./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec2_product60_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_product60_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 9f9d802e48c20b812c0aeb303e5b9a04b1c7ed3d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:45:07,225 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:45:07,226 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:45:07,247 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:45:07,248 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:45:07,249 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:45:07,250 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:45:07,252 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:45:07,254 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:45:07,255 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:45:07,256 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:45:07,256 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:45:07,257 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:45:07,258 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:45:07,259 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:45:07,260 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:45:07,261 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:45:07,263 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:45:07,265 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:45:07,267 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:45:07,268 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:45:07,269 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:45:07,277 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:45:07,277 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:45:07,277 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:45:07,278 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:45:07,282 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:45:07,283 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:45:07,284 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:45:07,285 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:45:07,285 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:45:07,286 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:45:07,286 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:45:07,286 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:45:07,290 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:45:07,292 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:45:07,292 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:45:07,324 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:45:07,324 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:45:07,327 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:45:07,328 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:45:07,328 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:45:07,328 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:45:07,329 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:45:07,329 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:45:07,329 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:45:07,329 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:45:07,329 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:45:07,330 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:45:07,330 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:45:07,330 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:45:07,331 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:45:07,331 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:45:07,331 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:45:07,331 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:45:07,331 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:45:07,332 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:45:07,333 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:45:07,333 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:45:07,333 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:45:07,334 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:45:07,334 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:45:07,334 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:45:07,334 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:45:07,334 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:45:07,335 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:45:07,335 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:45:07,335 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 -> 9f9d802e48c20b812c0aeb303e5b9a04b1c7ed3d [2018-11-28 18:45:07,401 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:45:07,414 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:45:07,418 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:45:07,420 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:45:07,420 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:45:07,421 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec2_product60_true-unreach-call_false-termination.cil.c [2018-11-28 18:45:07,480 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49efe2f47/2a6bc2c316784e0283cba378de0f67b2/FLAGb47ded351 [2018-11-28 18:45:07,950 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:45:07,951 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec2_product60_true-unreach-call_false-termination.cil.c [2018-11-28 18:45:07,968 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49efe2f47/2a6bc2c316784e0283cba378de0f67b2/FLAGb47ded351 [2018-11-28 18:45:08,257 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49efe2f47/2a6bc2c316784e0283cba378de0f67b2 [2018-11-28 18:45:08,262 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:45:08,264 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:45:08,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:45:08,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:45:08,269 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:45:08,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:45:08" (1/1) ... [2018-11-28 18:45:08,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1294a511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:08, skipping insertion in model container [2018-11-28 18:45:08,274 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:45:08" (1/1) ... [2018-11-28 18:45:08,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:45:08,331 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:45:08,801 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:45:08,831 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:45:09,085 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:45:09,127 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:45:09,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:09 WrapperNode [2018-11-28 18:45:09,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:45:09,129 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:45:09,129 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:45:09,129 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:45:09,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:09" (1/1) ... [2018-11-28 18:45:09,163 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:09" (1/1) ... [2018-11-28 18:45:09,174 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:45:09,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:45:09,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:45:09,174 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:45:09,185 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:09" (1/1) ... [2018-11-28 18:45:09,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:09" (1/1) ... [2018-11-28 18:45:09,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:09" (1/1) ... [2018-11-28 18:45:09,191 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:09" (1/1) ... [2018-11-28 18:45:09,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:09" (1/1) ... [2018-11-28 18:45:09,226 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:09" (1/1) ... [2018-11-28 18:45:09,230 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:09" (1/1) ... [2018-11-28 18:45:09,234 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:45:09,235 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:45:09,235 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:45:09,235 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:45:09,236 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:09" (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 18:45:09,324 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:45:09,324 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:45:09,325 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:45:09,325 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:45:09,325 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 18:45:09,325 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 18:45:09,326 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 18:45:09,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 18:45:09,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:45:09,327 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:45:09,327 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:45:09,327 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:45:09,327 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:45:09,327 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 18:45:09,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 18:45:09,329 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:45:09,330 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:45:09,330 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:45:09,330 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:45:09,330 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 18:45:09,330 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 18:45:09,330 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 18:45:09,331 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 18:45:09,331 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-28 18:45:09,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-28 18:45:09,331 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-28 18:45:09,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-28 18:45:09,331 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 18:45:09,331 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 18:45:09,332 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 18:45:09,332 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 18:45:09,332 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:45:09,332 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:45:09,332 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:45:09,335 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:45:09,335 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:45:09,335 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:45:09,335 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:45:09,336 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:45:09,336 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:45:09,336 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:45:09,336 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 18:45:09,336 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 18:45:09,336 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:45:09,337 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:45:09,337 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:45:09,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:45:09,337 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:45:09,337 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:45:09,337 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:45:09,338 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:45:09,338 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:45:09,338 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:45:09,338 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 18:45:09,338 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 18:45:09,338 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:45:09,339 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:45:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:45:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:45:09,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:45:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:45:09,339 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:45:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:45:09,340 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:45:09,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:45:09,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:45:10,600 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:45:10,600 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:45:10,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:45:10 BoogieIcfgContainer [2018-11-28 18:45:10,601 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:45:10,602 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:45:10,602 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:45:10,605 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:45:10,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:45:08" (1/3) ... [2018-11-28 18:45:10,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52ac400e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:45:10, skipping insertion in model container [2018-11-28 18:45:10,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:09" (2/3) ... [2018-11-28 18:45:10,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52ac400e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:45:10, skipping insertion in model container [2018-11-28 18:45:10,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:45:10" (3/3) ... [2018-11-28 18:45:10,608 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product60_true-unreach-call_false-termination.cil.c [2018-11-28 18:45:10,619 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:45:10,628 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:45:10,646 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:45:10,681 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:45:10,682 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:45:10,682 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:45:10,682 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:45:10,682 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:45:10,682 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:45:10,682 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:45:10,683 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:45:10,683 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:45:10,708 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states. [2018-11-28 18:45:10,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 18:45:10,718 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:10,719 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 18:45:10,722 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:10,728 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:10,728 INFO L82 PathProgramCache]: Analyzing trace with hash -1691094711, now seen corresponding path program 1 times [2018-11-28 18:45:10,730 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:10,731 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:10,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:10,778 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:10,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:10,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:11,058 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 18:45:11,060 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:11,061 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:45:11,066 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:45:11,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:45:11,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:45:11,085 INFO L87 Difference]: Start difference. First operand 168 states. Second operand 2 states. [2018-11-28 18:45:11,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:11,137 INFO L93 Difference]: Finished difference Result 306 states and 377 transitions. [2018-11-28 18:45:11,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:45:11,140 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-28 18:45:11,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:11,162 INFO L225 Difference]: With dead ends: 306 [2018-11-28 18:45:11,163 INFO L226 Difference]: Without dead ends: 155 [2018-11-28 18:45:11,169 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 18:45:11,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-11-28 18:45:11,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2018-11-28 18:45:11,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-11-28 18:45:11,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 182 transitions. [2018-11-28 18:45:11,270 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 182 transitions. Word has length 51 [2018-11-28 18:45:11,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:11,271 INFO L480 AbstractCegarLoop]: Abstraction has 155 states and 182 transitions. [2018-11-28 18:45:11,271 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:45:11,271 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 182 transitions. [2018-11-28 18:45:11,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 18:45:11,276 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:11,276 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 18:45:11,277 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:11,277 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:11,277 INFO L82 PathProgramCache]: Analyzing trace with hash 1978148502, now seen corresponding path program 1 times [2018-11-28 18:45:11,277 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:11,278 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:11,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:11,280 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:11,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:11,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:11,514 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 18:45:11,515 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:11,515 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:45:11,517 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:45:11,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:45:11,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:45:11,518 INFO L87 Difference]: Start difference. First operand 155 states and 182 transitions. Second operand 3 states. [2018-11-28 18:45:11,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:11,583 INFO L93 Difference]: Finished difference Result 245 states and 287 transitions. [2018-11-28 18:45:11,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:45:11,584 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-28 18:45:11,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:11,589 INFO L225 Difference]: With dead ends: 245 [2018-11-28 18:45:11,590 INFO L226 Difference]: Without dead ends: 146 [2018-11-28 18:45:11,593 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 18:45:11,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-11-28 18:45:11,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-11-28 18:45:11,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-11-28 18:45:11,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 170 transitions. [2018-11-28 18:45:11,624 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 170 transitions. Word has length 52 [2018-11-28 18:45:11,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:11,625 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 170 transitions. [2018-11-28 18:45:11,626 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:45:11,626 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 170 transitions. [2018-11-28 18:45:11,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 18:45:11,634 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:11,635 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 18:45:11,635 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:11,636 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:11,636 INFO L82 PathProgramCache]: Analyzing trace with hash -398829445, now seen corresponding path program 1 times [2018-11-28 18:45:11,636 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:11,637 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:11,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:11,638 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:11,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:11,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:11,888 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 18:45:11,888 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:11,889 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:45:11,889 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:45:11,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:45:11,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:45:11,890 INFO L87 Difference]: Start difference. First operand 146 states and 170 transitions. Second operand 7 states. [2018-11-28 18:45:14,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:14,051 INFO L93 Difference]: Finished difference Result 433 states and 524 transitions. [2018-11-28 18:45:14,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:45:14,058 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-28 18:45:14,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:14,065 INFO L225 Difference]: With dead ends: 433 [2018-11-28 18:45:14,065 INFO L226 Difference]: Without dead ends: 315 [2018-11-28 18:45:14,066 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:45:14,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2018-11-28 18:45:14,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 303. [2018-11-28 18:45:14,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 303 states. [2018-11-28 18:45:14,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 366 transitions. [2018-11-28 18:45:14,126 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 366 transitions. Word has length 57 [2018-11-28 18:45:14,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:14,127 INFO L480 AbstractCegarLoop]: Abstraction has 303 states and 366 transitions. [2018-11-28 18:45:14,127 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:45:14,127 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 366 transitions. [2018-11-28 18:45:14,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-28 18:45:14,130 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:14,130 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 18:45:14,130 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:14,130 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:14,130 INFO L82 PathProgramCache]: Analyzing trace with hash -99343383, now seen corresponding path program 1 times [2018-11-28 18:45:14,131 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:14,131 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:14,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:14,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:14,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:14,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:14,554 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 18:45:14,554 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:14,554 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:45:14,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:45:14,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:45:14,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:45:14,556 INFO L87 Difference]: Start difference. First operand 303 states and 366 transitions. Second operand 6 states. [2018-11-28 18:45:14,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:14,990 INFO L93 Difference]: Finished difference Result 835 states and 1032 transitions. [2018-11-28 18:45:14,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:45:14,991 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-11-28 18:45:14,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:14,997 INFO L225 Difference]: With dead ends: 835 [2018-11-28 18:45:14,997 INFO L226 Difference]: Without dead ends: 560 [2018-11-28 18:45:15,002 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 18:45:15,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2018-11-28 18:45:15,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 554. [2018-11-28 18:45:15,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2018-11-28 18:45:15,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 672 transitions. [2018-11-28 18:45:15,062 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 672 transitions. Word has length 62 [2018-11-28 18:45:15,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:15,063 INFO L480 AbstractCegarLoop]: Abstraction has 554 states and 672 transitions. [2018-11-28 18:45:15,063 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:45:15,063 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 672 transitions. [2018-11-28 18:45:15,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-28 18:45:15,072 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:15,072 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 18:45:15,073 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:15,073 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:15,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1024433349, now seen corresponding path program 1 times [2018-11-28 18:45:15,073 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:15,073 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:15,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:15,076 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:15,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:15,456 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 18:45:15,456 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:15,456 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:45:15,457 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:45:15,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:45:15,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:45:15,458 INFO L87 Difference]: Start difference. First operand 554 states and 672 transitions. Second operand 7 states. [2018-11-28 18:45:16,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:16,505 INFO L93 Difference]: Finished difference Result 1415 states and 1838 transitions. [2018-11-28 18:45:16,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 18:45:16,509 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-11-28 18:45:16,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:16,517 INFO L225 Difference]: With dead ends: 1415 [2018-11-28 18:45:16,517 INFO L226 Difference]: Without dead ends: 889 [2018-11-28 18:45:16,520 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-28 18:45:16,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 889 states. [2018-11-28 18:45:16,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 889 to 791. [2018-11-28 18:45:16,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 791 states. [2018-11-28 18:45:16,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 955 transitions. [2018-11-28 18:45:16,597 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 955 transitions. Word has length 66 [2018-11-28 18:45:16,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:16,598 INFO L480 AbstractCegarLoop]: Abstraction has 791 states and 955 transitions. [2018-11-28 18:45:16,598 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:45:16,598 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 955 transitions. [2018-11-28 18:45:16,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-28 18:45:16,600 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:16,601 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:45:16,601 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:16,601 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:16,601 INFO L82 PathProgramCache]: Analyzing trace with hash -1186024303, now seen corresponding path program 1 times [2018-11-28 18:45:16,601 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:16,602 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:16,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:16,602 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:16,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:16,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:16,833 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 18:45:16,833 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:16,833 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:45:16,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:45:16,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:45:16,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:45:16,835 INFO L87 Difference]: Start difference. First operand 791 states and 955 transitions. Second operand 6 states. [2018-11-28 18:45:16,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:16,971 INFO L93 Difference]: Finished difference Result 1582 states and 1970 transitions. [2018-11-28 18:45:16,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:45:16,974 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2018-11-28 18:45:16,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:16,980 INFO L225 Difference]: With dead ends: 1582 [2018-11-28 18:45:16,980 INFO L226 Difference]: Without dead ends: 819 [2018-11-28 18:45:16,982 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:45:16,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2018-11-28 18:45:17,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 811. [2018-11-28 18:45:17,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2018-11-28 18:45:17,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 975 transitions. [2018-11-28 18:45:17,042 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 975 transitions. Word has length 104 [2018-11-28 18:45:17,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:17,043 INFO L480 AbstractCegarLoop]: Abstraction has 811 states and 975 transitions. [2018-11-28 18:45:17,043 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:45:17,043 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 975 transitions. [2018-11-28 18:45:17,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-28 18:45:17,048 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:17,048 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:45:17,048 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:17,048 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:17,053 INFO L82 PathProgramCache]: Analyzing trace with hash 742248399, now seen corresponding path program 1 times [2018-11-28 18:45:17,053 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:17,053 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:17,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:17,054 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:17,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:17,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:17,796 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 18:45:17,797 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:17,797 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 18:45:17,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 18:45:17,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 18:45:17,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:45:17,799 INFO L87 Difference]: Start difference. First operand 811 states and 975 transitions. Second operand 8 states. [2018-11-28 18:45:18,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:18,216 INFO L93 Difference]: Finished difference Result 1622 states and 2010 transitions. [2018-11-28 18:45:18,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:45:18,218 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 104 [2018-11-28 18:45:18,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:18,226 INFO L225 Difference]: With dead ends: 1622 [2018-11-28 18:45:18,226 INFO L226 Difference]: Without dead ends: 839 [2018-11-28 18:45:18,230 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:45:18,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2018-11-28 18:45:18,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 827. [2018-11-28 18:45:18,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2018-11-28 18:45:18,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 991 transitions. [2018-11-28 18:45:18,290 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 991 transitions. Word has length 104 [2018-11-28 18:45:18,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:18,291 INFO L480 AbstractCegarLoop]: Abstraction has 827 states and 991 transitions. [2018-11-28 18:45:18,291 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 18:45:18,291 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 991 transitions. [2018-11-28 18:45:18,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-28 18:45:18,295 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:18,296 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:45:18,296 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:18,296 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:18,296 INFO L82 PathProgramCache]: Analyzing trace with hash 501708270, now seen corresponding path program 1 times [2018-11-28 18:45:18,296 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:18,297 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:18,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:18,300 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:18,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:18,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:18,652 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 18:45:18,652 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:18,652 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 18:45:18,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 18:45:18,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 18:45:18,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 18:45:18,653 INFO L87 Difference]: Start difference. First operand 827 states and 991 transitions. Second operand 4 states. [2018-11-28 18:45:20,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:20,181 INFO L93 Difference]: Finished difference Result 2613 states and 3282 transitions. [2018-11-28 18:45:20,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 18:45:20,182 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2018-11-28 18:45:20,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:20,195 INFO L225 Difference]: With dead ends: 2613 [2018-11-28 18:45:20,195 INFO L226 Difference]: Without dead ends: 1814 [2018-11-28 18:45:20,200 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 18:45:20,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1814 states. [2018-11-28 18:45:20,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1814 to 1783. [2018-11-28 18:45:20,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1783 states. [2018-11-28 18:45:20,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1783 states to 1783 states and 2191 transitions. [2018-11-28 18:45:20,329 INFO L78 Accepts]: Start accepts. Automaton has 1783 states and 2191 transitions. Word has length 104 [2018-11-28 18:45:20,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:20,330 INFO L480 AbstractCegarLoop]: Abstraction has 1783 states and 2191 transitions. [2018-11-28 18:45:20,330 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 18:45:20,330 INFO L276 IsEmpty]: Start isEmpty. Operand 1783 states and 2191 transitions. [2018-11-28 18:45:20,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-28 18:45:20,334 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:20,335 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:45:20,335 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:20,335 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:20,335 INFO L82 PathProgramCache]: Analyzing trace with hash -1312220376, now seen corresponding path program 1 times [2018-11-28 18:45:20,335 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:20,335 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:20,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:20,338 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:20,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:20,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:21,103 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 18:45:21,104 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:45:21,104 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:45:21,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:21,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:21,304 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:45:22,077 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:22,108 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:45:22,108 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-28 18:45:22,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-28 18:45:22,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-28 18:45:22,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-28 18:45:22,110 INFO L87 Difference]: Start difference. First operand 1783 states and 2191 transitions. Second operand 19 states. [2018-11-28 18:45:28,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:28,303 INFO L93 Difference]: Finished difference Result 3508 states and 4358 transitions. [2018-11-28 18:45:28,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-28 18:45:28,306 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 108 [2018-11-28 18:45:28,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:28,318 INFO L225 Difference]: With dead ends: 3508 [2018-11-28 18:45:28,318 INFO L226 Difference]: Without dead ends: 1753 [2018-11-28 18:45:28,326 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 103 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-28 18:45:28,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1753 states. [2018-11-28 18:45:28,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1753 to 1753. [2018-11-28 18:45:28,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1753 states. [2018-11-28 18:45:28,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1753 states to 1753 states and 2109 transitions. [2018-11-28 18:45:28,458 INFO L78 Accepts]: Start accepts. Automaton has 1753 states and 2109 transitions. Word has length 108 [2018-11-28 18:45:28,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:28,459 INFO L480 AbstractCegarLoop]: Abstraction has 1753 states and 2109 transitions. [2018-11-28 18:45:28,459 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-28 18:45:28,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1753 states and 2109 transitions. [2018-11-28 18:45:28,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-28 18:45:28,468 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:28,469 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:45:28,472 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:28,472 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:28,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1982437957, now seen corresponding path program 1 times [2018-11-28 18:45:28,473 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:28,473 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:28,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:28,474 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:28,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:28,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:28,640 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-28 18:45:28,641 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:28,641 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:45:28,641 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:45:28,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:45:28,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:45:28,642 INFO L87 Difference]: Start difference. First operand 1753 states and 2109 transitions. Second operand 3 states. [2018-11-28 18:45:28,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:28,822 INFO L93 Difference]: Finished difference Result 2786 states and 3443 transitions. [2018-11-28 18:45:28,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:45:28,822 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 162 [2018-11-28 18:45:28,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:28,840 INFO L225 Difference]: With dead ends: 2786 [2018-11-28 18:45:28,840 INFO L226 Difference]: Without dead ends: 2783 [2018-11-28 18:45:28,842 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 18:45:28,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2783 states. [2018-11-28 18:45:29,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2783 to 2625. [2018-11-28 18:45:29,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2625 states. [2018-11-28 18:45:29,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2625 states to 2625 states and 3251 transitions. [2018-11-28 18:45:29,042 INFO L78 Accepts]: Start accepts. Automaton has 2625 states and 3251 transitions. Word has length 162 [2018-11-28 18:45:29,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:29,042 INFO L480 AbstractCegarLoop]: Abstraction has 2625 states and 3251 transitions. [2018-11-28 18:45:29,042 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:45:29,043 INFO L276 IsEmpty]: Start isEmpty. Operand 2625 states and 3251 transitions. [2018-11-28 18:45:29,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-11-28 18:45:29,055 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:29,056 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:45:29,056 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:29,056 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:29,056 INFO L82 PathProgramCache]: Analyzing trace with hash -350469937, now seen corresponding path program 1 times [2018-11-28 18:45:29,056 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:29,057 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:29,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:29,057 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:29,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:29,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:29,442 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 49 proven. 12 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-28 18:45:29,442 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:45:29,442 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:45:29,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:29,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:29,659 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:45:30,087 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 19 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-28 18:45:30,117 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 18:45:30,117 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 16 [2018-11-28 18:45:30,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-28 18:45:30,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-28 18:45:30,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2018-11-28 18:45:30,118 INFO L87 Difference]: Start difference. First operand 2625 states and 3251 transitions. Second operand 16 states. [2018-11-28 18:45:34,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:34,083 INFO L93 Difference]: Finished difference Result 8700 states and 12494 transitions. [2018-11-28 18:45:34,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-28 18:45:34,084 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 223 [2018-11-28 18:45:34,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:34,125 INFO L225 Difference]: With dead ends: 8700 [2018-11-28 18:45:34,125 INFO L226 Difference]: Without dead ends: 6427 [2018-11-28 18:45:34,139 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=234, Invalid=888, Unknown=0, NotChecked=0, Total=1122 [2018-11-28 18:45:34,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6427 states. [2018-11-28 18:45:34,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6427 to 5443. [2018-11-28 18:45:34,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5443 states. [2018-11-28 18:45:34,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5443 states to 5443 states and 6710 transitions. [2018-11-28 18:45:34,587 INFO L78 Accepts]: Start accepts. Automaton has 5443 states and 6710 transitions. Word has length 223 [2018-11-28 18:45:34,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:34,587 INFO L480 AbstractCegarLoop]: Abstraction has 5443 states and 6710 transitions. [2018-11-28 18:45:34,588 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-28 18:45:34,588 INFO L276 IsEmpty]: Start isEmpty. Operand 5443 states and 6710 transitions. [2018-11-28 18:45:34,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-11-28 18:45:34,611 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:34,612 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:45:34,612 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:34,612 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:34,612 INFO L82 PathProgramCache]: Analyzing trace with hash -1969444851, now seen corresponding path program 1 times [2018-11-28 18:45:34,612 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:34,613 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:34,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:34,614 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:34,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:35,296 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 45 proven. 8 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-28 18:45:35,297 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:45:35,297 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:45:35,308 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:35,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:35,458 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:45:35,544 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-28 18:45:35,564 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:45:35,564 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-11-28 18:45:35,565 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 18:45:35,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 18:45:35,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-28 18:45:35,565 INFO L87 Difference]: Start difference. First operand 5443 states and 6710 transitions. Second operand 13 states. [2018-11-28 18:45:36,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:36,138 INFO L93 Difference]: Finished difference Result 6733 states and 8216 transitions. [2018-11-28 18:45:36,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 18:45:36,139 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 223 [2018-11-28 18:45:36,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:36,141 INFO L225 Difference]: With dead ends: 6733 [2018-11-28 18:45:36,142 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:45:36,161 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-28 18:45:36,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:45:36,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:45:36,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:45:36,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:45:36,163 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 223 [2018-11-28 18:45:36,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:36,165 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:45:36,165 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 18:45:36,165 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:45:36,165 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:45:36,172 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:45:36,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,581 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 27 [2018-11-28 18:45:36,744 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-11-28 18:45:36,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,789 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,806 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,148 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,257 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,758 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,760 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:38,010 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:38,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:38,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:38,019 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 48 [2018-11-28 18:45:39,375 WARN L180 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 72 DAG size of output: 18 [2018-11-28 18:45:39,747 WARN L180 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 1 [2018-11-28 18:45:40,315 WARN L180 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2018-11-28 18:45:40,508 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 1 [2018-11-28 18:45:41,814 WARN L180 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 61 DAG size of output: 28 [2018-11-28 18:45:42,031 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-28 18:45:42,717 WARN L180 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2018-11-28 18:45:43,360 WARN L180 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2018-11-28 18:45:44,131 WARN L180 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 25 [2018-11-28 18:45:44,252 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2018-11-28 18:45:45,166 WARN L180 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 28 [2018-11-28 18:45:45,580 WARN L180 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 28 [2018-11-28 18:45:45,793 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 31 [2018-11-28 18:45:46,257 WARN L180 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 27 [2018-11-28 18:45:46,449 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 26 [2018-11-28 18:45:46,598 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2018-11-28 18:45:46,929 WARN L180 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 30 [2018-11-28 18:45:47,596 WARN L180 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 47 [2018-11-28 18:45:47,714 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2018-11-28 18:45:47,889 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 25 [2018-11-28 18:45:48,300 WARN L180 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 25 [2018-11-28 18:45:48,417 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 22 [2018-11-28 18:45:48,608 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 20 [2018-11-28 18:45:49,020 WARN L180 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 32 [2018-11-28 18:45:49,171 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 32 [2018-11-28 18:45:49,632 WARN L180 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 28 [2018-11-28 18:45:50,058 WARN L180 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 25 [2018-11-28 18:45:50,239 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 32 [2018-11-28 18:45:50,485 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2018-11-28 18:45:51,169 WARN L180 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 35 [2018-11-28 18:45:51,426 WARN L180 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 32 [2018-11-28 18:45:51,553 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 37 [2018-11-28 18:45:51,902 WARN L180 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 28 [2018-11-28 18:45:51,906 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 282 288) the Hoare annotation is: true [2018-11-28 18:45:51,907 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 282 288) no Hoare annotation was computed. [2018-11-28 18:45:51,907 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 289 297) no Hoare annotation was computed. [2018-11-28 18:45:51,907 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 289 297) the Hoare annotation is: true [2018-11-28 18:45:51,907 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 289 297) no Hoare annotation was computed. [2018-11-28 18:45:51,907 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 240 262) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 18:45:51,907 INFO L444 ceAbstractionStarter]: At program point L252(line 252) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:51,908 INFO L444 ceAbstractionStarter]: At program point L252-1(line 252) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:51,908 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 257) no Hoare annotation was computed. [2018-11-28 18:45:51,908 INFO L448 ceAbstractionStarter]: For program point L250-1(lines 250 257) no Hoare annotation was computed. [2018-11-28 18:45:51,908 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 240 262) no Hoare annotation was computed. [2018-11-28 18:45:51,908 INFO L448 ceAbstractionStarter]: For program point L248(line 248) no Hoare annotation was computed. [2018-11-28 18:45:51,908 INFO L444 ceAbstractionStarter]: At program point L247(line 247) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 18:45:51,908 INFO L444 ceAbstractionStarter]: At program point L246(line 246) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 18:45:51,908 INFO L444 ceAbstractionStarter]: At program point L246-1(line 246) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 18:45:51,913 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 240 262) no Hoare annotation was computed. [2018-11-28 18:45:51,913 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 954 968) no Hoare annotation was computed. [2018-11-28 18:45:51,913 INFO L444 ceAbstractionStarter]: At program point L960(line 960) the Hoare annotation is: (let ((.cse4 (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (= |old(~systemActive~0)| 0)) (.cse2 (< ~waterLevel~0 2)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 .cse2 .cse3) .cse4) (or .cse4 (or .cse1 .cse2 .cse3 .cse5)) (or .cse6 .cse3 .cse5) (or .cse0 .cse6 .cse3))) [2018-11-28 18:45:51,913 INFO L448 ceAbstractionStarter]: For program point L958(lines 958 964) no Hoare annotation was computed. [2018-11-28 18:45:51,914 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 954 968) the Hoare annotation is: (let ((.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse4 (and (not (= ~systemActive~0 0)) .cse6)) (.cse1 (= |old(~systemActive~0)| 0)) (.cse2 (< ~waterLevel~0 2)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or (or .cse0 .cse1 .cse2 .cse3) .cse4) (or .cse4 (or .cse1 .cse2 .cse3 .cse5)) (or .cse6 .cse0 .cse7 .cse3) (or .cse6 .cse7 .cse3 .cse5)))) [2018-11-28 18:45:51,914 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 954 968) no Hoare annotation was computed. [2018-11-28 18:45:51,914 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 871 879) no Hoare annotation was computed. [2018-11-28 18:45:51,914 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 871 879) the Hoare annotation is: true [2018-11-28 18:45:51,914 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 871 879) no Hoare annotation was computed. [2018-11-28 18:45:51,914 INFO L448 ceAbstractionStarter]: For program point L944(lines 944 948) no Hoare annotation was computed. [2018-11-28 18:45:51,914 INFO L451 ceAbstractionStarter]: At program point L942(line 942) the Hoare annotation is: true [2018-11-28 18:45:51,914 INFO L448 ceAbstractionStarter]: For program point L944-2(lines 944 948) no Hoare annotation was computed. [2018-11-28 18:45:51,914 INFO L448 ceAbstractionStarter]: For program point L942-1(line 942) no Hoare annotation was computed. [2018-11-28 18:45:51,914 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 935 953) the Hoare annotation is: true [2018-11-28 18:45:51,915 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 935 953) no Hoare annotation was computed. [2018-11-28 18:45:51,915 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 935 953) no Hoare annotation was computed. [2018-11-28 18:45:51,915 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 275 281) no Hoare annotation was computed. [2018-11-28 18:45:51,915 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 275 281) the Hoare annotation is: true [2018-11-28 18:45:51,915 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 226 236) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 18:45:51,915 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 226 236) no Hoare annotation was computed. [2018-11-28 18:45:51,915 INFO L444 ceAbstractionStarter]: At program point L231(line 231) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 18:45:51,915 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 226 236) no Hoare annotation was computed. [2018-11-28 18:45:51,915 INFO L451 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: true [2018-11-28 18:45:51,915 INFO L448 ceAbstractionStarter]: For program point L865-1(line 865) no Hoare annotation was computed. [2018-11-28 18:45:51,916 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 860 870) the Hoare annotation is: true [2018-11-28 18:45:51,916 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 860 870) no Hoare annotation was computed. [2018-11-28 18:45:51,916 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 860 870) no Hoare annotation was computed. [2018-11-28 18:45:51,916 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 852 859) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 18:45:51,916 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 852 859) no Hoare annotation was computed. [2018-11-28 18:45:51,916 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 852 859) no Hoare annotation was computed. [2018-11-28 18:45:51,916 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 801 825) no Hoare annotation was computed. [2018-11-28 18:45:51,916 INFO L444 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:45:51,916 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 801 825) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 18:45:51,916 INFO L448 ceAbstractionStarter]: For program point L820-1(lines 801 825) no Hoare annotation was computed. [2018-11-28 18:45:51,917 INFO L444 ceAbstractionStarter]: At program point L815(line 815) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (and (= 0 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse3) (or .cse2 .cse3 .cse5 .cse4) (or .cse1 .cse2 .cse3 .cse5))) [2018-11-28 18:45:51,917 INFO L444 ceAbstractionStarter]: At program point L811(line 811) the Hoare annotation is: (let ((.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (and (= 0 ~waterLevel~0) .cse7)) (.cse4 (and .cse7 (= processEnvironment_~tmp~6 1))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse3 .cse5 .cse6) (or .cse1 .cse2 .cse3 .cse5) (or .cse0 .cse6 .cse4 .cse2 .cse3)))) [2018-11-28 18:45:51,917 INFO L448 ceAbstractionStarter]: For program point L809(lines 809 817) no Hoare annotation was computed. [2018-11-28 18:45:51,917 INFO L444 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse2) (or .cse4 .cse0 .cse1 .cse2) (or .cse5 .cse1 .cse2 .cse3))) [2018-11-28 18:45:51,917 INFO L448 ceAbstractionStarter]: For program point L807-1(line 807) no Hoare annotation was computed. [2018-11-28 18:45:51,917 INFO L448 ceAbstractionStarter]: For program point L805(lines 805 822) no Hoare annotation was computed. [2018-11-28 18:45:51,917 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2018-11-28 18:45:51,917 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2018-11-28 18:45:51,918 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2018-11-28 18:45:51,918 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2018-11-28 18:45:51,918 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 767 773) no Hoare annotation was computed. [2018-11-28 18:45:51,918 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 767 773) the Hoare annotation is: true [2018-11-28 18:45:51,918 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 301 368) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 18:45:51,918 INFO L444 ceAbstractionStarter]: At program point L351(line 351) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse6 (not (= ~systemActive~0 0))) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3) (and .cse5 .cse6 .cse1 .cse3 .cse2) (and .cse4 .cse5 .cse6 .cse3 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:45:51,918 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 355) no Hoare annotation was computed. [2018-11-28 18:45:51,918 INFO L444 ceAbstractionStarter]: At program point L349-1(lines 341 356) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse6 (not (= ~systemActive~0 0))) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3) (and .cse5 .cse6 .cse1 .cse3 .cse2) (and .cse4 .cse5 .cse6 .cse3 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:45:51,919 INFO L448 ceAbstractionStarter]: For program point L312(lines 311 360) no Hoare annotation was computed. [2018-11-28 18:45:51,919 INFO L444 ceAbstractionStarter]: At program point L343(line 343) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse5 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse5 .cse4 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:45:51,919 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 301 368) no Hoare annotation was computed. [2018-11-28 18:45:51,919 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 356) no Hoare annotation was computed. [2018-11-28 18:45:51,919 INFO L444 ceAbstractionStarter]: At program point L333(line 333) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~methaneLevelCritical~0 1) .cse1 .cse2) (and .cse3 .cse0 .cse1 .cse2) (and .cse3 (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse2 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:45:51,919 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 337) no Hoare annotation was computed. [2018-11-28 18:45:51,919 INFO L448 ceAbstractionStarter]: For program point L331-1(lines 331 337) no Hoare annotation was computed. [2018-11-28 18:45:51,920 INFO L444 ceAbstractionStarter]: At program point L358(lines 311 360) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~methaneLevelCritical~0 1) .cse1 .cse2) (and .cse3 .cse0 .cse1 .cse2) (and .cse3 (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse2 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:45:51,920 INFO L444 ceAbstractionStarter]: At program point L323(line 323) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 (= ~methaneLevelCritical~0 1) .cse1 .cse2) (and .cse3 (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and (and .cse3 .cse0 .cse1) .cse2) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:45:51,920 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 327) no Hoare annotation was computed. [2018-11-28 18:45:51,920 INFO L448 ceAbstractionStarter]: For program point L321-1(lines 321 327) no Hoare annotation was computed. [2018-11-28 18:45:51,920 INFO L448 ceAbstractionStarter]: For program point L313(lines 313 317) no Hoare annotation was computed. [2018-11-28 18:45:51,920 INFO L444 ceAbstractionStarter]: At program point L361(lines 310 362) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:51,920 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 301 368) no Hoare annotation was computed. [2018-11-28 18:45:51,920 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 826 833) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methAndRunningLastTime~0 0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 18:45:51,920 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 826 833) no Hoare annotation was computed. [2018-11-28 18:45:51,921 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 826 833) no Hoare annotation was computed. [2018-11-28 18:45:51,921 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2018-11-28 18:45:51,921 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2018-11-28 18:45:51,921 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2018-11-28 18:45:51,921 INFO L444 ceAbstractionStarter]: At program point L993(line 993) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= ~systemActive~0 0)) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~waterLevel~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse3 .cse4) (or .cse6 .cse1 .cse5 (not (= ~waterLevel~0 0)) .cse3) (or .cse6 .cse0 .cse5 .cse3 .cse1) (or .cse1 .cse6 .cse0 .cse2 .cse3))) [2018-11-28 18:45:51,921 INFO L448 ceAbstractionStarter]: For program point L993-1(line 993) no Hoare annotation was computed. [2018-11-28 18:45:51,921 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 987 1015) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= ~systemActive~0 0)) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~waterLevel~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse3 .cse4) (or .cse6 .cse1 .cse5 (not (= ~waterLevel~0 0)) .cse3) (or .cse6 .cse0 .cse5 .cse3 .cse1) (or .cse1 .cse6 .cse0 .cse2 .cse3))) [2018-11-28 18:45:51,921 INFO L444 ceAbstractionStarter]: At program point L1002(line 1002) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 0)) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (or .cse4 .cse3)) (.cse5 (not (= ~waterLevel~0 0)))) (and (or .cse0 .cse1) (or .cse2 (< ~waterLevel~0 2)) (or .cse1 .cse3) (or .cse0 .cse4 .cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (or .cse2 .cse5)))) [2018-11-28 18:45:51,922 INFO L448 ceAbstractionStarter]: For program point L1000(lines 1000 1006) no Hoare annotation was computed. [2018-11-28 18:45:51,922 INFO L448 ceAbstractionStarter]: For program point L999(lines 999 1009) no Hoare annotation was computed. [2018-11-28 18:45:51,922 INFO L444 ceAbstractionStarter]: At program point L997(line 997) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 0)) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse5 (or .cse2 .cse7)) (.cse3 (not (= ~waterLevel~0 0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (< ~waterLevel~0 2)) (or .cse6 .cse7) (or .cse5 .cse3) (or .cse1 .cse0 .cse6 (not (= ~waterLevel~0 1)) .cse4)))) [2018-11-28 18:45:51,922 INFO L448 ceAbstractionStarter]: For program point L997-1(line 997) no Hoare annotation was computed. [2018-11-28 18:45:51,922 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 987 1015) no Hoare annotation was computed. [2018-11-28 18:45:51,922 INFO L448 ceAbstractionStarter]: For program point L995(lines 995 1012) no Hoare annotation was computed. [2018-11-28 18:45:51,922 INFO L448 ceAbstractionStarter]: For program point L995-1(lines 987 1015) no Hoare annotation was computed. [2018-11-28 18:45:51,922 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 979 986) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0)) (= 0 ~methAndRunningLastTime~0)) [2018-11-28 18:45:51,922 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 979 986) no Hoare annotation was computed. [2018-11-28 18:45:51,922 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 979 986) no Hoare annotation was computed. [2018-11-28 18:45:51,923 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:45:51,923 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:45:51,923 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:45:51,923 INFO L444 ceAbstractionStarter]: At program point L846(line 846) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 (and (= activatePump_~tmp~7 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:45:51,923 INFO L448 ceAbstractionStarter]: For program point L846-1(lines 835 851) no Hoare annotation was computed. [2018-11-28 18:45:51,923 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 835 851) no Hoare annotation was computed. [2018-11-28 18:45:51,923 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 848) no Hoare annotation was computed. [2018-11-28 18:45:51,923 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 835 851) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 2)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse0 .cse4 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:45:51,923 INFO L444 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 2)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse0 .cse4 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:45:51,924 INFO L448 ceAbstractionStarter]: For program point L840-1(line 840) no Hoare annotation was computed. [2018-11-28 18:45:51,924 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 916 934) no Hoare annotation was computed. [2018-11-28 18:45:51,924 INFO L448 ceAbstractionStarter]: For program point L925(lines 925 929) no Hoare annotation was computed. [2018-11-28 18:45:51,924 INFO L451 ceAbstractionStarter]: At program point L923(line 923) the Hoare annotation is: true [2018-11-28 18:45:51,924 INFO L448 ceAbstractionStarter]: For program point L925-2(lines 925 929) no Hoare annotation was computed. [2018-11-28 18:45:51,924 INFO L448 ceAbstractionStarter]: For program point L923-1(line 923) no Hoare annotation was computed. [2018-11-28 18:45:51,924 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 916 934) the Hoare annotation is: true [2018-11-28 18:45:51,924 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 916 934) no Hoare annotation was computed. [2018-11-28 18:45:51,924 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2018-11-28 18:45:51,924 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (= ~methaneLevelCritical~0 1) (not (= |old(~methaneLevelCritical~0)| 1)) .cse0 .cse1) (or .cse3 (= ~systemActive~0 0) (< ~waterLevel~0 2) .cse1 .cse2))) [2018-11-28 18:45:51,924 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2018-11-28 18:45:51,925 INFO L444 ceAbstractionStarter]: At program point L756(line 756) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse8 (= 0 ~methAndRunningLastTime~0)) (.cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse3 (< |old(~waterLevel~0)| 2)) (.cse2 (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse8 .cse9)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (and (not .cse1) (= ~waterLevel~0 |old(~waterLevel~0)|) .cse8 .cse9)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse3 .cse2 .cse4 .cse5) (or .cse0 .cse6 .cse4 .cse7) (or .cse6 .cse7 .cse4 .cse5)))) [2018-11-28 18:45:51,925 INFO L444 ceAbstractionStarter]: At program point L754(lines 754 760) the Hoare annotation is: (let ((.cse7 (= ~systemActive~0 0)) (.cse12 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (let ((.cse8 (< |old(~waterLevel~0)| 2)) (.cse6 (and (= 0 ~pumpRunning~0) .cse5)) (.cse11 (and .cse12 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse10 (and (<= 2 ~waterLevel~0) (not .cse7) .cse12)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (and (not (= ~waterLevel~0 1)) .cse5) .cse6 .cse7 .cse8 .cse4 .cse9) (or .cse10 .cse2 .cse11 .cse4 .cse9) (or .cse1 .cse7 .cse8 .cse4 .cse6) (or .cse1 .cse2 .cse11 .cse4) (or .cse2 .cse0 .cse3 .cse4 .cse9) (or .cse1 .cse2 .cse7 .cse4 .cse0) (or .cse10 .cse2 .cse7 .cse0 .cse4 .cse9)))) [2018-11-28 18:45:51,925 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 743 766) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse3 .cse4 .cse0) (or .cse6 .cse1 .cse2 .cse3 .cse0) (or .cse0 .cse6 .cse5 .cse3))) [2018-11-28 18:45:51,926 INFO L444 ceAbstractionStarter]: At program point L749(line 749) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= ~systemActive~0 0)) (.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse8 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse3 .cse4 (and .cse5 .cse6 .cse7) .cse8 .cse1) (or .cse4 (and .cse5 .cse7 .cse6) .cse8 .cse1 .cse2))) [2018-11-28 18:45:51,926 INFO L448 ceAbstractionStarter]: For program point L747(lines 746 765) no Hoare annotation was computed. [2018-11-28 18:45:51,926 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 743 766) no Hoare annotation was computed. [2018-11-28 18:45:51,926 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 743 766) no Hoare annotation was computed. [2018-11-28 18:45:51,926 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 162 191) no Hoare annotation was computed. [2018-11-28 18:45:51,926 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 162 191) the Hoare annotation is: true [2018-11-28 18:45:51,926 INFO L451 ceAbstractionStarter]: At program point L187(lines 162 191) the Hoare annotation is: true [2018-11-28 18:45:51,926 INFO L448 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2018-11-28 18:45:51,926 INFO L448 ceAbstractionStarter]: For program point L176(lines 176 180) no Hoare annotation was computed. [2018-11-28 18:45:51,926 INFO L451 ceAbstractionStarter]: At program point L176-1(lines 176 180) the Hoare annotation is: true [2018-11-28 18:45:51,926 INFO L448 ceAbstractionStarter]: For program point L173(line 173) no Hoare annotation was computed. [2018-11-28 18:45:51,927 INFO L451 ceAbstractionStarter]: At program point L172-2(lines 172 186) the Hoare annotation is: true [2018-11-28 18:45:51,927 INFO L451 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: true [2018-11-28 18:45:51,927 INFO L448 ceAbstractionStarter]: For program point L168-1(line 168) no Hoare annotation was computed. [2018-11-28 18:45:51,927 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2018-11-28 18:45:51,927 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2018-11-28 18:45:51,927 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2018-11-28 18:45:51,927 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 0)) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0 .cse1 .cse3))) [2018-11-28 18:45:51,927 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2018-11-28 18:45:51,927 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2018-11-28 18:45:51,927 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 217 223) no Hoare annotation was computed. [2018-11-28 18:45:51,927 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 217 223) the Hoare annotation is: true [2018-11-28 18:45:51,928 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:45:51,928 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-11-28 18:45:51,928 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:45:51,928 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:45:51,928 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 775 799) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= ~systemActive~0 0)) (.cse6 (not (= ~waterLevel~0 0))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse3 .cse2) (or .cse5 .cse2 .cse1 .cse6 .cse3) (or .cse1 .cse6 .cse2 .cse3 .cse4))) [2018-11-28 18:45:51,928 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 775 799) no Hoare annotation was computed. [2018-11-28 18:45:51,928 INFO L444 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= ~systemActive~0 0)) (.cse6 (not (= ~waterLevel~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse6 .cse3) (or .cse2 .cse6 .cse5 .cse3 .cse4))) [2018-11-28 18:45:51,928 INFO L448 ceAbstractionStarter]: For program point L794-1(lines 775 799) no Hoare annotation was computed. [2018-11-28 18:45:51,929 INFO L444 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: (let ((.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse7 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) .cse8)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~waterLevel~0 0))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (and (= 0 ~pumpRunning~0) .cse8))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse7 .cse3) (or .cse6 .cse1 .cse3 .cse4 .cse7) (or .cse5 .cse1 .cse2 .cse3 .cse0)))) [2018-11-28 18:45:51,929 INFO L444 ceAbstractionStarter]: At program point L785(line 785) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~waterLevel~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~systemActive~0 0)) (.cse6 (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse0 .cse2) (or .cse4 .cse0 .cse1 .cse2) (or .cse5 .cse0 .cse6 .cse2 .cse3))) [2018-11-28 18:45:51,929 INFO L448 ceAbstractionStarter]: For program point L783(lines 783 791) no Hoare annotation was computed. [2018-11-28 18:45:51,929 INFO L444 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: (let ((.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~waterLevel~0 0))) (.cse0 (and (= 0 ~pumpRunning~0) .cse6)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse3 .cse4) (or .cse7 .cse5 .cse1 .cse3 .cse6) (or .cse7 .cse1 .cse2 .cse0 .cse3)))) [2018-11-28 18:45:51,929 INFO L448 ceAbstractionStarter]: For program point L781-1(line 781) no Hoare annotation was computed. [2018-11-28 18:45:51,929 INFO L448 ceAbstractionStarter]: For program point L779(lines 779 796) no Hoare annotation was computed. [2018-11-28 18:45:51,929 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 969 976) no Hoare annotation was computed. [2018-11-28 18:45:51,929 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 969 976) the Hoare annotation is: true [2018-11-28 18:45:51,929 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 969 976) no Hoare annotation was computed. [2018-11-28 18:45:51,930 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2018-11-28 18:45:51,930 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2018-11-28 18:45:51,930 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (= ~systemActive~0 0) .cse1 .cse2) (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1 .cse3) (or .cse0 .cse3 .cse1 .cse2))) [2018-11-28 18:45:51,930 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 151 158) no Hoare annotation was computed. [2018-11-28 18:45:51,930 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 155) no Hoare annotation was computed. [2018-11-28 18:45:51,930 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 151 158) the Hoare annotation is: true [2018-11-28 18:45:51,930 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 151 158) no Hoare annotation was computed. [2018-11-28 18:45:51,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:45:51 BoogieIcfgContainer [2018-11-28 18:45:51,950 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:45:51,950 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:45:51,950 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:45:51,951 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:45:51,951 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:45:10" (3/4) ... [2018-11-28 18:45:51,955 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:45:51,965 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:45:51,965 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:45:51,965 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:45:51,965 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-28 18:45:51,965 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:45:51,965 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 18:45:51,966 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:45:51,966 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:45:51,966 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 18:45:51,966 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 18:45:51,966 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:45:51,966 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 18:45:51,966 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 18:45:51,966 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:45:51,966 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-28 18:45:51,966 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 18:45:51,966 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-28 18:45:51,967 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-28 18:45:51,967 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:45:51,967 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 18:45:51,967 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 18:45:51,967 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:45:51,967 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:45:51,967 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:45:51,967 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 18:45:51,967 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:45:51,967 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:45:51,968 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:45:51,968 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 18:45:51,968 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:45:51,968 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:45:51,983 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-28 18:45:51,984 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 18:45:51,985 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 18:45:51,985 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 18:45:51,986 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:45:51,986 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:45:52,027 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0 == \old(pumpRunning)) || (((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == methaneLevelCritical && 2 <= waterLevel) && !(systemActive == 0)) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:45:52,027 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:45:52,129 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:45:52,129 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:45:52,130 INFO L168 Benchmark]: Toolchain (without parser) took 43867.63 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 515.9 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -197.9 MB). Peak memory consumption was 318.0 MB. Max. memory is 11.5 GB. [2018-11-28 18:45:52,131 INFO L168 Benchmark]: CDTParser took 0.18 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 18:45:52,131 INFO L168 Benchmark]: CACSL2BoogieTranslator took 863.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -160.8 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:45:52,132 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-28 18:45:52,132 INFO L168 Benchmark]: Boogie Preprocessor took 60.44 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 18:45:52,133 INFO L168 Benchmark]: RCFGBuilder took 1365.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 11.5 GB. [2018-11-28 18:45:52,133 INFO L168 Benchmark]: TraceAbstraction took 41348.34 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 395.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -111.9 MB). Peak memory consumption was 662.4 MB. Max. memory is 11.5 GB. [2018-11-28 18:45:52,133 INFO L168 Benchmark]: Witness Printer took 179.10 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2018-11-28 18:45:52,136 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 863.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -160.8 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 60.44 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 1365.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 41348.34 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 395.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -111.9 MB). Peak memory consumption was 662.4 MB. Max. memory is 11.5 GB. * Witness Printer took 179.10 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 155]: 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: 162]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: ((((((!(0 == \old(pumpRunning)) || (((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == methaneLevelCritical && 2 <= waterLevel) && !(systemActive == 0)) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 168 locations, 1 error locations. SAFE Result, 41.2s OverallTime, 12 OverallIterations, 4 TraceHistogramMax, 17.0s AutomataDifference, 0.0s DeadEndRemovalTime, 15.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 2477 SDtfs, 2191 SDslu, 8290 SDs, 0 SdLazy, 4546 SolverSat, 838 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 704 GetRequests, 587 SyntacticMatches, 2 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 378 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5443occurred in iteration=11, 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: 1.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 1309 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 5955 PreInvPairs, 6263 NumberOfFragments, 2873 HoareAnnotationTreeSize, 5955 FomulaSimplifications, 15852 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 70 FomulaSimplificationsInter, 26695 FormulaSimplificationTreeSizeReductionInter, 13.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 1870 NumberOfCodeBlocks, 1870 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1855 ConstructedInterpolants, 0 QuantifiedInterpolants, 434086 SizeOfPredicates, 9 NumberOfNonLiveVariables, 2950 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 521/562 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...