./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec2_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_spec2_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 f80d3a5338c2579934de7f265b1ca347607a109f .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:44:03,215 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:44:03,217 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:44:03,235 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:44:03,236 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:44:03,237 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:44:03,238 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:44:03,240 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:44:03,242 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:44:03,243 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:44:03,243 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:44:03,244 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:44:03,245 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:44:03,246 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:44:03,247 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:44:03,248 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:44:03,248 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:44:03,250 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:44:03,252 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:44:03,254 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:44:03,255 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:44:03,256 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:44:03,259 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:44:03,259 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:44:03,259 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:44:03,260 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:44:03,261 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:44:03,262 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:44:03,263 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:44:03,264 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:44:03,264 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:44:03,265 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:44:03,265 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:44:03,265 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:44:03,266 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:44:03,267 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:44:03,267 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:44:03,292 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:44:03,295 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:44:03,296 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:44:03,296 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:44:03,296 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:44:03,298 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:44:03,299 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:44:03,299 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:44:03,299 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:44:03,299 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:44:03,299 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:44:03,300 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:44:03,301 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:44:03,301 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:44:03,301 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:44:03,301 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:44:03,301 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:44:03,302 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:44:03,302 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:44:03,302 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:44:03,302 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:44:03,302 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:44:03,303 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:44:03,305 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:44:03,305 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:44:03,306 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:44:03,306 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:44:03,306 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:44:03,306 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:44:03,306 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:44:03,306 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 -> f80d3a5338c2579934de7f265b1ca347607a109f [2018-11-28 18:44:03,353 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:44:03,372 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:44:03,376 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:44:03,378 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:44:03,378 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:44:03,379 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec2_product08_true-unreach-call_false-termination.cil.c [2018-11-28 18:44:03,442 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1207e135/fabb358b997049d7b9fc53abd26453ae/FLAG84d655f39 [2018-11-28 18:44:04,027 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:44:04,030 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec2_product08_true-unreach-call_false-termination.cil.c [2018-11-28 18:44:04,042 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1207e135/fabb358b997049d7b9fc53abd26453ae/FLAG84d655f39 [2018-11-28 18:44:04,306 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1207e135/fabb358b997049d7b9fc53abd26453ae [2018-11-28 18:44:04,310 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:44:04,311 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:44:04,312 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:44:04,313 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:44:04,317 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:44:04,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:44:04" (1/1) ... [2018-11-28 18:44:04,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19c9ac3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:04, skipping insertion in model container [2018-11-28 18:44:04,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:44:04" (1/1) ... [2018-11-28 18:44:04,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:44:04,377 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:44:04,721 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:44:04,752 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:44:04,851 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:44:04,897 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:44:04,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:04 WrapperNode [2018-11-28 18:44:04,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:44:04,898 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:44:04,898 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:44:04,898 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:44:04,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:04" (1/1) ... [2018-11-28 18:44:05,019 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:04" (1/1) ... [2018-11-28 18:44:05,041 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:44:05,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:44:05,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:44:05,042 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:44:05,053 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:04" (1/1) ... [2018-11-28 18:44:05,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:04" (1/1) ... [2018-11-28 18:44:05,065 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:04" (1/1) ... [2018-11-28 18:44:05,065 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:04" (1/1) ... [2018-11-28 18:44:05,091 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:04" (1/1) ... [2018-11-28 18:44:05,102 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:04" (1/1) ... [2018-11-28 18:44:05,108 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:04" (1/1) ... [2018-11-28 18:44:05,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:44:05,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:44:05,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:44:05,114 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:44:05,115 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:04" (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 18:44:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:44:05,172 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:44:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:44:05,172 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:44:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 18:44:05,172 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 18:44:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:44:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:44:05,173 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:44:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:44:05,173 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:44:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:44:05,174 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:44:05,174 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:44:05,174 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:44:05,174 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-28 18:44:05,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-28 18:44:05,174 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-28 18:44:05,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-28 18:44:05,175 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:44:05,175 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:44:05,175 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:44:05,175 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:44:05,175 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:44:05,177 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:44:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:44:05,177 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:44:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 18:44:05,177 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 18:44:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:44:05,178 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:44:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:44:05,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:44:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:44:05,182 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:44:05,182 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:44:05,182 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:44:05,182 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:44:05,182 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:44:05,183 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 18:44:05,183 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 18:44:05,183 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:44:05,183 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:44:05,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:44:05,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:44:05,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:44:05,184 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:44:05,184 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:44:05,184 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:44:05,184 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:44:05,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:44:05,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:44:06,081 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:44:06,081 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:44:06,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:44:06 BoogieIcfgContainer [2018-11-28 18:44:06,082 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:44:06,083 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:44:06,083 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:44:06,086 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:44:06,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:44:04" (1/3) ... [2018-11-28 18:44:06,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f8490b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:44:06, skipping insertion in model container [2018-11-28 18:44:06,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:04" (2/3) ... [2018-11-28 18:44:06,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f8490b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:44:06, skipping insertion in model container [2018-11-28 18:44:06,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:44:06" (3/3) ... [2018-11-28 18:44:06,090 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product08_true-unreach-call_false-termination.cil.c [2018-11-28 18:44:06,101 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:44:06,110 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:44:06,127 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:44:06,160 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:44:06,161 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:44:06,161 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:44:06,162 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:44:06,162 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:44:06,162 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:44:06,162 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:44:06,163 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:44:06,163 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:44:06,186 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states. [2018-11-28 18:44:06,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 18:44:06,201 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:06,202 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] [2018-11-28 18:44:06,207 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:06,214 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:06,214 INFO L82 PathProgramCache]: Analyzing trace with hash -602266146, now seen corresponding path program 1 times [2018-11-28 18:44:06,216 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:06,217 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:06,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:06,269 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:06,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:06,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:06,576 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 18:44:06,579 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:06,579 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:44:06,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:44:06,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:44:06,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:44:06,605 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 2 states. [2018-11-28 18:44:06,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:06,653 INFO L93 Difference]: Finished difference Result 224 states and 281 transitions. [2018-11-28 18:44:06,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:44:06,655 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-28 18:44:06,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:06,674 INFO L225 Difference]: With dead ends: 224 [2018-11-28 18:44:06,674 INFO L226 Difference]: Without dead ends: 114 [2018-11-28 18:44:06,681 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 18:44:06,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-11-28 18:44:06,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-11-28 18:44:06,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-11-28 18:44:06,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 134 transitions. [2018-11-28 18:44:06,748 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 134 transitions. Word has length 51 [2018-11-28 18:44:06,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:06,749 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 134 transitions. [2018-11-28 18:44:06,749 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:44:06,749 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 134 transitions. [2018-11-28 18:44:06,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 18:44:06,756 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:06,757 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 18:44:06,757 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:06,757 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:06,757 INFO L82 PathProgramCache]: Analyzing trace with hash 758416418, now seen corresponding path program 1 times [2018-11-28 18:44:06,759 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:06,759 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:06,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:06,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:06,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:06,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:06,977 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 18:44:06,977 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:06,978 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:44:06,982 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:44:06,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:44:06,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:44:06,983 INFO L87 Difference]: Start difference. First operand 114 states and 134 transitions. Second operand 3 states. [2018-11-28 18:44:07,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:07,034 INFO L93 Difference]: Finished difference Result 163 states and 191 transitions. [2018-11-28 18:44:07,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:44:07,037 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-28 18:44:07,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:07,041 INFO L225 Difference]: With dead ends: 163 [2018-11-28 18:44:07,041 INFO L226 Difference]: Without dead ends: 105 [2018-11-28 18:44:07,044 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 18:44:07,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-11-28 18:44:07,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-11-28 18:44:07,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-11-28 18:44:07,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 122 transitions. [2018-11-28 18:44:07,073 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 122 transitions. Word has length 52 [2018-11-28 18:44:07,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:07,073 INFO L480 AbstractCegarLoop]: Abstraction has 105 states and 122 transitions. [2018-11-28 18:44:07,078 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:44:07,078 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 122 transitions. [2018-11-28 18:44:07,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 18:44:07,083 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:07,083 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 18:44:07,084 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:07,084 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:07,084 INFO L82 PathProgramCache]: Analyzing trace with hash -1981247693, now seen corresponding path program 1 times [2018-11-28 18:44:07,084 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:07,084 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:07,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:07,088 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:07,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:07,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:07,447 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 18:44:07,447 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:07,447 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:44:07,448 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:44:07,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:44:07,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:44:07,449 INFO L87 Difference]: Start difference. First operand 105 states and 122 transitions. Second operand 7 states. [2018-11-28 18:44:08,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:08,345 INFO L93 Difference]: Finished difference Result 310 states and 380 transitions. [2018-11-28 18:44:08,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:44:08,346 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-28 18:44:08,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:08,352 INFO L225 Difference]: With dead ends: 310 [2018-11-28 18:44:08,352 INFO L226 Difference]: Without dead ends: 233 [2018-11-28 18:44:08,353 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:44:08,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2018-11-28 18:44:08,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 221. [2018-11-28 18:44:08,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-11-28 18:44:08,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 270 transitions. [2018-11-28 18:44:08,398 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 270 transitions. Word has length 57 [2018-11-28 18:44:08,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:08,398 INFO L480 AbstractCegarLoop]: Abstraction has 221 states and 270 transitions. [2018-11-28 18:44:08,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:44:08,399 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 270 transitions. [2018-11-28 18:44:08,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-28 18:44:08,407 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:08,407 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, 1] [2018-11-28 18:44:08,407 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:08,408 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:08,408 INFO L82 PathProgramCache]: Analyzing trace with hash -727348887, now seen corresponding path program 1 times [2018-11-28 18:44:08,408 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:08,409 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:08,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:08,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:08,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:08,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:08,834 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 18:44:08,834 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:08,835 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:44:08,835 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:44:08,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:44:08,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:44:08,836 INFO L87 Difference]: Start difference. First operand 221 states and 270 transitions. Second operand 6 states. [2018-11-28 18:44:09,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:09,672 INFO L93 Difference]: Finished difference Result 589 states and 744 transitions. [2018-11-28 18:44:09,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:44:09,675 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-11-28 18:44:09,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:09,685 INFO L225 Difference]: With dead ends: 589 [2018-11-28 18:44:09,685 INFO L226 Difference]: Without dead ends: 396 [2018-11-28 18:44:09,692 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:44:09,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2018-11-28 18:44:09,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 390. [2018-11-28 18:44:09,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2018-11-28 18:44:09,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 480 transitions. [2018-11-28 18:44:09,773 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 480 transitions. Word has length 62 [2018-11-28 18:44:09,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:09,774 INFO L480 AbstractCegarLoop]: Abstraction has 390 states and 480 transitions. [2018-11-28 18:44:09,774 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:44:09,774 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 480 transitions. [2018-11-28 18:44:09,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-28 18:44:09,776 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:09,777 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, 1, 1, 1, 1, 1] [2018-11-28 18:44:09,777 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:09,777 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:09,777 INFO L82 PathProgramCache]: Analyzing trace with hash 1306882597, now seen corresponding path program 1 times [2018-11-28 18:44:09,778 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:09,778 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:09,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:09,779 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:09,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:09,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:10,059 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 18:44:10,059 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:10,059 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:44:10,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:44:10,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:44:10,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:44:10,061 INFO L87 Difference]: Start difference. First operand 390 states and 480 transitions. Second operand 7 states. [2018-11-28 18:44:11,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:11,092 INFO L93 Difference]: Finished difference Result 664 states and 841 transitions. [2018-11-28 18:44:11,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:44:11,097 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-11-28 18:44:11,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:11,098 INFO L225 Difference]: With dead ends: 664 [2018-11-28 18:44:11,098 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:44:11,101 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-28 18:44:11,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:44:11,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:44:11,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:44:11,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:44:11,102 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2018-11-28 18:44:11,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:11,102 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:44:11,103 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:44:11,103 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:44:11,103 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:44:11,108 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:44:11,879 WARN L180 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 9 [2018-11-28 18:44:12,258 WARN L180 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 17 [2018-11-28 18:44:12,395 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2018-11-28 18:44:12,544 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 1 [2018-11-28 18:44:13,072 WARN L180 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 11 [2018-11-28 18:44:13,325 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2018-11-28 18:44:13,911 WARN L180 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2018-11-28 18:44:14,234 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 623 629) the Hoare annotation is: true [2018-11-28 18:44:14,234 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 623 629) no Hoare annotation was computed. [2018-11-28 18:44:14,234 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 630 638) no Hoare annotation was computed. [2018-11-28 18:44:14,234 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 630 638) the Hoare annotation is: true [2018-11-28 18:44:14,234 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 630 638) no Hoare annotation was computed. [2018-11-28 18:44:14,235 INFO L444 ceAbstractionStarter]: At program point L129(line 129) 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 18:44:14,235 INFO L444 ceAbstractionStarter]: At program point L128(line 128) 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 18:44:14,235 INFO L444 ceAbstractionStarter]: At program point L128-1(line 128) 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 18:44:14,235 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 122 144) 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 18:44:14,235 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2018-11-28 18:44:14,235 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2018-11-28 18:44:14,236 INFO L444 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:14,236 INFO L444 ceAbstractionStarter]: At program point L134-1(line 134) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:14,236 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2018-11-28 18:44:14,236 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2018-11-28 18:44:14,236 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-28 18:44:14,236 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 885 899) no Hoare annotation was computed. [2018-11-28 18:44:14,236 INFO L444 ceAbstractionStarter]: At program point L891(line 891) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-28 18:44:14,237 INFO L448 ceAbstractionStarter]: For program point L889(lines 889 895) no Hoare annotation was computed. [2018-11-28 18:44:14,237 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 885 899) 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 18:44:14,237 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 885 899) no Hoare annotation was computed. [2018-11-28 18:44:14,237 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 840 848) no Hoare annotation was computed. [2018-11-28 18:44:14,237 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 840 848) the Hoare annotation is: true [2018-11-28 18:44:14,237 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 840 848) no Hoare annotation was computed. [2018-11-28 18:44:14,237 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 616 622) no Hoare annotation was computed. [2018-11-28 18:44:14,237 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 616 622) the Hoare annotation is: true [2018-11-28 18:44:14,238 INFO L444 ceAbstractionStarter]: At program point L113(line 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 18:44:14,238 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 108 118) 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 18:44:14,238 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2018-11-28 18:44:14,238 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2018-11-28 18:44:14,238 INFO L448 ceAbstractionStarter]: For program point L834-1(line 834) no Hoare annotation was computed. [2018-11-28 18:44:14,238 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 829 839) the Hoare annotation is: true [2018-11-28 18:44:14,238 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 829 839) no Hoare annotation was computed. [2018-11-28 18:44:14,238 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 829 839) no Hoare annotation was computed. [2018-11-28 18:44:14,239 INFO L451 ceAbstractionStarter]: At program point L834(line 834) the Hoare annotation is: true [2018-11-28 18:44:14,239 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 821 828) the Hoare annotation is: true [2018-11-28 18:44:14,239 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 821 828) no Hoare annotation was computed. [2018-11-28 18:44:14,239 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 821 828) no Hoare annotation was computed. [2018-11-28 18:44:14,239 INFO L444 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 18:44:14,239 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 804) no Hoare annotation was computed. [2018-11-28 18:44:14,239 INFO L444 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 18:44:14,239 INFO L448 ceAbstractionStarter]: For program point L794-1(line 794) no Hoare annotation was computed. [2018-11-28 18:44:14,239 INFO L448 ceAbstractionStarter]: For program point L792(lines 792 809) no Hoare annotation was computed. [2018-11-28 18:44:14,240 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 788 812) no Hoare annotation was computed. [2018-11-28 18:44:14,240 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 788 812) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:44:14,240 INFO L444 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:44:14,240 INFO L448 ceAbstractionStarter]: For program point L807-1(lines 788 812) no Hoare annotation was computed. [2018-11-28 18:44:14,240 INFO L444 ceAbstractionStarter]: At program point L802(line 802) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 18:44:14,240 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 780 786) no Hoare annotation was computed. [2018-11-28 18:44:14,240 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 780 786) the Hoare annotation is: true [2018-11-28 18:44:14,240 INFO L444 ceAbstractionStarter]: At program point L704(line 704) 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 18:44:14,241 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 682 749) 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 18:44:14,241 INFO L448 ceAbstractionStarter]: For program point L702(lines 702 708) no Hoare annotation was computed. [2018-11-28 18:44:14,241 INFO L448 ceAbstractionStarter]: For program point L702-1(lines 702 708) no Hoare annotation was computed. [2018-11-28 18:44:14,241 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 682 749) no Hoare annotation was computed. [2018-11-28 18:44:14,241 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 698) no Hoare annotation was computed. [2018-11-28 18:44:14,241 INFO L444 ceAbstractionStarter]: At program point L742(lines 691 743) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:14,241 INFO L444 ceAbstractionStarter]: At program point L732(line 732) 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 18:44:14,242 INFO L448 ceAbstractionStarter]: For program point L730(lines 730 736) no Hoare annotation was computed. [2018-11-28 18:44:14,242 INFO L444 ceAbstractionStarter]: At program point L730-1(lines 722 737) 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 18:44:14,242 INFO L448 ceAbstractionStarter]: For program point L693(lines 692 741) no Hoare annotation was computed. [2018-11-28 18:44:14,242 INFO L444 ceAbstractionStarter]: At program point L724(line 724) 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 18:44:14,242 INFO L448 ceAbstractionStarter]: For program point L722(lines 722 737) no Hoare annotation was computed. [2018-11-28 18:44:14,242 INFO L444 ceAbstractionStarter]: At program point L714(line 714) 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 18:44:14,242 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 718) no Hoare annotation was computed. [2018-11-28 18:44:14,242 INFO L448 ceAbstractionStarter]: For program point L712-1(lines 712 718) no Hoare annotation was computed. [2018-11-28 18:44:14,243 INFO L444 ceAbstractionStarter]: At program point L739(lines 692 741) 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 18:44:14,243 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 682 749) no Hoare annotation was computed. [2018-11-28 18:44:14,243 INFO L444 ceAbstractionStarter]: At program point L665(line 665) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-28 18:44:14,243 INFO L448 ceAbstractionStarter]: For program point L663(lines 663 669) no Hoare annotation was computed. [2018-11-28 18:44:14,243 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 672) no Hoare annotation was computed. [2018-11-28 18:44:14,243 INFO L444 ceAbstractionStarter]: At program point L660(line 660) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 18:44:14,243 INFO L448 ceAbstractionStarter]: For program point L660-1(line 660) no Hoare annotation was computed. [2018-11-28 18:44:14,243 INFO L448 ceAbstractionStarter]: For program point L658(lines 658 675) no Hoare annotation was computed. [2018-11-28 18:44:14,244 INFO L448 ceAbstractionStarter]: For program point L658-1(lines 650 678) no Hoare annotation was computed. [2018-11-28 18:44:14,244 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 650 678) the Hoare annotation is: true [2018-11-28 18:44:14,244 INFO L451 ceAbstractionStarter]: At program point L656(line 656) the Hoare annotation is: true [2018-11-28 18:44:14,244 INFO L448 ceAbstractionStarter]: For program point L656-1(line 656) no Hoare annotation was computed. [2018-11-28 18:44:14,244 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 650 678) no Hoare annotation was computed. [2018-11-28 18:44:14,244 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 642 649) the Hoare annotation is: true [2018-11-28 18:44:14,244 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 642 649) no Hoare annotation was computed. [2018-11-28 18:44:14,244 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 642 649) no Hoare annotation was computed. [2018-11-28 18:44:14,244 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:44:14,245 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-28 18:44:14,245 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:44:14,245 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 542 553) no Hoare annotation was computed. [2018-11-28 18:44:14,245 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 542 553) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 ~methaneLevelCritical~0)) [2018-11-28 18:44:14,245 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 542 553) no Hoare annotation was computed. [2018-11-28 18:44:14,245 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 554 562) the Hoare annotation is: true [2018-11-28 18:44:14,245 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 554 562) no Hoare annotation was computed. [2018-11-28 18:44:14,245 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 554 562) no Hoare annotation was computed. [2018-11-28 18:44:14,245 INFO L444 ceAbstractionStarter]: At program point L769(line 769) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 18:44:14,246 INFO L444 ceAbstractionStarter]: At program point L767(lines 767 773) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:44:14,246 INFO L444 ceAbstractionStarter]: At program point L762(line 762) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-28 18:44:14,246 INFO L448 ceAbstractionStarter]: For program point L760(lines 759 778) no Hoare annotation was computed. [2018-11-28 18:44:14,246 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 756 779) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:44:14,246 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 756 779) no Hoare annotation was computed. [2018-11-28 18:44:14,246 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 756 779) no Hoare annotation was computed. [2018-11-28 18:44:14,246 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-11-28 18:44:14,246 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-28 18:44:14,247 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-11-28 18:44:14,247 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-28 18:44:14,247 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-11-28 18:44:14,247 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-28 18:44:14,247 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-11-28 18:44:14,247 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-11-28 18:44:14,247 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-11-28 18:44:14,247 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-11-28 18:44:14,247 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 518 529) the Hoare annotation is: true [2018-11-28 18:44:14,247 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 518 529) no Hoare annotation was computed. [2018-11-28 18:44:14,248 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 518 529) no Hoare annotation was computed. [2018-11-28 18:44:14,248 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-28 18:44:14,248 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-11-28 18:44:14,248 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:44:14,248 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 18:44:14,248 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:44:14,248 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:44:14,248 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 900 907) no Hoare annotation was computed. [2018-11-28 18:44:14,248 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 900 907) the Hoare annotation is: true [2018-11-28 18:44:14,249 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 900 907) no Hoare annotation was computed. [2018-11-28 18:44:14,249 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 530 541) no Hoare annotation was computed. [2018-11-28 18:44:14,249 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 530 541) no Hoare annotation was computed. [2018-11-28 18:44:14,249 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 530 541) the Hoare annotation is: true [2018-11-28 18:44:14,249 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 596 603) no Hoare annotation was computed. [2018-11-28 18:44:14,249 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 596 603) the Hoare annotation is: true [2018-11-28 18:44:14,249 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 600) no Hoare annotation was computed. [2018-11-28 18:44:14,249 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 596 603) no Hoare annotation was computed. [2018-11-28 18:44:14,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:44:14 BoogieIcfgContainer [2018-11-28 18:44:14,265 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:44:14,269 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:44:14,269 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:44:14,269 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:44:14,270 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:44:06" (3/4) ... [2018-11-28 18:44:14,279 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:44:14,295 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:44:14,295 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:44:14,295 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:44:14,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-28 18:44:14,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:44:14,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:44:14,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:44:14,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 18:44:14,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 18:44:14,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:44:14,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 18:44:14,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:44:14,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-28 18:44:14,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-28 18:44:14,299 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:44:14,299 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:44:14,300 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 18:44:14,300 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:44:14,300 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:44:14,300 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:44:14,300 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:44:14,303 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 18:44:14,303 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:44:14,304 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:44:14,317 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-28 18:44:14,318 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-28 18:44:14,319 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-28 18:44:14,320 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 18:44:14,320 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:44:14,321 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:44:14,358 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 18:44:14,358 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:44:14,435 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:44:14,435 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:44:14,436 INFO L168 Benchmark]: Toolchain (without parser) took 10125.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 951.3 MB in the beginning and 1.0 GB in the end (delta: -81.9 MB). Peak memory consumption was 85.3 MB. Max. memory is 11.5 GB. [2018-11-28 18:44:14,437 INFO L168 Benchmark]: CDTParser took 0.17 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 18:44:14,437 INFO L168 Benchmark]: CACSL2BoogieTranslator took 585.17 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 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 18:44:14,439 INFO L168 Benchmark]: Boogie Procedure Inliner took 142.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 80.2 MB). Free memory was 924.5 MB in the beginning and 1.1 GB in the end (delta: -136.0 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-28 18:44:14,440 INFO L168 Benchmark]: Boogie Preprocessor took 71.97 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:44:14,440 INFO L168 Benchmark]: RCFGBuilder took 968.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 11.5 GB. [2018-11-28 18:44:14,440 INFO L168 Benchmark]: TraceAbstraction took 8185.62 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 87.0 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -28.2 MB). Peak memory consumption was 284.1 MB. Max. memory is 11.5 GB. [2018-11-28 18:44:14,443 INFO L168 Benchmark]: Witness Printer took 166.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2018-11-28 18:44:14,446 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 585.17 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 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 142.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 80.2 MB). Free memory was 924.5 MB in the beginning and 1.1 GB in the end (delta: -136.0 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 71.97 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 968.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8185.62 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 87.0 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -28.2 MB). Peak memory consumption was 284.1 MB. Max. memory is 11.5 GB. * Witness Printer took 166.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 600]: 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: 692]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 127 locations, 1 error locations. SAFE Result, 8.0s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 2.9s AutomataDifference, 0.0s DeadEndRemovalTime, 3.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 635 SDtfs, 361 SDslu, 1206 SDs, 0 SdLazy, 432 SolverSat, 74 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=390occurred 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, 55 LocationsWithAnnotation, 446 PreInvPairs, 493 NumberOfFragments, 523 HoareAnnotationTreeSize, 446 FomulaSimplifications, 443 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 55 FomulaSimplificationsInter, 1866 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 283 ConstructedInterpolants, 0 QuantifiedInterpolants, 30083 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...