22:37:43,248 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 22:37:43,248 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 22:37:43,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 22:37:43,250 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 22:37:43,250 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 22:37:43,250 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 22:37:43,251 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 22:37:43,252 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 22:37:43,252 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 22:37:43,253 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 [2019-09-19 22:37:43,267 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 22:37:43,267 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 22:37:43,269 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 22:37:43,269 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 22:37:43,269 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 22:37:43,269 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 22:37:43,270 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 22:37:43,270 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 22:37:43,270 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 22:37:43,270 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 22:37:43,270 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 22:37:43,270 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 22:37:43,271 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 22:37:43,271 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 22:37:43,271 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 22:37:43,271 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 22:37:43,271 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 22:37:43,272 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 22:37:43,272 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 22:37:43,272 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 22:37:43,272 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 22:37:43,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 22:37:43,273 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 22:37:43,273 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 22:37:43,273 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 22:37:43,273 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 22:37:43,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 22:37:43,274 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 22:37:43,274 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 -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 22:37:43,305 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 22:37:43,317 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 22:37:43,321 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 22:37:43,322 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 22:37:43,323 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 22:37:43,323 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product19.cil.c [2019-09-19 22:37:43,382 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c4309d1f/22daa3dcccab4f0784fcaae1a452640e/FLAG7f5cf91be [2019-09-19 22:37:43,876 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 22:37:43,877 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product19.cil.c [2019-09-19 22:37:43,891 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c4309d1f/22daa3dcccab4f0784fcaae1a452640e/FLAG7f5cf91be [2019-09-19 22:37:44,211 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c4309d1f/22daa3dcccab4f0784fcaae1a452640e [2019-09-19 22:37:44,224 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 22:37:44,226 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 22:37:44,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 22:37:44,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 22:37:44,230 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 22:37:44,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:37:44" (1/1) ... [2019-09-19 22:37:44,233 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e93e7e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:37:44, skipping insertion in model container [2019-09-19 22:37:44,233 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:37:44" (1/1) ... [2019-09-19 22:37:44,241 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 22:37:44,309 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 22:37:44,821 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 22:37:44,844 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 22:37:44,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 22:37:44,983 INFO L192 MainTranslator]: Completed translation [2019-09-19 22:37:44,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:37:44 WrapperNode [2019-09-19 22:37:44,983 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 22:37:44,984 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 22:37:44,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 22:37:44,984 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 22:37:44,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:37:44" (1/1) ... [2019-09-19 22:37:44,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:37:44" (1/1) ... [2019-09-19 22:37:45,017 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:37:44" (1/1) ... [2019-09-19 22:37:45,018 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:37:44" (1/1) ... [2019-09-19 22:37:45,063 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:37:44" (1/1) ... [2019-09-19 22:37:45,073 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:37:44" (1/1) ... [2019-09-19 22:37:45,078 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:37:44" (1/1) ... [2019-09-19 22:37:45,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 22:37:45,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 22:37:45,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 22:37:45,096 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 22:37:45,098 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:37:44" (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 [2019-09-19 22:37:45,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 22:37:45,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 22:37:45,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 22:37:45,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-19 22:37:45,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 22:37:45,171 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 22:37:45,172 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 22:37:45,172 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 22:37:45,172 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 22:37:45,172 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 22:37:45,172 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 22:37:45,173 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-19 22:37:45,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 22:37:45,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 22:37:45,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 22:37:45,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 22:37:45,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 22:37:45,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 22:37:45,174 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 22:37:45,174 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 22:37:45,174 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 22:37:45,174 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 22:37:45,174 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 22:37:45,175 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 22:37:45,175 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 22:37:45,175 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 22:37:45,175 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 22:37:45,175 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 22:37:45,175 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-19 22:37:45,176 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 22:37:45,176 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 22:37:45,176 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 22:37:45,176 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 22:37:45,176 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 22:37:45,176 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 22:37:45,177 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-19 22:37:45,177 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-19 22:37:45,177 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 22:37:45,177 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 22:37:45,177 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 22:37:45,177 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 22:37:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 22:37:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 22:37:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 22:37:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-19 22:37:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 22:37:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 22:37:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 22:37:45,179 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 22:37:45,179 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 22:37:45,179 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-19 22:37:45,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 22:37:45,179 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 22:37:45,179 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 22:37:45,180 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 22:37:45,180 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 22:37:45,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 22:37:45,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 22:37:45,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 22:37:45,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 22:37:45,181 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 22:37:45,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 22:37:45,181 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 22:37:45,181 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 22:37:45,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 22:37:45,181 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 22:37:45,182 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 22:37:45,182 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 22:37:45,182 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 22:37:45,182 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 22:37:45,182 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 22:37:45,182 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 22:37:45,183 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 22:37:45,183 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 22:37:45,183 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 22:37:45,183 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 22:37:45,183 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 22:37:45,183 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 22:37:45,184 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 22:37:45,184 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 22:37:45,184 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 22:37:45,184 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 22:37:45,184 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-19 22:37:45,184 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 22:37:45,185 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-19 22:37:45,185 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-19 22:37:45,185 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 22:37:45,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 22:37:45,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 22:37:45,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 22:37:46,775 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 22:37:46,776 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 22:37:46,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:37:46 BoogieIcfgContainer [2019-09-19 22:37:46,777 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 22:37:46,778 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 22:37:46,778 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 22:37:46,778 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 22:37:46,780 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:37:46" (1/1) ... [2019-09-19 22:37:46,780 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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_DDA ♦ Intern Fluid=NeverFluid [2019-09-19 22:37:46,814 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 22:37:46,815 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 22:37:46,826 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 22:37:46,838 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 22:37:46,840 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 22:38:11,101 WARN L191 SmtUtils]: Spent 14.46 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-19 22:38:12,767 WARN L191 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 22:38:16,579 WARN L191 SmtUtils]: Spent 3.81 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-19 22:38:18,331 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 22:38:20,094 WARN L191 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 22:38:20,110 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 430 for LOIs [2019-09-19 22:38:20,167 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 430 for LOIs [2019-09-19 22:38:20,174 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 430 for LOIs [2019-09-19 22:38:31,409 WARN L191 SmtUtils]: Spent 11.11 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-19 22:38:36,908 WARN L191 SmtUtils]: Spent 5.50 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-19 22:38:47,838 WARN L191 SmtUtils]: Spent 10.93 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-19 22:38:53,222 WARN L191 SmtUtils]: Spent 5.38 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-19 22:39:11,109 WARN L191 SmtUtils]: Spent 17.83 s on a formula simplification. DAG size of input: 457 DAG size of output: 455 [2019-09-19 22:39:20,102 WARN L191 SmtUtils]: Spent 8.99 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-19 22:39:51,888 WARN L191 SmtUtils]: Spent 31.69 s on a formula simplification. DAG size of input: 480 DAG size of output: 477 [2019-09-19 22:40:07,806 WARN L191 SmtUtils]: Spent 15.92 s on a formula simplification that was a NOOP. DAG size: 477 [2019-09-19 22:40:25,795 WARN L191 SmtUtils]: Spent 17.94 s on a formula simplification. DAG size of input: 457 DAG size of output: 455 [2019-09-19 22:40:34,746 WARN L191 SmtUtils]: Spent 8.95 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-19 22:40:50,944 WARN L191 SmtUtils]: Spent 16.19 s on a formula simplification that was a NOOP. DAG size: 482 [2019-09-19 22:40:51,986 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-09-19 22:40:52,365 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2019-09-19 22:40:52,533 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-19 22:40:52,679 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-09-19 22:40:52,922 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-19 22:40:53,550 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-09-19 22:40:53,956 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 61 [2019-09-19 22:40:54,094 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-19 22:40:54,246 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-09-19 22:40:54,476 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-19 22:40:54,489 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 22 for LOIs [2019-09-19 22:40:54,620 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 33 [2019-09-19 22:40:54,784 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2019-09-19 22:40:54,978 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-09-19 22:40:55,207 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2019-09-19 22:40:55,436 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2019-09-19 22:40:55,739 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2019-09-19 22:40:55,843 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-19 22:40:55,956 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 1 for LOIs [2019-09-19 22:40:55,960 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 16 for LOIs [2019-09-19 22:40:55,980 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 22:40:55,980 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 22:40:55,983 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 408#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))) [2019-09-19 22:40:55,995 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 22:40:55,995 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 22:40:55,997 INFO L168 Benchmark]: Toolchain (without parser) took 191771.47 ms. Allocated memory was 133.2 MB in the beginning and 153.6 MB in the end (delta: 20.4 MB). Free memory was 87.2 MB in the beginning and 64.0 MB in the end (delta: 23.2 MB). Peak memory consumption was 43.7 MB. Max. memory is 7.1 GB. [2019-09-19 22:40:55,998 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 133.2 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 22:40:55,999 INFO L168 Benchmark]: CACSL2BoogieTranslator took 756.70 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 87.0 MB in the beginning and 165.3 MB in the end (delta: -78.2 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. [2019-09-19 22:40:56,000 INFO L168 Benchmark]: Boogie Preprocessor took 108.62 ms. Allocated memory is still 199.8 MB. Free memory was 165.3 MB in the beginning and 161.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-09-19 22:40:56,001 INFO L168 Benchmark]: RCFGBuilder took 1684.74 ms. Allocated memory was 199.8 MB in the beginning and 224.4 MB in the end (delta: 24.6 MB). Free memory was 160.9 MB in the beginning and 148.9 MB in the end (delta: 12.0 MB). Peak memory consumption was 90.0 MB. Max. memory is 7.1 GB. [2019-09-19 22:40:56,002 INFO L168 Benchmark]: Sifa took 189217.74 ms. Allocated memory was 224.4 MB in the beginning and 153.6 MB in the end (delta: -70.8 MB). Free memory was 148.9 MB in the beginning and 64.0 MB in the end (delta: 84.9 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2019-09-19 22:40:56,006 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 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 756.70 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 87.0 MB in the beginning and 165.3 MB in the end (delta: -78.2 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.62 ms. Allocated memory is still 199.8 MB. Free memory was 165.3 MB in the beginning and 161.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1684.74 ms. Allocated memory was 199.8 MB in the beginning and 224.4 MB in the end (delta: 24.6 MB). Free memory was 160.9 MB in the beginning and 148.9 MB in the end (delta: 12.0 MB). Peak memory consumption was 90.0 MB. Max. memory is 7.1 GB. * Sifa took 189217.74 ms. Allocated memory was 224.4 MB in the beginning and 153.6 MB in the end (delta: -70.8 MB). Free memory was 148.9 MB in the beginning and 64.0 MB in the end (delta: 84.9 MB). Peak memory consumption was 14.1 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]: 189170, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 209, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 140, TOOLS_POST_TIME[ms]: 29740, TOOLS_POST_CALL_APPLICATIONS: 60, TOOLS_POST_CALL_TIME[ms]: 141, TOOLS_POST_RETURN_APPLICATIONS: 51, TOOLS_POST_RETURN_TIME[ms]: 73, TOOLS_QUANTIFIERELIM_APPLICATIONS: 251, TOOLS_QUANTIFIERELIM_TIME[ms]: 29863, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 29657, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 215, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 66, DOMAIN_JOIN_TIME[ms]: 158042, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 763, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 13, DOMAIN_ISBOTTOM_APPLICATIONS: 38, DOMAIN_ISBOTTOM_TIME[ms]: 250, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 154192, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 154192, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 51, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 33902, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 33901, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 42, DAG_COMPRESSION_PROCESSED_NODES: 335, DAG_COMPRESSION_RETAINED_NODES: 188 - UnprovableResult [Line: 73]: 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 408#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...