./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec1_product16_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec1_product16_true-unreach-call_false-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 97e1e79d9f040fa1d57b96c793652004756593a5 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 18:43:14,193 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:43:14,195 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:43:14,207 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:43:14,208 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:43:14,209 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:43:14,210 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:43:14,212 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:43:14,214 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:43:14,215 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:43:14,216 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:43:14,216 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:43:14,217 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:43:14,218 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:43:14,220 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:43:14,221 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:43:14,222 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:43:14,224 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:43:14,226 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:43:14,228 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:43:14,229 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:43:14,230 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:43:14,233 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:43:14,234 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:43:14,234 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:43:14,235 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:43:14,236 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:43:14,237 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:43:14,238 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:43:14,239 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:43:14,240 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:43:14,241 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:43:14,241 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:43:14,241 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:43:14,242 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:43:14,244 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:43:14,244 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:43:14,276 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:43:14,279 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:43:14,280 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:43:14,280 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:43:14,281 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:43:14,282 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:43:14,283 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:43:14,283 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:43:14,283 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:43:14,283 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:43:14,283 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:43:14,284 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:43:14,285 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:43:14,285 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:43:14,285 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:43:14,286 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:43:14,286 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:43:14,286 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:43:14,286 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:43:14,286 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:43:14,286 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:43:14,289 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:43:14,289 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:43:14,289 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:43:14,290 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:43:14,290 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:43:14,290 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:43:14,291 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:43:14,291 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:43:14,291 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:43:14,291 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97e1e79d9f040fa1d57b96c793652004756593a5 [2018-11-28 18:43:14,355 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:43:14,373 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:43:14,381 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:43:14,382 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:43:14,383 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:43:14,383 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec1_product16_true-unreach-call_false-termination.cil.c [2018-11-28 18:43:14,438 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99743c708/01772b4f3dc14a64a696c4c53f699324/FLAG8a7a14fd8 [2018-11-28 18:43:14,977 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:43:14,978 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec1_product16_true-unreach-call_false-termination.cil.c [2018-11-28 18:43:14,991 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99743c708/01772b4f3dc14a64a696c4c53f699324/FLAG8a7a14fd8 [2018-11-28 18:43:15,256 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99743c708/01772b4f3dc14a64a696c4c53f699324 [2018-11-28 18:43:15,260 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:43:15,262 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:43:15,264 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:43:15,264 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:43:15,268 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:43:15,269 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:43:15" (1/1) ... [2018-11-28 18:43:15,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69e34a7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:15, skipping insertion in model container [2018-11-28 18:43:15,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:43:15" (1/1) ... [2018-11-28 18:43:15,284 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:43:15,358 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:43:15,757 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:43:15,773 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:43:15,865 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:43:15,910 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:43:15,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:15 WrapperNode [2018-11-28 18:43:15,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:43:15,912 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:43:15,912 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:43:15,912 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:43:15,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:15" (1/1) ... [2018-11-28 18:43:16,017 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:15" (1/1) ... [2018-11-28 18:43:16,029 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:43:16,030 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:43:16,032 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:43:16,032 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:43:16,042 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:15" (1/1) ... [2018-11-28 18:43:16,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:15" (1/1) ... [2018-11-28 18:43:16,047 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:15" (1/1) ... [2018-11-28 18:43:16,047 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:15" (1/1) ... [2018-11-28 18:43:16,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:15" (1/1) ... [2018-11-28 18:43:16,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:15" (1/1) ... [2018-11-28 18:43:16,070 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:15" (1/1) ... [2018-11-28 18:43:16,073 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:43:16,074 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:43:16,074 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:43:16,074 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:43:16,075 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:15" (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 [2018-11-28 18:43:16,143 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:43:16,144 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:43:16,144 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:43:16,144 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:43:16,144 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 18:43:16,144 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 18:43:16,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:43:16,146 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:43:16,146 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:43:16,146 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:43:16,146 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:43:16,146 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:43:16,147 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:43:16,148 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:43:16,148 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:43:16,148 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:43:16,148 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:43:16,148 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:43:16,148 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:43:16,149 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:43:16,149 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:43:16,149 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 18:43:16,149 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 18:43:16,149 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:43:16,149 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:43:16,149 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:43:16,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:43:16,153 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:43:16,153 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:43:16,153 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 18:43:16,153 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 18:43:16,153 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:43:16,153 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:43:16,154 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:43:16,154 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:43:16,154 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 18:43:16,154 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 18:43:16,154 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:43:16,154 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:43:16,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:43:16,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:43:16,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:43:16,155 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:43:16,155 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:43:16,155 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:43:16,155 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:43:16,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:43:16,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:43:16,156 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-28 18:43:16,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-28 18:43:17,039 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:43:17,039 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:43:17,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:43:17 BoogieIcfgContainer [2018-11-28 18:43:17,040 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:43:17,041 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:43:17,041 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:43:17,045 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:43:17,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:43:15" (1/3) ... [2018-11-28 18:43:17,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5024a0ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:43:17, skipping insertion in model container [2018-11-28 18:43:17,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:15" (2/3) ... [2018-11-28 18:43:17,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5024a0ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:43:17, skipping insertion in model container [2018-11-28 18:43:17,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:43:17" (3/3) ... [2018-11-28 18:43:17,050 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product16_true-unreach-call_false-termination.cil.c [2018-11-28 18:43:17,061 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:43:17,070 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:43:17,090 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:43:17,126 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:43:17,127 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:43:17,127 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:43:17,127 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:43:17,128 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:43:17,128 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:43:17,128 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:43:17,128 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:43:17,129 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:43:17,160 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states. [2018-11-28 18:43:17,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 18:43:17,172 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:17,174 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:17,177 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:17,184 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:17,185 INFO L82 PathProgramCache]: Analyzing trace with hash -1431343604, now seen corresponding path program 1 times [2018-11-28 18:43:17,187 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:17,188 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:17,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:17,245 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:17,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:17,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:17,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:43:17,545 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:17,546 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:43:17,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:43:17,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:43:17,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:43:17,565 INFO L87 Difference]: Start difference. First operand 122 states. Second operand 2 states. [2018-11-28 18:43:17,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:17,618 INFO L93 Difference]: Finished difference Result 218 states and 273 transitions. [2018-11-28 18:43:17,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:43:17,619 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 18:43:17,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:17,632 INFO L225 Difference]: With dead ends: 218 [2018-11-28 18:43:17,632 INFO L226 Difference]: Without dead ends: 109 [2018-11-28 18:43:17,636 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:43:17,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-11-28 18:43:17,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2018-11-28 18:43:17,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-11-28 18:43:17,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 128 transitions. [2018-11-28 18:43:17,719 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 128 transitions. Word has length 46 [2018-11-28 18:43:17,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:17,720 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 128 transitions. [2018-11-28 18:43:17,720 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:43:17,720 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 128 transitions. [2018-11-28 18:43:17,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 18:43:17,727 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:17,727 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:17,727 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:17,728 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:17,728 INFO L82 PathProgramCache]: Analyzing trace with hash -840947879, now seen corresponding path program 1 times [2018-11-28 18:43:17,728 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:17,728 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:17,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:17,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:17,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:17,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:17,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:43:17,921 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:17,921 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:43:17,923 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:43:17,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:43:17,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:43:17,924 INFO L87 Difference]: Start difference. First operand 109 states and 128 transitions. Second operand 3 states. [2018-11-28 18:43:17,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:17,959 INFO L93 Difference]: Finished difference Result 157 states and 183 transitions. [2018-11-28 18:43:17,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:43:17,961 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 18:43:17,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:17,964 INFO L225 Difference]: With dead ends: 157 [2018-11-28 18:43:17,964 INFO L226 Difference]: Without dead ends: 100 [2018-11-28 18:43:17,966 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:43:17,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-11-28 18:43:17,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-11-28 18:43:17,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-11-28 18:43:17,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 116 transitions. [2018-11-28 18:43:17,992 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 116 transitions. Word has length 47 [2018-11-28 18:43:17,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:17,993 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 116 transitions. [2018-11-28 18:43:17,993 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:43:17,993 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 116 transitions. [2018-11-28 18:43:17,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 18:43:18,000 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:18,000 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:18,000 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:18,001 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:18,001 INFO L82 PathProgramCache]: Analyzing trace with hash -990568758, now seen corresponding path program 1 times [2018-11-28 18:43:18,001 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:18,001 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:18,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:18,006 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:18,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:18,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:18,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:43:18,258 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:18,258 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:43:18,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:43:18,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:43:18,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:43:18,261 INFO L87 Difference]: Start difference. First operand 100 states and 116 transitions. Second operand 7 states. [2018-11-28 18:43:19,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:19,761 INFO L93 Difference]: Finished difference Result 302 states and 368 transitions. [2018-11-28 18:43:19,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:43:19,763 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-28 18:43:19,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:19,770 INFO L225 Difference]: With dead ends: 302 [2018-11-28 18:43:19,775 INFO L226 Difference]: Without dead ends: 226 [2018-11-28 18:43:19,777 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:43:19,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2018-11-28 18:43:19,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 214. [2018-11-28 18:43:19,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2018-11-28 18:43:19,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 260 transitions. [2018-11-28 18:43:19,834 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 260 transitions. Word has length 52 [2018-11-28 18:43:19,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:19,835 INFO L480 AbstractCegarLoop]: Abstraction has 214 states and 260 transitions. [2018-11-28 18:43:19,835 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:43:19,835 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 260 transitions. [2018-11-28 18:43:19,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 18:43:19,839 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:19,840 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:19,840 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:19,840 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:19,840 INFO L82 PathProgramCache]: Analyzing trace with hash 420429627, now seen corresponding path program 1 times [2018-11-28 18:43:19,841 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:19,842 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:19,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:19,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:19,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:20,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:43:20,011 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:20,011 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:43:20,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:43:20,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:43:20,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:43:20,013 INFO L87 Difference]: Start difference. First operand 214 states and 260 transitions. Second operand 6 states. [2018-11-28 18:43:20,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:20,638 INFO L93 Difference]: Finished difference Result 579 states and 728 transitions. [2018-11-28 18:43:20,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:43:20,639 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-11-28 18:43:20,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:20,645 INFO L225 Difference]: With dead ends: 579 [2018-11-28 18:43:20,645 INFO L226 Difference]: Without dead ends: 389 [2018-11-28 18:43:20,647 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:43:20,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2018-11-28 18:43:20,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 383. [2018-11-28 18:43:20,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-11-28 18:43:20,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 470 transitions. [2018-11-28 18:43:20,701 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 470 transitions. Word has length 57 [2018-11-28 18:43:20,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:20,702 INFO L480 AbstractCegarLoop]: Abstraction has 383 states and 470 transitions. [2018-11-28 18:43:20,702 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:43:20,702 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 470 transitions. [2018-11-28 18:43:20,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-28 18:43:20,708 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:20,708 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:20,708 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:20,708 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:20,709 INFO L82 PathProgramCache]: Analyzing trace with hash -277095649, now seen corresponding path program 1 times [2018-11-28 18:43:20,709 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:20,709 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:20,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:20,710 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:20,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:20,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:20,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:43:20,915 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:20,915 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:43:20,915 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:43:20,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:43:20,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:43:20,916 INFO L87 Difference]: Start difference. First operand 383 states and 470 transitions. Second operand 7 states. [2018-11-28 18:43:21,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:21,415 INFO L93 Difference]: Finished difference Result 657 states and 828 transitions. [2018-11-28 18:43:21,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:43:21,419 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2018-11-28 18:43:21,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:21,422 INFO L225 Difference]: With dead ends: 657 [2018-11-28 18:43:21,422 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:43:21,426 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-28 18:43:21,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:43:21,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:43:21,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:43:21,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:43:21,428 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2018-11-28 18:43:21,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:21,429 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:43:21,429 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:43:21,429 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:43:21,429 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:43:21,434 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:43:21,875 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 17 [2018-11-28 18:43:22,154 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 11 [2018-11-28 18:43:22,515 WARN L180 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 8 [2018-11-28 18:43:22,727 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 1 [2018-11-28 18:43:23,006 WARN L180 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 10 [2018-11-28 18:43:23,405 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 1 [2018-11-28 18:43:23,622 WARN L180 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 4 [2018-11-28 18:43:23,915 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 1 [2018-11-28 18:43:24,147 WARN L180 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 9 [2018-11-28 18:43:24,386 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 755 762) the Hoare annotation is: true [2018-11-28 18:43:24,386 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 755 762) no Hoare annotation was computed. [2018-11-28 18:43:24,386 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 755 762) no Hoare annotation was computed. [2018-11-28 18:43:24,387 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 705 729) no Hoare annotation was computed. [2018-11-28 18:43:24,387 INFO L444 ceAbstractionStarter]: At program point L724(line 724) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:43:24,387 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 705 729) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:43:24,387 INFO L448 ceAbstractionStarter]: For program point L724-1(lines 705 729) no Hoare annotation was computed. [2018-11-28 18:43:24,387 INFO L444 ceAbstractionStarter]: At program point L719(line 719) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 18:43:24,387 INFO L444 ceAbstractionStarter]: At program point L715(line 715) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 18:43:24,388 INFO L448 ceAbstractionStarter]: For program point L713(lines 713 721) no Hoare annotation was computed. [2018-11-28 18:43:24,390 INFO L444 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 18:43:24,390 INFO L448 ceAbstractionStarter]: For program point L711-1(line 711) no Hoare annotation was computed. [2018-11-28 18:43:24,390 INFO L448 ceAbstractionStarter]: For program point L709(lines 709 726) no Hoare annotation was computed. [2018-11-28 18:43:24,390 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 175 181) the Hoare annotation is: true [2018-11-28 18:43:24,390 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 175 181) no Hoare annotation was computed. [2018-11-28 18:43:24,390 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 182 190) no Hoare annotation was computed. [2018-11-28 18:43:24,390 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 182 190) the Hoare annotation is: true [2018-11-28 18:43:24,390 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 182 190) no Hoare annotation was computed. [2018-11-28 18:43:24,392 INFO L444 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:24,392 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 843 910) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:24,392 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 869) no Hoare annotation was computed. [2018-11-28 18:43:24,393 INFO L448 ceAbstractionStarter]: For program point L863-1(lines 863 869) no Hoare annotation was computed. [2018-11-28 18:43:24,393 INFO L448 ceAbstractionStarter]: For program point L855(lines 855 859) no Hoare annotation was computed. [2018-11-28 18:43:24,393 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 843 910) no Hoare annotation was computed. [2018-11-28 18:43:24,393 INFO L444 ceAbstractionStarter]: At program point L903(lines 852 904) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:24,393 INFO L444 ceAbstractionStarter]: At program point L893(line 893) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:24,393 INFO L448 ceAbstractionStarter]: For program point L891(lines 891 897) no Hoare annotation was computed. [2018-11-28 18:43:24,393 INFO L444 ceAbstractionStarter]: At program point L891-1(lines 883 898) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:24,393 INFO L448 ceAbstractionStarter]: For program point L854(lines 853 902) no Hoare annotation was computed. [2018-11-28 18:43:24,396 INFO L444 ceAbstractionStarter]: At program point L885(line 885) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= test_~splverifierCounter~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:24,396 INFO L448 ceAbstractionStarter]: For program point L883(lines 883 898) no Hoare annotation was computed. [2018-11-28 18:43:24,396 INFO L444 ceAbstractionStarter]: At program point L875(line 875) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:24,397 INFO L448 ceAbstractionStarter]: For program point L873(lines 873 879) no Hoare annotation was computed. [2018-11-28 18:43:24,397 INFO L448 ceAbstractionStarter]: For program point L873-1(lines 873 879) no Hoare annotation was computed. [2018-11-28 18:43:24,397 INFO L444 ceAbstractionStarter]: At program point L900(lines 853 902) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:24,397 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 843 910) no Hoare annotation was computed. [2018-11-28 18:43:24,397 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 267 289) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:24,397 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 267 289) no Hoare annotation was computed. [2018-11-28 18:43:24,397 INFO L444 ceAbstractionStarter]: At program point L279(line 279) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 18:43:24,398 INFO L444 ceAbstractionStarter]: At program point L279-1(line 279) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 18:43:24,398 INFO L448 ceAbstractionStarter]: For program point L277(lines 277 284) no Hoare annotation was computed. [2018-11-28 18:43:24,398 INFO L448 ceAbstractionStarter]: For program point L277-1(lines 277 284) no Hoare annotation was computed. [2018-11-28 18:43:24,398 INFO L448 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2018-11-28 18:43:24,398 INFO L444 ceAbstractionStarter]: At program point L274(line 274) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:24,398 INFO L444 ceAbstractionStarter]: At program point L273(line 273) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:24,398 INFO L444 ceAbstractionStarter]: At program point L273-1(line 273) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:24,398 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 267 289) no Hoare annotation was computed. [2018-11-28 18:43:24,399 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 697 703) no Hoare annotation was computed. [2018-11-28 18:43:24,399 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 697 703) the Hoare annotation is: true [2018-11-28 18:43:24,399 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 819 833) no Hoare annotation was computed. [2018-11-28 18:43:24,399 INFO L444 ceAbstractionStarter]: At program point L825(line 825) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-28 18:43:24,399 INFO L448 ceAbstractionStarter]: For program point L823(lines 823 829) no Hoare annotation was computed. [2018-11-28 18:43:24,399 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 819 833) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse0 (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))))) [2018-11-28 18:43:24,399 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 819 833) no Hoare annotation was computed. [2018-11-28 18:43:24,399 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 774 782) no Hoare annotation was computed. [2018-11-28 18:43:24,399 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 774 782) the Hoare annotation is: true [2018-11-28 18:43:24,400 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 774 782) no Hoare annotation was computed. [2018-11-28 18:43:24,400 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:43:24,400 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-28 18:43:24,400 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:43:24,400 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 ~methaneLevelCritical~0)) [2018-11-28 18:43:24,400 INFO L448 ceAbstractionStarter]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2018-11-28 18:43:24,400 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2018-11-28 18:43:24,400 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 673 696) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:43:24,400 INFO L444 ceAbstractionStarter]: At program point L686(line 686) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 18:43:24,401 INFO L444 ceAbstractionStarter]: At program point L684(lines 684 690) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:43:24,401 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 673 696) no Hoare annotation was computed. [2018-11-28 18:43:24,401 INFO L444 ceAbstractionStarter]: At program point L679(line 679) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-28 18:43:24,401 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 673 696) no Hoare annotation was computed. [2018-11-28 18:43:24,401 INFO L448 ceAbstractionStarter]: For program point L677(lines 676 695) no Hoare annotation was computed. [2018-11-28 18:43:24,401 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 194 223) no Hoare annotation was computed. [2018-11-28 18:43:24,401 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 194 223) the Hoare annotation is: true [2018-11-28 18:43:24,401 INFO L451 ceAbstractionStarter]: At program point L219(lines 194 223) the Hoare annotation is: true [2018-11-28 18:43:24,401 INFO L448 ceAbstractionStarter]: For program point L215(line 215) no Hoare annotation was computed. [2018-11-28 18:43:24,402 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 212) no Hoare annotation was computed. [2018-11-28 18:43:24,402 INFO L451 ceAbstractionStarter]: At program point L208-1(lines 208 212) the Hoare annotation is: true [2018-11-28 18:43:24,402 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-11-28 18:43:24,402 INFO L451 ceAbstractionStarter]: At program point L204-2(lines 204 218) the Hoare annotation is: true [2018-11-28 18:43:24,402 INFO L451 ceAbstractionStarter]: At program point L200(line 200) the Hoare annotation is: true [2018-11-28 18:43:24,402 INFO L448 ceAbstractionStarter]: For program point L200-1(line 200) no Hoare annotation was computed. [2018-11-28 18:43:24,402 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2018-11-28 18:43:24,402 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2018-11-28 18:43:24,402 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2018-11-28 18:43:24,402 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2018-11-28 18:43:24,403 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2018-11-28 18:43:24,403 INFO L448 ceAbstractionStarter]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2018-11-28 18:43:24,403 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 168 174) no Hoare annotation was computed. [2018-11-28 18:43:24,403 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 168 174) the Hoare annotation is: true [2018-11-28 18:43:24,403 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 249 255) no Hoare annotation was computed. [2018-11-28 18:43:24,403 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 249 255) the Hoare annotation is: true [2018-11-28 18:43:24,403 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:43:24,403 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-28 18:43:24,403 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:43:24,404 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:43:24,404 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 834 841) no Hoare annotation was computed. [2018-11-28 18:43:24,404 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 834 841) the Hoare annotation is: true [2018-11-28 18:43:24,404 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 834 841) no Hoare annotation was computed. [2018-11-28 18:43:24,404 INFO L448 ceAbstractionStarter]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2018-11-28 18:43:24,404 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2018-11-28 18:43:24,404 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: true [2018-11-28 18:43:24,404 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 291 298) no Hoare annotation was computed. [2018-11-28 18:43:24,404 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 295) no Hoare annotation was computed. [2018-11-28 18:43:24,405 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 291 298) the Hoare annotation is: true [2018-11-28 18:43:24,405 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 291 298) no Hoare annotation was computed. [2018-11-28 18:43:24,405 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 257 266) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:24,405 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 257 266) no Hoare annotation was computed. [2018-11-28 18:43:24,405 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 257 266) no Hoare annotation was computed. [2018-11-28 18:43:24,405 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 128 152) the Hoare annotation is: true [2018-11-28 18:43:24,405 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 128 152) no Hoare annotation was computed. [2018-11-28 18:43:24,405 INFO L444 ceAbstractionStarter]: At program point L142(line 142) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-28 18:43:24,406 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 146) no Hoare annotation was computed. [2018-11-28 18:43:24,406 INFO L444 ceAbstractionStarter]: At program point L138(line 138) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 18:43:24,406 INFO L448 ceAbstractionStarter]: For program point L138-1(line 138) no Hoare annotation was computed. [2018-11-28 18:43:24,406 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 149) no Hoare annotation was computed. [2018-11-28 18:43:24,406 INFO L448 ceAbstractionStarter]: For program point L136-1(lines 128 152) no Hoare annotation was computed. [2018-11-28 18:43:24,406 INFO L451 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: true [2018-11-28 18:43:24,406 INFO L448 ceAbstractionStarter]: For program point L134-1(line 134) no Hoare annotation was computed. [2018-11-28 18:43:24,406 INFO L451 ceAbstractionStarter]: At program point L768(line 768) the Hoare annotation is: true [2018-11-28 18:43:24,406 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 763 773) the Hoare annotation is: true [2018-11-28 18:43:24,407 INFO L448 ceAbstractionStarter]: For program point L768-1(line 768) no Hoare annotation was computed. [2018-11-28 18:43:24,407 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 763 773) no Hoare annotation was computed. [2018-11-28 18:43:24,407 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 763 773) no Hoare annotation was computed. [2018-11-28 18:43:24,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:43:24 BoogieIcfgContainer [2018-11-28 18:43:24,428 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:43:24,428 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:43:24,428 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:43:24,429 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:43:24,431 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:43:17" (3/4) ... [2018-11-28 18:43:24,436 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:43:24,442 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 18:43:24,442 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:43:24,442 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:43:24,442 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:43:24,442 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:43:24,442 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:43:24,443 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-28 18:43:24,443 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-28 18:43:24,443 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:43:24,443 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:43:24,443 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:43:24,443 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:43:24,443 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:43:24,443 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 18:43:24,443 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:43:24,445 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:43:24,445 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:43:24,445 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 18:43:24,445 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:43:24,446 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:43:24,446 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:43:24,446 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-28 18:43:24,446 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 18:43:24,455 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-11-28 18:43:24,455 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-28 18:43:24,456 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-28 18:43:24,456 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 18:43:24,458 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:43:24,458 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:43:24,490 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:43:24,490 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:43:24,554 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:43:24,555 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:43:24,556 INFO L168 Benchmark]: Toolchain (without parser) took 9294.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 208.1 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -135.1 MB). Peak memory consumption was 73.0 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:24,556 INFO L168 Benchmark]: CDTParser took 0.57 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:43:24,558 INFO L168 Benchmark]: CACSL2BoogieTranslator took 647.67 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 924.5 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:24,558 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 924.5 MB in the beginning and 1.1 GB in the end (delta: -201.4 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:24,559 INFO L168 Benchmark]: Boogie Preprocessor took 43.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:43:24,559 INFO L168 Benchmark]: RCFGBuilder took 966.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.4 MB). Peak memory consumption was 45.4 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:24,559 INFO L168 Benchmark]: TraceAbstraction took 7387.17 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -13.9 MB). Peak memory consumption was 280.4 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:24,564 INFO L168 Benchmark]: Witness Printer took 126.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:24,567 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 647.67 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 924.5 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 117.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 924.5 MB in the beginning and 1.1 GB in the end (delta: -201.4 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 966.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.4 MB). Peak memory consumption was 45.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7387.17 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -13.9 MB). Peak memory consumption was 280.4 MB. Max. memory is 11.5 GB. * Witness Printer took 126.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 295]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 122 locations, 1 error locations. SAFE Result, 7.2s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 2.7s AutomataDifference, 0.0s DeadEndRemovalTime, 2.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 606 SDtfs, 346 SDslu, 1154 SDs, 0 SdLazy, 415 SolverSat, 71 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=383occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 444 PreInvPairs, 491 NumberOfFragments, 499 HoareAnnotationTreeSize, 444 FomulaSimplifications, 443 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 53 FomulaSimplificationsInter, 1838 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 263 NumberOfCodeBlocks, 263 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 25848 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...