./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product64_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_415ae5aa-5cd1-4feb-aea0-22be7f5ffc79/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_415ae5aa-5cd1-4feb-aea0-22be7f5ffc79/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_415ae5aa-5cd1-4feb-aea0-22be7f5ffc79/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_415ae5aa-5cd1-4feb-aea0-22be7f5ffc79/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product64_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_415ae5aa-5cd1-4feb-aea0-22be7f5ffc79/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_415ae5aa-5cd1-4feb-aea0-22be7f5ffc79/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 f1df426416c0b8e66bfd1bb2b307ec8233b9df30 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 17:16:49,358 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:16:49,360 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:16:49,367 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:16:49,368 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:16:49,368 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:16:49,369 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:16:49,370 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:16:49,371 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:16:49,372 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:16:49,372 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:16:49,372 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:16:49,373 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:16:49,374 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:16:49,375 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:16:49,375 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:16:49,376 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:16:49,377 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:16:49,378 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:16:49,379 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:16:49,380 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:16:49,381 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:16:49,383 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:16:49,383 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:16:49,383 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:16:49,383 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:16:49,384 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:16:49,385 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:16:49,386 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:16:49,386 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:16:49,387 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:16:49,387 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:16:49,387 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:16:49,387 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:16:49,388 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:16:49,388 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:16:49,389 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_415ae5aa-5cd1-4feb-aea0-22be7f5ffc79/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 17:16:49,399 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:16:49,399 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:16:49,399 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:16:49,399 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 17:16:49,400 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 17:16:49,400 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 17:16:49,400 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 17:16:49,400 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 17:16:49,400 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 17:16:49,400 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 17:16:49,400 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 17:16:49,400 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 17:16:49,401 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 17:16:49,402 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:16:49,402 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:16:49,402 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:16:49,403 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:16:49,403 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:16:49,403 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:16:49,403 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:16:49,403 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:16:49,403 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:16:49,403 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:16:49,403 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:16:49,404 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:16:49,404 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:16:49,404 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:16:49,404 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:16:49,404 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:16:49,404 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:16:49,404 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:16:49,404 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:16:49,405 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:16:49,405 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 17:16:49,405 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:16:49,405 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:16:49,405 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 17:16:49,405 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_415ae5aa-5cd1-4feb-aea0-22be7f5ffc79/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 -> f1df426416c0b8e66bfd1bb2b307ec8233b9df30 [2018-11-18 17:16:49,430 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:16:49,438 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:16:49,441 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:16:49,442 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:16:49,442 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:16:49,443 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_415ae5aa-5cd1-4feb-aea0-22be7f5ffc79/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product64_true-unreach-call_false-termination.cil.c [2018-11-18 17:16:49,479 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_415ae5aa-5cd1-4feb-aea0-22be7f5ffc79/bin-2019/utaipan/data/a1b27e0f8/6f7fcc74fa6c4f6cb37c5108378aaffc/FLAGdbd875f1b [2018-11-18 17:16:49,809 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:16:49,810 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_415ae5aa-5cd1-4feb-aea0-22be7f5ffc79/sv-benchmarks/c/product-lines/minepump_spec1_product64_true-unreach-call_false-termination.cil.c [2018-11-18 17:16:49,816 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_415ae5aa-5cd1-4feb-aea0-22be7f5ffc79/bin-2019/utaipan/data/a1b27e0f8/6f7fcc74fa6c4f6cb37c5108378aaffc/FLAGdbd875f1b [2018-11-18 17:16:49,826 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_415ae5aa-5cd1-4feb-aea0-22be7f5ffc79/bin-2019/utaipan/data/a1b27e0f8/6f7fcc74fa6c4f6cb37c5108378aaffc [2018-11-18 17:16:49,828 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:16:49,828 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:16:49,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:16:49,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:16:49,831 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:16:49,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:16:49" (1/1) ... [2018-11-18 17:16:49,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345e74ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:16:49, skipping insertion in model container [2018-11-18 17:16:49,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:16:49" (1/1) ... [2018-11-18 17:16:49,839 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:16:49,867 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:16:50,050 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:16:50,058 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:16:50,162 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:16:50,182 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:16:50,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:16:50 WrapperNode [2018-11-18 17:16:50,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:16:50,183 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:16:50,183 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:16:50,183 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:16:50,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:16:50" (1/1) ... [2018-11-18 17:16:50,198 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:16:50" (1/1) ... [2018-11-18 17:16:50,203 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:16:50,204 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:16:50,204 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:16:50,204 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:16:50,209 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:16:50" (1/1) ... [2018-11-18 17:16:50,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:16:50" (1/1) ... [2018-11-18 17:16:50,212 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:16:50" (1/1) ... [2018-11-18 17:16:50,212 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:16:50" (1/1) ... [2018-11-18 17:16:50,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:16:50" (1/1) ... [2018-11-18 17:16:50,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:16:50" (1/1) ... [2018-11-18 17:16:50,230 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:16:50" (1/1) ... [2018-11-18 17:16:50,234 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:16:50,234 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:16:50,234 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:16:50,235 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:16:50,236 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:16:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_415ae5aa-5cd1-4feb-aea0-22be7f5ffc79/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 [2018-11-18 17:16:50,285 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 17:16:50,285 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 17:16:50,285 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:16:50,285 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:16:50,285 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 17:16:50,285 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 17:16:50,285 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 17:16:50,286 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 17:16:50,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 17:16:50,286 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 17:16:50,286 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 17:16:50,286 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 17:16:50,286 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 17:16:50,286 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 17:16:50,286 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 17:16:50,286 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 17:16:50,287 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 17:16:50,287 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 17:16:50,287 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 17:16:50,287 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 17:16:50,287 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 17:16:50,287 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 17:16:50,287 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 17:16:50,287 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 17:16:50,287 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 17:16:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 17:16:50,288 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 17:16:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 17:16:50,288 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 17:16:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 17:16:50,288 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 17:16:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 17:16:50,288 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 17:16:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 17:16:50,289 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 17:16:50,289 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 17:16:50,289 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 17:16:50,289 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 17:16:50,289 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 17:16:50,289 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 17:16:50,289 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 17:16:50,289 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 17:16:50,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 17:16:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 17:16:50,290 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 17:16:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 17:16:50,290 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 17:16:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 17:16:50,290 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 17:16:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 17:16:50,290 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 17:16:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 17:16:50,291 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 17:16:50,291 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 17:16:50,291 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 17:16:50,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:16:50,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:16:50,291 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 17:16:50,291 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 17:16:50,291 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 17:16:50,292 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 17:16:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:16:50,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:16:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-18 17:16:50,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-18 17:16:50,732 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:16:50,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:16:50 BoogieIcfgContainer [2018-11-18 17:16:50,733 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:16:50,734 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:16:50,734 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:16:50,736 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:16:50,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:16:49" (1/3) ... [2018-11-18 17:16:50,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67d196ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:16:50, skipping insertion in model container [2018-11-18 17:16:50,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:16:50" (2/3) ... [2018-11-18 17:16:50,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67d196ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:16:50, skipping insertion in model container [2018-11-18 17:16:50,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:16:50" (3/3) ... [2018-11-18 17:16:50,739 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product64_true-unreach-call_false-termination.cil.c [2018-11-18 17:16:50,747 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:16:50,754 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 17:16:50,768 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 17:16:50,795 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:16:50,795 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 17:16:50,795 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:16:50,795 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:16:50,795 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:16:50,795 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:16:50,795 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:16:50,796 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:16:50,812 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states. [2018-11-18 17:16:50,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 17:16:50,819 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:16:50,820 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:16:50,822 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:16:50,826 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:16:50,826 INFO L82 PathProgramCache]: Analyzing trace with hash -82147862, now seen corresponding path program 1 times [2018-11-18 17:16:50,828 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:16:50,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:16:50,860 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:16:50,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:16:50,860 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:16:50,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:16:51,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:16:51,042 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:16:51,043 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 17:16:51,043 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:16:51,047 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 17:16:51,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 17:16:51,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 17:16:51,061 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 2 states. [2018-11-18 17:16:51,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:16:51,094 INFO L93 Difference]: Finished difference Result 324 states and 403 transitions. [2018-11-18 17:16:51,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 17:16:51,095 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-18 17:16:51,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:16:51,104 INFO L225 Difference]: With dead ends: 324 [2018-11-18 17:16:51,104 INFO L226 Difference]: Without dead ends: 162 [2018-11-18 17:16:51,107 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 17:16:51,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2018-11-18 17:16:51,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2018-11-18 17:16:51,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-11-18 17:16:51,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 193 transitions. [2018-11-18 17:16:51,144 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 193 transitions. Word has length 46 [2018-11-18 17:16:51,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:16:51,145 INFO L480 AbstractCegarLoop]: Abstraction has 162 states and 193 transitions. [2018-11-18 17:16:51,145 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 17:16:51,145 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 193 transitions. [2018-11-18 17:16:51,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 17:16:51,147 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:16:51,147 INFO L375 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] [2018-11-18 17:16:51,147 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:16:51,147 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:16:51,147 INFO L82 PathProgramCache]: Analyzing trace with hash 393092562, now seen corresponding path program 1 times [2018-11-18 17:16:51,147 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:16:51,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:16:51,148 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:16:51,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:16:51,148 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:16:51,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:16:51,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:16:51,225 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:16:51,225 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:16:51,225 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:16:51,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:16:51,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:16:51,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:16:51,227 INFO L87 Difference]: Start difference. First operand 162 states and 193 transitions. Second operand 3 states. [2018-11-18 17:16:51,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:16:51,248 INFO L93 Difference]: Finished difference Result 261 states and 311 transitions. [2018-11-18 17:16:51,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:16:51,249 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 17:16:51,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:16:51,250 INFO L225 Difference]: With dead ends: 261 [2018-11-18 17:16:51,250 INFO L226 Difference]: Without dead ends: 152 [2018-11-18 17:16:51,252 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:16:51,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-11-18 17:16:51,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2018-11-18 17:16:51,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-11-18 17:16:51,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 180 transitions. [2018-11-18 17:16:51,265 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 180 transitions. Word has length 48 [2018-11-18 17:16:51,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:16:51,266 INFO L480 AbstractCegarLoop]: Abstraction has 152 states and 180 transitions. [2018-11-18 17:16:51,266 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:16:51,266 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 180 transitions. [2018-11-18 17:16:51,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 17:16:51,267 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:16:51,267 INFO L375 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] [2018-11-18 17:16:51,268 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:16:51,268 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:16:51,268 INFO L82 PathProgramCache]: Analyzing trace with hash 822323290, now seen corresponding path program 1 times [2018-11-18 17:16:51,268 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:16:51,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:16:51,269 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:16:51,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:16:51,269 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:16:51,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:16:51,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:16:51,372 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:16:51,372 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 17:16:51,372 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:16:51,373 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 17:16:51,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 17:16:51,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:16:51,375 INFO L87 Difference]: Start difference. First operand 152 states and 180 transitions. Second operand 7 states. [2018-11-18 17:16:51,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:16:51,781 INFO L93 Difference]: Finished difference Result 459 states and 561 transitions. [2018-11-18 17:16:51,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 17:16:51,781 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2018-11-18 17:16:51,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:16:51,784 INFO L225 Difference]: With dead ends: 459 [2018-11-18 17:16:51,784 INFO L226 Difference]: Without dead ends: 331 [2018-11-18 17:16:51,785 INFO L604 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 [2018-11-18 17:16:51,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2018-11-18 17:16:51,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 319. [2018-11-18 17:16:51,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2018-11-18 17:16:51,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 389 transitions. [2018-11-18 17:16:51,818 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 389 transitions. Word has length 53 [2018-11-18 17:16:51,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:16:51,818 INFO L480 AbstractCegarLoop]: Abstraction has 319 states and 389 transitions. [2018-11-18 17:16:51,818 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 17:16:51,818 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 389 transitions. [2018-11-18 17:16:51,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 17:16:51,820 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:16:51,821 INFO L375 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] [2018-11-18 17:16:51,821 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:16:51,821 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:16:51,821 INFO L82 PathProgramCache]: Analyzing trace with hash 226793869, now seen corresponding path program 1 times [2018-11-18 17:16:51,821 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:16:51,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:16:51,822 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:16:51,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:16:51,823 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:16:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:16:51,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:16:51,903 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:16:51,903 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 17:16:51,903 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:16:51,903 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:16:51,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:16:51,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:16:51,904 INFO L87 Difference]: Start difference. First operand 319 states and 389 transitions. Second operand 6 states. [2018-11-18 17:16:52,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:16:52,105 INFO L93 Difference]: Finished difference Result 894 states and 1115 transitions. [2018-11-18 17:16:52,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 17:16:52,106 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2018-11-18 17:16:52,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:16:52,109 INFO L225 Difference]: With dead ends: 894 [2018-11-18 17:16:52,109 INFO L226 Difference]: Without dead ends: 599 [2018-11-18 17:16:52,110 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:16:52,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2018-11-18 17:16:52,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 593. [2018-11-18 17:16:52,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 593 states. [2018-11-18 17:16:52,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 728 transitions. [2018-11-18 17:16:52,149 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 728 transitions. Word has length 58 [2018-11-18 17:16:52,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:16:52,149 INFO L480 AbstractCegarLoop]: Abstraction has 593 states and 728 transitions. [2018-11-18 17:16:52,149 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:16:52,149 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 728 transitions. [2018-11-18 17:16:52,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 17:16:52,151 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:16:52,151 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:16:52,152 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:16:52,152 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:16:52,152 INFO L82 PathProgramCache]: Analyzing trace with hash -1051653519, now seen corresponding path program 1 times [2018-11-18 17:16:52,152 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:16:52,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:16:52,153 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:16:52,153 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:16:52,153 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:16:52,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:16:52,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:16:52,222 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:16:52,223 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 17:16:52,223 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:16:52,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:16:52,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:16:52,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:16:52,224 INFO L87 Difference]: Start difference. First operand 593 states and 728 transitions. Second operand 6 states. [2018-11-18 17:16:52,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:16:52,415 INFO L93 Difference]: Finished difference Result 1404 states and 1784 transitions. [2018-11-18 17:16:52,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 17:16:52,416 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-11-18 17:16:52,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:16:52,419 INFO L225 Difference]: With dead ends: 1404 [2018-11-18 17:16:52,419 INFO L226 Difference]: Without dead ends: 835 [2018-11-18 17:16:52,421 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:16:52,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2018-11-18 17:16:52,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 817. [2018-11-18 17:16:52,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 817 states. [2018-11-18 17:16:52,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 817 states and 993 transitions. [2018-11-18 17:16:52,457 INFO L78 Accepts]: Start accepts. Automaton has 817 states and 993 transitions. Word has length 62 [2018-11-18 17:16:52,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:16:52,457 INFO L480 AbstractCegarLoop]: Abstraction has 817 states and 993 transitions. [2018-11-18 17:16:52,457 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:16:52,457 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 993 transitions. [2018-11-18 17:16:52,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 17:16:52,459 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:16:52,459 INFO L375 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] [2018-11-18 17:16:52,460 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:16:52,460 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:16:52,460 INFO L82 PathProgramCache]: Analyzing trace with hash -858740224, now seen corresponding path program 1 times [2018-11-18 17:16:52,460 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:16:52,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:16:52,461 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:16:52,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:16:52,461 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:16:52,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:16:52,521 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:16:52,522 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:16:52,522 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 17:16:52,522 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:16:52,522 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:16:52,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:16:52,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:16:52,523 INFO L87 Difference]: Start difference. First operand 817 states and 993 transitions. Second operand 6 states. [2018-11-18 17:16:52,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:16:52,559 INFO L93 Difference]: Finished difference Result 1638 states and 2066 transitions. [2018-11-18 17:16:52,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 17:16:52,560 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 105 [2018-11-18 17:16:52,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:16:52,563 INFO L225 Difference]: With dead ends: 1638 [2018-11-18 17:16:52,563 INFO L226 Difference]: Without dead ends: 845 [2018-11-18 17:16:52,564 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:16:52,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2018-11-18 17:16:52,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 837. [2018-11-18 17:16:52,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 837 states. [2018-11-18 17:16:52,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 1013 transitions. [2018-11-18 17:16:52,590 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 1013 transitions. Word has length 105 [2018-11-18 17:16:52,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:16:52,590 INFO L480 AbstractCegarLoop]: Abstraction has 837 states and 1013 transitions. [2018-11-18 17:16:52,590 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:16:52,590 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1013 transitions. [2018-11-18 17:16:52,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 17:16:52,592 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:16:52,592 INFO L375 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] [2018-11-18 17:16:52,592 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:16:52,593 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:16:52,593 INFO L82 PathProgramCache]: Analyzing trace with hash -1211828606, now seen corresponding path program 1 times [2018-11-18 17:16:52,593 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:16:52,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:16:52,593 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:16:52,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:16:52,594 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:16:52,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:16:52,670 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:16:52,670 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:16:52,670 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 17:16:52,670 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:16:52,671 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 17:16:52,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 17:16:52,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 17:16:52,671 INFO L87 Difference]: Start difference. First operand 837 states and 1013 transitions. Second operand 8 states. [2018-11-18 17:16:52,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:16:52,706 INFO L93 Difference]: Finished difference Result 1678 states and 2106 transitions. [2018-11-18 17:16:52,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 17:16:52,707 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 105 [2018-11-18 17:16:52,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:16:52,709 INFO L225 Difference]: With dead ends: 1678 [2018-11-18 17:16:52,709 INFO L226 Difference]: Without dead ends: 865 [2018-11-18 17:16:52,711 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 17:16:52,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2018-11-18 17:16:52,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 853. [2018-11-18 17:16:52,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 853 states. [2018-11-18 17:16:52,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 1029 transitions. [2018-11-18 17:16:52,734 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 1029 transitions. Word has length 105 [2018-11-18 17:16:52,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:16:52,734 INFO L480 AbstractCegarLoop]: Abstraction has 853 states and 1029 transitions. [2018-11-18 17:16:52,734 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 17:16:52,734 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1029 transitions. [2018-11-18 17:16:52,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 17:16:52,735 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:16:52,736 INFO L375 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] [2018-11-18 17:16:52,736 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:16:52,736 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:16:52,736 INFO L82 PathProgramCache]: Analyzing trace with hash -78638013, now seen corresponding path program 1 times [2018-11-18 17:16:52,736 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:16:52,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:16:52,737 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:16:52,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:16:52,737 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:16:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:16:52,802 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:16:52,803 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:16:52,803 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 17:16:52,803 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:16:52,803 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 17:16:52,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 17:16:52,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 17:16:52,804 INFO L87 Difference]: Start difference. First operand 853 states and 1029 transitions. Second operand 4 states. [2018-11-18 17:16:52,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:16:52,979 INFO L93 Difference]: Finished difference Result 2753 states and 3470 transitions. [2018-11-18 17:16:52,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 17:16:52,980 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 105 [2018-11-18 17:16:52,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:16:52,985 INFO L225 Difference]: With dead ends: 2753 [2018-11-18 17:16:52,985 INFO L226 Difference]: Without dead ends: 1924 [2018-11-18 17:16:52,986 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 17:16:52,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1924 states. [2018-11-18 17:16:53,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1924 to 1893. [2018-11-18 17:16:53,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1893 states. [2018-11-18 17:16:53,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1893 states to 1893 states and 2329 transitions. [2018-11-18 17:16:53,042 INFO L78 Accepts]: Start accepts. Automaton has 1893 states and 2329 transitions. Word has length 105 [2018-11-18 17:16:53,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:16:53,043 INFO L480 AbstractCegarLoop]: Abstraction has 1893 states and 2329 transitions. [2018-11-18 17:16:53,043 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 17:16:53,043 INFO L276 IsEmpty]: Start isEmpty. Operand 1893 states and 2329 transitions. [2018-11-18 17:16:53,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 17:16:53,045 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:16:53,045 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:16:53,045 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:16:53,046 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:16:53,046 INFO L82 PathProgramCache]: Analyzing trace with hash -1774099683, now seen corresponding path program 1 times [2018-11-18 17:16:53,046 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:16:53,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:16:53,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:16:53,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:16:53,047 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:16:53,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:16:53,157 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 17:16:53,158 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:16:53,158 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:16:53,158 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 110 with the following transitions: [2018-11-18 17:16:53,160 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [33], [36], [46], [47], [59], [62], [64], [65], [68], [72], [73], [74], [89], [92], [94], [98], [104], [108], [112], [115], [120], [123], [128], [134], [140], [148], [149], [152], [153], [154], [156], [161], [164], [165], [167], [172], [174], [175], [180], [182], [188], [192], [226], [227], [235], [241], [244], [246], [249], [259], [262], [266], [267], [270], [272], [275], [277], [280], [289], [290], [291], [292], [293], [294], [295], [296], [297], [305], [306], [311], [313], [314], [321], [322], [323], [324], [325], [326], [331], [335], [336], [337], [338], [339], [340], [343], [344], [345], [351], [352], [353], [355], [356], [357], [358], [363], [364], [365], [366], [367] [2018-11-18 17:16:53,185 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:16:53,185 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:16:53,572 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 17:16:53,573 INFO L272 AbstractInterpreter]: Visited 81 different actions 81 times. Never merged. Never widened. Performed 2643 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2643 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-11-18 17:16:53,578 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:16:53,578 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 17:16:53,782 INFO L227 lantSequenceWeakener]: Weakened 79 states. On average, predicates are now at 97.29% of their original sizes. [2018-11-18 17:16:53,782 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 17:16:53,861 INFO L415 sIntCurrentIteration]: We unified 108 AI predicates to 108 [2018-11-18 17:16:53,861 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 17:16:53,862 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:16:53,862 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [13] total 26 [2018-11-18 17:16:53,862 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:16:53,863 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 17:16:53,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 17:16:53,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2018-11-18 17:16:53,863 INFO L87 Difference]: Start difference. First operand 1893 states and 2329 transitions. Second operand 15 states. [2018-11-18 17:16:56,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:16:56,895 INFO L93 Difference]: Finished difference Result 4134 states and 5116 transitions. [2018-11-18 17:16:56,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-11-18 17:16:56,896 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 109 [2018-11-18 17:16:56,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:16:56,901 INFO L225 Difference]: With dead ends: 4134 [2018-11-18 17:16:56,901 INFO L226 Difference]: Without dead ends: 2265 [2018-11-18 17:16:56,904 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 120 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=578, Unknown=0, NotChecked=0, Total=702 [2018-11-18 17:16:56,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2265 states. [2018-11-18 17:16:56,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2265 to 2246. [2018-11-18 17:16:56,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2246 states. [2018-11-18 17:16:56,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2246 states to 2246 states and 2671 transitions. [2018-11-18 17:16:56,959 INFO L78 Accepts]: Start accepts. Automaton has 2246 states and 2671 transitions. Word has length 109 [2018-11-18 17:16:56,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:16:56,960 INFO L480 AbstractCegarLoop]: Abstraction has 2246 states and 2671 transitions. [2018-11-18 17:16:56,960 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 17:16:56,960 INFO L276 IsEmpty]: Start isEmpty. Operand 2246 states and 2671 transitions. [2018-11-18 17:16:56,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-18 17:16:56,964 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:16:56,964 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:16:56,964 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:16:56,964 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:16:56,965 INFO L82 PathProgramCache]: Analyzing trace with hash 1947336463, now seen corresponding path program 1 times [2018-11-18 17:16:56,965 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:16:56,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:16:56,965 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:16:56,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:16:56,966 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:16:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:16:57,066 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-18 17:16:57,066 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:16:57,066 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:16:57,067 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 181 with the following transitions: [2018-11-18 17:16:57,067 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [29], [33], [36], [46], [47], [48], [50], [53], [57], [58], [59], [62], [64], [65], [68], [72], [73], [74], [77], [79], [85], [89], [92], [93], [94], [98], [104], [108], [112], [115], [118], [120], [123], [126], [128], [134], [140], [148], [149], [150], [151], [152], [153], [154], [156], [161], [164], [165], [167], [172], [174], [175], [180], [182], [185], [188], [192], [198], [226], [227], [230], [234], [235], [241], [244], [246], [249], [256], [259], [262], [266], [267], [270], [272], [275], [277], [280], [286], [288], [289], [290], [291], [292], [293], [294], [295], [296], [297], [299], [300], [303], [304], [305], [306], [309], [310], [311], [313], [314], [315], [316], [319], [320], [321], [322], [323], [324], [325], [326], [331], [332], [335], [336], [337], [338], [339], [340], [341], [342], [343], [344], [345], [346], [351], [352], [353], [355], [356], [357], [358], [361], [362], [363], [364], [365], [366], [367] [2018-11-18 17:16:57,070 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:16:57,070 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:16:58,677 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:16:58,677 INFO L272 AbstractInterpreter]: Visited 146 different actions 1068 times. Merged at 22 different actions 80 times. Never widened. Performed 37858 root evaluator evaluations with a maximum evaluation depth of 5. Performed 37858 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 18 fixpoints after 6 different actions. Largest state had 133 variables. [2018-11-18 17:16:58,679 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:16:58,679 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:16:58,680 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:16:58,680 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_415ae5aa-5cd1-4feb-aea0-22be7f5ffc79/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 [2018-11-18 17:16:58,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:16:58,697 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:16:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:16:58,785 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:16:58,915 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 17:16:58,915 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:16:59,262 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-18 17:16:59,279 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 17:16:59,279 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-11-18 17:16:59,279 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:16:59,279 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 17:16:59,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 17:16:59,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-18 17:16:59,280 INFO L87 Difference]: Start difference. First operand 2246 states and 2671 transitions. Second operand 8 states. [2018-11-18 17:16:59,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:16:59,468 INFO L93 Difference]: Finished difference Result 3526 states and 4267 transitions. [2018-11-18 17:16:59,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 17:16:59,469 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 180 [2018-11-18 17:16:59,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:16:59,470 INFO L225 Difference]: With dead ends: 3526 [2018-11-18 17:16:59,470 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 17:16:59,474 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 345 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-18 17:16:59,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 17:16:59,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 17:16:59,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 17:16:59,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 17:16:59,475 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 180 [2018-11-18 17:16:59,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:16:59,475 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 17:16:59,475 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 17:16:59,475 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 17:16:59,475 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:16:59,479 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 17:16:59,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:16:59,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:16:59,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:16:59,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:16:59,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:16:59,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:16:59,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:16:59,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:16:59,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:00,789 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 39 [2018-11-18 17:17:01,289 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 36 [2018-11-18 17:17:02,071 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 37 [2018-11-18 17:17:02,243 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 28 [2018-11-18 17:17:02,277 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2018-11-18 17:17:02,277 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2018-11-18 17:17:02,278 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2018-11-18 17:17:02,278 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2018-11-18 17:17:02,278 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2018-11-18 17:17:02,278 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 558 580) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 17:17:02,278 INFO L421 ceAbstractionStarter]: At program point L570(line 570) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 17:17:02,278 INFO L421 ceAbstractionStarter]: At program point L570-1(line 570) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 17:17:02,278 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 558 580) no Hoare annotation was computed. [2018-11-18 17:17:02,278 INFO L425 ceAbstractionStarter]: For program point L568(lines 568 575) no Hoare annotation was computed. [2018-11-18 17:17:02,278 INFO L425 ceAbstractionStarter]: For program point L568-1(lines 568 575) no Hoare annotation was computed. [2018-11-18 17:17:02,278 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-18 17:17:02,279 INFO L421 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 17:17:02,279 INFO L421 ceAbstractionStarter]: At program point L564(line 564) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 17:17:02,279 INFO L421 ceAbstractionStarter]: At program point L564-1(line 564) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 17:17:02,279 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 558 580) no Hoare annotation was computed. [2018-11-18 17:17:02,279 INFO L421 ceAbstractionStarter]: At program point L670(line 670) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-18 17:17:02,279 INFO L425 ceAbstractionStarter]: For program point L670-1(lines 651 675) no Hoare annotation was computed. [2018-11-18 17:17:02,279 INFO L421 ceAbstractionStarter]: At program point L665(line 665) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-18 17:17:02,279 INFO L421 ceAbstractionStarter]: At program point L661(line 661) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-18 17:17:02,279 INFO L425 ceAbstractionStarter]: For program point L659(lines 659 667) no Hoare annotation was computed. [2018-11-18 17:17:02,280 INFO L421 ceAbstractionStarter]: At program point L657(line 657) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-18 17:17:02,280 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 651 675) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-18 17:17:02,280 INFO L425 ceAbstractionStarter]: For program point L657-1(line 657) no Hoare annotation was computed. [2018-11-18 17:17:02,280 INFO L425 ceAbstractionStarter]: For program point L655(lines 655 672) no Hoare annotation was computed. [2018-11-18 17:17:02,280 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 651 675) no Hoare annotation was computed. [2018-11-18 17:17:02,280 INFO L425 ceAbstractionStarter]: For program point L833(lines 833 839) no Hoare annotation was computed. [2018-11-18 17:17:02,280 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 829 843) no Hoare annotation was computed. [2018-11-18 17:17:02,280 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 829 843) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= |old(~systemActive~0)| 0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~systemActive~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse6 (= ~systemActive~0 1)) (.cse7 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 (or .cse1 .cse2)) (or .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse2) (or .cse4 .cse0 .cse1) (or .cse5 .cse2 .cse3) (or .cse4 .cse6 .cse7))) [2018-11-18 17:17:02,280 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 829 843) no Hoare annotation was computed. [2018-11-18 17:17:02,280 INFO L421 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (let ((.cse3 (= |old(~systemActive~0)| 0)) (.cse2 (not (= ~systemActive~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= ~systemActive~0 1)) (.cse5 (not (= |old(~systemActive~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1) (or .cse2 .cse0 .cse3) (or .cse4 .cse5 .cse6) (or .cse3 .cse6 .cse2) (or .cse0 .cse4 .cse5) (or .cse1 .cse6))) [2018-11-18 17:17:02,280 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 746 754) no Hoare annotation was computed. [2018-11-18 17:17:02,280 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 746 754) the Hoare annotation is: true [2018-11-18 17:17:02,280 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 746 754) no Hoare annotation was computed. [2018-11-18 17:17:02,280 INFO L428 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: true [2018-11-18 17:17:02,280 INFO L425 ceAbstractionStarter]: For program point L819-2(lines 819 823) no Hoare annotation was computed. [2018-11-18 17:17:02,280 INFO L425 ceAbstractionStarter]: For program point L817-1(line 817) no Hoare annotation was computed. [2018-11-18 17:17:02,280 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 810 828) the Hoare annotation is: true [2018-11-18 17:17:02,281 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 810 828) no Hoare annotation was computed. [2018-11-18 17:17:02,281 INFO L425 ceAbstractionStarter]: For program point L819(lines 819 823) no Hoare annotation was computed. [2018-11-18 17:17:02,281 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 810 828) no Hoare annotation was computed. [2018-11-18 17:17:02,281 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2018-11-18 17:17:02,281 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2018-11-18 17:17:02,281 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 548 557) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 17:17:02,281 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 548 557) no Hoare annotation was computed. [2018-11-18 17:17:02,281 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 548 557) no Hoare annotation was computed. [2018-11-18 17:17:02,281 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 735 745) the Hoare annotation is: true [2018-11-18 17:17:02,281 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 735 745) no Hoare annotation was computed. [2018-11-18 17:17:02,281 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 735 745) no Hoare annotation was computed. [2018-11-18 17:17:02,281 INFO L428 ceAbstractionStarter]: At program point L740(line 740) the Hoare annotation is: true [2018-11-18 17:17:02,281 INFO L425 ceAbstractionStarter]: For program point L740-1(line 740) no Hoare annotation was computed. [2018-11-18 17:17:02,281 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 727 734) the Hoare annotation is: true [2018-11-18 17:17:02,281 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 727 734) no Hoare annotation was computed. [2018-11-18 17:17:02,281 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 727 734) no Hoare annotation was computed. [2018-11-18 17:17:02,281 INFO L425 ceAbstractionStarter]: For program point L937(lines 937 943) no Hoare annotation was computed. [2018-11-18 17:17:02,281 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 933 946) no Hoare annotation was computed. [2018-11-18 17:17:02,281 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 933 946) the Hoare annotation is: true [2018-11-18 17:17:02,281 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 933 946) no Hoare annotation was computed. [2018-11-18 17:17:02,281 INFO L421 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-18 17:17:02,281 INFO L425 ceAbstractionStarter]: For program point L696-1(lines 677 701) no Hoare annotation was computed. [2018-11-18 17:17:02,281 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 677 701) no Hoare annotation was computed. [2018-11-18 17:17:02,282 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 677 701) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-18 17:17:02,282 INFO L421 ceAbstractionStarter]: At program point L691(line 691) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0))) [2018-11-18 17:17:02,282 INFO L421 ceAbstractionStarter]: At program point L687(line 687) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse2 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~7) .cse1) (or .cse2 .cse0 .cse1))) [2018-11-18 17:17:02,282 INFO L425 ceAbstractionStarter]: For program point L685(lines 685 693) no Hoare annotation was computed. [2018-11-18 17:17:02,282 INFO L421 ceAbstractionStarter]: At program point L683(line 683) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-18 17:17:02,282 INFO L425 ceAbstractionStarter]: For program point L683-1(line 683) no Hoare annotation was computed. [2018-11-18 17:17:02,282 INFO L425 ceAbstractionStarter]: For program point L681(lines 681 698) no Hoare annotation was computed. [2018-11-18 17:17:02,282 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 617 623) no Hoare annotation was computed. [2018-11-18 17:17:02,282 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 617 623) the Hoare annotation is: true [2018-11-18 17:17:02,282 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 957 1024) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 17:17:02,282 INFO L421 ceAbstractionStarter]: At program point L989(line 989) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~methaneLevelCritical~0 1) .cse1) (and .cse2 (not (= ~systemActive~0 0)) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse2 .cse0 .cse1))) [2018-11-18 17:17:02,282 INFO L425 ceAbstractionStarter]: For program point L987(lines 987 993) no Hoare annotation was computed. [2018-11-18 17:17:02,282 INFO L425 ceAbstractionStarter]: For program point L987-1(lines 987 993) no Hoare annotation was computed. [2018-11-18 17:17:02,282 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 957 1024) no Hoare annotation was computed. [2018-11-18 17:17:02,282 INFO L421 ceAbstractionStarter]: At program point L1014(lines 967 1016) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~methaneLevelCritical~0 1) .cse1) (and .cse2 (not (= ~systemActive~0 0)) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse2 .cse0 .cse1))) [2018-11-18 17:17:02,282 INFO L421 ceAbstractionStarter]: At program point L979(line 979) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= ~systemActive~0 0)) .cse1) (and .cse2 (= ~methaneLevelCritical~0 1) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse1))) [2018-11-18 17:17:02,282 INFO L425 ceAbstractionStarter]: For program point L977(lines 977 983) no Hoare annotation was computed. [2018-11-18 17:17:02,282 INFO L425 ceAbstractionStarter]: For program point L977-1(lines 977 983) no Hoare annotation was computed. [2018-11-18 17:17:02,282 INFO L425 ceAbstractionStarter]: For program point L969(lines 969 973) no Hoare annotation was computed. [2018-11-18 17:17:02,282 INFO L425 ceAbstractionStarter]: For program point L967-1(lines 967 1016) no Hoare annotation was computed. [2018-11-18 17:17:02,283 INFO L421 ceAbstractionStarter]: At program point L1017(lines 966 1018) 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))) [2018-11-18 17:17:02,283 INFO L421 ceAbstractionStarter]: At program point L1007(line 1007) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= ~systemActive~0 0))) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse3 .cse1 .cse2) (and .cse4 .cse0 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse3 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 17:17:02,283 INFO L425 ceAbstractionStarter]: For program point L1005(lines 1005 1011) no Hoare annotation was computed. [2018-11-18 17:17:02,283 INFO L421 ceAbstractionStarter]: At program point L1005-1(lines 997 1012) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 0))) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse1 .cse2) (and .cse3 .cse0 .cse2))) [2018-11-18 17:17:02,283 INFO L425 ceAbstractionStarter]: For program point L968(lines 967 1016) no Hoare annotation was computed. [2018-11-18 17:17:02,283 INFO L421 ceAbstractionStarter]: At program point L999(line 999) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= |old(~systemActive~0)| 1)) (and (= ~methaneLevelCritical~0 1) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 17:17:02,283 INFO L425 ceAbstractionStarter]: For program point L997(lines 997 1012) no Hoare annotation was computed. [2018-11-18 17:17:02,283 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 957 1024) no Hoare annotation was computed. [2018-11-18 17:17:02,283 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 702 709) the Hoare annotation is: (or (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 17:17:02,283 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 702 709) no Hoare annotation was computed. [2018-11-18 17:17:02,283 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 702 709) no Hoare annotation was computed. [2018-11-18 17:17:02,283 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 947 955) no Hoare annotation was computed. [2018-11-18 17:17:02,283 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 947 955) the Hoare annotation is: true [2018-11-18 17:17:02,283 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 947 955) no Hoare annotation was computed. [2018-11-18 17:17:02,283 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:17:02,283 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 17:17:02,283 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:17:02,283 INFO L421 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 17:17:02,283 INFO L425 ceAbstractionStarter]: For program point L721-1(lines 710 726) no Hoare annotation was computed. [2018-11-18 17:17:02,283 INFO L425 ceAbstractionStarter]: For program point L717(lines 717 723) no Hoare annotation was computed. [2018-11-18 17:17:02,284 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 710 726) no Hoare annotation was computed. [2018-11-18 17:17:02,284 INFO L421 ceAbstractionStarter]: At program point L715(line 715) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse3 .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 17:17:02,284 INFO L425 ceAbstractionStarter]: For program point L715-1(line 715) no Hoare annotation was computed. [2018-11-18 17:17:02,284 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 710 726) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse3 .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 17:17:02,284 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 791 809) no Hoare annotation was computed. [2018-11-18 17:17:02,284 INFO L425 ceAbstractionStarter]: For program point L800(lines 800 804) no Hoare annotation was computed. [2018-11-18 17:17:02,284 INFO L428 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: true [2018-11-18 17:17:02,284 INFO L425 ceAbstractionStarter]: For program point L800-2(lines 800 804) no Hoare annotation was computed. [2018-11-18 17:17:02,284 INFO L425 ceAbstractionStarter]: For program point L798-1(line 798) no Hoare annotation was computed. [2018-11-18 17:17:02,284 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 791 809) the Hoare annotation is: true [2018-11-18 17:17:02,284 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 791 809) no Hoare annotation was computed. [2018-11-18 17:17:02,284 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 880 891) the Hoare annotation is: (let ((.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or (= ~systemActive~0 0) .cse2 .cse0) (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse1 (= ~methaneLevelCritical~0 1)))) [2018-11-18 17:17:02,284 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 880 891) no Hoare annotation was computed. [2018-11-18 17:17:02,284 INFO L425 ceAbstractionStarter]: For program point L884-1(lines 880 891) no Hoare annotation was computed. [2018-11-18 17:17:02,284 INFO L421 ceAbstractionStarter]: At program point L606(line 606) the Hoare annotation is: (let ((.cse8 (= |old(~waterLevel~0)| 1)) (.cse9 (= 0 ~pumpRunning~0)) (.cse10 (not (= ~systemActive~0 0)))) (let ((.cse0 (and .cse9 (= 1 ~waterLevel~0) .cse10)) (.cse3 (not .cse8)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (and .cse9 .cse10 (not (= ~waterLevel~0 1)))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= ~waterLevel~0 2)) (.cse6 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 (not (= ~systemActive~0 1)) .cse5 .cse6) (or .cse7 .cse8 .cse2 .cse5) (or .cse2 .cse0 .cse3 .cse5) (or .cse1 .cse8 .cse2 .cse7) (or .cse1 .cse2 .cse4 .cse6)))) [2018-11-18 17:17:02,284 INFO L421 ceAbstractionStarter]: At program point L604(lines 604 610) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| 1))) (let ((.cse1 (= 1 ~waterLevel~0)) (.cse2 (not .cse6)) (.cse5 (= 0 ~pumpRunning~0)) (.cse8 (= ~systemActive~0 0)) (.cse7 (not (= ~waterLevel~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5) (or .cse4 .cse6 .cse0 .cse7) (or .cse6 .cse0 .cse7 .cse3) (or .cse4 .cse8 .cse5) (or .cse4 .cse0 .cse1 .cse2) (or .cse5 .cse0 (and (not .cse8) .cse7) .cse3) (or .cse4 .cse0 (= ~waterLevel~0 2) (not (= |old(~waterLevel~0)| 2)))))) [2018-11-18 17:17:02,284 INFO L421 ceAbstractionStarter]: At program point L599(line 599) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 17:17:02,284 INFO L425 ceAbstractionStarter]: For program point L597(lines 596 615) no Hoare annotation was computed. [2018-11-18 17:17:02,285 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 593 616) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| 1))) (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~waterLevel~0)) (.cse3 (not .cse6)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse8 (= ~systemActive~0 0)) (.cse7 (not (= ~waterLevel~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (= ~waterLevel~0 2)) (.cse10 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and .cse1 .cse2) .cse3 .cse4) (or .cse5 .cse0 .cse1) (or .cse5 .cse6 .cse0 .cse7) (or .cse6 .cse8 .cse7 .cse4) (or .cse6 .cse0 (and .cse1 .cse7) .cse4) (or .cse5 .cse0 .cse2 .cse3) (or .cse0 .cse9 (not (= ~systemActive~0 1)) .cse4 .cse10) (or .cse5 .cse6 .cse8 .cse7) (or .cse5 .cse0 .cse9 .cse10)))) [2018-11-18 17:17:02,285 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 593 616) no Hoare annotation was computed. [2018-11-18 17:17:02,285 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 593 616) no Hoare annotation was computed. [2018-11-18 17:17:02,285 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 483 512) no Hoare annotation was computed. [2018-11-18 17:17:02,285 INFO L428 ceAbstractionStarter]: At program point L508(lines 483 512) the Hoare annotation is: true [2018-11-18 17:17:02,285 INFO L425 ceAbstractionStarter]: For program point L504(line 504) no Hoare annotation was computed. [2018-11-18 17:17:02,285 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-18 17:17:02,285 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 483 512) the Hoare annotation is: true [2018-11-18 17:17:02,285 INFO L425 ceAbstractionStarter]: For program point L497(lines 497 501) no Hoare annotation was computed. [2018-11-18 17:17:02,285 INFO L428 ceAbstractionStarter]: At program point L497-1(lines 497 501) the Hoare annotation is: true [2018-11-18 17:17:02,285 INFO L425 ceAbstractionStarter]: For program point L493-1(lines 493 507) no Hoare annotation was computed. [2018-11-18 17:17:02,285 INFO L428 ceAbstractionStarter]: At program point L493-3(lines 493 507) the Hoare annotation is: true [2018-11-18 17:17:02,285 INFO L428 ceAbstractionStarter]: At program point L489(line 489) the Hoare annotation is: true [2018-11-18 17:17:02,285 INFO L425 ceAbstractionStarter]: For program point L489-1(line 489) no Hoare annotation was computed. [2018-11-18 17:17:02,285 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 892 900) the Hoare annotation is: true [2018-11-18 17:17:02,285 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 892 900) no Hoare annotation was computed. [2018-11-18 17:17:02,285 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 892 900) no Hoare annotation was computed. [2018-11-18 17:17:02,285 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 856 867) the Hoare annotation is: true [2018-11-18 17:17:02,285 INFO L425 ceAbstractionStarter]: For program point L860-1(lines 856 867) no Hoare annotation was computed. [2018-11-18 17:17:02,286 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 856 867) no Hoare annotation was computed. [2018-11-18 17:17:02,286 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 540 546) no Hoare annotation was computed. [2018-11-18 17:17:02,286 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 540 546) the Hoare annotation is: true [2018-11-18 17:17:02,286 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:17:02,286 INFO L421 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)) [2018-11-18 17:17:02,286 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 17:17:02,286 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:17:02,286 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 844 851) no Hoare annotation was computed. [2018-11-18 17:17:02,286 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 844 851) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~systemActive~0 1)) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or .cse1 .cse0 .cse2 .cse3 (not (= ~waterLevel~0 2))))) [2018-11-18 17:17:02,286 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 844 851) no Hoare annotation was computed. [2018-11-18 17:17:02,286 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 625 649) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-18 17:17:02,286 INFO L421 ceAbstractionStarter]: At program point L639(line 639) the Hoare annotation is: (let ((.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= 0 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-18 17:17:02,286 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 625 649) no Hoare annotation was computed. [2018-11-18 17:17:02,286 INFO L421 ceAbstractionStarter]: At program point L635(line 635) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (and (= 0 ~pumpRunning~0) (not (= ~waterLevel~0 1))))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2018-11-18 17:17:02,286 INFO L425 ceAbstractionStarter]: For program point L633(lines 633 641) no Hoare annotation was computed. [2018-11-18 17:17:02,286 INFO L421 ceAbstractionStarter]: At program point L631(line 631) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-18 17:17:02,286 INFO L425 ceAbstractionStarter]: For program point L631-1(line 631) no Hoare annotation was computed. [2018-11-18 17:17:02,286 INFO L425 ceAbstractionStarter]: For program point L629(lines 629 646) no Hoare annotation was computed. [2018-11-18 17:17:02,286 INFO L421 ceAbstractionStarter]: At program point L644(line 644) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-18 17:17:02,286 INFO L425 ceAbstractionStarter]: For program point L644-1(lines 625 649) no Hoare annotation was computed. [2018-11-18 17:17:02,286 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 868 879) no Hoare annotation was computed. [2018-11-18 17:17:02,287 INFO L425 ceAbstractionStarter]: For program point L872-1(lines 868 879) no Hoare annotation was computed. [2018-11-18 17:17:02,287 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 868 879) the Hoare annotation is: (let ((.cse5 (= ~waterLevel~0 2)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (= 1 ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse1 (not (= ~systemActive~0 1)) .cse4) .cse5 .cse6) (or .cse5 .cse0 .cse1 .cse6) (or .cse1 .cse2 .cse3 .cse4))) [2018-11-18 17:17:02,287 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-18 17:17:02,287 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-18 17:17:02,287 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-18 17:17:02,287 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-18 17:17:02,287 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 110) no Hoare annotation was computed. [2018-11-18 17:17:02,287 INFO L425 ceAbstractionStarter]: For program point L97-1(lines 89 113) no Hoare annotation was computed. [2018-11-18 17:17:02,287 INFO L428 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: true [2018-11-18 17:17:02,287 INFO L425 ceAbstractionStarter]: For program point L95-1(line 95) no Hoare annotation was computed. [2018-11-18 17:17:02,287 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 89 113) the Hoare annotation is: true [2018-11-18 17:17:02,287 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 89 113) no Hoare annotation was computed. [2018-11-18 17:17:02,287 INFO L421 ceAbstractionStarter]: At program point L103(line 103) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= ~methaneLevelCritical~0 1)) .cse1) (or .cse1 .cse0))) [2018-11-18 17:17:02,287 INFO L425 ceAbstractionStarter]: For program point L101(lines 101 107) no Hoare annotation was computed. [2018-11-18 17:17:02,287 INFO L421 ceAbstractionStarter]: At program point L99(line 99) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0))) [2018-11-18 17:17:02,287 INFO L425 ceAbstractionStarter]: For program point L99-1(line 99) no Hoare annotation was computed. [2018-11-18 17:17:02,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 05:17:02 BoogieIcfgContainer [2018-11-18 17:17:02,297 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 17:17:02,298 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:17:02,298 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:17:02,298 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:17:02,298 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:16:50" (3/4) ... [2018-11-18 17:17:02,309 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:17:02,314 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 17:17:02,314 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 17:17:02,314 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 17:17:02,314 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 17:17:02,315 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 17:17:02,315 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 17:17:02,315 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 17:17:02,315 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 17:17:02,315 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 17:17:02,315 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 17:17:02,315 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 17:17:02,315 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 17:17:02,315 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 17:17:02,315 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 17:17:02,315 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 17:17:02,315 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-18 17:17:02,315 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 17:17:02,316 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 17:17:02,316 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 17:17:02,316 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 17:17:02,316 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 17:17:02,316 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 17:17:02,316 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 17:17:02,316 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 17:17:02,316 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 17:17:02,316 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 17:17:02,317 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 17:17:02,317 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 17:17:02,317 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 17:17:02,317 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 17:17:02,317 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-18 17:17:02,329 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2018-11-18 17:17:02,330 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 17:17:02,330 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 17:17:02,355 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) [2018-11-18 17:17:02,355 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 17:17:02,392 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_415ae5aa-5cd1-4feb-aea0-22be7f5ffc79/bin-2019/utaipan/witness.graphml [2018-11-18 17:17:02,392 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:17:02,393 INFO L168 Benchmark]: Toolchain (without parser) took 12564.62 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 735.1 MB). Free memory was 951.0 MB in the beginning and 814.2 MB in the end (delta: 136.8 MB). Peak memory consumption was 871.9 MB. Max. memory is 11.5 GB. [2018-11-18 17:17:02,393 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:17:02,393 INFO L168 Benchmark]: CACSL2BoogieTranslator took 354.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 951.0 MB in the beginning and 1.2 GB in the end (delta: -200.7 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. [2018-11-18 17:17:02,393 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:17:02,394 INFO L168 Benchmark]: Boogie Preprocessor took 30.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:17:02,394 INFO L168 Benchmark]: RCFGBuilder took 498.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 62.0 MB). Peak memory consumption was 62.0 MB. Max. memory is 11.5 GB. [2018-11-18 17:17:02,394 INFO L168 Benchmark]: TraceAbstraction took 11563.11 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 570.9 MB). Free memory was 1.1 GB in the beginning and 814.2 MB in the end (delta: 272.2 MB). Peak memory consumption was 852.1 MB. Max. memory is 11.5 GB. [2018-11-18 17:17:02,394 INFO L168 Benchmark]: Witness Printer took 94.14 ms. Allocated memory is still 1.8 GB. Free memory was 814.2 MB in the beginning and 814.2 MB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2018-11-18 17:17:02,396 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 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 354.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 951.0 MB in the beginning and 1.2 GB in the end (delta: -200.7 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 498.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 62.0 MB). Peak memory consumption was 62.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11563.11 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 570.9 MB). Free memory was 1.1 GB in the beginning and 814.2 MB in the end (delta: 272.2 MB). Peak memory consumption was 852.1 MB. Max. memory is 11.5 GB. * Witness Printer took 94.14 ms. Allocated memory is still 1.8 GB. Free memory was 814.2 MB in the beginning and 814.2 MB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 966]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 483]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: (((((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 175 locations, 1 error locations. SAFE Result, 11.5s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 4.4s AutomataDifference, 0.0s DeadEndRemovalTime, 2.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 2475 SDtfs, 1390 SDslu, 6796 SDs, 0 SdLazy, 1519 SolverSat, 105 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 558 GetRequests, 468 SyntacticMatches, 6 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2246occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.0s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.9968775999424587 AbsIntWeakeningRatio, 1.0185185185185186 AbsIntAvgWeakeningVarsNumRemoved, 82.94444444444444 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 106 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 73 LocationsWithAnnotation, 3926 PreInvPairs, 4203 NumberOfFragments, 1907 HoareAnnotationTreeSize, 3926 FomulaSimplifications, 4134 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 73 FomulaSimplificationsInter, 22094 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1051 NumberOfCodeBlocks, 1051 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1219 ConstructedInterpolants, 0 QuantifiedInterpolants, 221105 SizeOfPredicates, 3 NumberOfNonLiveVariables, 852 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 168/174 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...