./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec1_product08_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_product08_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 520d1ef87fba3e5b4f18d6fa521fb45229d37053 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:43:06,153 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:43:06,156 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:43:06,172 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:43:06,174 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:43:06,175 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:43:06,179 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:43:06,182 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:43:06,185 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:43:06,187 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:43:06,190 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:43:06,191 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:43:06,192 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:43:06,195 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:43:06,205 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:43:06,205 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:43:06,206 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:43:06,211 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:43:06,215 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:43:06,217 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:43:06,219 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:43:06,224 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:43:06,230 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:43:06,230 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:43:06,230 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:43:06,231 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:43:06,233 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:43:06,234 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:43:06,234 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:43:06,237 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:43:06,237 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:43:06,238 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:43:06,238 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:43:06,239 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:43:06,242 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:43:06,243 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:43:06,243 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:43:06,270 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:43:06,271 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:43:06,272 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:43:06,273 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:43:06,273 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:43:06,273 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:43:06,274 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:43:06,274 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:43:06,274 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:43:06,274 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:43:06,274 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:43:06,275 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:43:06,277 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:43:06,277 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:43:06,277 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:43:06,277 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:43:06,278 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:43:06,278 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:43:06,278 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:43:06,278 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:43:06,278 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:43:06,279 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:43:06,279 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:43:06,279 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:43:06,279 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:43:06,279 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:43:06,279 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:43:06,279 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:43:06,283 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:43:06,283 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:43:06,284 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 -> 520d1ef87fba3e5b4f18d6fa521fb45229d37053 [2018-11-28 18:43:06,330 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:43:06,342 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:43:06,351 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:43:06,353 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:43:06,353 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:43:06,354 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec1_product08_true-unreach-call_false-termination.cil.c [2018-11-28 18:43:06,415 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c522e181/f8c57f8629ed4e1f9f3c770a94d96aff/FLAG4039b0e1e [2018-11-28 18:43:06,894 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:43:06,895 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec1_product08_true-unreach-call_false-termination.cil.c [2018-11-28 18:43:06,911 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c522e181/f8c57f8629ed4e1f9f3c770a94d96aff/FLAG4039b0e1e [2018-11-28 18:43:07,210 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c522e181/f8c57f8629ed4e1f9f3c770a94d96aff [2018-11-28 18:43:07,214 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:43:07,216 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:43:07,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:43:07,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:43:07,222 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:43:07,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:43:07" (1/1) ... [2018-11-28 18:43:07,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29ca5205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:07, skipping insertion in model container [2018-11-28 18:43:07,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:43:07" (1/1) ... [2018-11-28 18:43:07,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:43:07,300 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:43:07,721 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:43:07,756 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:43:07,845 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:43:07,881 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:43:07,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:07 WrapperNode [2018-11-28 18:43:07,881 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:43:07,882 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:43:07,882 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:43:07,883 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:43:07,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:07" (1/1) ... [2018-11-28 18:43:08,014 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:07" (1/1) ... [2018-11-28 18:43:08,030 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:43:08,030 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:43:08,030 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:43:08,030 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:43:08,043 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:07" (1/1) ... [2018-11-28 18:43:08,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:07" (1/1) ... [2018-11-28 18:43:08,049 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:07" (1/1) ... [2018-11-28 18:43:08,050 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:07" (1/1) ... [2018-11-28 18:43:08,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:07" (1/1) ... [2018-11-28 18:43:08,087 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:07" (1/1) ... [2018-11-28 18:43:08,090 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:07" (1/1) ... [2018-11-28 18:43:08,095 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:43:08,095 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:43:08,095 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:43:08,095 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:43:08,097 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:07" (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 18:43:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:43:08,173 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:43:08,174 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:43:08,174 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:43:08,174 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 18:43:08,174 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 18:43:08,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:43:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:43:08,176 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:43:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:43:08,177 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:43:08,177 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:43:08,177 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:43:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:43:08,178 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:43:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:43:08,179 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:43:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:43:08,179 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:43:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:43:08,181 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:43:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:43:08,181 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:43:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 18:43:08,181 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 18:43:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:43:08,182 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:43:08,183 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:43:08,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:43:08,184 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:43:08,184 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:43:08,184 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:43:08,184 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:43:08,184 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:43:08,186 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:43:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 18:43:08,186 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 18:43:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:43:08,186 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:43:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:43:08,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:43:08,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:43:08,187 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:43:08,187 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:43:08,187 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:43:08,187 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:43:08,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:43:08,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:43:08,189 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-28 18:43:08,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-28 18:43:09,206 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:43:09,208 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:43:09,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:43:09 BoogieIcfgContainer [2018-11-28 18:43:09,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:43:09,210 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:43:09,210 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:43:09,215 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:43:09,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:43:07" (1/3) ... [2018-11-28 18:43:09,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13edfd0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:43:09, skipping insertion in model container [2018-11-28 18:43:09,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:07" (2/3) ... [2018-11-28 18:43:09,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13edfd0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:43:09, skipping insertion in model container [2018-11-28 18:43:09,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:43:09" (3/3) ... [2018-11-28 18:43:09,221 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product08_true-unreach-call_false-termination.cil.c [2018-11-28 18:43:09,233 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:43:09,245 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:43:09,266 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:43:09,311 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:43:09,312 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:43:09,312 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:43:09,313 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:43:09,314 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:43:09,314 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:43:09,314 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:43:09,314 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:43:09,315 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:43:09,350 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states. [2018-11-28 18:43:09,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 18:43:09,363 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:09,364 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 18:43:09,368 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:09,378 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:09,378 INFO L82 PathProgramCache]: Analyzing trace with hash -148281775, now seen corresponding path program 1 times [2018-11-28 18:43:09,381 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:09,382 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:09,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:09,445 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:09,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:09,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:09,775 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 18:43:09,778 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:09,778 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:43:09,783 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:43:09,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:43:09,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:43:09,802 INFO L87 Difference]: Start difference. First operand 122 states. Second operand 2 states. [2018-11-28 18:43:09,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:09,842 INFO L93 Difference]: Finished difference Result 218 states and 273 transitions. [2018-11-28 18:43:09,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:43:09,844 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 18:43:09,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:09,856 INFO L225 Difference]: With dead ends: 218 [2018-11-28 18:43:09,856 INFO L226 Difference]: Without dead ends: 109 [2018-11-28 18:43:09,861 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 18:43:09,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-11-28 18:43:09,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2018-11-28 18:43:09,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-11-28 18:43:09,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 128 transitions. [2018-11-28 18:43:09,925 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 128 transitions. Word has length 46 [2018-11-28 18:43:09,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:09,925 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 128 transitions. [2018-11-28 18:43:09,925 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:43:09,926 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 128 transitions. [2018-11-28 18:43:09,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 18:43:09,930 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:09,930 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 18:43:09,931 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:09,931 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:09,931 INFO L82 PathProgramCache]: Analyzing trace with hash 2062648444, now seen corresponding path program 1 times [2018-11-28 18:43:09,932 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:09,932 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:09,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:09,934 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:09,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:10,101 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 18:43:10,102 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:10,102 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:43:10,104 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:43:10,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:43:10,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:43:10,108 INFO L87 Difference]: Start difference. First operand 109 states and 128 transitions. Second operand 3 states. [2018-11-28 18:43:10,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:10,144 INFO L93 Difference]: Finished difference Result 157 states and 183 transitions. [2018-11-28 18:43:10,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:43:10,145 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 18:43:10,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:10,149 INFO L225 Difference]: With dead ends: 157 [2018-11-28 18:43:10,149 INFO L226 Difference]: Without dead ends: 100 [2018-11-28 18:43:10,151 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 18:43:10,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-11-28 18:43:10,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-11-28 18:43:10,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-11-28 18:43:10,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 116 transitions. [2018-11-28 18:43:10,178 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 116 transitions. Word has length 47 [2018-11-28 18:43:10,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:10,178 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 116 transitions. [2018-11-28 18:43:10,179 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:43:10,179 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 116 transitions. [2018-11-28 18:43:10,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 18:43:10,186 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:10,186 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 18:43:10,186 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:10,186 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:10,187 INFO L82 PathProgramCache]: Analyzing trace with hash -81715705, now seen corresponding path program 1 times [2018-11-28 18:43:10,187 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:10,187 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:10,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:10,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:10,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:10,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:10,637 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 18:43:10,637 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:10,637 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:43:10,638 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:43:10,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:43:10,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:43:10,640 INFO L87 Difference]: Start difference. First operand 100 states and 116 transitions. Second operand 7 states. [2018-11-28 18:43:11,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:11,673 INFO L93 Difference]: Finished difference Result 302 states and 368 transitions. [2018-11-28 18:43:11,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:43:11,673 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-28 18:43:11,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:11,680 INFO L225 Difference]: With dead ends: 302 [2018-11-28 18:43:11,680 INFO L226 Difference]: Without dead ends: 226 [2018-11-28 18:43:11,682 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:43:11,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2018-11-28 18:43:11,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 214. [2018-11-28 18:43:11,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2018-11-28 18:43:11,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 260 transitions. [2018-11-28 18:43:11,722 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 260 transitions. Word has length 52 [2018-11-28 18:43:11,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:11,722 INFO L480 AbstractCegarLoop]: Abstraction has 214 states and 260 transitions. [2018-11-28 18:43:11,722 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:43:11,723 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 260 transitions. [2018-11-28 18:43:11,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 18:43:11,726 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:11,727 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:11,727 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:11,727 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:11,727 INFO L82 PathProgramCache]: Analyzing trace with hash 64357365, now seen corresponding path program 1 times [2018-11-28 18:43:11,728 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:11,728 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:11,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:11,731 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:11,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:11,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:11,903 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 18:43:11,903 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:11,903 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:43:11,904 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:43:11,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:43:11,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:43:11,906 INFO L87 Difference]: Start difference. First operand 214 states and 260 transitions. Second operand 6 states. [2018-11-28 18:43:12,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:12,748 INFO L93 Difference]: Finished difference Result 579 states and 728 transitions. [2018-11-28 18:43:12,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:43:12,753 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-11-28 18:43:12,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:12,764 INFO L225 Difference]: With dead ends: 579 [2018-11-28 18:43:12,769 INFO L226 Difference]: Without dead ends: 389 [2018-11-28 18:43:12,771 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 18:43:12,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2018-11-28 18:43:12,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 383. [2018-11-28 18:43:12,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-11-28 18:43:12,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 470 transitions. [2018-11-28 18:43:12,850 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 470 transitions. Word has length 57 [2018-11-28 18:43:12,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:12,851 INFO L480 AbstractCegarLoop]: Abstraction has 383 states and 470 transitions. [2018-11-28 18:43:12,851 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:43:12,851 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 470 transitions. [2018-11-28 18:43:12,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-28 18:43:12,859 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:12,860 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 18:43:12,860 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:12,860 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:12,860 INFO L82 PathProgramCache]: Analyzing trace with hash 204580953, now seen corresponding path program 1 times [2018-11-28 18:43:12,861 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:12,862 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:12,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:12,863 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:12,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:12,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:13,138 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 18:43:13,138 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:13,139 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:43:13,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:43:13,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:43:13,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:43:13,140 INFO L87 Difference]: Start difference. First operand 383 states and 470 transitions. Second operand 7 states. [2018-11-28 18:43:13,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:13,656 INFO L93 Difference]: Finished difference Result 657 states and 828 transitions. [2018-11-28 18:43:13,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:43:13,660 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2018-11-28 18:43:13,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:13,660 INFO L225 Difference]: With dead ends: 657 [2018-11-28 18:43:13,660 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:43:13,663 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-28 18:43:13,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:43:13,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:43:13,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:43:13,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:43:13,665 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2018-11-28 18:43:13,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:13,665 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:43:13,665 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:43:13,665 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:43:13,665 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:43:13,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:43:14,012 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 9 [2018-11-28 18:43:14,658 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 7 [2018-11-28 18:43:15,104 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 4 [2018-11-28 18:43:15,489 WARN L180 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 7 [2018-11-28 18:43:15,686 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 191 198) the Hoare annotation is: true [2018-11-28 18:43:15,686 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 191 198) no Hoare annotation was computed. [2018-11-28 18:43:15,687 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 191 198) no Hoare annotation was computed. [2018-11-28 18:43:15,687 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 158 182) no Hoare annotation was computed. [2018-11-28 18:43:15,687 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 158 182) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:43:15,687 INFO L444 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:43:15,687 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 158 182) no Hoare annotation was computed. [2018-11-28 18:43:15,689 INFO L444 ceAbstractionStarter]: At program point L172(line 172) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 18:43:15,689 INFO L444 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 18:43:15,689 INFO L448 ceAbstractionStarter]: For program point L166(lines 166 174) no Hoare annotation was computed. [2018-11-28 18:43:15,689 INFO L444 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 18:43:15,689 INFO L448 ceAbstractionStarter]: For program point L164-1(line 164) no Hoare annotation was computed. [2018-11-28 18:43:15,689 INFO L448 ceAbstractionStarter]: For program point L162(lines 162 179) no Hoare annotation was computed. [2018-11-28 18:43:15,689 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 666 672) the Hoare annotation is: true [2018-11-28 18:43:15,691 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 666 672) no Hoare annotation was computed. [2018-11-28 18:43:15,691 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 150 156) no Hoare annotation was computed. [2018-11-28 18:43:15,691 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 150 156) the Hoare annotation is: true [2018-11-28 18:43:15,691 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 673 681) no Hoare annotation was computed. [2018-11-28 18:43:15,691 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 673 681) the Hoare annotation is: true [2018-11-28 18:43:15,691 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 673 681) no Hoare annotation was computed. [2018-11-28 18:43:15,691 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 66 72) no Hoare annotation was computed. [2018-11-28 18:43:15,692 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 46 113) 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 18:43:15,693 INFO L448 ceAbstractionStarter]: For program point L58(lines 58 62) no Hoare annotation was computed. [2018-11-28 18:43:15,693 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 46 113) no Hoare annotation was computed. [2018-11-28 18:43:15,694 INFO L444 ceAbstractionStarter]: At program point L106(lines 55 107) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:15,694 INFO L444 ceAbstractionStarter]: At program point L96(line 96) 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 18:43:15,694 INFO L448 ceAbstractionStarter]: For program point L94(lines 94 100) no Hoare annotation was computed. [2018-11-28 18:43:15,694 INFO L444 ceAbstractionStarter]: At program point L94-1(lines 86 101) 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 18:43:15,694 INFO L448 ceAbstractionStarter]: For program point L57(lines 56 105) no Hoare annotation was computed. [2018-11-28 18:43:15,694 INFO L444 ceAbstractionStarter]: At program point L88(line 88) 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 18:43:15,694 INFO L448 ceAbstractionStarter]: For program point L86(lines 86 101) no Hoare annotation was computed. [2018-11-28 18:43:15,694 INFO L444 ceAbstractionStarter]: At program point L78(line 78) 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 18:43:15,697 INFO L448 ceAbstractionStarter]: For program point L76(lines 76 82) no Hoare annotation was computed. [2018-11-28 18:43:15,697 INFO L448 ceAbstractionStarter]: For program point L76-1(lines 76 82) no Hoare annotation was computed. [2018-11-28 18:43:15,697 INFO L444 ceAbstractionStarter]: At program point L103(lines 56 105) 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 18:43:15,697 INFO L444 ceAbstractionStarter]: At program point L68(line 68) 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 18:43:15,697 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 46 113) no Hoare annotation was computed. [2018-11-28 18:43:15,697 INFO L448 ceAbstractionStarter]: For program point L66(lines 66 72) no Hoare annotation was computed. [2018-11-28 18:43:15,698 INFO L444 ceAbstractionStarter]: At program point L770-1(line 770) 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 18:43:15,698 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 764 786) 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 18:43:15,698 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 764 786) no Hoare annotation was computed. [2018-11-28 18:43:15,698 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 764 786) no Hoare annotation was computed. [2018-11-28 18:43:15,698 INFO L444 ceAbstractionStarter]: At program point L776(line 776) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~5 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:15,698 INFO L444 ceAbstractionStarter]: At program point L776-1(line 776) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~5 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:15,698 INFO L448 ceAbstractionStarter]: For program point L774(lines 774 781) no Hoare annotation was computed. [2018-11-28 18:43:15,698 INFO L448 ceAbstractionStarter]: For program point L774-1(lines 774 781) no Hoare annotation was computed. [2018-11-28 18:43:15,699 INFO L448 ceAbstractionStarter]: For program point L772(line 772) no Hoare annotation was computed. [2018-11-28 18:43:15,702 INFO L444 ceAbstractionStarter]: At program point L771(line 771) 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 18:43:15,702 INFO L444 ceAbstractionStarter]: At program point L770(line 770) 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 18:43:15,702 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 255 269) no Hoare annotation was computed. [2018-11-28 18:43:15,703 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 255 269) 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 18:43:15,703 INFO L444 ceAbstractionStarter]: At program point L261(line 261) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-28 18:43:15,703 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 255 269) no Hoare annotation was computed. [2018-11-28 18:43:15,703 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 265) no Hoare annotation was computed. [2018-11-28 18:43:15,703 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 210 218) no Hoare annotation was computed. [2018-11-28 18:43:15,703 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 210 218) the Hoare annotation is: true [2018-11-28 18:43:15,703 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 210 218) no Hoare annotation was computed. [2018-11-28 18:43:15,703 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:43:15,706 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-28 18:43:15,706 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:43:15,707 INFO L448 ceAbstractionStarter]: For program point L845-1(lines 841 852) no Hoare annotation was computed. [2018-11-28 18:43:15,707 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 841 852) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 ~methaneLevelCritical~0)) [2018-11-28 18:43:15,707 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 841 852) no Hoare annotation was computed. [2018-11-28 18:43:15,707 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 853 861) the Hoare annotation is: true [2018-11-28 18:43:15,707 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 853 861) no Hoare annotation was computed. [2018-11-28 18:43:15,707 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 853 861) no Hoare annotation was computed. [2018-11-28 18:43:15,707 INFO L448 ceAbstractionStarter]: For program point L704(line 704) no Hoare annotation was computed. [2018-11-28 18:43:15,707 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 693 722) no Hoare annotation was computed. [2018-11-28 18:43:15,707 INFO L451 ceAbstractionStarter]: At program point L703-2(lines 703 717) the Hoare annotation is: true [2018-11-28 18:43:15,707 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 693 722) the Hoare annotation is: true [2018-11-28 18:43:15,708 INFO L451 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: true [2018-11-28 18:43:15,708 INFO L448 ceAbstractionStarter]: For program point L699-1(line 699) no Hoare annotation was computed. [2018-11-28 18:43:15,708 INFO L451 ceAbstractionStarter]: At program point L718(lines 693 722) the Hoare annotation is: true [2018-11-28 18:43:15,708 INFO L448 ceAbstractionStarter]: For program point L714(line 714) no Hoare annotation was computed. [2018-11-28 18:43:15,708 INFO L448 ceAbstractionStarter]: For program point L707(lines 707 711) no Hoare annotation was computed. [2018-11-28 18:43:15,708 INFO L451 ceAbstractionStarter]: At program point L707-1(lines 707 711) the Hoare annotation is: true [2018-11-28 18:43:15,708 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 126 149) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:43:15,708 INFO L444 ceAbstractionStarter]: At program point L139(line 139) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 18:43:15,708 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 126 149) no Hoare annotation was computed. [2018-11-28 18:43:15,709 INFO L444 ceAbstractionStarter]: At program point L137(lines 137 143) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:43:15,712 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 126 149) no Hoare annotation was computed. [2018-11-28 18:43:15,712 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-28 18:43:15,712 INFO L448 ceAbstractionStarter]: For program point L130(lines 129 148) no Hoare annotation was computed. [2018-11-28 18:43:15,712 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 817 828) the Hoare annotation is: true [2018-11-28 18:43:15,712 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 817 828) no Hoare annotation was computed. [2018-11-28 18:43:15,712 INFO L448 ceAbstractionStarter]: For program point L821-1(lines 817 828) no Hoare annotation was computed. [2018-11-28 18:43:15,712 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 659 665) no Hoare annotation was computed. [2018-11-28 18:43:15,713 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 659 665) the Hoare annotation is: true [2018-11-28 18:43:15,713 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 747 753) no Hoare annotation was computed. [2018-11-28 18:43:15,713 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 747 753) the Hoare annotation is: true [2018-11-28 18:43:15,713 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:43:15,713 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 18:43:15,713 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:43:15,713 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:43:15,713 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 270 277) no Hoare annotation was computed. [2018-11-28 18:43:15,713 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 270 277) the Hoare annotation is: true [2018-11-28 18:43:15,713 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 270 277) no Hoare annotation was computed. [2018-11-28 18:43:15,714 INFO L448 ceAbstractionStarter]: For program point L833-1(lines 829 840) no Hoare annotation was computed. [2018-11-28 18:43:15,717 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 829 840) no Hoare annotation was computed. [2018-11-28 18:43:15,717 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 829 840) the Hoare annotation is: true [2018-11-28 18:43:15,717 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 683 690) no Hoare annotation was computed. [2018-11-28 18:43:15,717 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 687) no Hoare annotation was computed. [2018-11-28 18:43:15,717 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 683 690) the Hoare annotation is: true [2018-11-28 18:43:15,717 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 683 690) no Hoare annotation was computed. [2018-11-28 18:43:15,717 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 754 763) 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 18:43:15,718 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 754 763) no Hoare annotation was computed. [2018-11-28 18:43:15,718 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 754 763) no Hoare annotation was computed. [2018-11-28 18:43:15,718 INFO L448 ceAbstractionStarter]: For program point L800(lines 800 806) no Hoare annotation was computed. [2018-11-28 18:43:15,718 INFO L444 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 18:43:15,718 INFO L448 ceAbstractionStarter]: For program point L798-1(line 798) no Hoare annotation was computed. [2018-11-28 18:43:15,718 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 788 812) the Hoare annotation is: true [2018-11-28 18:43:15,718 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 809) no Hoare annotation was computed. [2018-11-28 18:43:15,718 INFO L448 ceAbstractionStarter]: For program point L796-1(lines 788 812) no Hoare annotation was computed. [2018-11-28 18:43:15,718 INFO L451 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: true [2018-11-28 18:43:15,718 INFO L448 ceAbstractionStarter]: For program point L794-1(line 794) no Hoare annotation was computed. [2018-11-28 18:43:15,719 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 788 812) no Hoare annotation was computed. [2018-11-28 18:43:15,719 INFO L444 ceAbstractionStarter]: At program point L802(line 802) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-28 18:43:15,719 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 199 209) the Hoare annotation is: true [2018-11-28 18:43:15,719 INFO L451 ceAbstractionStarter]: At program point L204(line 204) the Hoare annotation is: true [2018-11-28 18:43:15,719 INFO L448 ceAbstractionStarter]: For program point L204-1(line 204) no Hoare annotation was computed. [2018-11-28 18:43:15,719 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 199 209) no Hoare annotation was computed. [2018-11-28 18:43:15,719 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 199 209) no Hoare annotation was computed. [2018-11-28 18:43:15,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:43:15 BoogieIcfgContainer [2018-11-28 18:43:15,741 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:43:15,742 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:43:15,742 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:43:15,742 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:43:15,743 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:43:09" (3/4) ... [2018-11-28 18:43:15,748 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:43:15,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 18:43:15,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:43:15,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:43:15,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 18:43:15,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:43:15,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:43:15,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:43:15,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-28 18:43:15,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:43:15,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:43:15,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:43:15,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 18:43:15,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:43:15,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:43:15,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:43:15,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:43:15,757 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:43:15,757 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 18:43:15,757 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:43:15,757 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:43:15,757 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:43:15,758 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-28 18:43:15,758 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 18:43:15,767 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-11-28 18:43:15,768 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-28 18:43:15,768 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 18:43:15,770 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-28 18:43:15,770 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:43:15,770 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:43:15,804 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 18:43:15,805 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:43:15,883 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:43:15,885 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:43:15,886 INFO L168 Benchmark]: Toolchain (without parser) took 8670.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 205.0 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -135.2 MB). Peak memory consumption was 69.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:15,887 INFO L168 Benchmark]: CDTParser took 0.16 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 18:43:15,888 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.67 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 925.9 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:15,888 INFO L168 Benchmark]: Boogie Procedure Inliner took 147.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 925.9 MB in the beginning and 1.1 GB in the end (delta: -198.2 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:15,895 INFO L168 Benchmark]: Boogie Preprocessor took 64.82 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 18:43:15,895 INFO L168 Benchmark]: RCFGBuilder took 1113.52 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: 45.1 MB). Peak memory consumption was 45.1 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:15,895 INFO L168 Benchmark]: TraceAbstraction took 6531.47 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -12.7 MB). Peak memory consumption was 284.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:15,899 INFO L168 Benchmark]: Witness Printer took 143.14 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: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:15,903 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 664.67 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 925.9 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 147.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 925.9 MB in the beginning and 1.1 GB in the end (delta: -198.2 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 64.82 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 1113.52 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: 45.1 MB). Peak memory consumption was 45.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6531.47 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -12.7 MB). Peak memory consumption was 284.7 MB. Max. memory is 11.5 GB. * Witness Printer took 143.14 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: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 687]: 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: 55]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 122 locations, 1 error locations. SAFE Result, 6.4s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 2.5s AutomataDifference, 0.0s DeadEndRemovalTime, 2.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 606 SDtfs, 346 SDslu, 1154 SDs, 0 SdLazy, 415 SolverSat, 71 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.8s 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 444 PreInvPairs, 491 NumberOfFragments, 499 HoareAnnotationTreeSize, 444 FomulaSimplifications, 443 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 53 FomulaSimplificationsInter, 1838 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s 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...