./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product58_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_e166a94f-0ed7-471b-9f21-e5d33dd6eaf4/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e166a94f-0ed7-471b-9f21-e5d33dd6eaf4/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e166a94f-0ed7-471b-9f21-e5d33dd6eaf4/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e166a94f-0ed7-471b-9f21-e5d33dd6eaf4/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product58_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e166a94f-0ed7-471b-9f21-e5d33dd6eaf4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e166a94f-0ed7-471b-9f21-e5d33dd6eaf4/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f0abcca86e101e0402ce9c7a98a1409292a39ee1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 01:22:02,217 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 01:22:02,218 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 01:22:02,226 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 01:22:02,226 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 01:22:02,227 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 01:22:02,228 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 01:22:02,229 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 01:22:02,230 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 01:22:02,230 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 01:22:02,231 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 01:22:02,231 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 01:22:02,232 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 01:22:02,232 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 01:22:02,233 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 01:22:02,233 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 01:22:02,234 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 01:22:02,235 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 01:22:02,236 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 01:22:02,237 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 01:22:02,237 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 01:22:02,238 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 01:22:02,239 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 01:22:02,239 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 01:22:02,239 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 01:22:02,239 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 01:22:02,240 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 01:22:02,240 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 01:22:02,240 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 01:22:02,241 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 01:22:02,241 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 01:22:02,241 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 01:22:02,242 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 01:22:02,242 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 01:22:02,242 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 01:22:02,242 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 01:22:02,243 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e166a94f-0ed7-471b-9f21-e5d33dd6eaf4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 01:22:02,252 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 01:22:02,253 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 01:22:02,253 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 01:22:02,254 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 01:22:02,254 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 01:22:02,254 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 01:22:02,254 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 01:22:02,254 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 01:22:02,254 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 01:22:02,254 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 01:22:02,255 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 01:22:02,255 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 01:22:02,255 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 01:22:02,255 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 01:22:02,256 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 01:22:02,256 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 01:22:02,256 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 01:22:02,256 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 01:22:02,256 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 01:22:02,256 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 01:22:02,257 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 01:22:02,257 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 01:22:02,257 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 01:22:02,257 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 01:22:02,257 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 01:22:02,257 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 01:22:02,257 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 01:22:02,258 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 01:22:02,258 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 01:22:02,258 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 01:22:02,258 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 01:22:02,258 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 01:22:02,258 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 01:22:02,259 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 01:22:02,259 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 01:22:02,259 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 01:22:02,259 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_e166a94f-0ed7-471b-9f21-e5d33dd6eaf4/bin-2019/utaipan 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 -> Taipan 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 -> f0abcca86e101e0402ce9c7a98a1409292a39ee1 [2018-12-03 01:22:02,283 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 01:22:02,292 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 01:22:02,295 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 01:22:02,296 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 01:22:02,296 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 01:22:02,297 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e166a94f-0ed7-471b-9f21-e5d33dd6eaf4/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product58_true-unreach-call_false-termination.cil.c [2018-12-03 01:22:02,343 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e166a94f-0ed7-471b-9f21-e5d33dd6eaf4/bin-2019/utaipan/data/5c887b2a7/613801ea53444d448cbef4307b0c9dca/FLAGfc5b8be46 [2018-12-03 01:22:02,769 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 01:22:02,769 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e166a94f-0ed7-471b-9f21-e5d33dd6eaf4/sv-benchmarks/c/product-lines/minepump_spec3_product58_true-unreach-call_false-termination.cil.c [2018-12-03 01:22:02,775 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e166a94f-0ed7-471b-9f21-e5d33dd6eaf4/bin-2019/utaipan/data/5c887b2a7/613801ea53444d448cbef4307b0c9dca/FLAGfc5b8be46 [2018-12-03 01:22:02,784 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e166a94f-0ed7-471b-9f21-e5d33dd6eaf4/bin-2019/utaipan/data/5c887b2a7/613801ea53444d448cbef4307b0c9dca [2018-12-03 01:22:02,786 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 01:22:02,786 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 01:22:02,787 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 01:22:02,787 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 01:22:02,789 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 01:22:02,790 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:22:02" (1/1) ... [2018-12-03 01:22:02,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:22:02, skipping insertion in model container [2018-12-03 01:22:02,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:22:02" (1/1) ... [2018-12-03 01:22:02,796 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 01:22:02,816 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 01:22:02,965 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 01:22:03,010 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 01:22:03,052 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 01:22:03,067 INFO L195 MainTranslator]: Completed translation [2018-12-03 01:22:03,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:22:03 WrapperNode [2018-12-03 01:22:03,067 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 01:22:03,068 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 01:22:03,068 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 01:22:03,068 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 01:22:03,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:22:03" (1/1) ... [2018-12-03 01:22:03,082 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:22:03" (1/1) ... [2018-12-03 01:22:03,087 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 01:22:03,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 01:22:03,087 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 01:22:03,087 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 01:22:03,093 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:22:03" (1/1) ... [2018-12-03 01:22:03,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:22:03" (1/1) ... [2018-12-03 01:22:03,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:22:03" (1/1) ... [2018-12-03 01:22:03,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:22:03" (1/1) ... [2018-12-03 01:22:03,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:22:03" (1/1) ... [2018-12-03 01:22:03,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:22:03" (1/1) ... [2018-12-03 01:22:03,107 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:22:03" (1/1) ... [2018-12-03 01:22:03,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 01:22:03,109 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 01:22:03,109 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 01:22:03,110 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 01:22:03,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:22:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e166a94f-0ed7-471b-9f21-e5d33dd6eaf4/bin-2019/utaipan/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 [2018-12-03 01:22:03,143 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-03 01:22:03,143 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-03 01:22:03,143 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 01:22:03,143 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 01:22:03,144 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-03 01:22:03,144 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-03 01:22:03,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 01:22:03,144 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-03 01:22:03,144 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-03 01:22:03,144 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-03 01:22:03,144 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-03 01:22:03,144 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-03 01:22:03,144 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-03 01:22:03,145 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-03 01:22:03,145 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-03 01:22:03,145 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-03 01:22:03,145 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-03 01:22:03,145 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-03 01:22:03,145 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-03 01:22:03,145 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-03 01:22:03,145 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-03 01:22:03,145 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-03 01:22:03,145 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-03 01:22:03,145 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-03 01:22:03,145 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-03 01:22:03,145 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-03 01:22:03,146 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-03 01:22:03,146 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-03 01:22:03,146 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-03 01:22:03,146 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-03 01:22:03,146 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-03 01:22:03,146 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-03 01:22:03,146 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-03 01:22:03,146 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-03 01:22:03,146 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-03 01:22:03,146 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-03 01:22:03,146 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-03 01:22:03,147 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-03 01:22:03,147 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-03 01:22:03,147 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-03 01:22:03,147 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-03 01:22:03,147 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-03 01:22:03,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-03 01:22:03,147 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-03 01:22:03,147 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-03 01:22:03,147 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-03 01:22:03,148 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-03 01:22:03,148 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-03 01:22:03,148 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-03 01:22:03,148 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-03 01:22:03,148 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-03 01:22:03,148 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-03 01:22:03,148 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-03 01:22:03,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-03 01:22:03,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 01:22:03,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 01:22:03,149 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-03 01:22:03,149 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-03 01:22:03,149 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-03 01:22:03,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-03 01:22:03,149 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-03 01:22:03,149 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-03 01:22:03,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 01:22:03,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 01:22:03,444 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 01:22:03,445 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-03 01:22:03,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:22:03 BoogieIcfgContainer [2018-12-03 01:22:03,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 01:22:03,445 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 01:22:03,445 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 01:22:03,447 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 01:22:03,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 01:22:02" (1/3) ... [2018-12-03 01:22:03,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cb53e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 01:22:03, skipping insertion in model container [2018-12-03 01:22:03,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:22:03" (2/3) ... [2018-12-03 01:22:03,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cb53e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 01:22:03, skipping insertion in model container [2018-12-03 01:22:03,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:22:03" (3/3) ... [2018-12-03 01:22:03,449 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product58_true-unreach-call_false-termination.cil.c [2018-12-03 01:22:03,455 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 01:22:03,460 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 01:22:03,469 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 01:22:03,487 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 01:22:03,487 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 01:22:03,487 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 01:22:03,488 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 01:22:03,488 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 01:22:03,488 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 01:22:03,488 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 01:22:03,488 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 01:22:03,500 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states. [2018-12-03 01:22:03,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-03 01:22:03,505 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:22:03,505 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] [2018-12-03 01:22:03,507 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:22:03,510 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:22:03,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1271875382, now seen corresponding path program 1 times [2018-12-03 01:22:03,512 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:22:03,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:22:03,540 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:22:03,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:22:03,540 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:22:03,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:22:03,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:22:03,653 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:22:03,653 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 01:22:03,653 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:22:03,657 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-03 01:22:03,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-03 01:22:03,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 01:22:03,668 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 2 states. [2018-12-03 01:22:03,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:22:03,696 INFO L93 Difference]: Finished difference Result 300 states and 367 transitions. [2018-12-03 01:22:03,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-03 01:22:03,698 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-03 01:22:03,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:22:03,706 INFO L225 Difference]: With dead ends: 300 [2018-12-03 01:22:03,706 INFO L226 Difference]: Without dead ends: 150 [2018-12-03 01:22:03,710 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 [2018-12-03 01:22:03,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-12-03 01:22:03,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-12-03 01:22:03,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-12-03 01:22:03,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 175 transitions. [2018-12-03 01:22:03,749 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 175 transitions. Word has length 52 [2018-12-03 01:22:03,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:22:03,749 INFO L480 AbstractCegarLoop]: Abstraction has 150 states and 175 transitions. [2018-12-03 01:22:03,749 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-03 01:22:03,749 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 175 transitions. [2018-12-03 01:22:03,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-03 01:22:03,752 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:22:03,752 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] [2018-12-03 01:22:03,752 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:22:03,752 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:22:03,753 INFO L82 PathProgramCache]: Analyzing trace with hash -34531406, now seen corresponding path program 1 times [2018-12-03 01:22:03,753 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:22:03,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:22:03,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:22:03,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:22:03,754 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:22:03,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:22:03,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:22:03,824 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:22:03,824 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 01:22:03,825 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:22:03,826 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 01:22:03,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 01:22:03,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 01:22:03,826 INFO L87 Difference]: Start difference. First operand 150 states and 175 transitions. Second operand 3 states. [2018-12-03 01:22:03,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:22:03,841 INFO L93 Difference]: Finished difference Result 245 states and 285 transitions. [2018-12-03 01:22:03,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 01:22:03,842 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-03 01:22:03,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:22:03,843 INFO L225 Difference]: With dead ends: 245 [2018-12-03 01:22:03,843 INFO L226 Difference]: Without dead ends: 141 [2018-12-03 01:22:03,844 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 [2018-12-03 01:22:03,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-12-03 01:22:03,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-12-03 01:22:03,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-12-03 01:22:03,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 163 transitions. [2018-12-03 01:22:03,854 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 163 transitions. Word has length 53 [2018-12-03 01:22:03,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:22:03,854 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 163 transitions. [2018-12-03 01:22:03,854 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 01:22:03,854 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 163 transitions. [2018-12-03 01:22:03,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-03 01:22:03,855 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:22:03,855 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] [2018-12-03 01:22:03,856 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:22:03,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:22:03,856 INFO L82 PathProgramCache]: Analyzing trace with hash -1148135132, now seen corresponding path program 1 times [2018-12-03 01:22:03,856 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:22:03,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:22:03,857 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:22:03,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:22:03,857 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:22:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:22:03,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:22:03,963 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:22:03,963 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 01:22:03,963 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:22:03,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 01:22:03,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 01:22:03,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-03 01:22:03,964 INFO L87 Difference]: Start difference. First operand 141 states and 163 transitions. Second operand 7 states. [2018-12-03 01:22:04,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:22:04,142 INFO L93 Difference]: Finished difference Result 258 states and 303 transitions. [2018-12-03 01:22:04,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 01:22:04,142 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-12-03 01:22:04,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:22:04,144 INFO L225 Difference]: With dead ends: 258 [2018-12-03 01:22:04,144 INFO L226 Difference]: Without dead ends: 141 [2018-12-03 01:22:04,145 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 [2018-12-03 01:22:04,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-12-03 01:22:04,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-12-03 01:22:04,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-12-03 01:22:04,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 162 transitions. [2018-12-03 01:22:04,155 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 162 transitions. Word has length 58 [2018-12-03 01:22:04,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:22:04,156 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 162 transitions. [2018-12-03 01:22:04,156 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 01:22:04,156 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 162 transitions. [2018-12-03 01:22:04,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-03 01:22:04,158 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:22:04,158 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, 1, 1, 1, 1, 1] [2018-12-03 01:22:04,158 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:22:04,158 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:22:04,158 INFO L82 PathProgramCache]: Analyzing trace with hash -139469963, now seen corresponding path program 1 times [2018-12-03 01:22:04,158 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:22:04,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:22:04,159 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:22:04,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:22:04,159 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:22:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:22:04,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:22:04,222 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:22:04,222 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 01:22:04,222 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:22:04,222 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 01:22:04,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 01:22:04,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-03 01:22:04,223 INFO L87 Difference]: Start difference. First operand 141 states and 162 transitions. Second operand 5 states. [2018-12-03 01:22:04,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:22:04,552 INFO L93 Difference]: Finished difference Result 371 states and 443 transitions. [2018-12-03 01:22:04,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 01:22:04,552 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2018-12-03 01:22:04,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:22:04,553 INFO L225 Difference]: With dead ends: 371 [2018-12-03 01:22:04,554 INFO L226 Difference]: Without dead ends: 254 [2018-12-03 01:22:04,554 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-03 01:22:04,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2018-12-03 01:22:04,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 235. [2018-12-03 01:22:04,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2018-12-03 01:22:04,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 267 transitions. [2018-12-03 01:22:04,568 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 267 transitions. Word has length 71 [2018-12-03 01:22:04,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:22:04,568 INFO L480 AbstractCegarLoop]: Abstraction has 235 states and 267 transitions. [2018-12-03 01:22:04,568 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 01:22:04,568 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 267 transitions. [2018-12-03 01:22:04,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-03 01:22:04,569 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:22:04,569 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:22:04,569 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:22:04,569 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:22:04,569 INFO L82 PathProgramCache]: Analyzing trace with hash -2129755687, now seen corresponding path program 1 times [2018-12-03 01:22:04,569 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:22:04,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:22:04,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:22:04,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:22:04,570 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:22:04,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:22:04,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:22:04,622 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:22:04,622 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 01:22:04,622 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:22:04,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 01:22:04,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 01:22:04,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 01:22:04,623 INFO L87 Difference]: Start difference. First operand 235 states and 267 transitions. Second operand 6 states. [2018-12-03 01:22:04,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:22:04,732 INFO L93 Difference]: Finished difference Result 580 states and 691 transitions. [2018-12-03 01:22:04,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 01:22:04,732 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2018-12-03 01:22:04,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:22:04,735 INFO L225 Difference]: With dead ends: 580 [2018-12-03 01:22:04,735 INFO L226 Difference]: Without dead ends: 369 [2018-12-03 01:22:04,736 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-03 01:22:04,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2018-12-03 01:22:04,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 365. [2018-12-03 01:22:04,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2018-12-03 01:22:04,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 421 transitions. [2018-12-03 01:22:04,760 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 421 transitions. Word has length 85 [2018-12-03 01:22:04,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:22:04,760 INFO L480 AbstractCegarLoop]: Abstraction has 365 states and 421 transitions. [2018-12-03 01:22:04,760 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 01:22:04,760 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 421 transitions. [2018-12-03 01:22:04,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-03 01:22:04,762 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:22:04,762 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:22:04,762 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:22:04,762 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:22:04,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1166702943, now seen corresponding path program 1 times [2018-12-03 01:22:04,762 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:22:04,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:22:04,763 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:22:04,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:22:04,763 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:22:04,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:22:04,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:22:04,843 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:22:04,843 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 01:22:04,843 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:22:04,844 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 01:22:04,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 01:22:04,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 01:22:04,844 INFO L87 Difference]: Start difference. First operand 365 states and 421 transitions. Second operand 6 states. [2018-12-03 01:22:04,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:22:04,972 INFO L93 Difference]: Finished difference Result 782 states and 936 transitions. [2018-12-03 01:22:04,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 01:22:04,972 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-12-03 01:22:04,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:22:04,975 INFO L225 Difference]: With dead ends: 782 [2018-12-03 01:22:04,975 INFO L226 Difference]: Without dead ends: 571 [2018-12-03 01:22:04,976 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-03 01:22:04,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2018-12-03 01:22:05,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 553. [2018-12-03 01:22:05,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 553 states. [2018-12-03 01:22:05,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 651 transitions. [2018-12-03 01:22:05,006 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 651 transitions. Word has length 89 [2018-12-03 01:22:05,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:22:05,007 INFO L480 AbstractCegarLoop]: Abstraction has 553 states and 651 transitions. [2018-12-03 01:22:05,007 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 01:22:05,007 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 651 transitions. [2018-12-03 01:22:05,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-03 01:22:05,008 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:22:05,009 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:22:05,009 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:22:05,009 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:22:05,009 INFO L82 PathProgramCache]: Analyzing trace with hash 244019360, now seen corresponding path program 1 times [2018-12-03 01:22:05,009 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:22:05,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:22:05,010 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:22:05,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:22:05,010 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:22:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:22:05,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:22:05,061 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:22:05,061 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 01:22:05,061 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:22:05,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 01:22:05,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 01:22:05,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-03 01:22:05,062 INFO L87 Difference]: Start difference. First operand 553 states and 651 transitions. Second operand 5 states. [2018-12-03 01:22:05,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:22:05,088 INFO L93 Difference]: Finished difference Result 962 states and 1154 transitions. [2018-12-03 01:22:05,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-03 01:22:05,089 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2018-12-03 01:22:05,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:22:05,091 INFO L225 Difference]: With dead ends: 962 [2018-12-03 01:22:05,091 INFO L226 Difference]: Without dead ends: 563 [2018-12-03 01:22:05,092 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-03 01:22:05,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2018-12-03 01:22:05,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 557. [2018-12-03 01:22:05,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 557 states. [2018-12-03 01:22:05,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 654 transitions. [2018-12-03 01:22:05,109 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 654 transitions. Word has length 89 [2018-12-03 01:22:05,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:22:05,110 INFO L480 AbstractCegarLoop]: Abstraction has 557 states and 654 transitions. [2018-12-03 01:22:05,110 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 01:22:05,110 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 654 transitions. [2018-12-03 01:22:05,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-03 01:22:05,111 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:22:05,111 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:22:05,111 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:22:05,111 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:22:05,111 INFO L82 PathProgramCache]: Analyzing trace with hash -599986142, now seen corresponding path program 1 times [2018-12-03 01:22:05,112 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:22:05,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:22:05,112 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:22:05,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:22:05,112 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:22:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:22:05,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:22:05,164 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:22:05,165 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-03 01:22:05,165 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:22:05,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 01:22:05,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 01:22:05,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-03 01:22:05,165 INFO L87 Difference]: Start difference. First operand 557 states and 654 transitions. Second operand 9 states. [2018-12-03 01:22:05,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:22:05,203 INFO L93 Difference]: Finished difference Result 1107 states and 1326 transitions. [2018-12-03 01:22:05,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-03 01:22:05,203 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2018-12-03 01:22:05,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:22:05,205 INFO L225 Difference]: With dead ends: 1107 [2018-12-03 01:22:05,205 INFO L226 Difference]: Without dead ends: 574 [2018-12-03 01:22:05,206 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-03 01:22:05,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2018-12-03 01:22:05,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 564. [2018-12-03 01:22:05,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2018-12-03 01:22:05,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 661 transitions. [2018-12-03 01:22:05,223 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 661 transitions. Word has length 89 [2018-12-03 01:22:05,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:22:05,224 INFO L480 AbstractCegarLoop]: Abstraction has 564 states and 661 transitions. [2018-12-03 01:22:05,224 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 01:22:05,224 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 661 transitions. [2018-12-03 01:22:05,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-03 01:22:05,225 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:22:05,225 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] [2018-12-03 01:22:05,225 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:22:05,226 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:22:05,226 INFO L82 PathProgramCache]: Analyzing trace with hash -1008052965, now seen corresponding path program 1 times [2018-12-03 01:22:05,226 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:22:05,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:22:05,227 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:22:05,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:22:05,227 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:22:05,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:22:05,318 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-03 01:22:05,319 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:22:05,319 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 01:22:05,319 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 102 with the following transitions: [2018-12-03 01:22:05,321 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [34], [36], [37], [40], [55], [58], [59], [63], [64], [66], [75], [79], [83], [86], [91], [97], [99], [105], [108], [122], [123], [124], [126], [129], [134], [135], [137], [142], [144], [145], [146], [147], [155], [156], [162], [166], [199], [201], [206], [208], [211], [213], [218], [232], [236], [239], [241], [244], [254], [259], [263], [264], [267], [268], [269], [270], [271], [272], [273], [274], [275], [279], [281], [282], [289], [290], [291], [292], [297], [301], [302], [305], [306], [309], [310], [311], [317], [318], [319], [320], [321], [322], [323], [325], [326], [327], [329], [330], [331], [332] [2018-12-03 01:22:05,352 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 01:22:05,352 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 01:22:05,630 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 01:22:05,631 INFO L272 AbstractInterpreter]: Visited 73 different actions 73 times. Never merged. Never widened. Performed 2473 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2473 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-12-03 01:22:05,635 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:22:05,635 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 01:22:05,840 INFO L227 lantSequenceWeakener]: Weakened 71 states. On average, predicates are now at 96.62% of their original sizes. [2018-12-03 01:22:05,840 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 01:22:05,974 INFO L418 sIntCurrentIteration]: We unified 100 AI predicates to 100 [2018-12-03 01:22:05,974 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 01:22:05,974 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 01:22:05,974 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [21] imperfect sequences [9] total 28 [2018-12-03 01:22:05,975 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:22:05,975 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-12-03 01:22:05,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-12-03 01:22:05,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2018-12-03 01:22:05,975 INFO L87 Difference]: Start difference. First operand 564 states and 661 transitions. Second operand 21 states. [2018-12-03 01:22:07,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:22:07,823 INFO L93 Difference]: Finished difference Result 1239 states and 1476 transitions. [2018-12-03 01:22:07,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-03 01:22:07,824 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 101 [2018-12-03 01:22:07,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:22:07,826 INFO L225 Difference]: With dead ends: 1239 [2018-12-03 01:22:07,827 INFO L226 Difference]: Without dead ends: 699 [2018-12-03 01:22:07,828 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 112 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=934, Unknown=0, NotChecked=0, Total=1056 [2018-12-03 01:22:07,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2018-12-03 01:22:07,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 695. [2018-12-03 01:22:07,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 695 states. [2018-12-03 01:22:07,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 814 transitions. [2018-12-03 01:22:07,858 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 814 transitions. Word has length 101 [2018-12-03 01:22:07,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:22:07,858 INFO L480 AbstractCegarLoop]: Abstraction has 695 states and 814 transitions. [2018-12-03 01:22:07,858 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-12-03 01:22:07,858 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 814 transitions. [2018-12-03 01:22:07,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-03 01:22:07,860 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:22:07,860 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] [2018-12-03 01:22:07,861 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:22:07,861 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:22:07,861 INFO L82 PathProgramCache]: Analyzing trace with hash 968557213, now seen corresponding path program 1 times [2018-12-03 01:22:07,861 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:22:07,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:22:07,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:22:07,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:22:07,862 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:22:07,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:22:07,945 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-03 01:22:07,945 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:22:07,945 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-03 01:22:07,945 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:22:07,945 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 01:22:07,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 01:22:07,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-03 01:22:07,946 INFO L87 Difference]: Start difference. First operand 695 states and 814 transitions. Second operand 10 states. [2018-12-03 01:22:08,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:22:08,066 INFO L93 Difference]: Finished difference Result 1241 states and 1458 transitions. [2018-12-03 01:22:08,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-03 01:22:08,067 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2018-12-03 01:22:08,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:22:08,069 INFO L225 Difference]: With dead ends: 1241 [2018-12-03 01:22:08,069 INFO L226 Difference]: Without dead ends: 701 [2018-12-03 01:22:08,070 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-03 01:22:08,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states. [2018-12-03 01:22:08,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 680. [2018-12-03 01:22:08,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 680 states. [2018-12-03 01:22:08,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 778 transitions. [2018-12-03 01:22:08,088 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 778 transitions. Word has length 105 [2018-12-03 01:22:08,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:22:08,089 INFO L480 AbstractCegarLoop]: Abstraction has 680 states and 778 transitions. [2018-12-03 01:22:08,089 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 01:22:08,089 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 778 transitions. [2018-12-03 01:22:08,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-03 01:22:08,090 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:22:08,090 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] [2018-12-03 01:22:08,090 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:22:08,090 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:22:08,091 INFO L82 PathProgramCache]: Analyzing trace with hash 1820463103, now seen corresponding path program 1 times [2018-12-03 01:22:08,091 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:22:08,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:22:08,091 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:22:08,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:22:08,091 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:22:08,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:22:08,148 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-03 01:22:08,148 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:22:08,148 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-03 01:22:08,148 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:22:08,148 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 01:22:08,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 01:22:08,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-03 01:22:08,149 INFO L87 Difference]: Start difference. First operand 680 states and 778 transitions. Second operand 10 states. [2018-12-03 01:22:08,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:22:08,302 INFO L93 Difference]: Finished difference Result 1679 states and 1962 transitions. [2018-12-03 01:22:08,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-03 01:22:08,302 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2018-12-03 01:22:08,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:22:08,306 INFO L225 Difference]: With dead ends: 1679 [2018-12-03 01:22:08,306 INFO L226 Difference]: Without dead ends: 1154 [2018-12-03 01:22:08,307 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-03 01:22:08,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states. [2018-12-03 01:22:08,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 1136. [2018-12-03 01:22:08,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1136 states. [2018-12-03 01:22:08,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 1136 states and 1299 transitions. [2018-12-03 01:22:08,344 INFO L78 Accepts]: Start accepts. Automaton has 1136 states and 1299 transitions. Word has length 105 [2018-12-03 01:22:08,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:22:08,345 INFO L480 AbstractCegarLoop]: Abstraction has 1136 states and 1299 transitions. [2018-12-03 01:22:08,345 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 01:22:08,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 1299 transitions. [2018-12-03 01:22:08,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-03 01:22:08,346 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:22:08,347 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:22:08,347 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:22:08,347 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:22:08,347 INFO L82 PathProgramCache]: Analyzing trace with hash -506950039, now seen corresponding path program 1 times [2018-12-03 01:22:08,347 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:22:08,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:22:08,348 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:22:08,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:22:08,348 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:22:08,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:22:08,434 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-03 01:22:08,435 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:22:08,435 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 01:22:08,435 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 156 with the following transitions: [2018-12-03 01:22:08,435 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [34], [36], [37], [38], [39], [40], [43], [45], [48], [55], [58], [59], [63], [64], [66], [75], [79], [83], [86], [89], [91], [97], [99], [105], [108], [118], [119], [120], [121], [122], [123], [124], [126], [131], [134], [135], [137], [142], [144], [145], [146], [147], [155], [156], [159], [162], [166], [172], [199], [201], [204], [206], [208], [211], [213], [218], [224], [227], [231], [232], [236], [239], [241], [244], [254], [259], [263], [264], [267], [268], [269], [270], [271], [272], [273], [274], [275], [277], [278], [279], [281], [282], [283], [284], [285], [286], [289], [290], [291], [292], [297], [298], [301], [302], [303], [304], [305], [306], [307], [308], [309], [310], [311], [312], [317], [318], [319], [320], [321], [322], [323], [325], [326], [327], [329], [330], [331], [332] [2018-12-03 01:22:08,439 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 01:22:08,439 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 01:22:08,715 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 01:22:08,715 INFO L272 AbstractInterpreter]: Visited 107 different actions 130 times. Merged at 6 different actions 6 times. Never widened. Performed 6581 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6581 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-12-03 01:22:08,721 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:22:08,722 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 01:22:08,722 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:22:08,722 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e166a94f-0ed7-471b-9f21-e5d33dd6eaf4/bin-2019/utaipan/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 [2018-12-03 01:22:08,731 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:22:08,731 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 01:22:08,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:22:08,815 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 01:22:08,927 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-03 01:22:08,927 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 01:22:09,197 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-03 01:22:09,214 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 01:22:09,214 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 11] total 20 [2018-12-03 01:22:09,214 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 01:22:09,214 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-03 01:22:09,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-03 01:22:09,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2018-12-03 01:22:09,215 INFO L87 Difference]: Start difference. First operand 1136 states and 1299 transitions. Second operand 15 states. [2018-12-03 01:22:10,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:22:10,967 INFO L93 Difference]: Finished difference Result 2702 states and 3506 transitions. [2018-12-03 01:22:10,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-12-03 01:22:10,967 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 155 [2018-12-03 01:22:10,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:22:10,975 INFO L225 Difference]: With dead ends: 2702 [2018-12-03 01:22:10,975 INFO L226 Difference]: Without dead ends: 1590 [2018-12-03 01:22:10,979 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 300 SyntacticMatches, 12 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 515 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=484, Invalid=1868, Unknown=0, NotChecked=0, Total=2352 [2018-12-03 01:22:10,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1590 states. [2018-12-03 01:22:11,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1590 to 1134. [2018-12-03 01:22:11,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1134 states. [2018-12-03 01:22:11,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 1134 states and 1263 transitions. [2018-12-03 01:22:11,054 INFO L78 Accepts]: Start accepts. Automaton has 1134 states and 1263 transitions. Word has length 155 [2018-12-03 01:22:11,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:22:11,054 INFO L480 AbstractCegarLoop]: Abstraction has 1134 states and 1263 transitions. [2018-12-03 01:22:11,054 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-03 01:22:11,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1263 transitions. [2018-12-03 01:22:11,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-03 01:22:11,057 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:22:11,057 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-03 01:22:11,057 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:22:11,058 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:22:11,058 INFO L82 PathProgramCache]: Analyzing trace with hash 427670277, now seen corresponding path program 1 times [2018-12-03 01:22:11,058 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:22:11,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:22:11,058 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:22:11,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:22:11,058 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:22:11,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:22:11,153 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-03 01:22:11,153 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:22:11,154 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 01:22:11,154 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 161 with the following transitions: [2018-12-03 01:22:11,154 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [34], [36], [37], [40], [55], [58], [59], [62], [63], [64], [65], [66], [75], [79], [83], [86], [89], [91], [94], [99], [105], [108], [122], [123], [124], [126], [129], [134], [135], [137], [140], [142], [144], [145], [146], [147], [150], [152], [154], [155], [156], [162], [166], [172], [199], [201], [204], [206], [208], [211], [213], [218], [224], [232], [236], [239], [241], [244], [247], [254], [259], [263], [264], [267], [268], [269], [270], [271], [272], [273], [274], [275], [279], [281], [282], [289], [290], [291], [292], [293], [294], [297], [298], [301], [302], [305], [306], [309], [310], [311], [312], [317], [318], [319], [320], [321], [322], [323], [325], [326], [327], [329], [330], [331], [332], [333], [334] [2018-12-03 01:22:11,156 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 01:22:11,157 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 01:22:12,049 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 01:22:12,050 INFO L272 AbstractInterpreter]: Visited 116 different actions 607 times. Merged at 34 different actions 140 times. Widened at 1 different actions 1 times. Performed 22742 root evaluator evaluations with a maximum evaluation depth of 3. Performed 22742 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 22 fixpoints after 8 different actions. Largest state had 133 variables. [2018-12-03 01:22:12,057 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:22:12,057 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 01:22:12,057 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:22:12,057 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e166a94f-0ed7-471b-9f21-e5d33dd6eaf4/bin-2019/utaipan/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 [2018-12-03 01:22:12,064 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:22:12,064 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 01:22:12,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:22:12,127 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 01:22:12,170 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-03 01:22:12,170 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 01:22:12,387 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-03 01:22:12,403 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-03 01:22:12,403 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 9] total 19 [2018-12-03 01:22:12,403 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:22:12,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-03 01:22:12,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-03 01:22:12,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2018-12-03 01:22:12,404 INFO L87 Difference]: Start difference. First operand 1134 states and 1263 transitions. Second operand 8 states. [2018-12-03 01:22:12,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:22:12,595 INFO L93 Difference]: Finished difference Result 2200 states and 2472 transitions. [2018-12-03 01:22:12,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 01:22:12,595 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 160 [2018-12-03 01:22:12,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:22:12,596 INFO L225 Difference]: With dead ends: 2200 [2018-12-03 01:22:12,596 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 01:22:12,598 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 305 SyntacticMatches, 6 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2018-12-03 01:22:12,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 01:22:12,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 01:22:12,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 01:22:12,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 01:22:12,599 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 160 [2018-12-03 01:22:12,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:22:12,599 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 01:22:12,599 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-03 01:22:12,599 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 01:22:12,599 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 01:22:12,602 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 01:22:12,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,719 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,719 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,719 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,864 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:12,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:22:13,174 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 32 [2018-12-03 01:22:13,764 WARN L180 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 55 [2018-12-03 01:22:14,009 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 35 [2018-12-03 01:22:14,290 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 51 [2018-12-03 01:22:14,684 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 38 [2018-12-03 01:22:15,169 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 36 [2018-12-03 01:22:15,870 WARN L180 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 50 [2018-12-03 01:22:16,071 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 162 168) the Hoare annotation is: true [2018-12-03 01:22:16,071 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 162 168) no Hoare annotation was computed. [2018-12-03 01:22:16,071 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 169 177) no Hoare annotation was computed. [2018-12-03 01:22:16,071 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 169 177) the Hoare annotation is: true [2018-12-03 01:22:16,071 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 169 177) no Hoare annotation was computed. [2018-12-03 01:22:16,071 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-12-03 01:22:16,071 INFO L448 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-12-03 01:22:16,071 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 01:22:16,071 INFO L444 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 01:22:16,072 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 01:22:16,072 INFO L444 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 01:22:16,072 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-12-03 01:22:16,072 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-12-03 01:22:16,072 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 01:22:16,072 INFO L444 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 01:22:16,072 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-12-03 01:22:16,072 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 899 907) no Hoare annotation was computed. [2018-12-03 01:22:16,072 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 899 907) the Hoare annotation is: true [2018-12-03 01:22:16,072 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 899 907) no Hoare annotation was computed. [2018-12-03 01:22:16,072 INFO L448 ceAbstractionStarter]: For program point L972(lines 972 976) no Hoare annotation was computed. [2018-12-03 01:22:16,073 INFO L451 ceAbstractionStarter]: At program point L970(line 970) the Hoare annotation is: true [2018-12-03 01:22:16,073 INFO L448 ceAbstractionStarter]: For program point L972-2(lines 972 976) no Hoare annotation was computed. [2018-12-03 01:22:16,073 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 963 981) the Hoare annotation is: true [2018-12-03 01:22:16,073 INFO L448 ceAbstractionStarter]: For program point L970-1(line 970) no Hoare annotation was computed. [2018-12-03 01:22:16,073 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 963 981) no Hoare annotation was computed. [2018-12-03 01:22:16,073 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 963 981) no Hoare annotation was computed. [2018-12-03 01:22:16,073 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 155 161) no Hoare annotation was computed. [2018-12-03 01:22:16,073 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 155 161) the Hoare annotation is: true [2018-12-03 01:22:16,073 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 01:22:16,073 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-12-03 01:22:16,073 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-12-03 01:22:16,073 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 888 898) the Hoare annotation is: true [2018-12-03 01:22:16,073 INFO L451 ceAbstractionStarter]: At program point L893(line 893) the Hoare annotation is: true [2018-12-03 01:22:16,073 INFO L448 ceAbstractionStarter]: For program point L893-1(line 893) no Hoare annotation was computed. [2018-12-03 01:22:16,073 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 888 898) no Hoare annotation was computed. [2018-12-03 01:22:16,074 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 888 898) no Hoare annotation was computed. [2018-12-03 01:22:16,074 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 880 887) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse3 .cse1))) [2018-12-03 01:22:16,074 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 880 887) no Hoare annotation was computed. [2018-12-03 01:22:16,074 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 880 887) no Hoare annotation was computed. [2018-12-03 01:22:16,074 INFO L448 ceAbstractionStarter]: For program point L833(lines 833 850) no Hoare annotation was computed. [2018-12-03 01:22:16,074 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 829 853) no Hoare annotation was computed. [2018-12-03 01:22:16,074 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 829 853) the Hoare annotation is: (let ((.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (< 1 ~waterLevel~0)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse3 .cse4 (not (= ~waterLevel~0 2))) (or .cse6 .cse5 .cse1 (< 2 ~waterLevel~0) .cse3) (or .cse6 .cse0 .cse2 .cse3 .cse1) (or (or .cse0 .cse5 .cse3) .cse4 .cse1))) [2018-12-03 01:22:16,074 INFO L444 ceAbstractionStarter]: At program point L848(line 848) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2 .cse3 (not (= ~waterLevel~0 2))) (or .cse6 .cse4 .cse5 (< 2 ~waterLevel~0) .cse2) (or (or .cse0 .cse4 .cse2) .cse3 .cse5) (or .cse6 .cse0 .cse1 .cse2))) [2018-12-03 01:22:16,074 INFO L448 ceAbstractionStarter]: For program point L848-1(lines 829 853) no Hoare annotation was computed. [2018-12-03 01:22:16,074 INFO L444 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse5 .cse6 .cse3) (or .cse7 .cse0 .cse2 .cse3 .cse1))) [2018-12-03 01:22:16,074 INFO L444 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse5 .cse6 .cse3) (or .cse7 .cse0 .cse2 .cse3 .cse1))) [2018-12-03 01:22:16,075 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 845) no Hoare annotation was computed. [2018-12-03 01:22:16,075 INFO L444 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse5 .cse6 .cse3) (or .cse7 .cse0 .cse2 .cse3 .cse1))) [2018-12-03 01:22:16,075 INFO L448 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2018-12-03 01:22:16,075 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 639 652) no Hoare annotation was computed. [2018-12-03 01:22:16,075 INFO L448 ceAbstractionStarter]: For program point L643(lines 643 649) no Hoare annotation was computed. [2018-12-03 01:22:16,075 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 639 652) the Hoare annotation is: true [2018-12-03 01:22:16,075 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 639 652) no Hoare annotation was computed. [2018-12-03 01:22:16,075 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 795 801) no Hoare annotation was computed. [2018-12-03 01:22:16,075 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 795 801) the Hoare annotation is: true [2018-12-03 01:22:16,075 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 699 764) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 01:22:16,075 INFO L444 ceAbstractionStarter]: At program point L731(line 731) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 1)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse6 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 (and .cse0 .cse1 .cse3 .cse4)) (and .cse5 .cse6 .cse0 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse6 .cse0 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-03 01:22:16,075 INFO L448 ceAbstractionStarter]: For program point L729(lines 729 735) no Hoare annotation was computed. [2018-12-03 01:22:16,075 INFO L448 ceAbstractionStarter]: For program point L729-1(lines 729 735) no Hoare annotation was computed. [2018-12-03 01:22:16,076 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 699 764) no Hoare annotation was computed. [2018-12-03 01:22:16,076 INFO L444 ceAbstractionStarter]: At program point L754(lines 709 756) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse6 (= ~pumpRunning~0 1)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 (<= ~waterLevel~0 1) .cse3 .cse4) (and .cse5 .cse1 .cse6 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse6 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-03 01:22:16,076 INFO L444 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse6 (= ~pumpRunning~0 1)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 (<= ~waterLevel~0 1) .cse3 .cse4) (and .cse5 .cse1 .cse6 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse6 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-03 01:22:16,076 INFO L448 ceAbstractionStarter]: For program point L719(lines 719 725) no Hoare annotation was computed. [2018-12-03 01:22:16,076 INFO L448 ceAbstractionStarter]: For program point L719-1(lines 719 725) no Hoare annotation was computed. [2018-12-03 01:22:16,076 INFO L448 ceAbstractionStarter]: For program point L711(lines 711 715) no Hoare annotation was computed. [2018-12-03 01:22:16,076 INFO L444 ceAbstractionStarter]: At program point L757(lines 708 758) 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))) [2018-12-03 01:22:16,076 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 751) no Hoare annotation was computed. [2018-12-03 01:22:16,076 INFO L444 ceAbstractionStarter]: At program point L747-2(lines 739 752) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 (and .cse1 .cse2 .cse3 .cse4)) (and .cse0 .cse5 .cse1 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse1 .cse6 .cse3 .cse4) (and .cse1 .cse2 .cse6 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-03 01:22:16,076 INFO L448 ceAbstractionStarter]: For program point L710(lines 709 756) no Hoare annotation was computed. [2018-12-03 01:22:16,076 INFO L444 ceAbstractionStarter]: At program point L741(line 741) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 (and .cse1 .cse2 .cse3 .cse4)) (and .cse0 .cse5 .cse1 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse1 .cse6 .cse3 .cse4) (and .cse1 .cse2 .cse6 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-03 01:22:16,077 INFO L448 ceAbstractionStarter]: For program point L739(lines 739 752) no Hoare annotation was computed. [2018-12-03 01:22:16,077 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 699 764) no Hoare annotation was computed. [2018-12-03 01:22:16,077 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 854 861) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)))) (.cse2 (< 2 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0 .cse2))) [2018-12-03 01:22:16,077 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 854 861) no Hoare annotation was computed. [2018-12-03 01:22:16,077 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 854 861) no Hoare annotation was computed. [2018-12-03 01:22:16,077 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 653 661) no Hoare annotation was computed. [2018-12-03 01:22:16,077 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 653 661) the Hoare annotation is: true [2018-12-03 01:22:16,077 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 653 661) no Hoare annotation was computed. [2018-12-03 01:22:16,077 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 01:22:16,077 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)) [2018-12-03 01:22:16,077 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 01:22:16,077 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 863 879) no Hoare annotation was computed. [2018-12-03 01:22:16,077 INFO L444 ceAbstractionStarter]: At program point L874(line 874) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< 2 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (and .cse3 (= ~methaneLevelCritical~0 activatePump_~tmp~8)) (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse3 .cse1 .cse2))) [2018-12-03 01:22:16,077 INFO L448 ceAbstractionStarter]: For program point L874-1(lines 863 879) no Hoare annotation was computed. [2018-12-03 01:22:16,078 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 863 879) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse3 .cse1 .cse2 (not (= ~waterLevel~0 2))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse3 (< 2 ~waterLevel~0) .cse1))) [2018-12-03 01:22:16,078 INFO L448 ceAbstractionStarter]: For program point L870(lines 870 876) no Hoare annotation was computed. [2018-12-03 01:22:16,078 INFO L444 ceAbstractionStarter]: At program point L868(line 868) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse3 .cse1 .cse2 (not (= ~waterLevel~0 2))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse3 (< 2 ~waterLevel~0) .cse1))) [2018-12-03 01:22:16,078 INFO L448 ceAbstractionStarter]: For program point L868-1(line 868) no Hoare annotation was computed. [2018-12-03 01:22:16,078 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 944 962) no Hoare annotation was computed. [2018-12-03 01:22:16,078 INFO L448 ceAbstractionStarter]: For program point L953(lines 953 957) no Hoare annotation was computed. [2018-12-03 01:22:16,078 INFO L451 ceAbstractionStarter]: At program point L951(line 951) the Hoare annotation is: true [2018-12-03 01:22:16,078 INFO L448 ceAbstractionStarter]: For program point L953-2(lines 953 957) no Hoare annotation was computed. [2018-12-03 01:22:16,078 INFO L448 ceAbstractionStarter]: For program point L951-1(line 951) no Hoare annotation was computed. [2018-12-03 01:22:16,078 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 944 962) the Hoare annotation is: true [2018-12-03 01:22:16,078 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 944 962) no Hoare annotation was computed. [2018-12-03 01:22:16,078 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 630 638) the Hoare annotation is: true [2018-12-03 01:22:16,078 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 630 638) no Hoare annotation was computed. [2018-12-03 01:22:16,078 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 630 638) no Hoare annotation was computed. [2018-12-03 01:22:16,079 INFO L448 ceAbstractionStarter]: For program point L590-1(lines 586 597) no Hoare annotation was computed. [2018-12-03 01:22:16,079 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 586 597) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 1)))) (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse7 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse6 (or (not (= 1 ~pumpRunning~0)) .cse4)) (.cse3 (< 2 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (or .cse6 .cse3) .cse7) (or (or .cse1 .cse3 .cse4) .cse5 .cse7) (or .cse2 (or .cse0 .cse6 .cse3))))) [2018-12-03 01:22:16,079 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 586 597) no Hoare annotation was computed. [2018-12-03 01:22:16,079 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 598 606) the Hoare annotation is: true [2018-12-03 01:22:16,079 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 598 606) no Hoare annotation was computed. [2018-12-03 01:22:16,079 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 598 606) no Hoare annotation was computed. [2018-12-03 01:22:16,079 INFO L444 ceAbstractionStarter]: At program point L784(line 784) the Hoare annotation is: (let ((.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse13 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse8 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse10 (and .cse13 (<= ~waterLevel~0 1) .cse2)) (.cse11 (or .cse9 .cse4)) (.cse3 (< 2 |old(~waterLevel~0)|)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse12 (< 1 |old(~waterLevel~0)|)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (= 1 ~waterLevel~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 (and (<= ~waterLevel~0 2) .cse2) .cse3 .cse4) (or .cse1 .cse4 .cse5 .cse6 .cse7) (or .cse8 .cse9 .cse4 .cse6 .cse7) (or .cse0 .cse9 .cse4 .cse6 .cse8) (or .cse10 (or .cse0 .cse11 .cse3)) (or (or .cse12 .cse1 .cse4) .cse7 (and .cse13 .cse2)) (or .cse1 (and (= ~waterLevel~0 2) .cse2) .cse4 .cse7 (not (= |old(~waterLevel~0)| 2))) (or .cse10 (or .cse11 .cse3) .cse7) (or (or .cse0 .cse12 .cse1 .cse4) .cse13) (or .cse0 .cse5 .cse1 .cse4 .cse6)))) [2018-12-03 01:22:16,079 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 771 794) the Hoare annotation is: (let ((.cse10 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse12 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse8 (and .cse12 .cse2)) (.cse9 (or .cse10 .cse4)) (.cse3 (< 2 |old(~waterLevel~0)|)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse11 (< 1 |old(~waterLevel~0)|)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (= 1 ~waterLevel~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 (and (<= ~waterLevel~0 2) .cse2) .cse3 .cse4) (or .cse1 .cse4 .cse5 .cse6 .cse7) (or .cse8 (or .cse0 .cse9 .cse3)) (or .cse10 .cse4 .cse6 .cse7 .cse5) (or (or .cse11 .cse1 .cse4) .cse7 .cse8) (or .cse1 (and (= ~waterLevel~0 2) .cse2) .cse4 .cse7 (not (= |old(~waterLevel~0)| 2))) (or .cse8 (or .cse9 .cse3) .cse7) (or .cse0 .cse5 .cse10 .cse4 .cse6) (or (or .cse0 .cse11 .cse1 .cse4) .cse12) (or .cse0 .cse5 .cse1 .cse4 .cse6)))) [2018-12-03 01:22:16,080 INFO L444 ceAbstractionStarter]: At program point L782(lines 782 788) the Hoare annotation is: (let ((.cse11 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~systemActive~0 1))) (.cse15 (<= ~waterLevel~0 1)) (.cse14 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse16 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse10 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse12 (and .cse14 .cse16)) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse7 (= 1 ~waterLevel~0)) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse0 (and .cse14 (= 0 ~pumpRunning~0) .cse15)) (.cse1 (and .cse14 .cse15 .cse16)) (.cse3 (or .cse11 .cse6)) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse13 (and .cse14 (= ~pumpRunning~0 1))) (.cse9 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (or .cse2 .cse3 .cse4)) (or .cse5 .cse6 .cse7 .cse8 .cse9) (or .cse2 .cse10 .cse11 .cse6 .cse8) (or .cse10 .cse11 .cse6 .cse8 .cse9) (or .cse2 .cse5 .cse12 .cse13 .cse4 .cse6) (or .cse5 .cse13 .cse4 .cse6 .cse9 .cse12) (or .cse2 .cse7 .cse5 .cse6 .cse8) (or .cse0 .cse1 (or .cse3 .cse4) .cse9) (or .cse5 .cse13 .cse6 .cse9 (not (= |old(~waterLevel~0)| 2)))))) [2018-12-03 01:22:16,080 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 771 794) no Hoare annotation was computed. [2018-12-03 01:22:16,080 INFO L444 ceAbstractionStarter]: At program point L777(line 777) the Hoare annotation is: (let ((.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (let ((.cse9 (or .cse5 .cse3)) (.cse8 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= 1 ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3 .cse6 .cse7) (or .cse8 (or .cse9 .cse2) .cse7) (or (or .cse0 .cse9 .cse2) .cse8) (or .cse0 .cse4 .cse5 .cse3 .cse6) (or .cse1 .cse2 .cse3 .cse7)))) [2018-12-03 01:22:16,080 INFO L448 ceAbstractionStarter]: For program point L775(lines 774 793) no Hoare annotation was computed. [2018-12-03 01:22:16,080 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 771 794) no Hoare annotation was computed. [2018-12-03 01:22:16,080 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-12-03 01:22:16,080 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-12-03 01:22:16,080 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-12-03 01:22:16,080 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-12-03 01:22:16,080 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-12-03 01:22:16,080 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-12-03 01:22:16,080 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-12-03 01:22:16,080 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-12-03 01:22:16,080 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-12-03 01:22:16,081 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-12-03 01:22:16,081 INFO L448 ceAbstractionStarter]: For program point L673(lines 673 693) no Hoare annotation was computed. [2018-12-03 01:22:16,081 INFO L451 ceAbstractionStarter]: At program point L671(line 671) the Hoare annotation is: true [2018-12-03 01:22:16,081 INFO L448 ceAbstractionStarter]: For program point L671-1(line 671) no Hoare annotation was computed. [2018-12-03 01:22:16,081 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 664 696) no Hoare annotation was computed. [2018-12-03 01:22:16,081 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 664 696) the Hoare annotation is: true [2018-12-03 01:22:16,081 INFO L444 ceAbstractionStarter]: At program point L687(line 687) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse3 .cse5) (or (< 1 ~waterLevel~0) .cse1 .cse3 .cse5) (or .cse0 .cse2 .cse4 .cse3))) [2018-12-03 01:22:16,081 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 689) no Hoare annotation was computed. [2018-12-03 01:22:16,081 INFO L444 ceAbstractionStarter]: At program point L681(line 681) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse6 (< 1 ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (= __utac_acc__Specification3_spec__1_~tmp~4 ~methaneLevelCritical~0) .cse2 .cse4 .cse3 .cse5) (or .cse6 .cse1 .cse3 .cse5) (or .cse6 .cse4 .cse3 .cse5) (or .cse0 .cse2 .cse4 .cse3))) [2018-12-03 01:22:16,081 INFO L448 ceAbstractionStarter]: For program point L681-1(line 681) no Hoare annotation was computed. [2018-12-03 01:22:16,081 INFO L448 ceAbstractionStarter]: For program point L679(lines 679 692) no Hoare annotation was computed. [2018-12-03 01:22:16,081 INFO L448 ceAbstractionStarter]: For program point L679-1(lines 664 696) no Hoare annotation was computed. [2018-12-03 01:22:16,081 INFO L444 ceAbstractionStarter]: At program point L677(line 677) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (= __utac_acc__Specification3_spec__1_~tmp~4 ~methaneLevelCritical~0)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse3 .cse6) (or (< 1 ~waterLevel~0) .cse1 .cse4 .cse3 .cse6) (or .cse0 .cse2 .cse5 .cse3))) [2018-12-03 01:22:16,081 INFO L448 ceAbstractionStarter]: For program point L677-1(line 677) no Hoare annotation was computed. [2018-12-03 01:22:16,082 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 562 573) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (= 1 ~waterLevel~0)) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (< 2 |old(~waterLevel~0)|)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse3 (or (= ~pumpRunning~0 0) .cse6)) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or (or .cse0 .cse1 .cse2 .cse3) .cse4) (or .cse5 .cse2 .cse6 .cse7 .cse8) (or .cse0 .cse5 .cse2 .cse6 .cse7) (or .cse4 (or .cse1 .cse2 .cse3) .cse8)))) [2018-12-03 01:22:16,082 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 562 573) no Hoare annotation was computed. [2018-12-03 01:22:16,082 INFO L448 ceAbstractionStarter]: For program point L566-1(lines 562 573) no Hoare annotation was computed. [2018-12-03 01:22:16,082 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-12-03 01:22:16,082 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-12-03 01:22:16,082 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 01:22:16,082 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-03 01:22:16,082 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 01:22:16,082 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 01:22:16,082 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 803 827) the Hoare annotation is: (let ((.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (< 1 ~waterLevel~0)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse3 .cse4 (not (= ~waterLevel~0 2))) (or .cse6 .cse5 .cse1 (< 2 ~waterLevel~0) .cse3) (or .cse6 .cse0 .cse2 .cse3 .cse1) (or (or .cse0 .cse5 .cse3) .cse4 .cse1))) [2018-12-03 01:22:16,082 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 803 827) no Hoare annotation was computed. [2018-12-03 01:22:16,082 INFO L444 ceAbstractionStarter]: At program point L822(line 822) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse5 .cse6 .cse3) (or .cse7 .cse0 .cse2 .cse3 .cse1))) [2018-12-03 01:22:16,083 INFO L448 ceAbstractionStarter]: For program point L822-1(lines 803 827) no Hoare annotation was computed. [2018-12-03 01:22:16,083 INFO L444 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (< 2 ~waterLevel~0)) (.cse0 (and (<= ~waterLevel~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse3 .cse4 .cse5 .cse0) (or .cse6 .cse7 .cse4 .cse5) (or .cse1 .cse6 .cse7 .cse4))) [2018-12-03 01:22:16,083 INFO L444 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse3 (and (= processEnvironment__wrappee__highWaterSensor_~tmp~6 1) .cse0)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (and (or (and (<= ~waterLevel~0 1) .cse0) .cse1 .cse2 .cse3 (< 2 ~waterLevel~0) .cse4) (or .cse2 .cse3 .cse4 .cse5 (not (= ~waterLevel~0 2))) (or .cse6 .cse7 .cse4 .cse5) (or (or .cse6 .cse2 .cse4) .cse5 .cse0) (or .cse1 .cse6 .cse7 .cse4)))) [2018-12-03 01:22:16,083 INFO L448 ceAbstractionStarter]: For program point L811(lines 811 819) no Hoare annotation was computed. [2018-12-03 01:22:16,083 INFO L444 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2 .cse3 (not (= ~waterLevel~0 2))) (or .cse6 .cse4 .cse5 (< 2 ~waterLevel~0) .cse2) (or (or .cse0 .cse4 .cse2) .cse3 .cse5) (or .cse6 .cse0 .cse1 .cse2))) [2018-12-03 01:22:16,083 INFO L448 ceAbstractionStarter]: For program point L809-1(line 809) no Hoare annotation was computed. [2018-12-03 01:22:16,083 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 824) no Hoare annotation was computed. [2018-12-03 01:22:16,083 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 982 989) no Hoare annotation was computed. [2018-12-03 01:22:16,083 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 982 989) the Hoare annotation is: (let ((.cse1 (not (= |old(~systemActive~0)| 1)))) (let ((.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse6 (or (not (= 1 ~pumpRunning~0)) .cse1)) (.cse5 (< 2 ~waterLevel~0)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (= ~systemActive~0 1)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (or (< 1 ~waterLevel~0) .cse0 .cse1) .cse2 .cse3) (or .cse4 .cse0 .cse3 .cse5 .cse1) (or .cse3 (or .cse6 .cse5) .cse2) (or .cse3 (or .cse4 .cse6 .cse5)) (or .cse0 .cse3 .cse1 .cse2 (not (= ~waterLevel~0 2)))))) [2018-12-03 01:22:16,083 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 982 989) no Hoare annotation was computed. [2018-12-03 01:22:16,083 INFO L448 ceAbstractionStarter]: For program point L578-1(lines 574 585) no Hoare annotation was computed. [2018-12-03 01:22:16,083 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 574 585) no Hoare annotation was computed. [2018-12-03 01:22:16,084 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 574 585) the Hoare annotation is: (let ((.cse7 (< 1 |old(~waterLevel~0)|)) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse1 (< 2 |old(~waterLevel~0)|)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse8 (<= ~waterLevel~0 2))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse3 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1)) .cse4) (or (or .cse6 .cse7 .cse5 .cse3) .cse0) (or .cse6 .cse5 .cse8 .cse1 .cse3) (or (or .cse6 .cse7 .cse2 .cse3) .cse0) (or (or .cse7 .cse5 .cse3) .cse4 .cse0) (or .cse6 .cse1 .cse2 .cse3 .cse8))) [2018-12-03 01:22:16,084 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 545 552) no Hoare annotation was computed. [2018-12-03 01:22:16,084 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 545 552) the Hoare annotation is: true [2018-12-03 01:22:16,084 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 545 552) no Hoare annotation was computed. [2018-12-03 01:22:16,084 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 549) no Hoare annotation was computed. [2018-12-03 01:22:16,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 01:22:16 BoogieIcfgContainer [2018-12-03 01:22:16,092 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 01:22:16,093 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 01:22:16,093 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 01:22:16,093 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 01:22:16,093 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:22:03" (3/4) ... [2018-12-03 01:22:16,095 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 01:22:16,099 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-03 01:22:16,099 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-03 01:22:16,099 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 01:22:16,100 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-03 01:22:16,100 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-03 01:22:16,100 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-03 01:22:16,100 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-03 01:22:16,100 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-03 01:22:16,100 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-03 01:22:16,100 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-03 01:22:16,100 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-03 01:22:16,100 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-03 01:22:16,100 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-03 01:22:16,100 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-03 01:22:16,100 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-03 01:22:16,100 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 01:22:16,100 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-03 01:22:16,100 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-03 01:22:16,100 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-03 01:22:16,101 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-03 01:22:16,101 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-03 01:22:16,101 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-03 01:22:16,101 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-03 01:22:16,101 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-12-03 01:22:16,101 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-03 01:22:16,101 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-03 01:22:16,101 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-03 01:22:16,101 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-03 01:22:16,101 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-03 01:22:16,101 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-03 01:22:16,106 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-12-03 01:22:16,106 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-03 01:22:16,106 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-03 01:22:16,106 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-03 01:22:16,107 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-03 01:22:16,107 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-03 01:22:16,125 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((0 == pumpRunning && waterLevel <= 2) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0)) || ((((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(0 == \old(pumpRunning))) || ((((waterLevel <= 2 && pumpRunning == 1) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-03 01:22:16,125 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-03 01:22:16,150 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e166a94f-0ed7-471b-9f21-e5d33dd6eaf4/bin-2019/utaipan/witness.graphml [2018-12-03 01:22:16,150 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 01:22:16,151 INFO L168 Benchmark]: Toolchain (without parser) took 13365.13 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 521.7 MB). Free memory was 948.1 MB in the beginning and 805.5 MB in the end (delta: 142.6 MB). Peak memory consumption was 664.2 MB. Max. memory is 11.5 GB. [2018-12-03 01:22:16,151 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 01:22:16,152 INFO L168 Benchmark]: CACSL2BoogieTranslator took 280.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -143.5 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2018-12-03 01:22:16,152 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.32 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. [2018-12-03 01:22:16,152 INFO L168 Benchmark]: Boogie Preprocessor took 21.95 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-03 01:22:16,152 INFO L168 Benchmark]: RCFGBuilder took 335.69 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: 50.3 MB). Peak memory consumption was 50.3 MB. Max. memory is 11.5 GB. [2018-12-03 01:22:16,152 INFO L168 Benchmark]: TraceAbstraction took 12646.96 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 419.4 MB). Free memory was 1.0 GB in the beginning and 805.6 MB in the end (delta: 233.0 MB). Peak memory consumption was 652.4 MB. Max. memory is 11.5 GB. [2018-12-03 01:22:16,152 INFO L168 Benchmark]: Witness Printer took 57.98 ms. Allocated memory is still 1.6 GB. Free memory was 805.6 MB in the beginning and 805.5 MB in the end (delta: 94.9 kB). Peak memory consumption was 94.9 kB. Max. memory is 11.5 GB. [2018-12-03 01:22:16,153 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 280.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -143.5 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.32 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. * Boogie Preprocessor took 21.95 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 335.69 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: 50.3 MB). Peak memory consumption was 50.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12646.96 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 419.4 MB). Free memory was 1.0 GB in the beginning and 805.6 MB in the end (delta: 233.0 MB). Peak memory consumption was 652.4 MB. Max. memory is 11.5 GB. * Witness Printer took 57.98 ms. Allocated memory is still 1.6 GB. Free memory was 805.6 MB in the beginning and 805.5 MB in the end (delta: 94.9 kB). Peak memory consumption was 94.9 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 549]: 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: 709]: Loop Invariant Derived loop invariant: ((((((((((0 == pumpRunning && waterLevel <= 2) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0)) || ((((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(0 == \old(pumpRunning))) || ((((waterLevel <= 2 && pumpRunning == 1) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\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: 708]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 163 locations, 1 error locations. SAFE Result, 12.6s OverallTime, 13 OverallIterations, 3 TraceHistogramMax, 4.9s AutomataDifference, 0.0s DeadEndRemovalTime, 3.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 2556 SDtfs, 2187 SDslu, 9436 SDs, 0 SdLazy, 4477 SolverSat, 1095 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 901 GetRequests, 724 SyntacticMatches, 20 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 773 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1136occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.5s AbstIntTime, 3 AbstIntIterations, 1 AbstIntStrong, 0.9967174802728417 AbsIntWeakeningRatio, 1.13 AbsIntAvgWeakeningVarsNumRemoved, 79.91 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 556 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 2693 PreInvPairs, 2809 NumberOfFragments, 3357 HoareAnnotationTreeSize, 2693 FomulaSimplifications, 7625 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 67 FomulaSimplificationsInter, 18456 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1527 NumberOfCodeBlocks, 1527 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1825 ConstructedInterpolants, 0 QuantifiedInterpolants, 375452 SizeOfPredicates, 10 NumberOfNonLiveVariables, 1778 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 244/264 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...