./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product59_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_809247fe-59e7-464d-b336-18989b29da51/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_809247fe-59e7-464d-b336-18989b29da51/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_809247fe-59e7-464d-b336-18989b29da51/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_809247fe-59e7-464d-b336-18989b29da51/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product59_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_809247fe-59e7-464d-b336-18989b29da51/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_809247fe-59e7-464d-b336-18989b29da51/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 216d00aaae39a5385dce6e868b43ee8cd776a043 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 12:43:56,863 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:43:56,864 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:43:56,870 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:43:56,870 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:43:56,871 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:43:56,871 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:43:56,873 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:43:56,874 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:43:56,874 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:43:56,875 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:43:56,875 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:43:56,876 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:43:56,876 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:43:56,877 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:43:56,877 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:43:56,878 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:43:56,879 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:43:56,880 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:43:56,882 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:43:56,882 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:43:56,883 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:43:56,885 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:43:56,885 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:43:56,885 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:43:56,886 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:43:56,886 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:43:56,887 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:43:56,887 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:43:56,888 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:43:56,888 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:43:56,889 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:43:56,889 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:43:56,889 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:43:56,889 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:43:56,890 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:43:56,890 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_809247fe-59e7-464d-b336-18989b29da51/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 12:43:56,900 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:43:56,900 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:43:56,901 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:43:56,901 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 12:43:56,901 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 12:43:56,901 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 12:43:56,901 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 12:43:56,901 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 12:43:56,902 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 12:43:56,902 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 12:43:56,902 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 12:43:56,902 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 12:43:56,902 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 12:43:56,902 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:43:56,903 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:43:56,903 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:43:56,903 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:43:56,903 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:43:56,903 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:43:56,903 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:43:56,903 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:43:56,903 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:43:56,904 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:43:56,904 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:43:56,904 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:43:56,904 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:43:56,904 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 12:43:56,904 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:43:56,904 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 12:43:56,904 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:43:56,904 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:43:56,904 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:43:56,905 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:43:56,905 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 12:43:56,905 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:43:56,905 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 12:43:56,905 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 12:43:56,905 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_809247fe-59e7-464d-b336-18989b29da51/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 -> 216d00aaae39a5385dce6e868b43ee8cd776a043 [2018-11-23 12:43:56,927 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:43:56,935 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:43:56,937 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:43:56,938 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:43:56,938 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:43:56,938 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_809247fe-59e7-464d-b336-18989b29da51/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product59_true-unreach-call_false-termination.cil.c [2018-11-23 12:43:56,975 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_809247fe-59e7-464d-b336-18989b29da51/bin-2019/utaipan/data/bfe87f754/caa5330f7c8242e8b5acf2e3df72dca5/FLAGd93f282b6 [2018-11-23 12:43:57,317 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:43:57,318 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_809247fe-59e7-464d-b336-18989b29da51/sv-benchmarks/c/product-lines/minepump_spec1_product59_true-unreach-call_false-termination.cil.c [2018-11-23 12:43:57,327 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_809247fe-59e7-464d-b336-18989b29da51/bin-2019/utaipan/data/bfe87f754/caa5330f7c8242e8b5acf2e3df72dca5/FLAGd93f282b6 [2018-11-23 12:43:57,336 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_809247fe-59e7-464d-b336-18989b29da51/bin-2019/utaipan/data/bfe87f754/caa5330f7c8242e8b5acf2e3df72dca5 [2018-11-23 12:43:57,339 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:43:57,340 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:43:57,340 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:43:57,340 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:43:57,343 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:43:57,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:43:57" (1/1) ... [2018-11-23 12:43:57,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2824ecd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:43:57, skipping insertion in model container [2018-11-23 12:43:57,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:43:57" (1/1) ... [2018-11-23 12:43:57,351 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:43:57,382 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:43:57,586 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:43:57,596 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:43:57,697 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:43:57,714 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:43:57,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:43:57 WrapperNode [2018-11-23 12:43:57,714 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:43:57,715 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:43:57,715 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:43:57,715 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:43:57,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:43:57" (1/1) ... [2018-11-23 12:43:57,733 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:43:57" (1/1) ... [2018-11-23 12:43:57,740 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:43:57,740 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:43:57,740 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:43:57,740 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:43:57,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:43:57" (1/1) ... [2018-11-23 12:43:57,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:43:57" (1/1) ... [2018-11-23 12:43:57,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:43:57" (1/1) ... [2018-11-23 12:43:57,751 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:43:57" (1/1) ... [2018-11-23 12:43:57,758 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:43:57" (1/1) ... [2018-11-23 12:43:57,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:43:57" (1/1) ... [2018-11-23 12:43:57,764 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:43:57" (1/1) ... [2018-11-23 12:43:57,766 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:43:57,766 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:43:57,766 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:43:57,766 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:43:57,767 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:43:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_809247fe-59e7-464d-b336-18989b29da51/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 [2018-11-23 12:43:57,805 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 12:43:57,805 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 12:43:57,805 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 12:43:57,806 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 12:43:57,806 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-23 12:43:57,806 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-23 12:43:57,806 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 12:43:57,806 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 12:43:57,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 12:43:57,806 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 12:43:57,806 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 12:43:57,807 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 12:43:57,807 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 12:43:57,807 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 12:43:57,807 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 12:43:57,807 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 12:43:57,807 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 12:43:57,807 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 12:43:57,807 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 12:43:57,808 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 12:43:57,808 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 12:43:57,808 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 12:43:57,808 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 12:43:57,808 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 12:43:57,808 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 12:43:57,808 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 12:43:57,808 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 12:43:57,808 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 12:43:57,809 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 12:43:57,809 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 12:43:57,809 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 12:43:57,809 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 12:43:57,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 12:43:57,809 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 12:43:57,809 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 12:43:57,809 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 12:43:57,809 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 12:43:57,809 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 12:43:57,810 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 12:43:57,810 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 12:43:57,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 12:43:57,810 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 12:43:57,810 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 12:43:57,810 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 12:43:57,810 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 12:43:57,810 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 12:43:57,810 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 12:43:57,811 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 12:43:57,811 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 12:43:57,811 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 12:43:57,811 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 12:43:57,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 12:43:57,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 12:43:57,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 12:43:57,811 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 12:43:57,811 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 12:43:57,812 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 12:43:57,812 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 12:43:57,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:43:57,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:43:57,812 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-23 12:43:57,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-23 12:43:58,225 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:43:58,225 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 12:43:58,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:43:58 BoogieIcfgContainer [2018-11-23 12:43:58,226 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:43:58,226 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 12:43:58,226 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 12:43:58,228 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 12:43:58,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:43:57" (1/3) ... [2018-11-23 12:43:58,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ce05b0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:43:58, skipping insertion in model container [2018-11-23 12:43:58,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:43:57" (2/3) ... [2018-11-23 12:43:58,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ce05b0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:43:58, skipping insertion in model container [2018-11-23 12:43:58,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:43:58" (3/3) ... [2018-11-23 12:43:58,231 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product59_true-unreach-call_false-termination.cil.c [2018-11-23 12:43:58,238 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 12:43:58,244 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 12:43:58,254 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 12:43:58,275 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 12:43:58,275 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 12:43:58,275 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 12:43:58,275 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 12:43:58,275 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 12:43:58,275 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 12:43:58,275 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 12:43:58,275 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 12:43:58,289 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states. [2018-11-23 12:43:58,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 12:43:58,295 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:43:58,295 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:43:58,297 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:43:58,302 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:43:58,303 INFO L82 PathProgramCache]: Analyzing trace with hash 752822199, now seen corresponding path program 1 times [2018-11-23 12:43:58,305 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:43:58,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:43:58,338 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:43:58,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:43:58,338 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:43:58,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:58,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:43:58,501 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:43:58,501 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 12:43:58,501 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:43:58,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 12:43:58,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 12:43:58,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 12:43:58,517 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 2 states. [2018-11-23 12:43:58,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:43:58,551 INFO L93 Difference]: Finished difference Result 292 states and 361 transitions. [2018-11-23 12:43:58,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 12:43:58,552 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-23 12:43:58,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:43:58,559 INFO L225 Difference]: With dead ends: 292 [2018-11-23 12:43:58,559 INFO L226 Difference]: Without dead ends: 146 [2018-11-23 12:43:58,562 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 12:43:58,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-11-23 12:43:58,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-11-23 12:43:58,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-11-23 12:43:58,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 172 transitions. [2018-11-23 12:43:58,599 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 172 transitions. Word has length 46 [2018-11-23 12:43:58,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:43:58,600 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 172 transitions. [2018-11-23 12:43:58,600 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 12:43:58,600 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 172 transitions. [2018-11-23 12:43:58,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 12:43:58,602 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:43:58,602 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:43:58,602 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:43:58,602 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:43:58,602 INFO L82 PathProgramCache]: Analyzing trace with hash -1689313563, now seen corresponding path program 1 times [2018-11-23 12:43:58,602 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:43:58,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:43:58,603 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:43:58,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:43:58,604 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:43:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:58,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:43:58,681 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:43:58,681 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:43:58,681 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:43:58,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:43:58,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:43:58,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:43:58,683 INFO L87 Difference]: Start difference. First operand 146 states and 172 transitions. Second operand 3 states. [2018-11-23 12:43:58,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:43:58,704 INFO L93 Difference]: Finished difference Result 235 states and 275 transitions. [2018-11-23 12:43:58,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:43:58,706 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-23 12:43:58,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:43:58,708 INFO L225 Difference]: With dead ends: 235 [2018-11-23 12:43:58,708 INFO L226 Difference]: Without dead ends: 137 [2018-11-23 12:43:58,709 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:43:58,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-11-23 12:43:58,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-11-23 12:43:58,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-11-23 12:43:58,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 160 transitions. [2018-11-23 12:43:58,722 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 160 transitions. Word has length 47 [2018-11-23 12:43:58,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:43:58,723 INFO L480 AbstractCegarLoop]: Abstraction has 137 states and 160 transitions. [2018-11-23 12:43:58,723 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:43:58,723 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 160 transitions. [2018-11-23 12:43:58,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 12:43:58,724 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:43:58,724 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:43:58,724 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:43:58,725 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:43:58,725 INFO L82 PathProgramCache]: Analyzing trace with hash -2056846747, now seen corresponding path program 1 times [2018-11-23 12:43:58,725 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:43:58,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:43:58,727 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:43:58,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:43:58,727 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:43:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:58,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:43:58,835 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:43:58,835 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 12:43:58,836 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:43:58,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 12:43:58,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 12:43:58,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 12:43:58,837 INFO L87 Difference]: Start difference. First operand 137 states and 160 transitions. Second operand 7 states. [2018-11-23 12:43:59,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:43:59,160 INFO L93 Difference]: Finished difference Result 413 states and 498 transitions. [2018-11-23 12:43:59,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 12:43:59,160 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-23 12:43:59,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:43:59,164 INFO L225 Difference]: With dead ends: 413 [2018-11-23 12:43:59,164 INFO L226 Difference]: Without dead ends: 300 [2018-11-23 12:43:59,165 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 12:43:59,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2018-11-23 12:43:59,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 292. [2018-11-23 12:43:59,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2018-11-23 12:43:59,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 352 transitions. [2018-11-23 12:43:59,198 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 352 transitions. Word has length 51 [2018-11-23 12:43:59,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:43:59,199 INFO L480 AbstractCegarLoop]: Abstraction has 292 states and 352 transitions. [2018-11-23 12:43:59,199 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 12:43:59,199 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 352 transitions. [2018-11-23 12:43:59,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 12:43:59,201 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:43:59,201 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:43:59,201 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:43:59,201 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:43:59,202 INFO L82 PathProgramCache]: Analyzing trace with hash 584544480, now seen corresponding path program 1 times [2018-11-23 12:43:59,202 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:43:59,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:43:59,203 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:43:59,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:43:59,203 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:43:59,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:59,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:43:59,290 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:43:59,290 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 12:43:59,290 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:43:59,290 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 12:43:59,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 12:43:59,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 12:43:59,291 INFO L87 Difference]: Start difference. First operand 292 states and 352 transitions. Second operand 6 states. [2018-11-23 12:43:59,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:43:59,481 INFO L93 Difference]: Finished difference Result 813 states and 1004 transitions. [2018-11-23 12:43:59,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 12:43:59,482 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-11-23 12:43:59,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:43:59,486 INFO L225 Difference]: With dead ends: 813 [2018-11-23 12:43:59,486 INFO L226 Difference]: Without dead ends: 545 [2018-11-23 12:43:59,487 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 12:43:59,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2018-11-23 12:43:59,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 539. [2018-11-23 12:43:59,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2018-11-23 12:43:59,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 654 transitions. [2018-11-23 12:43:59,527 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 654 transitions. Word has length 57 [2018-11-23 12:43:59,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:43:59,528 INFO L480 AbstractCegarLoop]: Abstraction has 539 states and 654 transitions. [2018-11-23 12:43:59,528 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 12:43:59,528 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 654 transitions. [2018-11-23 12:43:59,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 12:43:59,531 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:43:59,531 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:43:59,534 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:43:59,534 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:43:59,534 INFO L82 PathProgramCache]: Analyzing trace with hash -276809948, now seen corresponding path program 1 times [2018-11-23 12:43:59,535 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:43:59,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:43:59,536 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:43:59,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:43:59,536 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:43:59,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:59,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:43:59,646 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:43:59,646 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 12:43:59,646 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:43:59,647 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 12:43:59,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 12:43:59,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 12:43:59,647 INFO L87 Difference]: Start difference. First operand 539 states and 654 transitions. Second operand 7 states. [2018-11-23 12:44:00,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:44:00,068 INFO L93 Difference]: Finished difference Result 1380 states and 1791 transitions. [2018-11-23 12:44:00,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 12:44:00,070 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2018-11-23 12:44:00,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:44:00,074 INFO L225 Difference]: With dead ends: 1380 [2018-11-23 12:44:00,075 INFO L226 Difference]: Without dead ends: 865 [2018-11-23 12:44:00,077 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-23 12:44:00,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2018-11-23 12:44:00,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 769. [2018-11-23 12:44:00,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 769 states. [2018-11-23 12:44:00,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 931 transitions. [2018-11-23 12:44:00,123 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 931 transitions. Word has length 61 [2018-11-23 12:44:00,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:44:00,124 INFO L480 AbstractCegarLoop]: Abstraction has 769 states and 931 transitions. [2018-11-23 12:44:00,124 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 12:44:00,124 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 931 transitions. [2018-11-23 12:44:00,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-23 12:44:00,126 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:44:00,126 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:44:00,127 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:44:00,127 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:44:00,127 INFO L82 PathProgramCache]: Analyzing trace with hash -226416114, now seen corresponding path program 1 times [2018-11-23 12:44:00,127 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:44:00,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:44:00,128 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:44:00,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:44:00,128 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:44:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:44:00,196 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 12:44:00,196 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:44:00,197 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 12:44:00,197 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:44:00,197 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 12:44:00,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 12:44:00,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 12:44:00,197 INFO L87 Difference]: Start difference. First operand 769 states and 931 transitions. Second operand 6 states. [2018-11-23 12:44:00,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:44:00,258 INFO L93 Difference]: Finished difference Result 1542 states and 1926 transitions. [2018-11-23 12:44:00,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 12:44:00,260 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2018-11-23 12:44:00,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:44:00,263 INFO L225 Difference]: With dead ends: 1542 [2018-11-23 12:44:00,263 INFO L226 Difference]: Without dead ends: 797 [2018-11-23 12:44:00,265 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 12:44:00,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2018-11-23 12:44:00,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 789. [2018-11-23 12:44:00,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2018-11-23 12:44:00,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 951 transitions. [2018-11-23 12:44:00,307 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 951 transitions. Word has length 98 [2018-11-23 12:44:00,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:44:00,307 INFO L480 AbstractCegarLoop]: Abstraction has 789 states and 951 transitions. [2018-11-23 12:44:00,307 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 12:44:00,307 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 951 transitions. [2018-11-23 12:44:00,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-23 12:44:00,309 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:44:00,309 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:44:00,310 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:44:00,310 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:44:00,310 INFO L82 PathProgramCache]: Analyzing trace with hash 667070224, now seen corresponding path program 1 times [2018-11-23 12:44:00,310 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:44:00,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:44:00,311 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:44:00,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:44:00,311 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:44:00,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:44:00,385 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 12:44:00,386 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:44:00,386 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 12:44:00,386 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:44:00,387 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 12:44:00,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 12:44:00,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 12:44:00,389 INFO L87 Difference]: Start difference. First operand 789 states and 951 transitions. Second operand 8 states. [2018-11-23 12:44:00,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:44:00,465 INFO L93 Difference]: Finished difference Result 1582 states and 1966 transitions. [2018-11-23 12:44:00,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 12:44:00,466 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2018-11-23 12:44:00,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:44:00,470 INFO L225 Difference]: With dead ends: 1582 [2018-11-23 12:44:00,470 INFO L226 Difference]: Without dead ends: 817 [2018-11-23 12:44:00,472 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 12:44:00,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 817 states. [2018-11-23 12:44:00,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 817 to 805. [2018-11-23 12:44:00,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 805 states. [2018-11-23 12:44:00,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 805 states and 967 transitions. [2018-11-23 12:44:00,517 INFO L78 Accepts]: Start accepts. Automaton has 805 states and 967 transitions. Word has length 98 [2018-11-23 12:44:00,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:44:00,517 INFO L480 AbstractCegarLoop]: Abstraction has 805 states and 967 transitions. [2018-11-23 12:44:00,517 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 12:44:00,518 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 967 transitions. [2018-11-23 12:44:00,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-23 12:44:00,520 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:44:00,520 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:44:00,520 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:44:00,520 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:44:00,520 INFO L82 PathProgramCache]: Analyzing trace with hash 659310865, now seen corresponding path program 1 times [2018-11-23 12:44:00,520 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:44:00,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:44:00,521 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:44:00,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:44:00,521 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:44:00,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:44:00,595 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 12:44:00,595 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:44:00,595 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 12:44:00,596 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:44:00,596 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 12:44:00,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 12:44:00,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 12:44:00,596 INFO L87 Difference]: Start difference. First operand 805 states and 967 transitions. Second operand 4 states. [2018-11-23 12:44:00,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:44:00,839 INFO L93 Difference]: Finished difference Result 2547 states and 3210 transitions. [2018-11-23 12:44:00,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 12:44:00,840 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2018-11-23 12:44:00,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:44:00,847 INFO L225 Difference]: With dead ends: 2547 [2018-11-23 12:44:00,847 INFO L226 Difference]: Without dead ends: 1766 [2018-11-23 12:44:00,849 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 12:44:00,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1766 states. [2018-11-23 12:44:00,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1766 to 1735. [2018-11-23 12:44:00,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1735 states. [2018-11-23 12:44:00,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1735 states to 1735 states and 2139 transitions. [2018-11-23 12:44:00,940 INFO L78 Accepts]: Start accepts. Automaton has 1735 states and 2139 transitions. Word has length 98 [2018-11-23 12:44:00,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:44:00,940 INFO L480 AbstractCegarLoop]: Abstraction has 1735 states and 2139 transitions. [2018-11-23 12:44:00,940 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 12:44:00,940 INFO L276 IsEmpty]: Start isEmpty. Operand 1735 states and 2139 transitions. [2018-11-23 12:44:00,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-23 12:44:00,943 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:44:00,943 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:44:00,943 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:44:00,943 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:44:00,944 INFO L82 PathProgramCache]: Analyzing trace with hash 1469595243, now seen corresponding path program 1 times [2018-11-23 12:44:00,944 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:44:00,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:44:00,944 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:44:00,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:44:00,945 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:44:00,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:44:01,039 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 12:44:01,039 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:44:01,039 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:44:01,040 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 103 with the following transitions: [2018-11-23 12:44:01,041 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [40], [43], [45], [46], [49], [64], [67], [68], [72], [73], [75], [84], [88], [92], [95], [100], [103], [108], [111], [127], [128], [131], [132], [133], [135], [140], [143], [144], [146], [151], [153], [154], [159], [161], [193], [197], [204], [205], [213], [217], [220], [222], [225], [235], [238], [242], [243], [246], [248], [251], [253], [256], [265], [266], [267], [268], [269], [270], [271], [272], [273], [279], [281], [282], [289], [290], [291], [292], [293], [294], [297], [301], [302], [303], [304], [305], [306], [313], [314], [315], [317], [318], [319], [321], [322], [323], [324], [329], [330], [331], [332], [333] [2018-11-23 12:44:01,073 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:44:01,073 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:44:01,470 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 12:44:01,471 INFO L272 AbstractInterpreter]: Visited 76 different actions 76 times. Never merged. Never widened. Performed 2593 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2593 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-11-23 12:44:01,477 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:44:01,477 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 12:44:01,764 INFO L227 lantSequenceWeakener]: Weakened 74 states. On average, predicates are now at 97.18% of their original sizes. [2018-11-23 12:44:01,764 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 12:44:01,986 INFO L415 sIntCurrentIteration]: We unified 101 AI predicates to 101 [2018-11-23 12:44:01,987 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 12:44:01,987 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 12:44:01,987 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [24] imperfect sequences [13] total 35 [2018-11-23 12:44:01,987 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:44:01,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-11-23 12:44:01,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-11-23 12:44:01,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=485, Unknown=0, NotChecked=0, Total=552 [2018-11-23 12:44:01,988 INFO L87 Difference]: Start difference. First operand 1735 states and 2139 transitions. Second operand 24 states. [2018-11-23 12:44:07,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:44:07,250 INFO L93 Difference]: Finished difference Result 3753 states and 4688 transitions. [2018-11-23 12:44:07,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-11-23 12:44:07,251 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 102 [2018-11-23 12:44:07,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:44:07,258 INFO L225 Difference]: With dead ends: 3753 [2018-11-23 12:44:07,258 INFO L226 Difference]: Without dead ends: 2042 [2018-11-23 12:44:07,262 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 127 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 523 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=268, Invalid=2182, Unknown=0, NotChecked=0, Total=2450 [2018-11-23 12:44:07,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2042 states. [2018-11-23 12:44:07,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2042 to 2025. [2018-11-23 12:44:07,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2025 states. [2018-11-23 12:44:07,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2025 states to 2025 states and 2411 transitions. [2018-11-23 12:44:07,353 INFO L78 Accepts]: Start accepts. Automaton has 2025 states and 2411 transitions. Word has length 102 [2018-11-23 12:44:07,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:44:07,353 INFO L480 AbstractCegarLoop]: Abstraction has 2025 states and 2411 transitions. [2018-11-23 12:44:07,354 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-11-23 12:44:07,354 INFO L276 IsEmpty]: Start isEmpty. Operand 2025 states and 2411 transitions. [2018-11-23 12:44:07,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-23 12:44:07,359 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:44:07,360 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:44:07,360 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:44:07,360 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:44:07,360 INFO L82 PathProgramCache]: Analyzing trace with hash -1470552784, now seen corresponding path program 1 times [2018-11-23 12:44:07,360 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:44:07,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:44:07,361 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:44:07,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:44:07,361 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:44:07,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:44:07,424 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 12:44:07,424 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:44:07,424 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:44:07,424 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 160 with the following transitions: [2018-11-23 12:44:07,424 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [31], [34], [38], [39], [40], [43], [45], [46], [49], [52], [54], [60], [64], [67], [68], [72], [73], [74], [75], [84], [88], [92], [95], [100], [103], [106], [108], [111], [127], [128], [129], [130], [131], [132], [133], [135], [140], [143], [144], [146], [151], [153], [154], [159], [161], [190], [193], [197], [203], [204], [205], [208], [212], [213], [217], [220], [222], [225], [232], [235], [238], [242], [243], [246], [248], [251], [253], [256], [262], [264], [265], [266], [267], [268], [269], [270], [271], [272], [273], [277], [278], [279], [281], [282], [283], [284], [287], [288], [289], [290], [291], [292], [293], [294], [297], [298], [301], [302], [303], [304], [305], [306], [311], [312], [313], [314], [315], [316], [317], [318], [319], [321], [322], [323], [324], [327], [328], [329], [330], [331], [332], [333] [2018-11-23 12:44:07,429 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:44:07,429 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:44:08,059 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 12:44:08,059 INFO L272 AbstractInterpreter]: Visited 109 different actions 191 times. Merged at 8 different actions 13 times. Never widened. Performed 10670 root evaluator evaluations with a maximum evaluation depth of 3. Performed 10670 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 1 different actions. Largest state had 132 variables. [2018-11-23 12:44:08,066 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:44:08,067 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 12:44:08,067 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:44:08,067 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_809247fe-59e7-464d-b336-18989b29da51/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 [2018-11-23 12:44:08,080 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:44:08,080 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 12:44:08,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:44:08,173 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:44:08,225 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 12:44:08,225 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 12:44:08,417 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 12:44:08,433 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:44:08,434 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 7 [2018-11-23 12:44:08,434 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:44:08,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 12:44:08,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 12:44:08,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-23 12:44:08,435 INFO L87 Difference]: Start difference. First operand 2025 states and 2411 transitions. Second operand 5 states. [2018-11-23 12:44:08,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:44:08,839 INFO L93 Difference]: Finished difference Result 4124 states and 5215 transitions. [2018-11-23 12:44:08,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 12:44:08,840 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 159 [2018-11-23 12:44:08,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:44:08,848 INFO L225 Difference]: With dead ends: 4124 [2018-11-23 12:44:08,848 INFO L226 Difference]: Without dead ends: 2751 [2018-11-23 12:44:08,852 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 318 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-11-23 12:44:08,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2751 states. [2018-11-23 12:44:08,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2751 to 2502. [2018-11-23 12:44:08,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2502 states. [2018-11-23 12:44:08,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2502 states to 2502 states and 3041 transitions. [2018-11-23 12:44:08,951 INFO L78 Accepts]: Start accepts. Automaton has 2502 states and 3041 transitions. Word has length 159 [2018-11-23 12:44:08,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:44:08,952 INFO L480 AbstractCegarLoop]: Abstraction has 2502 states and 3041 transitions. [2018-11-23 12:44:08,952 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 12:44:08,952 INFO L276 IsEmpty]: Start isEmpty. Operand 2502 states and 3041 transitions. [2018-11-23 12:44:08,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-23 12:44:08,956 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:44:08,956 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:44:08,956 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:44:08,956 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:44:08,957 INFO L82 PathProgramCache]: Analyzing trace with hash 1792268874, now seen corresponding path program 1 times [2018-11-23 12:44:08,957 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:44:08,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:44:08,957 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:44:08,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:44:08,958 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:44:08,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:44:09,067 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 12:44:09,067 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:44:09,067 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:44:09,068 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 156 with the following transitions: [2018-11-23 12:44:09,068 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [31], [34], [38], [39], [40], [43], [45], [46], [49], [52], [54], [60], [64], [67], [68], [72], [73], [74], [75], [84], [88], [92], [95], [98], [100], [103], [106], [108], [111], [127], [128], [129], [130], [131], [132], [133], [135], [140], [143], [144], [146], [151], [153], [154], [159], [161], [190], [193], [197], [203], [204], [205], [208], [212], [213], [217], [220], [222], [225], [232], [235], [238], [242], [243], [246], [248], [251], [253], [256], [262], [264], [265], [266], [267], [268], [269], [270], [271], [272], [273], [277], [278], [279], [281], [282], [283], [284], [287], [288], [289], [290], [291], [292], [293], [294], [297], [298], [301], [302], [303], [304], [305], [306], [311], [312], [313], [314], [315], [316], [317], [318], [319], [321], [322], [323], [324], [327], [328], [329], [330], [331], [332], [333] [2018-11-23 12:44:09,071 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:44:09,071 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:44:10,512 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 12:44:10,512 INFO L272 AbstractInterpreter]: Visited 132 different actions 1159 times. Merged at 17 different actions 84 times. Never widened. Performed 40631 root evaluator evaluations with a maximum evaluation depth of 5. Performed 40631 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 22 fixpoints after 4 different actions. Largest state had 132 variables. [2018-11-23 12:44:10,516 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:44:10,516 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 12:44:10,516 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:44:10,516 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_809247fe-59e7-464d-b336-18989b29da51/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:44:10,531 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:44:10,531 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 12:44:10,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:44:10,633 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:44:10,730 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 12:44:10,730 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 12:44:11,057 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 12:44:11,083 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:44:11,083 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 10] total 21 [2018-11-23 12:44:11,083 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:44:11,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 12:44:11,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 12:44:11,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2018-11-23 12:44:11,084 INFO L87 Difference]: Start difference. First operand 2502 states and 3041 transitions. Second operand 9 states. [2018-11-23 12:44:12,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:44:12,009 INFO L93 Difference]: Finished difference Result 5786 states and 7769 transitions. [2018-11-23 12:44:12,010 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-23 12:44:12,010 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2018-11-23 12:44:12,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:44:12,021 INFO L225 Difference]: With dead ends: 5786 [2018-11-23 12:44:12,022 INFO L226 Difference]: Without dead ends: 3997 [2018-11-23 12:44:12,026 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 303 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=158, Invalid=598, Unknown=0, NotChecked=0, Total=756 [2018-11-23 12:44:12,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3997 states. [2018-11-23 12:44:12,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3997 to 3252. [2018-11-23 12:44:12,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3252 states. [2018-11-23 12:44:12,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3252 states to 3252 states and 3993 transitions. [2018-11-23 12:44:12,157 INFO L78 Accepts]: Start accepts. Automaton has 3252 states and 3993 transitions. Word has length 155 [2018-11-23 12:44:12,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:44:12,158 INFO L480 AbstractCegarLoop]: Abstraction has 3252 states and 3993 transitions. [2018-11-23 12:44:12,158 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 12:44:12,158 INFO L276 IsEmpty]: Start isEmpty. Operand 3252 states and 3993 transitions. [2018-11-23 12:44:12,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-23 12:44:12,161 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:44:12,161 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:44:12,161 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:44:12,162 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:44:12,162 INFO L82 PathProgramCache]: Analyzing trace with hash 2067028488, now seen corresponding path program 1 times [2018-11-23 12:44:12,162 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:44:12,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:44:12,163 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:44:12,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:44:12,163 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:44:12,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:44:12,238 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 12:44:12,238 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:44:12,238 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 12:44:12,238 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:44:12,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 12:44:12,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 12:44:12,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-23 12:44:12,239 INFO L87 Difference]: Start difference. First operand 3252 states and 3993 transitions. Second operand 9 states. [2018-11-23 12:44:12,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:44:12,331 INFO L93 Difference]: Finished difference Result 4208 states and 5151 transitions. [2018-11-23 12:44:12,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 12:44:12,332 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2018-11-23 12:44:12,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:44:12,333 INFO L225 Difference]: With dead ends: 4208 [2018-11-23 12:44:12,334 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 12:44:12,339 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-23 12:44:12,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 12:44:12,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 12:44:12,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 12:44:12,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 12:44:12,340 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2018-11-23 12:44:12,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:44:12,340 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 12:44:12,341 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 12:44:12,341 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:44:12,341 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:44:12,344 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 12:44:12,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,653 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,758 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,778 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:12,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,087 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,097 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,148 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,216 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,224 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,276 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,282 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:13,299 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:14,139 WARN L180 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 44 [2018-11-23 12:44:14,271 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 26 [2018-11-23 12:44:14,651 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 33 [2018-11-23 12:44:14,940 WARN L180 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 52 [2018-11-23 12:44:15,069 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 31 [2018-11-23 12:44:15,213 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 40 [2018-11-23 12:44:16,145 WARN L180 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 50 [2018-11-23 12:44:16,321 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 33 [2018-11-23 12:44:16,622 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 37 [2018-11-23 12:44:16,759 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2018-11-23 12:44:16,761 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 878 884) the Hoare annotation is: true [2018-11-23 12:44:16,761 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 878 884) no Hoare annotation was computed. [2018-11-23 12:44:16,761 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 885 893) no Hoare annotation was computed. [2018-11-23 12:44:16,761 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 885 893) the Hoare annotation is: true [2018-11-23 12:44:16,761 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 885 893) no Hoare annotation was computed. [2018-11-23 12:44:16,762 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 967 989) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:44:16,762 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 967 989) no Hoare annotation was computed. [2018-11-23 12:44:16,762 INFO L444 ceAbstractionStarter]: At program point L979(line 979) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:44:16,762 INFO L444 ceAbstractionStarter]: At program point L979-1(line 979) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:44:16,762 INFO L448 ceAbstractionStarter]: For program point L977(lines 977 984) no Hoare annotation was computed. [2018-11-23 12:44:16,762 INFO L448 ceAbstractionStarter]: For program point L977-1(lines 977 984) no Hoare annotation was computed. [2018-11-23 12:44:16,762 INFO L448 ceAbstractionStarter]: For program point L975(line 975) no Hoare annotation was computed. [2018-11-23 12:44:16,762 INFO L444 ceAbstractionStarter]: At program point L974(line 974) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:44:16,762 INFO L444 ceAbstractionStarter]: At program point L973(line 973) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:44:16,763 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 967 989) no Hoare annotation was computed. [2018-11-23 12:44:16,763 INFO L444 ceAbstractionStarter]: At program point L973-1(line 973) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:44:16,763 INFO L444 ceAbstractionStarter]: At program point L481(line 481) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (< ~waterLevel~0 1)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= |old(~systemActive~0)| 0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (or (or .cse0 .cse1) .cse2) .cse3) (or (or .cse4 .cse1) .cse5) (or .cse6 .cse4 .cse5) (or (or .cse6 .cse0 .cse2) .cse3))) [2018-11-23 12:44:16,763 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 475 489) no Hoare annotation was computed. [2018-11-23 12:44:16,763 INFO L448 ceAbstractionStarter]: For program point L479(lines 479 485) no Hoare annotation was computed. [2018-11-23 12:44:16,763 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 475 489) the Hoare annotation is: (let ((.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse0 (= |old(~systemActive~0)| 0)) (.cse3 (and (not (= ~systemActive~0 0)) .cse5)) (.cse2 (< ~waterLevel~0 2)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse6 (or .cse7 .cse1))) (and (or (or (or .cse0 .cse1) .cse2) .cse3) (or (or .cse4 .cse0 .cse2) .cse3) (or .cse2 .cse5 .cse6) (or .cse4 .cse5 .cse7 (< ~waterLevel~0 1)) (or .cse5 (or .cse6 (not (= ~waterLevel~0 1))))))) [2018-11-23 12:44:16,763 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 475 489) no Hoare annotation was computed. [2018-11-23 12:44:16,763 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 392 400) no Hoare annotation was computed. [2018-11-23 12:44:16,764 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 392 400) the Hoare annotation is: true [2018-11-23 12:44:16,764 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 392 400) no Hoare annotation was computed. [2018-11-23 12:44:16,764 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 469) no Hoare annotation was computed. [2018-11-23 12:44:16,764 INFO L451 ceAbstractionStarter]: At program point L463(line 463) the Hoare annotation is: true [2018-11-23 12:44:16,764 INFO L448 ceAbstractionStarter]: For program point L465-2(lines 465 469) no Hoare annotation was computed. [2018-11-23 12:44:16,764 INFO L448 ceAbstractionStarter]: For program point L463-1(line 463) no Hoare annotation was computed. [2018-11-23 12:44:16,764 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 456 474) the Hoare annotation is: true [2018-11-23 12:44:16,764 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 456 474) no Hoare annotation was computed. [2018-11-23 12:44:16,764 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 456 474) no Hoare annotation was computed. [2018-11-23 12:44:16,764 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 871 877) no Hoare annotation was computed. [2018-11-23 12:44:16,764 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 871 877) the Hoare annotation is: true [2018-11-23 12:44:16,764 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 957 966) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:44:16,765 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 957 966) no Hoare annotation was computed. [2018-11-23 12:44:16,765 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 957 966) no Hoare annotation was computed. [2018-11-23 12:44:16,765 INFO L448 ceAbstractionStarter]: For program point L386-1(line 386) no Hoare annotation was computed. [2018-11-23 12:44:16,765 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 381 391) the Hoare annotation is: true [2018-11-23 12:44:16,765 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 381 391) no Hoare annotation was computed. [2018-11-23 12:44:16,765 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 381 391) no Hoare annotation was computed. [2018-11-23 12:44:16,765 INFO L451 ceAbstractionStarter]: At program point L386(line 386) the Hoare annotation is: true [2018-11-23 12:44:16,765 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 373 380) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2018-11-23 12:44:16,765 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 373 380) no Hoare annotation was computed. [2018-11-23 12:44:16,765 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 373 380) no Hoare annotation was computed. [2018-11-23 12:44:16,765 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 322 346) no Hoare annotation was computed. [2018-11-23 12:44:16,766 INFO L444 ceAbstractionStarter]: At program point L341(line 341) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-23 12:44:16,766 INFO L448 ceAbstractionStarter]: For program point L341-1(lines 322 346) no Hoare annotation was computed. [2018-11-23 12:44:16,766 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 322 346) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2018-11-23 12:44:16,766 INFO L444 ceAbstractionStarter]: At program point L336(line 336) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 12:44:16,766 INFO L444 ceAbstractionStarter]: At program point L332(line 332) the Hoare annotation is: (let ((.cse0 (and (= processEnvironment_~tmp~3 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 (not (= ~waterLevel~0 1)) .cse3) (or .cse0 .cse5 .cse1 .cse2) (or .cse4 .cse1 (< ~waterLevel~0 2) .cse3) (or .cse5 .cse4 .cse1 .cse2))) [2018-11-23 12:44:16,766 INFO L448 ceAbstractionStarter]: For program point L330(lines 330 338) no Hoare annotation was computed. [2018-11-23 12:44:16,766 INFO L444 ceAbstractionStarter]: At program point L328(line 328) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse4 (< ~waterLevel~0 1)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse3 .cse1 .cse4 .cse5) (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (or .cse3 .cse0 .cse1 .cse4) (or .cse1 .cse4 .cse2 .cse5))) [2018-11-23 12:44:16,766 INFO L448 ceAbstractionStarter]: For program point L328-1(line 328) no Hoare annotation was computed. [2018-11-23 12:44:16,767 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 343) no Hoare annotation was computed. [2018-11-23 12:44:16,767 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2018-11-23 12:44:16,767 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2018-11-23 12:44:16,767 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2018-11-23 12:44:16,767 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2018-11-23 12:44:16,767 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 288 294) no Hoare annotation was computed. [2018-11-23 12:44:16,767 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 288 294) the Hoare annotation is: true [2018-11-23 12:44:16,767 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 191 256) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:44:16,767 INFO L444 ceAbstractionStarter]: At program point L223(line 223) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse1) (not (= |old(~systemActive~0)| 1)) (and .cse2 .cse3 (= ~methaneLevelCritical~0 1) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse2 .cse3 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 12:44:16,767 INFO L448 ceAbstractionStarter]: For program point L221(lines 221 227) no Hoare annotation was computed. [2018-11-23 12:44:16,768 INFO L448 ceAbstractionStarter]: For program point L221-1(lines 221 227) no Hoare annotation was computed. [2018-11-23 12:44:16,768 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 191 256) no Hoare annotation was computed. [2018-11-23 12:44:16,768 INFO L444 ceAbstractionStarter]: At program point L246(lines 201 248) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (and .cse3 (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 12:44:16,768 INFO L444 ceAbstractionStarter]: At program point L213(line 213) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~waterLevel~0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse2) (and (and .cse3 .cse0 .cse2) .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 12:44:16,768 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 217) no Hoare annotation was computed. [2018-11-23 12:44:16,768 INFO L448 ceAbstractionStarter]: For program point L211-1(lines 211 217) no Hoare annotation was computed. [2018-11-23 12:44:16,768 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 207) no Hoare annotation was computed. [2018-11-23 12:44:16,768 INFO L444 ceAbstractionStarter]: At program point L249(lines 200 250) 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))) [2018-11-23 12:44:16,769 INFO L444 ceAbstractionStarter]: At program point L239(line 239) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse5 (<= 2 ~waterLevel~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse6 (not (= ~systemActive~0 0))) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse0 .cse1 .cse3) (and .cse5 .cse6 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 (and .cse4 .cse6 .cse3)))) [2018-11-23 12:44:16,769 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 243) no Hoare annotation was computed. [2018-11-23 12:44:16,769 INFO L444 ceAbstractionStarter]: At program point L237-1(lines 231 244) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 0))) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse4 .cse5 .cse6 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse4 .cse5 .cse3) (and .cse1 .cse2 .cse6 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 12:44:16,769 INFO L448 ceAbstractionStarter]: For program point L202(lines 201 248) no Hoare annotation was computed. [2018-11-23 12:44:16,769 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 244) no Hoare annotation was computed. [2018-11-23 12:44:16,769 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 191 256) no Hoare annotation was computed. [2018-11-23 12:44:16,769 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 347 354) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (not (= ~methaneLevelCritical~0 0))) [2018-11-23 12:44:16,769 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 347 354) no Hoare annotation was computed. [2018-11-23 12:44:16,769 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 347 354) no Hoare annotation was computed. [2018-11-23 12:44:16,770 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2018-11-23 12:44:16,770 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2018-11-23 12:44:16,771 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2018-11-23 12:44:16,771 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:44:16,771 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 12:44:16,771 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:44:16,771 INFO L444 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 12:44:16,771 INFO L448 ceAbstractionStarter]: For program point L367-1(lines 356 372) no Hoare annotation was computed. [2018-11-23 12:44:16,772 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 356 372) no Hoare annotation was computed. [2018-11-23 12:44:16,772 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 369) no Hoare annotation was computed. [2018-11-23 12:44:16,772 INFO L444 ceAbstractionStarter]: At program point L361(line 361) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 12:44:16,772 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 356 372) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 12:44:16,772 INFO L448 ceAbstractionStarter]: For program point L361-1(line 361) no Hoare annotation was computed. [2018-11-23 12:44:16,772 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 437 455) no Hoare annotation was computed. [2018-11-23 12:44:16,772 INFO L448 ceAbstractionStarter]: For program point L446(lines 446 450) no Hoare annotation was computed. [2018-11-23 12:44:16,772 INFO L451 ceAbstractionStarter]: At program point L444(line 444) the Hoare annotation is: true [2018-11-23 12:44:16,772 INFO L448 ceAbstractionStarter]: For program point L446-2(lines 446 450) no Hoare annotation was computed. [2018-11-23 12:44:16,772 INFO L448 ceAbstractionStarter]: For program point L444-1(line 444) no Hoare annotation was computed. [2018-11-23 12:44:16,772 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 437 455) the Hoare annotation is: true [2018-11-23 12:44:16,773 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 437 455) no Hoare annotation was computed. [2018-11-23 12:44:16,773 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2018-11-23 12:44:16,773 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 1)) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse2 (= 0 ~methaneLevelCritical~0))) (and (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse0 (= ~methaneLevelCritical~0 1) .cse1) (or .cse0 .cse2 .cse1 .cse3) (or (or (= ~systemActive~0 0) (< ~waterLevel~0 2) .cse3) .cse2))) [2018-11-23 12:44:16,773 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2018-11-23 12:44:16,773 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 896 925) no Hoare annotation was computed. [2018-11-23 12:44:16,773 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 896 925) the Hoare annotation is: true [2018-11-23 12:44:16,773 INFO L451 ceAbstractionStarter]: At program point L921(lines 896 925) the Hoare annotation is: true [2018-11-23 12:44:16,773 INFO L448 ceAbstractionStarter]: For program point L917(line 917) no Hoare annotation was computed. [2018-11-23 12:44:16,773 INFO L448 ceAbstractionStarter]: For program point L910(lines 910 914) no Hoare annotation was computed. [2018-11-23 12:44:16,773 INFO L451 ceAbstractionStarter]: At program point L910-1(lines 910 914) the Hoare annotation is: true [2018-11-23 12:44:16,773 INFO L448 ceAbstractionStarter]: For program point L907(line 907) no Hoare annotation was computed. [2018-11-23 12:44:16,774 INFO L451 ceAbstractionStarter]: At program point L906-2(lines 906 920) the Hoare annotation is: true [2018-11-23 12:44:16,774 INFO L451 ceAbstractionStarter]: At program point L902(line 902) the Hoare annotation is: true [2018-11-23 12:44:16,774 INFO L448 ceAbstractionStarter]: For program point L902-1(line 902) no Hoare annotation was computed. [2018-11-23 12:44:16,774 INFO L444 ceAbstractionStarter]: At program point L277(line 277) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 0)) (.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse3 (< |old(~waterLevel~0)| 2)) (.cse0 (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse10)) (.cse5 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= 1 ~waterLevel~0)) (.cse4 (not .cse2)) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse12 (= ~waterLevel~0 2)) (.cse11 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or (and .cse4 .cse5) (or .cse6 .cse3 .cse7)) (or (or .cse2 .cse3 .cse7) .cse0) (or .cse1 .cse6 .cse8 .cse9) (or .cse1 .cse6 (< |old(~waterLevel~0)| 1) (and .cse4 .cse5 .cse10)) (or (or .cse6 (not (= ~systemActive~0 1)) .cse7 .cse11) .cse12) (or (and .cse9 .cse4 .cse10) .cse6 .cse8 .cse7) (or .cse1 .cse6 .cse12 .cse11)))) [2018-11-23 12:44:16,774 INFO L444 ceAbstractionStarter]: At program point L275(lines 275 281) the Hoare annotation is: (let ((.cse10 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (let ((.cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0)) (.cse4 (< |old(~waterLevel~0)| 2)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (and (= 0 ~pumpRunning~0) .cse10)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (= 1 ~waterLevel~0)) (.cse8 (not (= |old(~waterLevel~0)| 1)))) (and (or (and (not .cse0) .cse1) (and .cse1 .cse2) (or .cse3 .cse4 .cse5)) (or (= ~waterLevel~0 2) .cse6 .cse3 (not (= |old(~waterLevel~0)| 2))) (or .cse7 (or .cse6 .cse0 .cse4)) (or (or .cse6 .cse3 .cse4) .cse1) (or .cse6 .cse3 .cse2 (< |old(~waterLevel~0)| 1)) (or .cse3 .cse8 .cse5 (and .cse9 .cse2)) (or (or .cse0 .cse4 .cse5) (and (not (= ~waterLevel~0 1)) .cse10) .cse7) (or .cse6 .cse3 .cse9 .cse8)))) [2018-11-23 12:44:16,774 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 264 287) the Hoare annotation is: (let ((.cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse4 (= ~systemActive~0 0)) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (= |old(~waterLevel~0)| 2))) (.cse6 (= ~waterLevel~0 2)) (.cse5 (and .cse1 .cse11)) (.cse12 (< |old(~waterLevel~0)| 1)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (= 1 ~waterLevel~0)) (.cse9 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse4 .cse2 .cse3) .cse5) (or .cse6 .cse7 .cse0 .cse8) (or .cse0 .cse9 .cse3 .cse10) (or (or .cse7 .cse4 .cse2) .cse5) (or .cse0 .cse11 .cse12 .cse3) (or (or .cse0 (not (= ~systemActive~0 1)) .cse3 .cse8) .cse6) (or .cse7 .cse0 .cse5 .cse12) (or .cse7 .cse0 .cse10 .cse9)))) [2018-11-23 12:44:16,775 INFO L444 ceAbstractionStarter]: At program point L270(line 270) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< |old(~waterLevel~0)| 1)) (.cse3 (= ~systemActive~0 0)) (.cse4 (< |old(~waterLevel~0)| 2)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2) (or (or .cse0 .cse3 .cse4) (and .cse5 .cse6)) (or .cse1 .cse2 .cse7) (or (or .cse3 .cse4 .cse7) (and .cse6 .cse5)))) [2018-11-23 12:44:16,775 INFO L448 ceAbstractionStarter]: For program point L268(lines 267 286) no Hoare annotation was computed. [2018-11-23 12:44:16,775 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 264 287) no Hoare annotation was computed. [2018-11-23 12:44:16,775 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 264 287) no Hoare annotation was computed. [2018-11-23 12:44:16,775 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2018-11-23 12:44:16,775 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2018-11-23 12:44:16,775 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2018-11-23 12:44:16,775 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 0)) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 (or .cse2 (not (= ~methaneLevelCritical~0 0)))) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse1 .cse0))) [2018-11-23 12:44:16,775 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2018-11-23 12:44:16,775 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2018-11-23 12:44:16,776 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 950 956) no Hoare annotation was computed. [2018-11-23 12:44:16,776 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 950 956) the Hoare annotation is: true [2018-11-23 12:44:16,776 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:44:16,776 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-23 12:44:16,776 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 12:44:16,776 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:44:16,776 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 296 320) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)) .cse3) (or .cse1 .cse2 (< ~waterLevel~0 1) .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 12:44:16,776 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 296 320) no Hoare annotation was computed. [2018-11-23 12:44:16,776 INFO L444 ceAbstractionStarter]: At program point L315(line 315) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (< ~waterLevel~0 1)))) [2018-11-23 12:44:16,776 INFO L448 ceAbstractionStarter]: For program point L315-1(lines 296 320) no Hoare annotation was computed. [2018-11-23 12:44:16,777 INFO L444 ceAbstractionStarter]: At program point L310(line 310) the Hoare annotation is: (let ((.cse5 (< ~waterLevel~0 2)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or .cse4 .cse0 .cse1 .cse5) (or (or .cse0 .cse1 .cse5 .cse3) .cse2) (or .cse4 .cse0 .cse2 .cse1 (< ~waterLevel~0 1)))) [2018-11-23 12:44:16,777 INFO L444 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse3 (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2)) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (< ~waterLevel~0 1) (and (<= 2 ~waterLevel~0) (= processEnvironment__wrappee__highWaterSensor_~tmp~2 1) .cse3)))) [2018-11-23 12:44:16,777 INFO L448 ceAbstractionStarter]: For program point L304(lines 304 312) no Hoare annotation was computed. [2018-11-23 12:44:16,777 INFO L444 ceAbstractionStarter]: At program point L302(line 302) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)) .cse3) (or .cse1 .cse2 (< ~waterLevel~0 1) .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 12:44:16,777 INFO L448 ceAbstractionStarter]: For program point L302-1(line 302) no Hoare annotation was computed. [2018-11-23 12:44:16,777 INFO L448 ceAbstractionStarter]: For program point L300(lines 300 317) no Hoare annotation was computed. [2018-11-23 12:44:16,777 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2018-11-23 12:44:16,777 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2018-11-23 12:44:16,778 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse2 (= 1 ~waterLevel~0)) (.cse4 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (< |old(~waterLevel~0)| 2)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (= ~waterLevel~0 2)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse1) (or (< |old(~waterLevel~0)| 1) .cse4 (or .cse1 .cse6)) (or .cse1 .cse3 .cse6 .cse2) (or .cse4 .cse5 (or (= ~systemActive~0 0) .cse6)) (or .cse7 (or .cse0 .cse1 .cse8)) (or .cse7 (or .cse1 (not (= ~systemActive~0 1)) .cse6) .cse8))) [2018-11-23 12:44:16,779 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 183) no Hoare annotation was computed. [2018-11-23 12:44:16,779 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 179 186) no Hoare annotation was computed. [2018-11-23 12:44:16,779 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 179 186) the Hoare annotation is: true [2018-11-23 12:44:16,779 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 179 186) no Hoare annotation was computed. [2018-11-23 12:44:16,779 INFO L448 ceAbstractionStarter]: For program point L161(lines 161 174) no Hoare annotation was computed. [2018-11-23 12:44:16,779 INFO L448 ceAbstractionStarter]: For program point L161-1(lines 153 177) no Hoare annotation was computed. [2018-11-23 12:44:16,779 INFO L451 ceAbstractionStarter]: At program point L159(line 159) the Hoare annotation is: true [2018-11-23 12:44:16,779 INFO L448 ceAbstractionStarter]: For program point L159-1(line 159) no Hoare annotation was computed. [2018-11-23 12:44:16,779 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 153 177) the Hoare annotation is: true [2018-11-23 12:44:16,780 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 153 177) no Hoare annotation was computed. [2018-11-23 12:44:16,780 INFO L444 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (< ~waterLevel~0 1)) (.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) (< ~waterLevel~0 2) .cse0) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2) (or .cse1 .cse2 .cse0))) [2018-11-23 12:44:16,780 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 171) no Hoare annotation was computed. [2018-11-23 12:44:16,780 INFO L444 ceAbstractionStarter]: At program point L163(line 163) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) (< ~waterLevel~0 2) .cse0) (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0))) [2018-11-23 12:44:16,780 INFO L448 ceAbstractionStarter]: For program point L163-1(line 163) no Hoare annotation was computed. [2018-11-23 12:44:16,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:44:16 BoogieIcfgContainer [2018-11-23 12:44:16,798 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 12:44:16,799 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:44:16,799 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:44:16,799 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:44:16,799 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:43:58" (3/4) ... [2018-11-23 12:44:16,804 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 12:44:16,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 12:44:16,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 12:44:16,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 12:44:16,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-23 12:44:16,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 12:44:16,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 12:44:16,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 12:44:16,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 12:44:16,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 12:44:16,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 12:44:16,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 12:44:16,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 12:44:16,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 12:44:16,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 12:44:16,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-23 12:44:16,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 12:44:16,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 12:44:16,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 12:44:16,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 12:44:16,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 12:44:16,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 12:44:16,812 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 12:44:16,812 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 12:44:16,812 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 12:44:16,812 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 12:44:16,812 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 12:44:16,812 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 12:44:16,812 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 12:44:16,813 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-23 12:44:16,821 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-23 12:44:16,822 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 12:44:16,823 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 12:44:16,823 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 12:44:16,823 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 12:44:16,824 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 12:44:16,824 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 12:44:16,843 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(systemActive) == 1) || (((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && 2 <= waterLevel) && !(systemActive == 0)) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || (((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 12:44:16,844 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 12:44:16,877 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_809247fe-59e7-464d-b336-18989b29da51/bin-2019/utaipan/witness.graphml [2018-11-23 12:44:16,877 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:44:16,878 INFO L168 Benchmark]: Toolchain (without parser) took 19538.82 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 910.7 MB). Free memory was 956.6 MB in the beginning and 855.4 MB in the end (delta: 101.2 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2018-11-23 12:44:16,878 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:44:16,878 INFO L168 Benchmark]: CACSL2BoogieTranslator took 374.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -168.4 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-11-23 12:44:16,879 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.30 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. [2018-11-23 12:44:16,879 INFO L168 Benchmark]: Boogie Preprocessor took 25.69 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 12:44:16,879 INFO L168 Benchmark]: RCFGBuilder took 459.80 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: 47.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 11.5 GB. [2018-11-23 12:44:16,879 INFO L168 Benchmark]: TraceAbstraction took 18572.42 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 774.4 MB). Free memory was 1.1 GB in the beginning and 875.8 MB in the end (delta: 190.8 MB). Peak memory consumption was 965.2 MB. Max. memory is 11.5 GB. [2018-11-23 12:44:16,880 INFO L168 Benchmark]: Witness Printer took 78.40 ms. Allocated memory is still 1.9 GB. Free memory was 875.8 MB in the beginning and 855.4 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2018-11-23 12:44:16,881 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 374.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -168.4 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.30 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. * Boogie Preprocessor took 25.69 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 459.80 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: 47.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 18572.42 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 774.4 MB). Free memory was 1.1 GB in the beginning and 875.8 MB in the end (delta: 190.8 MB). Peak memory consumption was 965.2 MB. Max. memory is 11.5 GB. * Witness Printer took 78.40 ms. Allocated memory is still 1.9 GB. Free memory was 875.8 MB in the beginning and 855.4 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 183]: 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: 896]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: (((((!(\old(systemActive) == 1) || (((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && 2 <= waterLevel) && !(systemActive == 0)) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || (((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 159 locations, 1 error locations. SAFE Result, 18.5s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 8.1s AutomataDifference, 0.0s DeadEndRemovalTime, 4.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 2445 SDtfs, 1798 SDslu, 8107 SDs, 0 SdLazy, 3681 SolverSat, 598 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 872 GetRequests, 737 SyntacticMatches, 5 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 729 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3252occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.5s AbstIntTime, 3 AbstIntIterations, 1 AbstIntStrong, 0.9968318068326145 AbsIntWeakeningRatio, 1.0693069306930694 AbsIntAvgWeakeningVarsNumRemoved, 82.97029702970298 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 12 MinimizatonAttempts, 1172 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 5189 PreInvPairs, 5439 NumberOfFragments, 2362 HoareAnnotationTreeSize, 5189 FomulaSimplifications, 21063 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 66 FomulaSimplificationsInter, 28567 FormulaSimplificationTreeSizeReductionInter, 3.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1441 NumberOfCodeBlocks, 1441 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1739 ConstructedInterpolants, 0 QuantifiedInterpolants, 349061 SizeOfPredicates, 12 NumberOfNonLiveVariables, 1751 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 16 InterpolantComputations, 11 PerfectInterpolantSequences, 244/262 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...