./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product63_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4e9fd053-30c4-4d56-82bc-d3d29976726b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4e9fd053-30c4-4d56-82bc-d3d29976726b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4e9fd053-30c4-4d56-82bc-d3d29976726b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4e9fd053-30c4-4d56-82bc-d3d29976726b/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product63_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4e9fd053-30c4-4d56-82bc-d3d29976726b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4e9fd053-30c4-4d56-82bc-d3d29976726b/bin-2019/uautomizer --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 2e5cd7f0160b88327fd5a74ba9af5182d0c658c6 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 01:16:14,310 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 01:16:14,311 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 01:16:14,317 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 01:16:14,317 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 01:16:14,318 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 01:16:14,319 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 01:16:14,319 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 01:16:14,320 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 01:16:14,320 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 01:16:14,321 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 01:16:14,321 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 01:16:14,321 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 01:16:14,322 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 01:16:14,322 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 01:16:14,323 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 01:16:14,323 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 01:16:14,324 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 01:16:14,325 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 01:16:14,326 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 01:16:14,326 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 01:16:14,327 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 01:16:14,328 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 01:16:14,328 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 01:16:14,328 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 01:16:14,329 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 01:16:14,329 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 01:16:14,330 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 01:16:14,330 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 01:16:14,330 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 01:16:14,331 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 01:16:14,331 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 01:16:14,331 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 01:16:14,331 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 01:16:14,332 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 01:16:14,332 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 01:16:14,332 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4e9fd053-30c4-4d56-82bc-d3d29976726b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 01:16:14,339 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 01:16:14,340 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 01:16:14,340 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 01:16:14,340 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 01:16:14,340 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 01:16:14,341 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 01:16:14,341 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 01:16:14,341 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 01:16:14,341 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 01:16:14,341 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 01:16:14,341 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 01:16:14,341 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 01:16:14,341 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 01:16:14,341 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 01:16:14,341 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 01:16:14,341 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 01:16:14,342 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 01:16:14,342 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 01:16:14,342 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 01:16:14,342 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 01:16:14,342 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 01:16:14,342 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 01:16:14,342 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 01:16:14,342 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 01:16:14,342 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 01:16:14,342 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 01:16:14,342 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 01:16:14,343 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 01:16:14,343 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 01:16:14,343 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 01:16:14,343 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_4e9fd053-30c4-4d56-82bc-d3d29976726b/bin-2019/uautomizer 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 -> 2e5cd7f0160b88327fd5a74ba9af5182d0c658c6 [2018-12-02 01:16:14,360 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 01:16:14,367 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 01:16:14,368 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 01:16:14,369 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 01:16:14,369 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 01:16:14,370 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4e9fd053-30c4-4d56-82bc-d3d29976726b/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product63_true-unreach-call_false-termination.cil.c [2018-12-02 01:16:14,404 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4e9fd053-30c4-4d56-82bc-d3d29976726b/bin-2019/uautomizer/data/1815e0d8d/901c9578f3114f81a546f6c193a14089/FLAG5ff0cf773 [2018-12-02 01:16:14,842 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 01:16:14,842 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4e9fd053-30c4-4d56-82bc-d3d29976726b/sv-benchmarks/c/product-lines/minepump_spec2_product63_true-unreach-call_false-termination.cil.c [2018-12-02 01:16:14,848 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4e9fd053-30c4-4d56-82bc-d3d29976726b/bin-2019/uautomizer/data/1815e0d8d/901c9578f3114f81a546f6c193a14089/FLAG5ff0cf773 [2018-12-02 01:16:14,856 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4e9fd053-30c4-4d56-82bc-d3d29976726b/bin-2019/uautomizer/data/1815e0d8d/901c9578f3114f81a546f6c193a14089 [2018-12-02 01:16:14,857 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 01:16:14,858 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 01:16:14,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 01:16:14,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 01:16:14,861 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 01:16:14,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:16:14" (1/1) ... [2018-12-02 01:16:14,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48c8a763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:14, skipping insertion in model container [2018-12-02 01:16:14,863 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:16:14" (1/1) ... [2018-12-02 01:16:14,867 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 01:16:14,888 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 01:16:15,043 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 01:16:15,091 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 01:16:15,154 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 01:16:15,176 INFO L195 MainTranslator]: Completed translation [2018-12-02 01:16:15,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:15 WrapperNode [2018-12-02 01:16:15,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 01:16:15,177 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 01:16:15,177 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 01:16:15,177 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 01:16:15,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:15" (1/1) ... [2018-12-02 01:16:15,195 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:15" (1/1) ... [2018-12-02 01:16:15,203 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 01:16:15,203 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 01:16:15,203 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 01:16:15,203 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 01:16:15,209 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:15" (1/1) ... [2018-12-02 01:16:15,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:15" (1/1) ... [2018-12-02 01:16:15,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:15" (1/1) ... [2018-12-02 01:16:15,213 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:15" (1/1) ... [2018-12-02 01:16:15,222 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:15" (1/1) ... [2018-12-02 01:16:15,228 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:15" (1/1) ... [2018-12-02 01:16:15,230 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:15" (1/1) ... [2018-12-02 01:16:15,233 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 01:16:15,234 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 01:16:15,234 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 01:16:15,234 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 01:16:15,235 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e9fd053-30c4-4d56-82bc-d3d29976726b/bin-2019/uautomizer/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 [2018-12-02 01:16:15,267 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 01:16:15,267 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 01:16:15,267 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 01:16:15,267 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 01:16:15,267 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-02 01:16:15,267 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-02 01:16:15,267 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-02 01:16:15,267 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-02 01:16:15,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 01:16:15,267 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 01:16:15,267 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 01:16:15,267 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 01:16:15,268 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 01:16:15,268 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 01:16:15,268 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 01:16:15,268 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 01:16:15,268 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 01:16:15,268 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 01:16:15,268 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 01:16:15,268 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-02 01:16:15,269 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-02 01:16:15,269 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-02 01:16:15,269 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-02 01:16:15,269 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-02 01:16:15,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-02 01:16:15,269 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-02 01:16:15,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-02 01:16:15,269 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 01:16:15,269 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 01:16:15,270 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 01:16:15,270 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 01:16:15,270 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 01:16:15,270 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 01:16:15,270 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 01:16:15,270 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 01:16:15,270 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 01:16:15,270 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 01:16:15,270 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 01:16:15,271 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 01:16:15,271 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 01:16:15,271 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 01:16:15,271 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 01:16:15,271 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 01:16:15,271 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 01:16:15,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 01:16:15,271 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 01:16:15,271 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 01:16:15,272 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-02 01:16:15,272 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-02 01:16:15,272 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 01:16:15,272 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 01:16:15,272 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 01:16:15,272 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 01:16:15,272 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 01:16:15,272 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 01:16:15,272 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 01:16:15,273 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 01:16:15,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 01:16:15,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 01:16:15,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 01:16:15,273 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 01:16:15,273 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 01:16:15,273 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 01:16:15,273 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 01:16:15,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 01:16:15,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 01:16:15,593 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 01:16:15,594 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 01:16:15,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:16:15 BoogieIcfgContainer [2018-12-02 01:16:15,594 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 01:16:15,594 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 01:16:15,594 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 01:16:15,596 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 01:16:15,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:16:14" (1/3) ... [2018-12-02 01:16:15,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1928521c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:16:15, skipping insertion in model container [2018-12-02 01:16:15,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:15" (2/3) ... [2018-12-02 01:16:15,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1928521c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:16:15, skipping insertion in model container [2018-12-02 01:16:15,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:16:15" (3/3) ... [2018-12-02 01:16:15,598 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product63_true-unreach-call_false-termination.cil.c [2018-12-02 01:16:15,604 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 01:16:15,608 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 01:16:15,617 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 01:16:15,635 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 01:16:15,635 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 01:16:15,636 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 01:16:15,636 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 01:16:15,636 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 01:16:15,636 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 01:16:15,636 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 01:16:15,636 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 01:16:15,636 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 01:16:15,648 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states. [2018-12-02 01:16:15,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-02 01:16:15,653 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:16:15,654 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] [2018-12-02 01:16:15,655 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:16:15,658 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:16:15,659 INFO L82 PathProgramCache]: Analyzing trace with hash -1339530432, now seen corresponding path program 1 times [2018-12-02 01:16:15,660 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 01:16:15,660 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 01:16:15,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:16:15,687 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:16:15,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:16:15,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:16:15,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:16:15,802 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:16:15,803 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 01:16:15,805 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 01:16:15,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 01:16:15,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 01:16:15,814 INFO L87 Difference]: Start difference. First operand 174 states. Second operand 2 states. [2018-12-02 01:16:15,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:16:15,838 INFO L93 Difference]: Finished difference Result 318 states and 399 transitions. [2018-12-02 01:16:15,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 01:16:15,839 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-02 01:16:15,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:16:15,846 INFO L225 Difference]: With dead ends: 318 [2018-12-02 01:16:15,846 INFO L226 Difference]: Without dead ends: 161 [2018-12-02 01:16:15,849 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 [2018-12-02 01:16:15,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-12-02 01:16:15,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2018-12-02 01:16:15,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-12-02 01:16:15,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 193 transitions. [2018-12-02 01:16:15,880 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 193 transitions. Word has length 51 [2018-12-02 01:16:15,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:16:15,881 INFO L480 AbstractCegarLoop]: Abstraction has 161 states and 193 transitions. [2018-12-02 01:16:15,881 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 01:16:15,881 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 193 transitions. [2018-12-02 01:16:15,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 01:16:15,882 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:16:15,883 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] [2018-12-02 01:16:15,883 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:16:15,883 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:16:15,883 INFO L82 PathProgramCache]: Analyzing trace with hash -742963198, now seen corresponding path program 1 times [2018-12-02 01:16:15,883 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 01:16:15,883 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 01:16:15,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:16:15,884 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:16:15,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:16:15,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:16:15,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:16:15,938 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:16:15,938 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 01:16:15,939 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 01:16:15,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 01:16:15,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 01:16:15,940 INFO L87 Difference]: Start difference. First operand 161 states and 193 transitions. Second operand 3 states. [2018-12-02 01:16:15,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:16:15,954 INFO L93 Difference]: Finished difference Result 261 states and 313 transitions. [2018-12-02 01:16:15,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 01:16:15,954 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-02 01:16:15,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:16:15,956 INFO L225 Difference]: With dead ends: 261 [2018-12-02 01:16:15,956 INFO L226 Difference]: Without dead ends: 152 [2018-12-02 01:16:15,957 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 [2018-12-02 01:16:15,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-12-02 01:16:15,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2018-12-02 01:16:15,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-12-02 01:16:15,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 181 transitions. [2018-12-02 01:16:15,965 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 181 transitions. Word has length 52 [2018-12-02 01:16:15,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:16:15,966 INFO L480 AbstractCegarLoop]: Abstraction has 152 states and 181 transitions. [2018-12-02 01:16:15,966 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 01:16:15,966 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 181 transitions. [2018-12-02 01:16:15,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-02 01:16:15,967 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:16:15,967 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] [2018-12-02 01:16:15,967 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:16:15,967 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:16:15,967 INFO L82 PathProgramCache]: Analyzing trace with hash 366540083, now seen corresponding path program 1 times [2018-12-02 01:16:15,967 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 01:16:15,967 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 01:16:15,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:16:15,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:16:15,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:16:15,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:16:16,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:16:16,037 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:16:16,038 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 01:16:16,038 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 01:16:16,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 01:16:16,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 01:16:16,038 INFO L87 Difference]: Start difference. First operand 152 states and 181 transitions. Second operand 7 states. [2018-12-02 01:16:16,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:16:16,285 INFO L93 Difference]: Finished difference Result 451 states and 555 transitions. [2018-12-02 01:16:16,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 01:16:16,286 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-12-02 01:16:16,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:16:16,288 INFO L225 Difference]: With dead ends: 451 [2018-12-02 01:16:16,288 INFO L226 Difference]: Without dead ends: 327 [2018-12-02 01:16:16,289 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 01:16:16,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2018-12-02 01:16:16,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 319. [2018-12-02 01:16:16,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2018-12-02 01:16:16,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 392 transitions. [2018-12-02 01:16:16,312 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 392 transitions. Word has length 56 [2018-12-02 01:16:16,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:16:16,312 INFO L480 AbstractCegarLoop]: Abstraction has 319 states and 392 transitions. [2018-12-02 01:16:16,312 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 01:16:16,312 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 392 transitions. [2018-12-02 01:16:16,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-02 01:16:16,314 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:16:16,314 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] [2018-12-02 01:16:16,314 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:16:16,314 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:16:16,314 INFO L82 PathProgramCache]: Analyzing trace with hash -261648771, now seen corresponding path program 1 times [2018-12-02 01:16:16,314 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 01:16:16,314 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 01:16:16,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:16:16,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:16:16,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:16:16,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:16:16,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:16:16,367 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:16:16,368 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 01:16:16,368 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 01:16:16,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 01:16:16,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 01:16:16,368 INFO L87 Difference]: Start difference. First operand 319 states and 392 transitions. Second operand 6 states. [2018-12-02 01:16:16,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:16:16,513 INFO L93 Difference]: Finished difference Result 883 states and 1110 transitions. [2018-12-02 01:16:16,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 01:16:16,514 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-12-02 01:16:16,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:16:16,518 INFO L225 Difference]: With dead ends: 883 [2018-12-02 01:16:16,518 INFO L226 Difference]: Without dead ends: 592 [2018-12-02 01:16:16,520 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 01:16:16,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2018-12-02 01:16:16,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 586. [2018-12-02 01:16:16,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2018-12-02 01:16:16,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 724 transitions. [2018-12-02 01:16:16,555 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 724 transitions. Word has length 62 [2018-12-02 01:16:16,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:16:16,555 INFO L480 AbstractCegarLoop]: Abstraction has 586 states and 724 transitions. [2018-12-02 01:16:16,555 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 01:16:16,555 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 724 transitions. [2018-12-02 01:16:16,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-02 01:16:16,558 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:16:16,558 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] [2018-12-02 01:16:16,558 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:16:16,559 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:16:16,559 INFO L82 PathProgramCache]: Analyzing trace with hash -1938174951, now seen corresponding path program 1 times [2018-12-02 01:16:16,559 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 01:16:16,559 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 01:16:16,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:16:16,560 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:16:16,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:16:16,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:16:16,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:16:16,629 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:16:16,629 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 01:16:16,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 01:16:16,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 01:16:16,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 01:16:16,630 INFO L87 Difference]: Start difference. First operand 586 states and 724 transitions. Second operand 7 states. [2018-12-02 01:16:17,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:16:17,115 INFO L93 Difference]: Finished difference Result 1521 states and 1998 transitions. [2018-12-02 01:16:17,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 01:16:17,116 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-12-02 01:16:17,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:16:17,119 INFO L225 Difference]: With dead ends: 1521 [2018-12-02 01:16:17,120 INFO L226 Difference]: Without dead ends: 963 [2018-12-02 01:16:17,122 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-02 01:16:17,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2018-12-02 01:16:17,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 867. [2018-12-02 01:16:17,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 867 states. [2018-12-02 01:16:17,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1055 transitions. [2018-12-02 01:16:17,168 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1055 transitions. Word has length 66 [2018-12-02 01:16:17,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:16:17,168 INFO L480 AbstractCegarLoop]: Abstraction has 867 states and 1055 transitions. [2018-12-02 01:16:17,169 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 01:16:17,169 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1055 transitions. [2018-12-02 01:16:17,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-02 01:16:17,170 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:16:17,170 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] [2018-12-02 01:16:17,170 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:16:17,171 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:16:17,171 INFO L82 PathProgramCache]: Analyzing trace with hash 1191924210, now seen corresponding path program 1 times [2018-12-02 01:16:17,171 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 01:16:17,171 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 01:16:17,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:16:17,171 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:16:17,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:16:17,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:16:17,224 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 01:16:17,224 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:16:17,224 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 01:16:17,224 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 01:16:17,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 01:16:17,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 01:16:17,225 INFO L87 Difference]: Start difference. First operand 867 states and 1055 transitions. Second operand 6 states. [2018-12-02 01:16:17,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:16:17,262 INFO L93 Difference]: Finished difference Result 1734 states and 2186 transitions. [2018-12-02 01:16:17,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 01:16:17,262 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2018-12-02 01:16:17,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:16:17,265 INFO L225 Difference]: With dead ends: 1734 [2018-12-02 01:16:17,265 INFO L226 Difference]: Without dead ends: 895 [2018-12-02 01:16:17,267 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-02 01:16:17,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2018-12-02 01:16:17,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 887. [2018-12-02 01:16:17,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 887 states. [2018-12-02 01:16:17,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 887 states and 1075 transitions. [2018-12-02 01:16:17,294 INFO L78 Accepts]: Start accepts. Automaton has 887 states and 1075 transitions. Word has length 108 [2018-12-02 01:16:17,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:16:17,294 INFO L480 AbstractCegarLoop]: Abstraction has 887 states and 1075 transitions. [2018-12-02 01:16:17,295 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 01:16:17,295 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1075 transitions. [2018-12-02 01:16:17,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-02 01:16:17,296 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:16:17,296 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, 1, 1, 1, 1] [2018-12-02 01:16:17,296 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:16:17,296 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:16:17,296 INFO L82 PathProgramCache]: Analyzing trace with hash -1163881040, now seen corresponding path program 1 times [2018-12-02 01:16:17,296 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 01:16:17,296 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 01:16:17,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:16:17,297 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:16:17,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:16:17,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:16:17,361 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 01:16:17,361 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:16:17,361 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 01:16:17,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 01:16:17,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 01:16:17,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 01:16:17,362 INFO L87 Difference]: Start difference. First operand 887 states and 1075 transitions. Second operand 8 states. [2018-12-02 01:16:17,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:16:17,401 INFO L93 Difference]: Finished difference Result 1774 states and 2226 transitions. [2018-12-02 01:16:17,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 01:16:17,401 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 108 [2018-12-02 01:16:17,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:16:17,404 INFO L225 Difference]: With dead ends: 1774 [2018-12-02 01:16:17,404 INFO L226 Difference]: Without dead ends: 915 [2018-12-02 01:16:17,406 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 01:16:17,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 915 states. [2018-12-02 01:16:17,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 915 to 903. [2018-12-02 01:16:17,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 903 states. [2018-12-02 01:16:17,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 903 states and 1091 transitions. [2018-12-02 01:16:17,432 INFO L78 Accepts]: Start accepts. Automaton has 903 states and 1091 transitions. Word has length 108 [2018-12-02 01:16:17,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:16:17,433 INFO L480 AbstractCegarLoop]: Abstraction has 903 states and 1091 transitions. [2018-12-02 01:16:17,433 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 01:16:17,433 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1091 transitions. [2018-12-02 01:16:17,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-02 01:16:17,434 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:16:17,434 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] [2018-12-02 01:16:17,434 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:16:17,434 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:16:17,434 INFO L82 PathProgramCache]: Analyzing trace with hash -394711025, now seen corresponding path program 1 times [2018-12-02 01:16:17,434 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 01:16:17,435 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 01:16:17,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:16:17,435 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:16:17,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:16:17,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:16:17,477 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 01:16:17,477 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:16:17,477 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 01:16:17,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 01:16:17,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 01:16:17,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 01:16:17,478 INFO L87 Difference]: Start difference. First operand 903 states and 1091 transitions. Second operand 4 states. [2018-12-02 01:16:17,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:16:17,668 INFO L93 Difference]: Finished difference Result 2845 states and 3606 transitions. [2018-12-02 01:16:17,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 01:16:17,668 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 108 [2018-12-02 01:16:17,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:16:17,676 INFO L225 Difference]: With dead ends: 2845 [2018-12-02 01:16:17,676 INFO L226 Difference]: Without dead ends: 1970 [2018-12-02 01:16:17,679 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 01:16:17,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1970 states. [2018-12-02 01:16:17,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1970 to 1939. [2018-12-02 01:16:17,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1939 states. [2018-12-02 01:16:17,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1939 states to 1939 states and 2407 transitions. [2018-12-02 01:16:17,749 INFO L78 Accepts]: Start accepts. Automaton has 1939 states and 2407 transitions. Word has length 108 [2018-12-02 01:16:17,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:16:17,750 INFO L480 AbstractCegarLoop]: Abstraction has 1939 states and 2407 transitions. [2018-12-02 01:16:17,750 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 01:16:17,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1939 states and 2407 transitions. [2018-12-02 01:16:17,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-02 01:16:17,752 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:16:17,752 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, 1, 1, 1, 1] [2018-12-02 01:16:17,752 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:16:17,752 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:16:17,752 INFO L82 PathProgramCache]: Analyzing trace with hash -59689655, now seen corresponding path program 1 times [2018-12-02 01:16:17,752 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 01:16:17,752 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 01:16:17,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:16:17,753 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:16:17,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:16:17,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:16:17,840 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 01:16:17,840 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:16:17,840 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e9fd053-30c4-4d56-82bc-d3d29976726b/bin-2019/uautomizer/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 [2018-12-02 01:16:17,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:16:17,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:16:17,945 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 01:16:18,065 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:16:18,089 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 01:16:18,089 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-02 01:16:18,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-02 01:16:18,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-02 01:16:18,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-02 01:16:18,090 INFO L87 Difference]: Start difference. First operand 1939 states and 2407 transitions. Second operand 19 states. [2018-12-02 01:16:18,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:16:18,834 INFO L93 Difference]: Finished difference Result 3816 states and 4796 transitions. [2018-12-02 01:16:18,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-02 01:16:18,834 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 112 [2018-12-02 01:16:18,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:16:18,841 INFO L225 Difference]: With dead ends: 3816 [2018-12-02 01:16:18,841 INFO L226 Difference]: Without dead ends: 1905 [2018-12-02 01:16:18,846 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 107 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-12-02 01:16:18,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1905 states. [2018-12-02 01:16:18,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1905 to 1905. [2018-12-02 01:16:18,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1905 states. [2018-12-02 01:16:18,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1905 states to 1905 states and 2315 transitions. [2018-12-02 01:16:18,922 INFO L78 Accepts]: Start accepts. Automaton has 1905 states and 2315 transitions. Word has length 112 [2018-12-02 01:16:18,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:16:18,922 INFO L480 AbstractCegarLoop]: Abstraction has 1905 states and 2315 transitions. [2018-12-02 01:16:18,923 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-02 01:16:18,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1905 states and 2315 transitions. [2018-12-02 01:16:18,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-02 01:16:18,926 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:16:18,927 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:16:18,927 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:16:18,927 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:16:18,927 INFO L82 PathProgramCache]: Analyzing trace with hash -1570286236, now seen corresponding path program 1 times [2018-12-02 01:16:18,927 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 01:16:18,927 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 01:16:18,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:16:18,928 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:16:18,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:16:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:16:18,992 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 01:16:18,993 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:16:18,993 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e9fd053-30c4-4d56-82bc-d3d29976726b/bin-2019/uautomizer/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 [2018-12-02 01:16:19,001 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:16:19,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:16:19,086 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 01:16:19,126 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 01:16:19,142 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 01:16:19,142 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2018-12-02 01:16:19,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 01:16:19,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 01:16:19,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-12-02 01:16:19,143 INFO L87 Difference]: Start difference. First operand 1905 states and 2315 transitions. Second operand 7 states. [2018-12-02 01:16:19,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:16:19,762 INFO L93 Difference]: Finished difference Result 4363 states and 5644 transitions. [2018-12-02 01:16:19,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 01:16:19,762 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 181 [2018-12-02 01:16:19,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:16:19,773 INFO L225 Difference]: With dead ends: 4363 [2018-12-02 01:16:19,773 INFO L226 Difference]: Without dead ends: 2822 [2018-12-02 01:16:19,777 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-12-02 01:16:19,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2822 states. [2018-12-02 01:16:19,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2822 to 2511. [2018-12-02 01:16:19,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2511 states. [2018-12-02 01:16:19,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2511 states to 2511 states and 3027 transitions. [2018-12-02 01:16:19,910 INFO L78 Accepts]: Start accepts. Automaton has 2511 states and 3027 transitions. Word has length 181 [2018-12-02 01:16:19,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:16:19,911 INFO L480 AbstractCegarLoop]: Abstraction has 2511 states and 3027 transitions. [2018-12-02 01:16:19,911 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 01:16:19,911 INFO L276 IsEmpty]: Start isEmpty. Operand 2511 states and 3027 transitions. [2018-12-02 01:16:19,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-02 01:16:19,917 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:16:19,917 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:16:19,917 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:16:19,917 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:16:19,918 INFO L82 PathProgramCache]: Analyzing trace with hash -1152889630, now seen corresponding path program 1 times [2018-12-02 01:16:19,918 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 01:16:19,918 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 01:16:19,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:16:19,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:16:19,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:16:19,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:16:20,045 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-02 01:16:20,045 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:16:20,045 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e9fd053-30c4-4d56-82bc-d3d29976726b/bin-2019/uautomizer/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 [2018-12-02 01:16:20,053 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:16:20,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:16:20,142 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 01:16:20,233 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 01:16:20,259 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 01:16:20,259 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-02 01:16:20,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-02 01:16:20,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-02 01:16:20,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-02 01:16:20,260 INFO L87 Difference]: Start difference. First operand 2511 states and 3027 transitions. Second operand 19 states. [2018-12-02 01:16:20,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:16:20,917 INFO L93 Difference]: Finished difference Result 4407 states and 5391 transitions. [2018-12-02 01:16:20,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-02 01:16:20,917 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 181 [2018-12-02 01:16:20,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:16:20,918 INFO L225 Difference]: With dead ends: 4407 [2018-12-02 01:16:20,918 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 01:16:20,923 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 178 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-12-02 01:16:20,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 01:16:20,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 01:16:20,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 01:16:20,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 01:16:20,924 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 181 [2018-12-02 01:16:20,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:16:20,924 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 01:16:20,924 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-02 01:16:20,924 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 01:16:20,924 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 01:16:20,927 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 01:16:21,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,447 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,447 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,450 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,450 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:21,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:16:22,376 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 27 [2018-12-02 01:16:22,821 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 28 [2018-12-02 01:16:23,818 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 24 [2018-12-02 01:16:23,820 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 647 653) the Hoare annotation is: true [2018-12-02 01:16:23,820 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 647 653) no Hoare annotation was computed. [2018-12-02 01:16:23,820 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 654 662) no Hoare annotation was computed. [2018-12-02 01:16:23,820 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 654 662) the Hoare annotation is: true [2018-12-02 01:16:23,820 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 654 662) no Hoare annotation was computed. [2018-12-02 01:16:23,820 INFO L444 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:16:23,820 INFO L444 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:16:23,820 INFO L444 ceAbstractionStarter]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:16:23,820 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:16:23,821 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2018-12-02 01:16:23,821 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2018-12-02 01:16:23,821 INFO L444 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:16:23,821 INFO L444 ceAbstractionStarter]: At program point L134-1(line 134) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:16:23,821 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2018-12-02 01:16:23,821 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2018-12-02 01:16:23,821 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-02 01:16:23,821 INFO L444 ceAbstractionStarter]: At program point L449(line 449) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-02 01:16:23,821 INFO L444 ceAbstractionStarter]: At program point L445(line 445) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-02 01:16:23,821 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 451) no Hoare annotation was computed. [2018-12-02 01:16:23,821 INFO L444 ceAbstractionStarter]: At program point L441(line 441) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-02 01:16:23,821 INFO L448 ceAbstractionStarter]: For program point L441-1(line 441) no Hoare annotation was computed. [2018-12-02 01:16:23,821 INFO L448 ceAbstractionStarter]: For program point L439(lines 439 456) no Hoare annotation was computed. [2018-12-02 01:16:23,821 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 435 459) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-12-02 01:16:23,821 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 435 459) no Hoare annotation was computed. [2018-12-02 01:16:23,821 INFO L444 ceAbstractionStarter]: At program point L454(line 454) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 (and (= 0 ~pumpRunning~0) .cse1) (not (= ~methaneLevelCritical~0 0))))) [2018-12-02 01:16:23,821 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 435 459) no Hoare annotation was computed. [2018-12-02 01:16:23,821 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 613 627) no Hoare annotation was computed. [2018-12-02 01:16:23,821 INFO L444 ceAbstractionStarter]: At program point L619(line 619) the Hoare annotation is: (let ((.cse2 (= |old(~systemActive~0)| 0)) (.cse3 (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= |old(~systemActive~0)| 1))) (.cse5 (= ~systemActive~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1) (or .cse0 .cse2 .cse3) (or .cse2 .cse4 .cse3) (or .cse0 .cse5 .cse6) (or .cse6 .cse5 .cse4) (or .cse1 .cse4))) [2018-12-02 01:16:23,822 INFO L448 ceAbstractionStarter]: For program point L617(lines 617 623) no Hoare annotation was computed. [2018-12-02 01:16:23,822 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 613 627) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= |old(~systemActive~0)| 0)) (.cse5 (and (not (= ~systemActive~0 0)) .cse0)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (= |old(~systemActive~0)| 1))) (.cse6 (= ~systemActive~0 1)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse3 .cse0 .cse1) (or .cse4 .cse2 .cse5) (or .cse3 .cse6 .cse7) (or .cse7 .cse6 .cse2)))) [2018-12-02 01:16:23,822 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 613 627) no Hoare annotation was computed. [2018-12-02 01:16:23,822 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 530 538) no Hoare annotation was computed. [2018-12-02 01:16:23,822 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 530 538) the Hoare annotation is: true [2018-12-02 01:16:23,822 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 530 538) no Hoare annotation was computed. [2018-12-02 01:16:23,822 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 607) no Hoare annotation was computed. [2018-12-02 01:16:23,822 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 594 612) the Hoare annotation is: true [2018-12-02 01:16:23,822 INFO L451 ceAbstractionStarter]: At program point L601(line 601) the Hoare annotation is: true [2018-12-02 01:16:23,822 INFO L448 ceAbstractionStarter]: For program point L603-2(lines 603 607) no Hoare annotation was computed. [2018-12-02 01:16:23,822 INFO L448 ceAbstractionStarter]: For program point L601-1(line 601) no Hoare annotation was computed. [2018-12-02 01:16:23,822 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 594 612) no Hoare annotation was computed. [2018-12-02 01:16:23,822 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 594 612) no Hoare annotation was computed. [2018-12-02 01:16:23,822 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 640 646) no Hoare annotation was computed. [2018-12-02 01:16:23,822 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 640 646) the Hoare annotation is: true [2018-12-02 01:16:23,822 INFO L444 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:16:23,822 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:16:23,822 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2018-12-02 01:16:23,822 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2018-12-02 01:16:23,822 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 519 529) the Hoare annotation is: true [2018-12-02 01:16:23,822 INFO L451 ceAbstractionStarter]: At program point L524(line 524) the Hoare annotation is: true [2018-12-02 01:16:23,822 INFO L448 ceAbstractionStarter]: For program point L524-1(line 524) no Hoare annotation was computed. [2018-12-02 01:16:23,823 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 519 529) no Hoare annotation was computed. [2018-12-02 01:16:23,823 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 519 529) no Hoare annotation was computed. [2018-12-02 01:16:23,823 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 511 518) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-02 01:16:23,823 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 511 518) no Hoare annotation was computed. [2018-12-02 01:16:23,823 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 511 518) no Hoare annotation was computed. [2018-12-02 01:16:23,823 INFO L444 ceAbstractionStarter]: At program point L480(line 480) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-02 01:16:23,823 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 461 485) no Hoare annotation was computed. [2018-12-02 01:16:23,823 INFO L444 ceAbstractionStarter]: At program point L475(line 475) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= processEnvironment_~tmp~5 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0))) [2018-12-02 01:16:23,823 INFO L444 ceAbstractionStarter]: At program point L471(line 471) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= ~systemActive~0 0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse1 (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (and (= processEnvironment_~tmp~5 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1 .cse0))) [2018-12-02 01:16:23,823 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 461 485) no Hoare annotation was computed. [2018-12-02 01:16:23,823 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 477) no Hoare annotation was computed. [2018-12-02 01:16:23,823 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 461 485) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-02 01:16:23,823 INFO L444 ceAbstractionStarter]: At program point L467(line 467) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse3) (or .cse4 .cse0 .cse1))) [2018-12-02 01:16:23,823 INFO L448 ceAbstractionStarter]: For program point L467-1(line 467) no Hoare annotation was computed. [2018-12-02 01:16:23,823 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 482) no Hoare annotation was computed. [2018-12-02 01:16:23,823 INFO L448 ceAbstractionStarter]: For program point L284(lines 284 290) no Hoare annotation was computed. [2018-12-02 01:16:23,823 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 280 293) no Hoare annotation was computed. [2018-12-02 01:16:23,823 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 280 293) the Hoare annotation is: true [2018-12-02 01:16:23,823 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 280 293) no Hoare annotation was computed. [2018-12-02 01:16:23,823 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 401 407) no Hoare annotation was computed. [2018-12-02 01:16:23,824 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 401 407) the Hoare annotation is: true [2018-12-02 01:16:23,824 INFO L444 ceAbstractionStarter]: At program point L353(line 353) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 1)) (.cse0 (not (= ~systemActive~0 0))) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse1 .cse2) (and .cse4 .cse0 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse3 .cse2))) [2018-12-02 01:16:23,824 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 305 370) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:16:23,824 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 357) no Hoare annotation was computed. [2018-12-02 01:16:23,824 INFO L444 ceAbstractionStarter]: At program point L351-1(lines 345 358) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (not (= ~systemActive~0 0))) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse2) (and .cse4 .cse1 .cse2) (and .cse3 .cse0 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 01:16:23,824 INFO L448 ceAbstractionStarter]: For program point L316(lines 315 362) no Hoare annotation was computed. [2018-12-02 01:16:23,824 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 358) no Hoare annotation was computed. [2018-12-02 01:16:23,824 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 305 370) no Hoare annotation was computed. [2018-12-02 01:16:23,824 INFO L444 ceAbstractionStarter]: At program point L337(line 337) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~methaneLevelCritical~0 1) .cse1) (and .cse2 (not (= ~systemActive~0 0)) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse2 .cse0 .cse1))) [2018-12-02 01:16:23,824 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 341) no Hoare annotation was computed. [2018-12-02 01:16:23,824 INFO L448 ceAbstractionStarter]: For program point L335-1(lines 335 341) no Hoare annotation was computed. [2018-12-02 01:16:23,824 INFO L444 ceAbstractionStarter]: At program point L360(lines 315 362) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~methaneLevelCritical~0 1) .cse1) (and .cse2 (not (= ~systemActive~0 0)) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse2 .cse0 .cse1))) [2018-12-02 01:16:23,824 INFO L444 ceAbstractionStarter]: At program point L327(line 327) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse1 (= ~methaneLevelCritical~0 1) .cse2) (and .cse0 (not (= ~systemActive~0 0)) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 01:16:23,824 INFO L448 ceAbstractionStarter]: For program point L325(lines 325 331) no Hoare annotation was computed. [2018-12-02 01:16:23,824 INFO L448 ceAbstractionStarter]: For program point L325-1(lines 325 331) no Hoare annotation was computed. [2018-12-02 01:16:23,824 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 321) no Hoare annotation was computed. [2018-12-02 01:16:23,824 INFO L444 ceAbstractionStarter]: At program point L363(lines 314 364) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:16:23,824 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 305 370) no Hoare annotation was computed. [2018-12-02 01:16:23,824 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 486 493) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~systemActive~0 0) (< ~waterLevel~0 2) (not (= ~methaneLevelCritical~0 0))) [2018-12-02 01:16:23,825 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 486 493) no Hoare annotation was computed. [2018-12-02 01:16:23,825 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 486 493) no Hoare annotation was computed. [2018-12-02 01:16:23,825 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 294 302) no Hoare annotation was computed. [2018-12-02 01:16:23,825 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 294 302) the Hoare annotation is: true [2018-12-02 01:16:23,825 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 294 302) no Hoare annotation was computed. [2018-12-02 01:16:23,825 INFO L444 ceAbstractionStarter]: At program point L181(line 181) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= ~methaneLevelCritical~0 1)) .cse1) (or .cse1 .cse0))) [2018-12-02 01:16:23,825 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 185) no Hoare annotation was computed. [2018-12-02 01:16:23,825 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 188) no Hoare annotation was computed. [2018-12-02 01:16:23,825 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 166 194) the Hoare annotation is: true [2018-12-02 01:16:23,825 INFO L444 ceAbstractionStarter]: At program point L176(line 176) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0))) [2018-12-02 01:16:23,825 INFO L448 ceAbstractionStarter]: For program point L176-1(line 176) no Hoare annotation was computed. [2018-12-02 01:16:23,825 INFO L448 ceAbstractionStarter]: For program point L174(lines 174 191) no Hoare annotation was computed. [2018-12-02 01:16:23,825 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 166 194) no Hoare annotation was computed. [2018-12-02 01:16:23,825 INFO L451 ceAbstractionStarter]: At program point L172(line 172) the Hoare annotation is: true [2018-12-02 01:16:23,825 INFO L448 ceAbstractionStarter]: For program point L172-1(line 172) no Hoare annotation was computed. [2018-12-02 01:16:23,825 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 166 194) no Hoare annotation was computed. [2018-12-02 01:16:23,825 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 158 165) the Hoare annotation is: true [2018-12-02 01:16:23,825 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 158 165) no Hoare annotation was computed. [2018-12-02 01:16:23,825 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 158 165) no Hoare annotation was computed. [2018-12-02 01:16:23,825 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 01:16:23,825 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)) [2018-12-02 01:16:23,825 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 01:16:23,825 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 494 510) no Hoare annotation was computed. [2018-12-02 01:16:23,826 INFO L444 ceAbstractionStarter]: At program point L505(line 505) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (and (= activatePump_~tmp~6 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))))) [2018-12-02 01:16:23,826 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 494 510) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-02 01:16:23,826 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 494 510) no Hoare annotation was computed. [2018-12-02 01:16:23,826 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 507) no Hoare annotation was computed. [2018-12-02 01:16:23,826 INFO L444 ceAbstractionStarter]: At program point L499(line 499) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-02 01:16:23,826 INFO L448 ceAbstractionStarter]: For program point L499-1(line 499) no Hoare annotation was computed. [2018-12-02 01:16:23,826 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 575 593) no Hoare annotation was computed. [2018-12-02 01:16:23,826 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 588) no Hoare annotation was computed. [2018-12-02 01:16:23,826 INFO L451 ceAbstractionStarter]: At program point L582(line 582) the Hoare annotation is: true [2018-12-02 01:16:23,826 INFO L448 ceAbstractionStarter]: For program point L584-2(lines 584 588) no Hoare annotation was computed. [2018-12-02 01:16:23,826 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 575 593) the Hoare annotation is: true [2018-12-02 01:16:23,826 INFO L448 ceAbstractionStarter]: For program point L582-1(line 582) no Hoare annotation was computed. [2018-12-02 01:16:23,826 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 575 593) no Hoare annotation was computed. [2018-12-02 01:16:23,826 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 227 238) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or (= ~systemActive~0 0) .cse0 .cse1) (or .cse2 .cse1 .cse0) (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse2 (= ~methaneLevelCritical~0 1)))) [2018-12-02 01:16:23,826 INFO L448 ceAbstractionStarter]: For program point L231-1(lines 227 238) no Hoare annotation was computed. [2018-12-02 01:16:23,826 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 227 238) no Hoare annotation was computed. [2018-12-02 01:16:23,826 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 239 247) the Hoare annotation is: true [2018-12-02 01:16:23,826 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 239 247) no Hoare annotation was computed. [2018-12-02 01:16:23,826 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 239 247) no Hoare annotation was computed. [2018-12-02 01:16:23,826 INFO L444 ceAbstractionStarter]: At program point L383(line 383) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= ~systemActive~0 0)) (.cse3 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1) (or .cse0 .cse2 .cse3) (or .cse2 .cse3 .cse4) (or .cse1 .cse4))) [2018-12-02 01:16:23,826 INFO L448 ceAbstractionStarter]: For program point L381(lines 380 399) no Hoare annotation was computed. [2018-12-02 01:16:23,827 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 377 400) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse2) (or .cse0 .cse4 .cse2) (or .cse4 .cse2 .cse3))) [2018-12-02 01:16:23,827 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 377 400) no Hoare annotation was computed. [2018-12-02 01:16:23,827 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 377 400) no Hoare annotation was computed. [2018-12-02 01:16:23,827 INFO L444 ceAbstractionStarter]: At program point L390(line 390) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 0))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (and (not .cse4) (= ~waterLevel~0 |old(~waterLevel~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse5 .cse4 .cse3) (or .cse5 .cse0 .cse1)))) [2018-12-02 01:16:23,827 INFO L444 ceAbstractionStarter]: At program point L388(lines 388 394) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and .cse1 .cse6)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= ~systemActive~0 0)) (.cse7 (= 0 ~pumpRunning~0))) (and (or (and (not .cse0) .cse1) .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse3) (or .cse6 .cse0 (<= 2 ~waterLevel~0) .cse4 .cse7) (or .cse5 .cse0 .cse7)))) [2018-12-02 01:16:23,827 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-12-02 01:16:23,827 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-12-02 01:16:23,827 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-12-02 01:16:23,827 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-12-02 01:16:23,827 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-12-02 01:16:23,827 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-12-02 01:16:23,827 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-12-02 01:16:23,827 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-12-02 01:16:23,827 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-12-02 01:16:23,827 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-12-02 01:16:23,827 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 203 214) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (= ~systemActive~0 0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0))) [2018-12-02 01:16:23,827 INFO L448 ceAbstractionStarter]: For program point L207-1(lines 203 214) no Hoare annotation was computed. [2018-12-02 01:16:23,827 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 203 214) no Hoare annotation was computed. [2018-12-02 01:16:23,827 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-12-02 01:16:23,827 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-12-02 01:16:23,827 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 01:16:23,827 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)) [2018-12-02 01:16:23,828 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 01:16:23,828 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 01:16:23,828 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 425) no Hoare annotation was computed. [2018-12-02 01:16:23,828 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 409 433) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-12-02 01:16:23,828 INFO L444 ceAbstractionStarter]: At program point L415(line 415) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 (and (= 0 ~pumpRunning~0) .cse1) (not (= ~methaneLevelCritical~0 0))))) [2018-12-02 01:16:23,828 INFO L448 ceAbstractionStarter]: For program point L415-1(line 415) no Hoare annotation was computed. [2018-12-02 01:16:23,828 INFO L448 ceAbstractionStarter]: For program point L413(lines 413 430) no Hoare annotation was computed. [2018-12-02 01:16:23,828 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 409 433) no Hoare annotation was computed. [2018-12-02 01:16:23,828 INFO L444 ceAbstractionStarter]: At program point L428(line 428) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-02 01:16:23,828 INFO L448 ceAbstractionStarter]: For program point L428-1(lines 409 433) no Hoare annotation was computed. [2018-12-02 01:16:23,828 INFO L444 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~3)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (and (= 0 ~pumpRunning~0) .cse1 .cse2) (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (and .cse1 .cse2)))) [2018-12-02 01:16:23,828 INFO L444 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: (let ((.cse5 (< 0 ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~waterLevel~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (= ~systemActive~0 0)) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (and .cse1 .cse2) .cse3 .cse4) (or .cse5 .cse4 .cse6) (or .cse5 .cse0 .cse3 .cse4) (or (and (= 0 ~pumpRunning~0) .cse1 .cse2) .cse4 .cse6))) [2018-12-02 01:16:23,828 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 215 226) no Hoare annotation was computed. [2018-12-02 01:16:23,828 INFO L448 ceAbstractionStarter]: For program point L219-1(lines 215 226) no Hoare annotation was computed. [2018-12-02 01:16:23,828 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 215 226) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or (= ~systemActive~0 0) .cse2 .cse0) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-02 01:16:23,828 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 150) no Hoare annotation was computed. [2018-12-02 01:16:23,828 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 146 153) no Hoare annotation was computed. [2018-12-02 01:16:23,828 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 146 153) the Hoare annotation is: true [2018-12-02 01:16:23,829 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 146 153) no Hoare annotation was computed. [2018-12-02 01:16:23,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:16:23 BoogieIcfgContainer [2018-12-02 01:16:23,836 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 01:16:23,836 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 01:16:23,836 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 01:16:23,836 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 01:16:23,837 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:16:15" (3/4) ... [2018-12-02 01:16:23,839 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 01:16:23,843 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 01:16:23,843 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 01:16:23,843 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 01:16:23,843 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-02 01:16:23,843 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-02 01:16:23,843 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 01:16:23,843 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-02 01:16:23,843 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 01:16:23,844 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 01:16:23,844 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-02 01:16:23,844 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 01:16:23,844 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 01:16:23,844 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-02 01:16:23,844 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 01:16:23,844 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 01:16:23,844 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-02 01:16:23,844 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-02 01:16:23,844 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-02 01:16:23,844 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-02 01:16:23,844 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 01:16:23,844 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-02 01:16:23,844 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-02 01:16:23,844 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 01:16:23,844 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 01:16:23,844 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 01:16:23,844 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 01:16:23,844 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 01:16:23,844 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 01:16:23,845 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 01:16:23,845 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 01:16:23,845 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 01:16:23,849 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-12-02 01:16:23,849 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-02 01:16:23,850 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 01:16:23,850 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 01:16:23,850 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 01:16:23,850 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 01:16:23,867 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) [2018-12-02 01:16:23,867 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 01:16:23,889 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4e9fd053-30c4-4d56-82bc-d3d29976726b/bin-2019/uautomizer/witness.graphml [2018-12-02 01:16:23,890 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 01:16:23,890 INFO L168 Benchmark]: Toolchain (without parser) took 9032.32 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 523.2 MB). Free memory was 951.7 MB in the beginning and 1.5 GB in the end (delta: -517.9 MB). Peak memory consumption was 5.3 MB. Max. memory is 11.5 GB. [2018-12-02 01:16:23,890 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 01:16:23,890 INFO L168 Benchmark]: CACSL2BoogieTranslator took 317.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -148.2 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2018-12-02 01:16:23,891 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.29 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: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. [2018-12-02 01:16:23,891 INFO L168 Benchmark]: Boogie Preprocessor took 30.06 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. [2018-12-02 01:16:23,891 INFO L168 Benchmark]: RCFGBuilder took 360.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.0 MB). Peak memory consumption was 54.0 MB. Max. memory is 11.5 GB. [2018-12-02 01:16:23,891 INFO L168 Benchmark]: TraceAbstraction took 8241.43 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 409.5 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -442.9 MB). Peak memory consumption was 560.4 MB. Max. memory is 11.5 GB. [2018-12-02 01:16:23,891 INFO L168 Benchmark]: Witness Printer took 53.49 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. [2018-12-02 01:16:23,892 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 317.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -148.2 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.29 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: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.06 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 360.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.0 MB). Peak memory consumption was 54.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8241.43 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 409.5 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -442.9 MB). Peak memory consumption was 560.4 MB. Max. memory is 11.5 GB. * Witness Printer took 53.49 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 150]: 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: 314]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: (((((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 174 locations, 1 error locations. SAFE Result, 8.1s OverallTime, 11 OverallIterations, 4 TraceHistogramMax, 3.2s AutomataDifference, 0.0s DeadEndRemovalTime, 2.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 2503 SDtfs, 1982 SDslu, 9107 SDs, 0 SdLazy, 4133 SolverSat, 535 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 611 GetRequests, 501 SyntacticMatches, 3 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 308 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2511occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 472 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 73 LocationsWithAnnotation, 5139 PreInvPairs, 5497 NumberOfFragments, 1833 HoareAnnotationTreeSize, 5139 FomulaSimplifications, 11141 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 73 FomulaSimplificationsInter, 28206 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1559 NumberOfCodeBlocks, 1559 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1545 ConstructedInterpolants, 0 QuantifiedInterpolants, 313295 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2714 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 213/223 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...