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 AlwaysFluid --sifa.intern.fluid AlwaysFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product06.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 17:23:38,112 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 17:23:38,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 17:23:38,134 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 17:23:38,134 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 17:23:38,136 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 17:23:38,138 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 17:23:38,152 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 17:23:38,154 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 17:23:38,155 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 17:23:38,157 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 17:23:38,160 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 17:23:38,160 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 17:23:38,163 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 17:23:38,166 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 17:23:38,168 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 17:23:38,169 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 17:23:38,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 17:23:38,174 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 17:23:38,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 17:23:38,182 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 17:23:38,185 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 17:23:38,188 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 17:23:38,189 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 17:23:38,192 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 17:23:38,193 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 17:23:38,193 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 17:23:38,196 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 17:23:38,198 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 17:23:38,199 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 17:23:38,199 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 17:23:38,201 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 17:23:38,202 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 17:23:38,203 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 17:23:38,205 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 17:23:38,206 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 17:23:38,207 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 17:23:38,207 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 17:23:38,207 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 17:23:38,208 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 17:23:38,208 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 17:23:38,210 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 17:23:38,232 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 17:23:38,233 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 17:23:38,235 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 17:23:38,235 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 17:23:38,236 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 17:23:38,236 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 17:23:38,236 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 17:23:38,236 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 17:23:38,236 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 17:23:38,237 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 17:23:38,238 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 17:23:38,238 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 17:23:38,238 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 17:23:38,239 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 17:23:38,239 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 17:23:38,239 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 17:23:38,239 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 17:23:38,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 17:23:38,240 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 17:23:38,240 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 17:23:38,240 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 17:23:38,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 17:23:38,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 17:23:38,241 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 17:23:38,241 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 17:23:38,241 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 17:23:38,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 17:23:38,242 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 17:23:38,242 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 -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 17:23:38,302 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 17:23:38,320 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 17:23:38,325 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 17:23:38,326 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 17:23:38,327 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 17:23:38,327 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product06.cil.c [2019-09-19 17:23:38,400 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07534127c/6f205816308349529e2bce1083df685d/FLAG77450ef70 [2019-09-19 17:23:38,938 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 17:23:38,939 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product06.cil.c [2019-09-19 17:23:38,963 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07534127c/6f205816308349529e2bce1083df685d/FLAG77450ef70 [2019-09-19 17:23:39,198 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07534127c/6f205816308349529e2bce1083df685d [2019-09-19 17:23:39,211 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 17:23:39,212 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 17:23:39,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 17:23:39,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 17:23:39,217 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 17:23:39,218 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:23:39" (1/1) ... [2019-09-19 17:23:39,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cf17af0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:23:39, skipping insertion in model container [2019-09-19 17:23:39,221 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:23:39" (1/1) ... [2019-09-19 17:23:39,227 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 17:23:39,283 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 17:23:39,703 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:23:39,729 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 17:23:39,847 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:23:39,894 INFO L192 MainTranslator]: Completed translation [2019-09-19 17:23:39,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:23:39 WrapperNode [2019-09-19 17:23:39,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 17:23:39,896 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 17:23:39,896 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 17:23:39,896 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 17:23:39,906 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:23:39" (1/1) ... [2019-09-19 17:23:39,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:23:39" (1/1) ... [2019-09-19 17:23:39,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:23:39" (1/1) ... [2019-09-19 17:23:39,924 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:23:39" (1/1) ... [2019-09-19 17:23:39,973 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:23:39" (1/1) ... [2019-09-19 17:23:39,984 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:23:39" (1/1) ... [2019-09-19 17:23:39,990 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:23:39" (1/1) ... [2019-09-19 17:23:40,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 17:23:40,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 17:23:40,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 17:23:40,005 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 17:23:40,007 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:23:39" (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 17:23:40,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 17:23:40,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 17:23:40,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 17:23:40,073 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 17:23:40,073 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 17:23:40,073 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 17:23:40,073 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 17:23:40,074 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 17:23:40,074 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 17:23:40,074 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 17:23:40,074 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 17:23:40,076 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 17:23:40,076 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 17:23:40,076 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 17:23:40,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-19 17:23:40,077 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 17:23:40,080 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-19 17:23:40,080 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 17:23:40,080 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 17:23:40,081 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 17:23:40,081 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 17:23:40,081 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 17:23:40,081 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 17:23:40,081 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-19 17:23:40,081 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 17:23:40,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 17:23:40,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 17:23:40,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 17:23:40,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 17:23:40,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 17:23:40,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 17:23:40,083 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 17:23:40,083 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 17:23:40,083 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 17:23:40,083 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 17:23:40,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 17:23:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 17:23:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 17:23:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 17:23:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 17:23:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 17:23:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 17:23:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 17:23:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 17:23:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 17:23:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 17:23:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 17:23:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 17:23:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 17:23:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 17:23:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 17:23:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 17:23:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 17:23:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 17:23:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 17:23:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 17:23:40,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 17:23:40,088 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 17:23:40,088 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 17:23:40,089 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-19 17:23:40,089 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 17:23:40,089 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 17:23:40,089 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-19 17:23:40,090 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 17:23:40,090 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-19 17:23:40,090 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 17:23:40,090 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 17:23:40,090 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 17:23:40,090 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 17:23:40,091 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 17:23:40,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 17:23:40,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 17:23:40,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 17:23:40,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 17:23:40,093 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 17:23:40,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 17:23:40,094 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 17:23:40,095 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 17:23:40,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 17:23:40,096 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 17:23:40,096 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 17:23:40,096 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 17:23:40,097 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 17:23:40,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 17:23:40,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 17:23:40,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 17:23:41,695 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 17:23:41,695 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 17:23:41,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:23:41 BoogieIcfgContainer [2019-09-19 17:23:41,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 17:23:41,697 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 17:23:41,698 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 17:23:41,698 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 17:23:41,699 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:23:41" (1/1) ... [2019-09-19 17:23:41,700 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=AlwaysFluid ♦ 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=AlwaysFluid [2019-09-19 17:23:41,724 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 17:23:41,724 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 17:23:41,736 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 17:23:41,746 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 17:23:41,748 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 17:24:02,392 WARN L191 SmtUtils]: Spent 12.06 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-19 17:24:04,268 WARN L191 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 17:24:08,304 WARN L191 SmtUtils]: Spent 4.03 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-19 17:24:10,102 WARN L191 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 17:24:11,909 WARN L191 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 17:24:11,937 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 13 for LOIs [2019-09-19 17:24:11,982 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 13 for LOIs [2019-09-19 17:24:11,986 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 13 for LOIs [2019-09-19 17:24:12,780 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-19 17:24:12,829 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-19 17:24:12,851 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 1 for LOIs [2019-09-19 17:24:12,863 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 1 for LOIs [2019-09-19 17:24:12,865 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 17:24:12,866 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 17:24:12,868 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 967#true [2019-09-19 17:24:12,879 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 17:24:12,880 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 17:24:12,882 INFO L168 Benchmark]: Toolchain (without parser) took 33669.54 ms. Allocated memory was 138.9 MB in the beginning and 423.1 MB in the end (delta: 284.2 MB). Free memory was 85.8 MB in the beginning and 117.3 MB in the end (delta: -31.5 MB). Peak memory consumption was 252.6 MB. Max. memory is 7.1 GB. [2019-09-19 17:24:12,883 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 17:24:12,884 INFO L168 Benchmark]: CACSL2BoogieTranslator took 682.54 ms. Allocated memory was 138.9 MB in the beginning and 199.8 MB in the end (delta: 60.8 MB). Free memory was 85.5 MB in the beginning and 166.8 MB in the end (delta: -81.3 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2019-09-19 17:24:12,885 INFO L168 Benchmark]: Boogie Preprocessor took 108.87 ms. Allocated memory is still 199.8 MB. Free memory was 166.8 MB in the beginning and 162.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-19 17:24:12,886 INFO L168 Benchmark]: RCFGBuilder took 1692.13 ms. Allocated memory was 199.8 MB in the beginning and 222.8 MB in the end (delta: 23.1 MB). Free memory was 162.5 MB in the beginning and 155.1 MB in the end (delta: 7.4 MB). Peak memory consumption was 93.3 MB. Max. memory is 7.1 GB. [2019-09-19 17:24:12,887 INFO L168 Benchmark]: Sifa took 31182.47 ms. Allocated memory was 222.8 MB in the beginning and 423.1 MB in the end (delta: 200.3 MB). Free memory was 155.1 MB in the beginning and 117.3 MB in the end (delta: 37.8 MB). Peak memory consumption was 238.1 MB. Max. memory is 7.1 GB. [2019-09-19 17:24:12,891 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 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 682.54 ms. Allocated memory was 138.9 MB in the beginning and 199.8 MB in the end (delta: 60.8 MB). Free memory was 85.5 MB in the beginning and 166.8 MB in the end (delta: -81.3 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.87 ms. Allocated memory is still 199.8 MB. Free memory was 166.8 MB in the beginning and 162.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1692.13 ms. Allocated memory was 199.8 MB in the beginning and 222.8 MB in the end (delta: 23.1 MB). Free memory was 162.5 MB in the beginning and 155.1 MB in the end (delta: 7.4 MB). Peak memory consumption was 93.3 MB. Max. memory is 7.1 GB. * Sifa took 31182.47 ms. Allocated memory was 222.8 MB in the beginning and 423.1 MB in the end (delta: 200.3 MB). Free memory was 155.1 MB in the beginning and 117.3 MB in the end (delta: 37.8 MB). Peak memory consumption was 238.1 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]: 31144, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 335, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 216, TOOLS_POST_TIME[ms]: 26515, TOOLS_POST_CALL_APPLICATIONS: 91, TOOLS_POST_CALL_TIME[ms]: 69, TOOLS_POST_RETURN_APPLICATIONS: 82, TOOLS_POST_RETURN_TIME[ms]: 30, TOOLS_QUANTIFIERELIM_APPLICATIONS: 389, TOOLS_QUANTIFIERELIM_TIME[ms]: 26549, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 26468, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 347, FLUID_YES_ANSWERS: 347, DOMAIN_JOIN_APPLICATIONS: 89, DOMAIN_JOIN_TIME[ms]: 3998, DOMAIN_ALPHA_APPLICATIONS: 347, DOMAIN_ALPHA_TIME[ms]: 335, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 12, DOMAIN_ISSUBSETEQ_TIME[ms]: 6, DOMAIN_ISBOTTOM_APPLICATIONS: 50, DOMAIN_ISBOTTOM_TIME[ms]: 40, LOOP_SUMMARIZER_APPLICATIONS: 12, LOOP_SUMMARIZER_CACHE_MISSES: 12, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 598, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 597, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 12, CALL_SUMMARIZER_APPLICATIONS: 82, CALL_SUMMARIZER_CACHE_MISSES: 20, CALL_SUMMARIZER_OVERALL_TIME[ms]: 30286, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 30284, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 41, DAG_COMPRESSION_PROCESSED_NODES: 487, DAG_COMPRESSION_RETAINED_NODES: 273 - UnprovableResult [Line: 872]: 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 967#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...