./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product60_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_219e488c-a0e6-417b-b9bd-2d4bdca4409c/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_219e488c-a0e6-417b-b9bd-2d4bdca4409c/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_219e488c-a0e6-417b-b9bd-2d4bdca4409c/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_219e488c-a0e6-417b-b9bd-2d4bdca4409c/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product60_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_219e488c-a0e6-417b-b9bd-2d4bdca4409c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_219e488c-a0e6-417b-b9bd-2d4bdca4409c/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 9f9d802e48c20b812c0aeb303e5b9a04b1c7ed3d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 08:46:09,659 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:46:09,661 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:46:09,671 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:46:09,671 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:46:09,672 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:46:09,673 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:46:09,675 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:46:09,676 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:46:09,677 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:46:09,678 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:46:09,678 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:46:09,679 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:46:09,680 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:46:09,681 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:46:09,682 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:46:09,682 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:46:09,684 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:46:09,686 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:46:09,687 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:46:09,688 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:46:09,689 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:46:09,691 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:46:09,691 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:46:09,691 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:46:09,692 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:46:09,693 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:46:09,694 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:46:09,694 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:46:09,695 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:46:09,695 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:46:09,696 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:46:09,696 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:46:09,696 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:46:09,697 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:46:09,698 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:46:09,698 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_219e488c-a0e6-417b-b9bd-2d4bdca4409c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 08:46:09,709 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:46:09,710 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:46:09,710 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 08:46:09,711 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 08:46:09,711 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 08:46:09,711 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 08:46:09,711 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 08:46:09,711 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 08:46:09,711 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 08:46:09,712 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 08:46:09,712 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 08:46:09,712 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 08:46:09,712 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 08:46:09,713 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:46:09,713 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:46:09,713 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:46:09,713 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:46:09,713 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:46:09,713 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 08:46:09,714 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 08:46:09,714 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 08:46:09,714 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:46:09,714 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:46:09,714 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:46:09,714 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 08:46:09,715 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:46:09,715 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 08:46:09,715 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 08:46:09,715 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 08:46:09,715 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 08:46:09,715 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:46:09,715 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 08:46:09,716 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 08:46:09,716 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 08:46:09,716 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 08:46:09,716 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 08:46:09,716 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 08:46:09,716 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_219e488c-a0e6-417b-b9bd-2d4bdca4409c/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 -> 9f9d802e48c20b812c0aeb303e5b9a04b1c7ed3d [2018-11-18 08:46:09,740 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:46:09,749 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:46:09,751 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:46:09,752 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:46:09,753 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:46:09,753 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_219e488c-a0e6-417b-b9bd-2d4bdca4409c/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product60_true-unreach-call_false-termination.cil.c [2018-11-18 08:46:09,789 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_219e488c-a0e6-417b-b9bd-2d4bdca4409c/bin-2019/utaipan/data/741ffabf5/940a51ea33ba4dd88eb11ece9a2979bd/FLAG7ac284fdf [2018-11-18 08:46:10,139 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:46:10,139 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_219e488c-a0e6-417b-b9bd-2d4bdca4409c/sv-benchmarks/c/product-lines/minepump_spec2_product60_true-unreach-call_false-termination.cil.c [2018-11-18 08:46:10,147 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_219e488c-a0e6-417b-b9bd-2d4bdca4409c/bin-2019/utaipan/data/741ffabf5/940a51ea33ba4dd88eb11ece9a2979bd/FLAG7ac284fdf [2018-11-18 08:46:10,547 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_219e488c-a0e6-417b-b9bd-2d4bdca4409c/bin-2019/utaipan/data/741ffabf5/940a51ea33ba4dd88eb11ece9a2979bd [2018-11-18 08:46:10,549 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:46:10,550 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 08:46:10,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:46:10,550 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:46:10,552 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:46:10,553 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:46:10" (1/1) ... [2018-11-18 08:46:10,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b5ed404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:46:10, skipping insertion in model container [2018-11-18 08:46:10,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:46:10" (1/1) ... [2018-11-18 08:46:10,561 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:46:10,590 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:46:10,792 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:46:10,800 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:46:10,893 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:46:10,912 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:46:10,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:46:10 WrapperNode [2018-11-18 08:46:10,913 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:46:10,913 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 08:46:10,914 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 08:46:10,914 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 08:46:10,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:46:10" (1/1) ... [2018-11-18 08:46:10,928 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:46:10" (1/1) ... [2018-11-18 08:46:10,933 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 08:46:10,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:46:10,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:46:10,934 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:46:10,939 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:46:10" (1/1) ... [2018-11-18 08:46:10,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:46:10" (1/1) ... [2018-11-18 08:46:10,942 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:46:10" (1/1) ... [2018-11-18 08:46:10,942 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:46:10" (1/1) ... [2018-11-18 08:46:10,952 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:46:10" (1/1) ... [2018-11-18 08:46:10,958 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:46:10" (1/1) ... [2018-11-18 08:46:10,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:46:10" (1/1) ... [2018-11-18 08:46:10,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:46:10,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:46:10,963 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:46:10,963 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:46:10,964 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:46:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_219e488c-a0e6-417b-b9bd-2d4bdca4409c/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 08:46:11,004 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 08:46:11,004 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 08:46:11,004 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 08:46:11,005 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 08:46:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 08:46:11,005 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 08:46:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 08:46:11,005 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 08:46:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 08:46:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 08:46:11,005 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 08:46:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 08:46:11,006 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 08:46:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 08:46:11,006 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 08:46:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 08:46:11,006 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 08:46:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 08:46:11,006 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 08:46:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 08:46:11,006 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 08:46:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 08:46:11,007 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 08:46:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-18 08:46:11,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-18 08:46:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-18 08:46:11,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-18 08:46:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 08:46:11,007 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 08:46:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 08:46:11,007 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 08:46:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 08:46:11,008 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 08:46:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 08:46:11,008 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 08:46:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 08:46:11,008 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 08:46:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 08:46:11,008 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 08:46:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 08:46:11,008 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 08:46:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 08:46:11,009 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 08:46:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 08:46:11,009 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 08:46:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 08:46:11,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 08:46:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 08:46:11,009 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 08:46:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 08:46:11,009 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 08:46:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 08:46:11,010 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 08:46:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 08:46:11,010 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 08:46:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 08:46:11,010 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 08:46:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 08:46:11,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 08:46:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 08:46:11,010 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 08:46:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 08:46:11,011 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 08:46:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:46:11,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:46:11,481 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:46:11,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:46:11 BoogieIcfgContainer [2018-11-18 08:46:11,481 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:46:11,482 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 08:46:11,482 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 08:46:11,485 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 08:46:11,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:46:10" (1/3) ... [2018-11-18 08:46:11,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11846743 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:46:11, skipping insertion in model container [2018-11-18 08:46:11,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:46:10" (2/3) ... [2018-11-18 08:46:11,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11846743 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:46:11, skipping insertion in model container [2018-11-18 08:46:11,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:46:11" (3/3) ... [2018-11-18 08:46:11,488 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product60_true-unreach-call_false-termination.cil.c [2018-11-18 08:46:11,497 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 08:46:11,507 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 08:46:11,522 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 08:46:11,553 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 08:46:11,553 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 08:46:11,554 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 08:46:11,554 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 08:46:11,554 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 08:46:11,554 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 08:46:11,554 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 08:46:11,554 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 08:46:11,574 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states. [2018-11-18 08:46:11,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 08:46:11,583 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:46:11,584 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:46:11,586 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:46:11,591 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:46:11,592 INFO L82 PathProgramCache]: Analyzing trace with hash -154418825, now seen corresponding path program 1 times [2018-11-18 08:46:11,594 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:46:11,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:46:11,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:46:11,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:46:11,640 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:46:11,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:46:11,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:46:11,833 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:46:11,833 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 08:46:11,833 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:46:11,838 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 08:46:11,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 08:46:11,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 08:46:11,851 INFO L87 Difference]: Start difference. First operand 170 states. Second operand 2 states. [2018-11-18 08:46:11,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:46:11,882 INFO L93 Difference]: Finished difference Result 310 states and 381 transitions. [2018-11-18 08:46:11,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 08:46:11,883 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-18 08:46:11,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:46:11,891 INFO L225 Difference]: With dead ends: 310 [2018-11-18 08:46:11,891 INFO L226 Difference]: Without dead ends: 157 [2018-11-18 08:46:11,893 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 08:46:11,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-11-18 08:46:11,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2018-11-18 08:46:11,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-11-18 08:46:11,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 184 transitions. [2018-11-18 08:46:11,925 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 184 transitions. Word has length 51 [2018-11-18 08:46:11,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:46:11,926 INFO L480 AbstractCegarLoop]: Abstraction has 157 states and 184 transitions. [2018-11-18 08:46:11,926 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 08:46:11,926 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 184 transitions. [2018-11-18 08:46:11,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 08:46:11,929 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:46:11,929 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:46:11,929 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:46:11,929 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:46:11,929 INFO L82 PathProgramCache]: Analyzing trace with hash -719958961, now seen corresponding path program 1 times [2018-11-18 08:46:11,930 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:46:11,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:46:11,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:46:11,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:46:11,931 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:46:11,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:46:12,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:46:12,013 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:46:12,013 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:46:12,013 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:46:12,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:46:12,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:46:12,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:46:12,015 INFO L87 Difference]: Start difference. First operand 157 states and 184 transitions. Second operand 3 states. [2018-11-18 08:46:12,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:46:12,037 INFO L93 Difference]: Finished difference Result 247 states and 289 transitions. [2018-11-18 08:46:12,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:46:12,038 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-18 08:46:12,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:46:12,039 INFO L225 Difference]: With dead ends: 247 [2018-11-18 08:46:12,039 INFO L226 Difference]: Without dead ends: 147 [2018-11-18 08:46:12,040 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:46:12,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-11-18 08:46:12,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-11-18 08:46:12,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-11-18 08:46:12,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 171 transitions. [2018-11-18 08:46:12,053 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 171 transitions. Word has length 53 [2018-11-18 08:46:12,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:46:12,054 INFO L480 AbstractCegarLoop]: Abstraction has 147 states and 171 transitions. [2018-11-18 08:46:12,054 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:46:12,054 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 171 transitions. [2018-11-18 08:46:12,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 08:46:12,056 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:46:12,056 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:46:12,056 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:46:12,056 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:46:12,056 INFO L82 PathProgramCache]: Analyzing trace with hash -762450718, now seen corresponding path program 1 times [2018-11-18 08:46:12,057 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:46:12,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:46:12,057 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:46:12,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:46:12,058 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:46:12,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:46:12,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:46:12,196 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:46:12,196 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 08:46:12,197 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:46:12,197 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 08:46:12,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 08:46:12,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 08:46:12,198 INFO L87 Difference]: Start difference. First operand 147 states and 171 transitions. Second operand 7 states. [2018-11-18 08:46:12,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:46:12,715 INFO L93 Difference]: Finished difference Result 437 states and 528 transitions. [2018-11-18 08:46:12,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 08:46:12,715 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-18 08:46:12,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:46:12,718 INFO L225 Difference]: With dead ends: 437 [2018-11-18 08:46:12,718 INFO L226 Difference]: Without dead ends: 318 [2018-11-18 08:46:12,719 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 08:46:12,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2018-11-18 08:46:12,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 306. [2018-11-18 08:46:12,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2018-11-18 08:46:12,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 369 transitions. [2018-11-18 08:46:12,752 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 369 transitions. Word has length 58 [2018-11-18 08:46:12,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:46:12,752 INFO L480 AbstractCegarLoop]: Abstraction has 306 states and 369 transitions. [2018-11-18 08:46:12,752 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 08:46:12,753 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 369 transitions. [2018-11-18 08:46:12,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 08:46:12,755 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:46:12,755 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:46:12,755 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:46:12,755 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:46:12,755 INFO L82 PathProgramCache]: Analyzing trace with hash 1673770726, now seen corresponding path program 1 times [2018-11-18 08:46:12,756 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:46:12,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:46:12,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:46:12,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:46:12,757 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:46:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:46:12,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:46:12,851 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:46:12,851 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 08:46:12,851 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:46:12,852 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 08:46:12,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 08:46:12,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 08:46:12,852 INFO L87 Difference]: Start difference. First operand 306 states and 369 transitions. Second operand 6 states. [2018-11-18 08:46:13,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:46:13,014 INFO L93 Difference]: Finished difference Result 844 states and 1041 transitions. [2018-11-18 08:46:13,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 08:46:13,014 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-11-18 08:46:13,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:46:13,017 INFO L225 Difference]: With dead ends: 844 [2018-11-18 08:46:13,017 INFO L226 Difference]: Without dead ends: 566 [2018-11-18 08:46:13,018 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 08:46:13,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2018-11-18 08:46:13,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 560. [2018-11-18 08:46:13,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2018-11-18 08:46:13,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 678 transitions. [2018-11-18 08:46:13,052 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 678 transitions. Word has length 63 [2018-11-18 08:46:13,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:46:13,052 INFO L480 AbstractCegarLoop]: Abstraction has 560 states and 678 transitions. [2018-11-18 08:46:13,052 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 08:46:13,052 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 678 transitions. [2018-11-18 08:46:13,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 08:46:13,054 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:46:13,055 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:46:13,055 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:46:13,055 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:46:13,055 INFO L82 PathProgramCache]: Analyzing trace with hash -1862303902, now seen corresponding path program 1 times [2018-11-18 08:46:13,055 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:46:13,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:46:13,056 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:46:13,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:46:13,056 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:46:13,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:46:13,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:46:13,153 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:46:13,153 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 08:46:13,153 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:46:13,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 08:46:13,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 08:46:13,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 08:46:13,154 INFO L87 Difference]: Start difference. First operand 560 states and 678 transitions. Second operand 7 states. [2018-11-18 08:46:13,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:46:13,674 INFO L93 Difference]: Finished difference Result 1437 states and 1860 transitions. [2018-11-18 08:46:13,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 08:46:13,675 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 67 [2018-11-18 08:46:13,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:46:13,679 INFO L225 Difference]: With dead ends: 1437 [2018-11-18 08:46:13,679 INFO L226 Difference]: Without dead ends: 905 [2018-11-18 08:46:13,681 INFO L604 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 [2018-11-18 08:46:13,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2018-11-18 08:46:13,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 801. [2018-11-18 08:46:13,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 801 states. [2018-11-18 08:46:13,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 965 transitions. [2018-11-18 08:46:13,726 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 965 transitions. Word has length 67 [2018-11-18 08:46:13,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:46:13,726 INFO L480 AbstractCegarLoop]: Abstraction has 801 states and 965 transitions. [2018-11-18 08:46:13,726 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 08:46:13,726 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 965 transitions. [2018-11-18 08:46:13,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 08:46:13,728 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:46:13,729 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:46:13,729 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:46:13,729 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:46:13,729 INFO L82 PathProgramCache]: Analyzing trace with hash -1870582557, now seen corresponding path program 1 times [2018-11-18 08:46:13,729 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:46:13,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:46:13,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:46:13,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:46:13,730 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:46:13,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:46:13,798 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 08:46:13,798 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:46:13,798 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 08:46:13,798 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:46:13,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 08:46:13,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 08:46:13,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 08:46:13,800 INFO L87 Difference]: Start difference. First operand 801 states and 965 transitions. Second operand 6 states. [2018-11-18 08:46:13,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:46:13,851 INFO L93 Difference]: Finished difference Result 1602 states and 1990 transitions. [2018-11-18 08:46:13,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 08:46:13,852 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 105 [2018-11-18 08:46:13,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:46:13,856 INFO L225 Difference]: With dead ends: 1602 [2018-11-18 08:46:13,856 INFO L226 Difference]: Without dead ends: 829 [2018-11-18 08:46:13,858 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 08:46:13,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 829 states. [2018-11-18 08:46:13,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 829 to 821. [2018-11-18 08:46:13,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 821 states. [2018-11-18 08:46:13,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 985 transitions. [2018-11-18 08:46:13,899 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 985 transitions. Word has length 105 [2018-11-18 08:46:13,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:46:13,900 INFO L480 AbstractCegarLoop]: Abstraction has 821 states and 985 transitions. [2018-11-18 08:46:13,900 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 08:46:13,900 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 985 transitions. [2018-11-18 08:46:13,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 08:46:13,902 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:46:13,902 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:46:13,902 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:46:13,902 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:46:13,903 INFO L82 PathProgramCache]: Analyzing trace with hash 57690145, now seen corresponding path program 1 times [2018-11-18 08:46:13,903 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:46:13,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:46:13,903 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:46:13,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:46:13,903 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:46:13,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:46:13,987 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 08:46:13,988 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:46:13,988 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 08:46:13,988 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:46:13,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 08:46:13,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 08:46:13,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 08:46:13,989 INFO L87 Difference]: Start difference. First operand 821 states and 985 transitions. Second operand 8 states. [2018-11-18 08:46:14,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:46:14,040 INFO L93 Difference]: Finished difference Result 1642 states and 2030 transitions. [2018-11-18 08:46:14,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 08:46:14,041 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 105 [2018-11-18 08:46:14,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:46:14,044 INFO L225 Difference]: With dead ends: 1642 [2018-11-18 08:46:14,045 INFO L226 Difference]: Without dead ends: 849 [2018-11-18 08:46:14,047 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 08:46:14,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2018-11-18 08:46:14,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 837. [2018-11-18 08:46:14,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 837 states. [2018-11-18 08:46:14,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 1001 transitions. [2018-11-18 08:46:14,091 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 1001 transitions. Word has length 105 [2018-11-18 08:46:14,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:46:14,092 INFO L480 AbstractCegarLoop]: Abstraction has 837 states and 1001 transitions. [2018-11-18 08:46:14,092 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 08:46:14,092 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1001 transitions. [2018-11-18 08:46:14,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 08:46:14,094 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:46:14,094 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:46:14,095 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:46:14,095 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:46:14,095 INFO L82 PathProgramCache]: Analyzing trace with hash -182849984, now seen corresponding path program 1 times [2018-11-18 08:46:14,095 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:46:14,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:46:14,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:46:14,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:46:14,096 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:46:14,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:46:14,158 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 08:46:14,158 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:46:14,158 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 08:46:14,158 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:46:14,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 08:46:14,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 08:46:14,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 08:46:14,159 INFO L87 Difference]: Start difference. First operand 837 states and 1001 transitions. Second operand 4 states. [2018-11-18 08:46:14,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:46:14,425 INFO L93 Difference]: Finished difference Result 2649 states and 3318 transitions. [2018-11-18 08:46:14,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 08:46:14,426 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 105 [2018-11-18 08:46:14,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:46:14,434 INFO L225 Difference]: With dead ends: 2649 [2018-11-18 08:46:14,434 INFO L226 Difference]: Without dead ends: 1840 [2018-11-18 08:46:14,438 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 08:46:14,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1840 states. [2018-11-18 08:46:14,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1840 to 1809. [2018-11-18 08:46:14,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1809 states. [2018-11-18 08:46:14,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 1809 states and 2217 transitions. [2018-11-18 08:46:14,544 INFO L78 Accepts]: Start accepts. Automaton has 1809 states and 2217 transitions. Word has length 105 [2018-11-18 08:46:14,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:46:14,545 INFO L480 AbstractCegarLoop]: Abstraction has 1809 states and 2217 transitions. [2018-11-18 08:46:14,545 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 08:46:14,545 INFO L276 IsEmpty]: Start isEmpty. Operand 1809 states and 2217 transitions. [2018-11-18 08:46:14,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 08:46:14,548 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:46:14,549 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:46:14,549 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:46:14,549 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:46:14,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1995695866, now seen corresponding path program 1 times [2018-11-18 08:46:14,549 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:46:14,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:46:14,550 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:46:14,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:46:14,550 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:46:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:46:14,719 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 08:46:14,719 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:46:14,720 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 08:46:14,720 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 110 with the following transitions: [2018-11-18 08:46:14,722 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [40], [44], [46], [47], [50], [65], [68], [69], [73], [74], [76], [80], [86], [90], [94], [97], [102], [105], [110], [116], [122], [130], [131], [134], [136], [139], [141], [144], [147], [159], [160], [161], [162], [163], [165], [170], [173], [174], [176], [181], [183], [184], [189], [191], [197], [201], [235], [236], [244], [248], [251], [253], [256], [266], [271], [275], [276], [279], [280], [281], [282], [283], [284], [285], [286], [287], [293], [294], [295], [297], [298], [305], [306], [307], [308], [309], [310], [315], [319], [320], [321], [322], [323], [325], [326], [327], [328], [329], [330], [333], [334], [335], [341], [342], [343], [345], [346], [347], [348] [2018-11-18 08:46:14,752 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 08:46:14,753 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 08:46:15,215 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 08:46:15,216 INFO L272 AbstractInterpreter]: Visited 105 different actions 107 times. Never merged. Never widened. Performed 3215 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3215 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 135 variables. [2018-11-18 08:46:15,241 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:46:15,241 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 08:46:15,574 INFO L227 lantSequenceWeakener]: Weakened 105 states. On average, predicates are now at 96.94% of their original sizes. [2018-11-18 08:46:15,574 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 08:46:15,815 INFO L415 sIntCurrentIteration]: We unified 108 AI predicates to 108 [2018-11-18 08:46:15,815 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 08:46:15,816 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 08:46:15,816 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [28] imperfect sequences [13] total 39 [2018-11-18 08:46:15,816 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:46:15,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-11-18 08:46:15,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-11-18 08:46:15,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=656, Unknown=0, NotChecked=0, Total=756 [2018-11-18 08:46:15,817 INFO L87 Difference]: Start difference. First operand 1809 states and 2217 transitions. Second operand 28 states. [2018-11-18 08:46:29,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:46:29,041 INFO L93 Difference]: Finished difference Result 6739 states and 8730 transitions. [2018-11-18 08:46:29,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-11-18 08:46:29,041 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 109 [2018-11-18 08:46:29,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:46:29,054 INFO L225 Difference]: With dead ends: 6739 [2018-11-18 08:46:29,054 INFO L226 Difference]: Without dead ends: 4958 [2018-11-18 08:46:29,059 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 140 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 797 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=374, Invalid=3166, Unknown=0, NotChecked=0, Total=3540 [2018-11-18 08:46:29,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4958 states. [2018-11-18 08:46:29,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4958 to 4699. [2018-11-18 08:46:29,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4699 states. [2018-11-18 08:46:29,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4699 states to 4699 states and 5845 transitions. [2018-11-18 08:46:29,192 INFO L78 Accepts]: Start accepts. Automaton has 4699 states and 5845 transitions. Word has length 109 [2018-11-18 08:46:29,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:46:29,192 INFO L480 AbstractCegarLoop]: Abstraction has 4699 states and 5845 transitions. [2018-11-18 08:46:29,193 INFO L481 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-11-18 08:46:29,193 INFO L276 IsEmpty]: Start isEmpty. Operand 4699 states and 5845 transitions. [2018-11-18 08:46:29,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-18 08:46:29,198 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:46:29,199 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:46:29,199 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:46:29,199 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:46:29,199 INFO L82 PathProgramCache]: Analyzing trace with hash -1090248521, now seen corresponding path program 1 times [2018-11-18 08:46:29,199 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:46:29,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:46:29,200 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:46:29,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:46:29,200 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:46:29,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:46:29,376 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 24 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 08:46:29,376 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:46:29,376 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 08:46:29,376 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 176 with the following transitions: [2018-11-18 08:46:29,377 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [31], [34], [38], [39], [40], [44], [46], [47], [50], [53], [55], [61], [65], [68], [69], [73], [74], [75], [76], [80], [86], [90], [94], [97], [102], [105], [108], [110], [116], [122], [130], [131], [132], [133], [134], [136], [139], [141], [144], [147], [150], [158], [159], [160], [161], [162], [163], [165], [170], [173], [174], [176], [181], [183], [184], [189], [191], [194], [197], [201], [207], [235], [236], [241], [243], [244], [248], [251], [253], [256], [263], [266], [271], [275], [276], [279], [280], [281], [282], [283], [284], [285], [286], [287], [291], [292], [293], [294], [295], [297], [298], [299], [300], [303], [304], [305], [306], [307], [308], [309], [310], [315], [316], [319], [320], [321], [322], [323], [325], [326], [327], [328], [329], [330], [331], [332], [333], [334], [335], [336], [341], [342], [343], [345], [346], [347], [348], [351], [352] [2018-11-18 08:46:29,380 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 08:46:29,380 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 08:46:29,983 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 08:46:29,984 INFO L272 AbstractInterpreter]: Visited 114 different actions 185 times. Merged at 10 different actions 10 times. Never widened. Performed 9871 root evaluator evaluations with a maximum evaluation depth of 3. Performed 9871 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 135 variables. [2018-11-18 08:46:30,005 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:46:30,005 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 08:46:30,508 INFO L227 lantSequenceWeakener]: Weakened 146 states. On average, predicates are now at 96.19% of their original sizes. [2018-11-18 08:46:30,508 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 08:46:30,779 INFO L415 sIntCurrentIteration]: We unified 174 AI predicates to 174 [2018-11-18 08:46:30,779 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 08:46:30,779 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 08:46:30,779 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [31] imperfect sequences [13] total 42 [2018-11-18 08:46:30,779 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:46:30,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-11-18 08:46:30,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-11-18 08:46:30,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=808, Unknown=0, NotChecked=0, Total=930 [2018-11-18 08:46:30,780 INFO L87 Difference]: Start difference. First operand 4699 states and 5845 transitions. Second operand 31 states. [2018-11-18 08:46:40,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:46:40,702 INFO L93 Difference]: Finished difference Result 10981 states and 13753 transitions. [2018-11-18 08:46:40,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-11-18 08:46:40,702 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 175 [2018-11-18 08:46:40,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:46:40,727 INFO L225 Difference]: With dead ends: 10981 [2018-11-18 08:46:40,728 INFO L226 Difference]: Without dead ends: 6698 [2018-11-18 08:46:40,738 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 206 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1007 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=402, Invalid=3504, Unknown=0, NotChecked=0, Total=3906 [2018-11-18 08:46:40,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6698 states. [2018-11-18 08:46:41,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6698 to 6119. [2018-11-18 08:46:41,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6119 states. [2018-11-18 08:46:41,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6119 states to 6119 states and 7487 transitions. [2018-11-18 08:46:41,056 INFO L78 Accepts]: Start accepts. Automaton has 6119 states and 7487 transitions. Word has length 175 [2018-11-18 08:46:41,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:46:41,057 INFO L480 AbstractCegarLoop]: Abstraction has 6119 states and 7487 transitions. [2018-11-18 08:46:41,057 INFO L481 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-11-18 08:46:41,057 INFO L276 IsEmpty]: Start isEmpty. Operand 6119 states and 7487 transitions. [2018-11-18 08:46:41,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-18 08:46:41,068 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:46:41,068 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:46:41,069 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:46:41,069 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:46:41,069 INFO L82 PathProgramCache]: Analyzing trace with hash -333230382, now seen corresponding path program 1 times [2018-11-18 08:46:41,069 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:46:41,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:46:41,070 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:46:41,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:46:41,070 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:46:41,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:46:41,126 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 08:46:41,126 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:46:41,126 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 08:46:41,127 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:46:41,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 08:46:41,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 08:46:41,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 08:46:41,127 INFO L87 Difference]: Start difference. First operand 6119 states and 7487 transitions. Second operand 4 states. [2018-11-18 08:46:41,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:46:41,433 INFO L93 Difference]: Finished difference Result 9406 states and 11524 transitions. [2018-11-18 08:46:41,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 08:46:41,434 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 183 [2018-11-18 08:46:41,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:46:41,446 INFO L225 Difference]: With dead ends: 9406 [2018-11-18 08:46:41,447 INFO L226 Difference]: Without dead ends: 3373 [2018-11-18 08:46:41,458 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 08:46:41,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3373 states. [2018-11-18 08:46:41,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3373 to 3306. [2018-11-18 08:46:41,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3306 states. [2018-11-18 08:46:41,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3306 states to 3306 states and 3979 transitions. [2018-11-18 08:46:41,626 INFO L78 Accepts]: Start accepts. Automaton has 3306 states and 3979 transitions. Word has length 183 [2018-11-18 08:46:41,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:46:41,626 INFO L480 AbstractCegarLoop]: Abstraction has 3306 states and 3979 transitions. [2018-11-18 08:46:41,626 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 08:46:41,627 INFO L276 IsEmpty]: Start isEmpty. Operand 3306 states and 3979 transitions. [2018-11-18 08:46:41,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-18 08:46:41,633 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:46:41,633 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:46:41,634 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:46:41,634 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:46:41,634 INFO L82 PathProgramCache]: Analyzing trace with hash -1863249617, now seen corresponding path program 1 times [2018-11-18 08:46:41,634 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:46:41,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:46:41,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:46:41,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:46:41,635 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:46:41,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:46:41,771 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 08:46:41,772 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:46:41,772 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 08:46:41,772 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 172 with the following transitions: [2018-11-18 08:46:41,772 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [31], [34], [38], [39], [40], [44], [46], [47], [50], [53], [55], [61], [65], [68], [69], [73], [74], [75], [76], [80], [86], [90], [94], [97], [100], [102], [105], [108], [110], [116], [122], [130], [131], [132], [133], [134], [136], [139], [141], [144], [147], [150], [158], [159], [160], [161], [162], [163], [165], [170], [173], [174], [176], [181], [183], [184], [189], [191], [194], [197], [201], [207], [235], [236], [239], [243], [244], [248], [251], [253], [256], [263], [266], [271], [275], [276], [279], [280], [281], [282], [283], [284], [285], [286], [287], [291], [292], [293], [294], [295], [297], [298], [299], [300], [303], [304], [305], [306], [307], [308], [309], [310], [315], [316], [319], [320], [321], [322], [323], [325], [326], [327], [328], [329], [330], [331], [332], [333], [334], [335], [336], [341], [342], [343], [345], [346], [347], [348], [351], [352] [2018-11-18 08:46:41,775 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 08:46:41,775 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 08:46:42,753 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 08:46:42,754 INFO L272 AbstractInterpreter]: Visited 139 different actions 758 times. Merged at 22 different actions 59 times. Never widened. Performed 27515 root evaluator evaluations with a maximum evaluation depth of 5. Performed 27515 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 9 fixpoints after 5 different actions. Largest state had 135 variables. [2018-11-18 08:46:42,761 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:46:42,762 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 08:46:42,762 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:46:42,762 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_219e488c-a0e6-417b-b9bd-2d4bdca4409c/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 08:46:42,768 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:46:42,768 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 08:46:42,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:46:42,877 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:46:43,083 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 08:46:43,084 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 08:46:43,797 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 08:46:43,814 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 08:46:43,814 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-11-18 08:46:43,815 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:46:43,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 08:46:43,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 08:46:43,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-18 08:46:43,815 INFO L87 Difference]: Start difference. First operand 3306 states and 3979 transitions. Second operand 8 states. [2018-11-18 08:46:44,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:46:44,219 INFO L93 Difference]: Finished difference Result 5867 states and 7114 transitions. [2018-11-18 08:46:44,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 08:46:44,219 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 171 [2018-11-18 08:46:44,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:46:44,226 INFO L225 Difference]: With dead ends: 5867 [2018-11-18 08:46:44,227 INFO L226 Difference]: Without dead ends: 2855 [2018-11-18 08:46:44,232 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 324 SyntacticMatches, 8 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-18 08:46:44,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2855 states. [2018-11-18 08:46:44,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2855 to 2843. [2018-11-18 08:46:44,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2843 states. [2018-11-18 08:46:44,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2843 states to 2843 states and 3360 transitions. [2018-11-18 08:46:44,371 INFO L78 Accepts]: Start accepts. Automaton has 2843 states and 3360 transitions. Word has length 171 [2018-11-18 08:46:44,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:46:44,372 INFO L480 AbstractCegarLoop]: Abstraction has 2843 states and 3360 transitions. [2018-11-18 08:46:44,372 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 08:46:44,372 INFO L276 IsEmpty]: Start isEmpty. Operand 2843 states and 3360 transitions. [2018-11-18 08:46:44,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-18 08:46:44,378 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:46:44,379 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:46:44,379 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:46:44,379 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:46:44,379 INFO L82 PathProgramCache]: Analyzing trace with hash 1580681014, now seen corresponding path program 1 times [2018-11-18 08:46:44,379 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:46:44,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:46:44,380 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:46:44,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:46:44,380 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:46:44,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:46:44,472 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-11-18 08:46:44,473 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:46:44,473 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 08:46:44,473 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:46:44,474 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 08:46:44,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 08:46:44,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 08:46:44,474 INFO L87 Difference]: Start difference. First operand 2843 states and 3360 transitions. Second operand 5 states. [2018-11-18 08:46:45,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:46:45,051 INFO L93 Difference]: Finished difference Result 5874 states and 7186 transitions. [2018-11-18 08:46:45,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 08:46:45,051 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 230 [2018-11-18 08:46:45,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:46:45,063 INFO L225 Difference]: With dead ends: 5874 [2018-11-18 08:46:45,063 INFO L226 Difference]: Without dead ends: 3828 [2018-11-18 08:46:45,068 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-18 08:46:45,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3828 states. [2018-11-18 08:46:45,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3828 to 3378. [2018-11-18 08:46:45,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3378 states. [2018-11-18 08:46:45,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3378 states to 3378 states and 4020 transitions. [2018-11-18 08:46:45,245 INFO L78 Accepts]: Start accepts. Automaton has 3378 states and 4020 transitions. Word has length 230 [2018-11-18 08:46:45,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:46:45,246 INFO L480 AbstractCegarLoop]: Abstraction has 3378 states and 4020 transitions. [2018-11-18 08:46:45,246 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 08:46:45,246 INFO L276 IsEmpty]: Start isEmpty. Operand 3378 states and 4020 transitions. [2018-11-18 08:46:45,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-18 08:46:45,253 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:46:45,253 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:46:45,253 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:46:45,253 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:46:45,253 INFO L82 PathProgramCache]: Analyzing trace with hash -985751950, now seen corresponding path program 1 times [2018-11-18 08:46:45,254 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:46:45,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:46:45,254 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:46:45,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:46:45,254 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:46:45,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:46:45,383 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 57 proven. 26 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-18 08:46:45,384 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:46:45,384 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 08:46:45,384 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 227 with the following transitions: [2018-11-18 08:46:45,384 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [31], [34], [38], [39], [40], [44], [46], [47], [50], [53], [55], [61], [65], [68], [69], [73], [74], [75], [76], [80], [86], [90], [94], [97], [100], [102], [105], [108], [110], [116], [122], [130], [131], [132], [133], [134], [136], [139], [141], [144], [147], [150], [156], [158], [159], [160], [161], [162], [163], [165], [170], [173], [174], [176], [181], [183], [184], [189], [191], [194], [197], [201], [207], [235], [236], [239], [241], [243], [244], [248], [251], [253], [256], [263], [266], [271], [275], [276], [279], [280], [281], [282], [283], [284], [285], [286], [287], [291], [292], [293], [294], [295], [297], [298], [299], [300], [303], [304], [305], [306], [307], [308], [309], [310], [315], [316], [319], [320], [321], [322], [323], [325], [326], [327], [328], [329], [330], [331], [332], [333], [334], [335], [336], [341], [342], [343], [345], [346], [347], [348], [351], [352] [2018-11-18 08:46:45,388 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 08:46:45,391 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 08:46:47,370 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 08:46:47,371 INFO L272 AbstractInterpreter]: Visited 141 different actions 1658 times. Merged at 26 different actions 182 times. Widened at 1 different actions 1 times. Performed 54065 root evaluator evaluations with a maximum evaluation depth of 5. Performed 54065 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 48 fixpoints after 9 different actions. Largest state had 135 variables. [2018-11-18 08:46:47,377 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:46:47,378 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 08:46:47,378 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:46:47,378 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_219e488c-a0e6-417b-b9bd-2d4bdca4409c/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 [2018-11-18 08:46:47,384 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:46:47,384 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 08:46:47,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:46:47,470 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:46:47,546 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 91 proven. 32 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 08:46:47,546 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 08:46:47,786 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 46 proven. 25 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-18 08:46:47,810 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 08:46:47,810 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 8] total 17 [2018-11-18 08:46:47,810 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 08:46:47,811 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-18 08:46:47,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-18 08:46:47,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2018-11-18 08:46:47,812 INFO L87 Difference]: Start difference. First operand 3378 states and 4020 transitions. Second operand 13 states. [2018-11-18 08:46:49,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:46:49,314 INFO L93 Difference]: Finished difference Result 9292 states and 12090 transitions. [2018-11-18 08:46:49,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-18 08:46:49,314 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 226 [2018-11-18 08:46:49,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:46:49,328 INFO L225 Difference]: With dead ends: 9292 [2018-11-18 08:46:49,328 INFO L226 Difference]: Without dead ends: 6513 [2018-11-18 08:46:49,333 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 495 GetRequests, 457 SyntacticMatches, 4 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=290, Invalid=970, Unknown=0, NotChecked=0, Total=1260 [2018-11-18 08:46:49,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6513 states. [2018-11-18 08:46:49,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6513 to 5322. [2018-11-18 08:46:49,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5322 states. [2018-11-18 08:46:49,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5322 states to 5322 states and 6347 transitions. [2018-11-18 08:46:49,511 INFO L78 Accepts]: Start accepts. Automaton has 5322 states and 6347 transitions. Word has length 226 [2018-11-18 08:46:49,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:46:49,511 INFO L480 AbstractCegarLoop]: Abstraction has 5322 states and 6347 transitions. [2018-11-18 08:46:49,511 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-18 08:46:49,511 INFO L276 IsEmpty]: Start isEmpty. Operand 5322 states and 6347 transitions. [2018-11-18 08:46:49,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-18 08:46:49,516 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:46:49,516 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:46:49,516 INFO L423 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:46:49,517 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:46:49,517 INFO L82 PathProgramCache]: Analyzing trace with hash 718721650, now seen corresponding path program 1 times [2018-11-18 08:46:49,517 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:46:49,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:46:49,517 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:46:49,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:46:49,518 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:46:49,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:46:49,600 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 47 proven. 8 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-18 08:46:49,600 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:46:49,600 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 08:46:49,600 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 227 with the following transitions: [2018-11-18 08:46:49,601 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [31], [34], [36], [38], [39], [40], [44], [46], [47], [50], [53], [55], [61], [65], [68], [69], [73], [74], [75], [76], [80], [86], [90], [94], [97], [100], [102], [105], [108], [110], [116], [122], [130], [131], [132], [133], [134], [136], [139], [141], [144], [147], [150], [156], [158], [159], [160], [161], [162], [163], [165], [170], [173], [174], [176], [181], [183], [184], [189], [191], [194], [197], [201], [207], [235], [236], [239], [243], [244], [248], [251], [253], [256], [263], [266], [271], [275], [276], [279], [280], [281], [282], [283], [284], [285], [286], [287], [291], [292], [293], [294], [295], [297], [298], [299], [300], [303], [304], [305], [306], [307], [308], [309], [310], [315], [316], [319], [320], [321], [322], [323], [325], [326], [327], [328], [329], [330], [331], [332], [333], [334], [335], [336], [341], [342], [343], [345], [346], [347], [348], [351], [352] [2018-11-18 08:46:49,602 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 08:46:49,603 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 08:46:51,329 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 08:46:51,329 INFO L272 AbstractInterpreter]: Visited 141 different actions 1666 times. Merged at 31 different actions 198 times. Widened at 1 different actions 1 times. Performed 55431 root evaluator evaluations with a maximum evaluation depth of 5. Performed 55431 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 48 fixpoints after 7 different actions. Largest state had 135 variables. [2018-11-18 08:46:51,330 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:46:51,331 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 08:46:51,331 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:46:51,331 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_219e488c-a0e6-417b-b9bd-2d4bdca4409c/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 08:46:51,337 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:46:51,337 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 08:46:51,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:46:51,407 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:46:51,443 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-18 08:46:51,443 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 08:46:51,704 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 47 proven. 8 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-18 08:46:51,719 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 08:46:51,720 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 6] total 13 [2018-11-18 08:46:51,720 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:46:51,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 08:46:51,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 08:46:51,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-18 08:46:51,721 INFO L87 Difference]: Start difference. First operand 5322 states and 6347 transitions. Second operand 6 states. [2018-11-18 08:46:51,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:46:51,807 INFO L93 Difference]: Finished difference Result 5964 states and 7073 transitions. [2018-11-18 08:46:51,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 08:46:51,807 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 226 [2018-11-18 08:46:51,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:46:51,808 INFO L225 Difference]: With dead ends: 5964 [2018-11-18 08:46:51,808 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 08:46:51,814 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 463 GetRequests, 447 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-11-18 08:46:51,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 08:46:51,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 08:46:51,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 08:46:51,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 08:46:51,815 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 226 [2018-11-18 08:46:51,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:46:51,815 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 08:46:51,815 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 08:46:51,815 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 08:46:51,815 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 08:46:51,819 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 08:46:51,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:51,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,073 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,087 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,096 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,522 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,719 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,821 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:52,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,131 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,222 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,224 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,372 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,447 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:53,641 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 38 [2018-11-18 08:46:53,848 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 39 [2018-11-18 08:46:54,110 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 43 [2018-11-18 08:46:54,251 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 37 [2018-11-18 08:46:54,443 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 37 [2018-11-18 08:46:54,665 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 34 [2018-11-18 08:46:54,984 WARN L180 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 55 [2018-11-18 08:46:55,403 WARN L180 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 54 [2018-11-18 08:46:55,566 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 44 [2018-11-18 08:46:56,026 WARN L180 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 67 [2018-11-18 08:46:56,177 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 38 [2018-11-18 08:46:56,281 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 41 [2018-11-18 08:46:56,466 WARN L180 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 41 [2018-11-18 08:46:56,698 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 35 [2018-11-18 08:46:56,896 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 29 [2018-11-18 08:46:57,008 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 38 [2018-11-18 08:46:57,308 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 41 [2018-11-18 08:46:57,439 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 36 [2018-11-18 08:46:57,724 WARN L180 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 43 [2018-11-18 08:46:58,038 WARN L180 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 48 [2018-11-18 08:46:58,292 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 42 [2018-11-18 08:46:58,676 WARN L180 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 52 [2018-11-18 08:46:59,004 WARN L180 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 41 [2018-11-18 08:46:59,353 WARN L180 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 43 [2018-11-18 08:46:59,355 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 282 288) the Hoare annotation is: true [2018-11-18 08:46:59,355 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 282 288) no Hoare annotation was computed. [2018-11-18 08:46:59,355 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 289 297) no Hoare annotation was computed. [2018-11-18 08:46:59,355 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 289 297) the Hoare annotation is: true [2018-11-18 08:46:59,355 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 289 297) no Hoare annotation was computed. [2018-11-18 08:46:59,355 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 240 262) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 08:46:59,355 INFO L421 ceAbstractionStarter]: At program point L252(line 252) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= main_~tmp~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 08:46:59,356 INFO L421 ceAbstractionStarter]: At program point L252-1(line 252) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= main_~tmp~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 08:46:59,356 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 257) no Hoare annotation was computed. [2018-11-18 08:46:59,356 INFO L425 ceAbstractionStarter]: For program point L250-1(lines 250 257) no Hoare annotation was computed. [2018-11-18 08:46:59,356 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 240 262) no Hoare annotation was computed. [2018-11-18 08:46:59,356 INFO L425 ceAbstractionStarter]: For program point L248(line 248) no Hoare annotation was computed. [2018-11-18 08:46:59,356 INFO L421 ceAbstractionStarter]: At program point L247(line 247) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 08:46:59,356 INFO L421 ceAbstractionStarter]: At program point L246(line 246) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 08:46:59,356 INFO L421 ceAbstractionStarter]: At program point L246-1(line 246) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 08:46:59,356 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 240 262) no Hoare annotation was computed. [2018-11-18 08:46:59,356 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 954 968) no Hoare annotation was computed. [2018-11-18 08:46:59,356 INFO L421 ceAbstractionStarter]: At program point L960(line 960) the Hoare annotation is: (let ((.cse8 (< ~waterLevel~0 1)) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~systemActive~0)| 1))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< ~waterLevel~0 2)) (.cse0 (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 (or (or .cse1 .cse2 .cse3 .cse4) .cse5)) (or (or (or .cse6 .cse7) .cse4) .cse8) (or .cse8 (or .cse1 .cse6 .cse4)) (or (or (or .cse3 .cse2 .cse4 .cse7) .cse5) .cse0))) [2018-11-18 08:46:59,357 INFO L425 ceAbstractionStarter]: For program point L958(lines 958 964) no Hoare annotation was computed. [2018-11-18 08:46:59,357 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 954 968) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (= |old(~systemActive~0)| 1))) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse8 (< ~waterLevel~0 2)) (.cse9 (and (= ~systemActive~0 1) .cse0))) (and (or .cse0 .cse1 (or (or .cse2 .cse3) .cse4)) (or .cse1 .cse0 (or .cse5 .cse2 .cse4)) (or (or (or .cse5 .cse6 .cse7 .cse4) .cse8) .cse9) (or (or (or .cse7 .cse6 .cse4 .cse3) .cse8) .cse9)))) [2018-11-18 08:46:59,357 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 954 968) no Hoare annotation was computed. [2018-11-18 08:46:59,357 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 871 879) no Hoare annotation was computed. [2018-11-18 08:46:59,357 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 871 879) the Hoare annotation is: true [2018-11-18 08:46:59,357 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 871 879) no Hoare annotation was computed. [2018-11-18 08:46:59,357 INFO L425 ceAbstractionStarter]: For program point L944(lines 944 948) no Hoare annotation was computed. [2018-11-18 08:46:59,357 INFO L428 ceAbstractionStarter]: At program point L942(line 942) the Hoare annotation is: true [2018-11-18 08:46:59,357 INFO L425 ceAbstractionStarter]: For program point L944-2(lines 944 948) no Hoare annotation was computed. [2018-11-18 08:46:59,357 INFO L425 ceAbstractionStarter]: For program point L942-1(line 942) no Hoare annotation was computed. [2018-11-18 08:46:59,357 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 935 953) the Hoare annotation is: true [2018-11-18 08:46:59,357 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 935 953) no Hoare annotation was computed. [2018-11-18 08:46:59,357 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 935 953) no Hoare annotation was computed. [2018-11-18 08:46:59,357 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 275 281) no Hoare annotation was computed. [2018-11-18 08:46:59,357 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 275 281) the Hoare annotation is: true [2018-11-18 08:46:59,358 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 226 236) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 08:46:59,358 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 226 236) no Hoare annotation was computed. [2018-11-18 08:46:59,358 INFO L421 ceAbstractionStarter]: At program point L231(line 231) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 08:46:59,358 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 226 236) no Hoare annotation was computed. [2018-11-18 08:46:59,358 INFO L428 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: true [2018-11-18 08:46:59,358 INFO L425 ceAbstractionStarter]: For program point L865-1(line 865) no Hoare annotation was computed. [2018-11-18 08:46:59,358 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 860 870) the Hoare annotation is: true [2018-11-18 08:46:59,358 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 860 870) no Hoare annotation was computed. [2018-11-18 08:46:59,358 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 860 870) no Hoare annotation was computed. [2018-11-18 08:46:59,358 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 852 859) the Hoare annotation is: (let ((.cse3 (< ~waterLevel~0 1)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse3) (or .cse3 .cse2 (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1)))) [2018-11-18 08:46:59,358 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 852 859) no Hoare annotation was computed. [2018-11-18 08:46:59,358 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 852 859) no Hoare annotation was computed. [2018-11-18 08:46:59,358 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 801 825) no Hoare annotation was computed. [2018-11-18 08:46:59,359 INFO L421 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (< ~waterLevel~0 1)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2 (< ~waterLevel~0 2) .cse3 .cse4)) (or .cse5 .cse3 (let ((.cse6 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse6 .cse7) (or .cse1 .cse6))) .cse4) (or .cse0 (or .cse1 .cse2 .cse3 .cse4 (not (= ~waterLevel~0 1)))) (or .cse2 .cse5 .cse0 .cse3 .cse4 .cse7))) [2018-11-18 08:46:59,359 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 801 825) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (let ((.cse3 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse3 .cse4) (or .cse5 .cse3))) .cse6) (or .cse0 (or .cse5 .cse7 (< ~waterLevel~0 2) .cse2 .cse6)) (or .cse0 (or .cse5 .cse7 .cse2 .cse6 (not (= ~waterLevel~0 1)))) (or .cse7 .cse1 .cse0 .cse2 .cse6 .cse4))) [2018-11-18 08:46:59,359 INFO L425 ceAbstractionStarter]: For program point L820-1(lines 801 825) no Hoare annotation was computed. [2018-11-18 08:46:59,359 INFO L421 ceAbstractionStarter]: At program point L815(line 815) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1 .cse2 .cse3) (or .cse4 .cse1 (let ((.cse5 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse5 .cse3) (or .cse6 .cse5))) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or .cse6 .cse0 .cse4 .cse1 .cse2))) [2018-11-18 08:46:59,359 INFO L421 ceAbstractionStarter]: At program point L811(line 811) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or (and (<= 1 processEnvironment_~tmp~6) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse4 .cse1 (let ((.cse5 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse5 .cse3) (or .cse6 .cse5))) .cse2) (or .cse6 .cse0 .cse4 .cse1 .cse2))) [2018-11-18 08:46:59,359 INFO L425 ceAbstractionStarter]: For program point L809(lines 809 817) no Hoare annotation was computed. [2018-11-18 08:46:59,359 INFO L421 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 (< ~waterLevel~0 2) .cse3 .cse4 .cse5) (or .cse6 .cse3 .cse4 (not (= ~waterLevel~0 1)) .cse5) (or .cse0 .cse1 .cse3 (or .cse7 .cse2) .cse4) (or .cse7 .cse6 .cse1 .cse3 .cse4))) [2018-11-18 08:46:59,359 INFO L425 ceAbstractionStarter]: For program point L807-1(line 807) no Hoare annotation was computed. [2018-11-18 08:46:59,359 INFO L425 ceAbstractionStarter]: For program point L805(lines 805 822) no Hoare annotation was computed. [2018-11-18 08:46:59,359 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2018-11-18 08:46:59,359 INFO L425 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2018-11-18 08:46:59,360 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2018-11-18 08:46:59,360 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2018-11-18 08:46:59,360 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 767 773) no Hoare annotation was computed. [2018-11-18 08:46:59,360 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 767 773) the Hoare annotation is: true [2018-11-18 08:46:59,360 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 301 368) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 08:46:59,360 INFO L421 ceAbstractionStarter]: At program point L351(line 351) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse6 (= 0 ~pumpRunning~0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse4 (= ~systemActive~0 1)) (.cse5 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (= |old(~systemActive~0)| 1)) (and .cse2 (and .cse0 .cse1 .cse6 .cse5)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 .cse6 .cse7 .cse5) (<= 1 ~waterLevel~0)) (and .cse0 (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) .cse5) (and .cse2 .cse3 .cse0 .cse7 .cse4 .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 08:46:59,360 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 355) no Hoare annotation was computed. [2018-11-18 08:46:59,360 INFO L421 ceAbstractionStarter]: At program point L349-1(lines 341 356) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse8 (= ~pumpRunning~0 1)) (.cse5 (= ~methAndRunningLastTime~0 0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse9 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 .cse1 .cse2 .cse3) .cse4) (and .cse0 .cse5 .cse2 .cse4 .cse6 .cse3) (and .cse5 .cse1 .cse7 .cse8 .cse9 .cse3) (and .cse5 .cse1 .cse2 .cse4 .cse9 .cse3) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse7 .cse5 .cse8 .cse6 .cse9 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse2 .cse4 .cse6 .cse9 .cse3))) [2018-11-18 08:46:59,360 INFO L425 ceAbstractionStarter]: For program point L312(lines 311 360) no Hoare annotation was computed. [2018-11-18 08:46:59,360 INFO L421 ceAbstractionStarter]: At program point L343(line 343) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 0))) (.cse4 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse7 (= 0 ~pumpRunning~0)) (.cse5 (= test_~splverifierCounter~0 0)) (.cse8 (<= 1 ~waterLevel~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse2 .cse3 .cse4 .cse6 .cse5) (and (and .cse0 .cse7 .cse6 .cse5) .cse8) (and (and .cse0 .cse1 .cse7 .cse5) .cse8) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 08:46:59,361 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 301 368) no Hoare annotation was computed. [2018-11-18 08:46:59,361 INFO L425 ceAbstractionStarter]: For program point L341(lines 341 356) no Hoare annotation was computed. [2018-11-18 08:46:59,361 INFO L421 ceAbstractionStarter]: At program point L333(line 333) the Hoare annotation is: (let ((.cse8 (= ~systemActive~0 0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 1) .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse7 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse8 .cse0 .cse1 .cse5 .cse7 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse8 .cse0 .cse5 .cse6 .cse7 .cse4) (and (and .cse0 .cse1 .cse5 .cse3 .cse4) (= ~waterLevel~0 |old(~waterLevel~0)|)) (and .cse0 .cse1 .cse5 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 08:46:59,361 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 337) no Hoare annotation was computed. [2018-11-18 08:46:59,361 INFO L425 ceAbstractionStarter]: For program point L331-1(lines 331 337) no Hoare annotation was computed. [2018-11-18 08:46:59,361 INFO L421 ceAbstractionStarter]: At program point L358(lines 311 360) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse6 (= ~systemActive~0 0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse4 (= ~systemActive~0 1)) (.cse5 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse6 .cse0 .cse1 .cse2 .cse3 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse4 .cse5) (and .cse6 .cse0 .cse2 .cse3 .cse7 .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse3 .cse7 .cse4 .cse5))) [2018-11-18 08:46:59,361 INFO L421 ceAbstractionStarter]: At program point L323(line 323) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse6 (= ~systemActive~0 0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse1 .cse4 .cse5 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse6 .cse0 (and .cse1 .cse4 .cse3) .cse5) (and .cse6 .cse0 .cse4 .cse5 .cse7 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse4 .cse5 .cse7 .cse2 .cse3))) [2018-11-18 08:46:59,361 INFO L425 ceAbstractionStarter]: For program point L321(lines 321 327) no Hoare annotation was computed. [2018-11-18 08:46:59,361 INFO L425 ceAbstractionStarter]: For program point L321-1(lines 321 327) no Hoare annotation was computed. [2018-11-18 08:46:59,361 INFO L425 ceAbstractionStarter]: For program point L313(lines 313 317) no Hoare annotation was computed. [2018-11-18 08:46:59,361 INFO L425 ceAbstractionStarter]: For program point L311-1(lines 311 360) no Hoare annotation was computed. [2018-11-18 08:46:59,362 INFO L421 ceAbstractionStarter]: At program point L361(lines 310 362) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 08:46:59,362 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 301 368) no Hoare annotation was computed. [2018-11-18 08:46:59,362 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 826 833) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0)) (not (= ~methaneLevelCritical~0 0))) (< ~waterLevel~0 2)) [2018-11-18 08:46:59,362 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 826 833) no Hoare annotation was computed. [2018-11-18 08:46:59,362 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 826 833) no Hoare annotation was computed. [2018-11-18 08:46:59,362 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2018-11-18 08:46:59,362 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2018-11-18 08:46:59,362 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2018-11-18 08:46:59,362 INFO L421 ceAbstractionStarter]: At program point L993(line 993) the Hoare annotation is: (let ((.cse7 (< ~waterLevel~0 2)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (< ~waterLevel~0 1)) (.cse8 (not (= ~systemActive~0 1))) (.cse3 (= ~methAndRunningLastTime~0 0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 0))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (not (= ~waterLevel~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (or .cse2 (or .cse1 .cse5 .cse6 (not (= ~waterLevel~0 2)))) .cse3) (or .cse3 .cse1 .cse7 .cse8 .cse5 .cse6) (or .cse1 .cse3 .cse8 .cse5 .cse9 .cse6) (or .cse3 .cse7 (not (= 1 ~pumpRunning~0)) .cse8 .cse5 .cse6) (or .cse0 .cse1 .cse4 .cse8 .cse3 .cse5) (or .cse3 (or .cse1 .cse2 .cse5 .cse9 .cse6)))) [2018-11-18 08:46:59,362 INFO L425 ceAbstractionStarter]: For program point L993-1(line 993) no Hoare annotation was computed. [2018-11-18 08:46:59,362 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 987 1015) the Hoare annotation is: (let ((.cse7 (< ~waterLevel~0 2)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (< ~waterLevel~0 1)) (.cse8 (not (= ~systemActive~0 1))) (.cse3 (= ~methAndRunningLastTime~0 0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 0))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (not (= ~waterLevel~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (or .cse2 (or .cse1 .cse5 .cse6 (not (= ~waterLevel~0 2)))) .cse3) (or .cse3 .cse1 .cse7 .cse8 .cse5 .cse6) (or .cse1 .cse3 .cse8 .cse5 .cse9 .cse6) (or .cse3 .cse7 (not (= 1 ~pumpRunning~0)) .cse8 .cse5 .cse6) (or .cse0 .cse1 .cse4 .cse8 .cse3 .cse5) (or .cse3 (or .cse1 .cse2 .cse5 .cse9 .cse6)))) [2018-11-18 08:46:59,363 INFO L421 ceAbstractionStarter]: At program point L1002(line 1002) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= ~systemActive~0 0))) (.cse6 (< ~waterLevel~0 2)) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (< ~waterLevel~0 1)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 .cse4 .cse5 .cse3) (or .cse0 .cse1 .cse2 .cse6 .cse3) (or .cse2 (or .cse1 .cse7) .cse4) (or .cse6 (not (= 1 ~pumpRunning~0)) .cse5 .cse3 .cse7) (or .cse4 (or .cse1 .cse5 .cse7)))) [2018-11-18 08:46:59,363 INFO L425 ceAbstractionStarter]: For program point L1000(lines 1000 1006) no Hoare annotation was computed. [2018-11-18 08:46:59,363 INFO L425 ceAbstractionStarter]: For program point L999(lines 999 1009) no Hoare annotation was computed. [2018-11-18 08:46:59,363 INFO L421 ceAbstractionStarter]: At program point L997(line 997) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= ~methAndRunningLastTime~0 0)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (< ~waterLevel~0 1)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse7 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse2 (or .cse1 .cse6) .cse4) (or (< ~waterLevel~0 2) (not (= 1 ~pumpRunning~0)) .cse7 .cse5 .cse6) (or .cse0 .cse1 .cse4 .cse7 .cse3 .cse5) (or .cse4 (or .cse1 .cse7 .cse6)))) [2018-11-18 08:46:59,363 INFO L425 ceAbstractionStarter]: For program point L997-1(line 997) no Hoare annotation was computed. [2018-11-18 08:46:59,363 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 987 1015) no Hoare annotation was computed. [2018-11-18 08:46:59,363 INFO L425 ceAbstractionStarter]: For program point L995(lines 995 1012) no Hoare annotation was computed. [2018-11-18 08:46:59,363 INFO L425 ceAbstractionStarter]: For program point L995-1(lines 987 1015) no Hoare annotation was computed. [2018-11-18 08:46:59,363 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 979 986) the Hoare annotation is: (or (= ~methAndRunningLastTime~0 0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 08:46:59,363 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 979 986) no Hoare annotation was computed. [2018-11-18 08:46:59,363 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 979 986) no Hoare annotation was computed. [2018-11-18 08:46:59,363 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 08:46:59,363 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 08:46:59,363 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 08:46:59,364 INFO L421 ceAbstractionStarter]: At program point L846(line 846) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-11-18 08:46:59,364 INFO L425 ceAbstractionStarter]: For program point L846-1(lines 835 851) no Hoare annotation was computed. [2018-11-18 08:46:59,364 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 835 851) no Hoare annotation was computed. [2018-11-18 08:46:59,364 INFO L425 ceAbstractionStarter]: For program point L842(lines 842 848) no Hoare annotation was computed. [2018-11-18 08:46:59,364 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 835 851) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0 .cse2 .cse3 .cse4))) [2018-11-18 08:46:59,364 INFO L421 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0 .cse2 .cse3 .cse4))) [2018-11-18 08:46:59,364 INFO L425 ceAbstractionStarter]: For program point L840-1(line 840) no Hoare annotation was computed. [2018-11-18 08:46:59,364 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 916 934) no Hoare annotation was computed. [2018-11-18 08:46:59,364 INFO L425 ceAbstractionStarter]: For program point L925(lines 925 929) no Hoare annotation was computed. [2018-11-18 08:46:59,364 INFO L428 ceAbstractionStarter]: At program point L923(line 923) the Hoare annotation is: true [2018-11-18 08:46:59,364 INFO L425 ceAbstractionStarter]: For program point L925-2(lines 925 929) no Hoare annotation was computed. [2018-11-18 08:46:59,364 INFO L425 ceAbstractionStarter]: For program point L923-1(line 923) no Hoare annotation was computed. [2018-11-18 08:46:59,364 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 916 934) the Hoare annotation is: true [2018-11-18 08:46:59,364 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 916 934) no Hoare annotation was computed. [2018-11-18 08:46:59,365 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2018-11-18 08:46:59,365 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (let ((.cse5 (not (= ~waterLevel~0 1))) (.cse9 (<= 1 ~methaneLevelCritical~0)) (.cse11 (< |old(~methaneLevelCritical~0)| 1)) (.cse8 (= 0 ~methaneLevelCritical~0)) (.cse10 (< ~waterLevel~0 1)) (.cse7 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse6 (not (= ~systemActive~0 0))) (.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse12 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse3 (or .cse0 .cse1 .cse6 .cse4 .cse5)) (or (or (or .cse2 (not (= 1 ~pumpRunning~0)) .cse4 .cse7) (< ~waterLevel~0 2)) .cse8) (or .cse9 .cse10 (or .cse11 .cse1 .cse2 .cse4)) (or .cse9 (or .cse11 .cse1 .cse6 .cse4) .cse10) (or .cse1 .cse10 .cse8 .cse2 .cse4 .cse7) (or .cse1 .cse6 .cse8 .cse10 .cse4 .cse7) (or (or .cse0 .cse1 .cse2 .cse4 .cse12) .cse3) (or .cse3 (or .cse6 .cse0 (or .cse1 .cse4 .cse12))))) [2018-11-18 08:46:59,365 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2018-11-18 08:46:59,365 INFO L421 ceAbstractionStarter]: At program point L756(line 756) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse10 (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse2)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse9 (< |old(~waterLevel~0)| 1)) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse12 (not (= ~systemActive~0 0))) (.cse1 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse11 (not (= ~methaneLevelCritical~0 0))) (.cse3 (< |old(~waterLevel~0)| 2))) (and (or (and .cse0 .cse1 .cse2) (or .cse3 (or .cse4 .cse5 .cse6 .cse7))) (or .cse8 .cse9 .cse10 .cse6 .cse7 .cse11) (or .cse4 .cse8 .cse9 .cse6 .cse10 .cse7) (or .cse4 .cse8 .cse12 .cse7 (not (= |old(~waterLevel~0)| 1))) (or .cse4 .cse8 .cse12 .cse3 .cse7) (or .cse9 (or .cse8 .cse12 .cse11)) (or (and .cse1 .cse0 .cse2) (or (or .cse5 .cse6 .cse7 .cse11) .cse3))))) [2018-11-18 08:46:59,365 INFO L421 ceAbstractionStarter]: At program point L754(lines 754 760) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse13 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse14 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (< |old(~waterLevel~0)| 2)) (.cse9 (not (= ~systemActive~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse15 (and .cse0 .cse13 .cse14)) (.cse12 (< |old(~waterLevel~0)| 1)) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse10 (not (= |old(~waterLevel~0)| 1))) (.cse11 (not (= ~methaneLevelCritical~0 0)))) (and (or (and .cse0 .cse1 .cse2) (or .cse3 (or .cse4 .cse5 .cse6 .cse7))) (or .cse0 (or .cse8 .cse9 .cse7 .cse10 .cse11)) (or .cse12 (and .cse13 .cse14) (or .cse8 .cse9 .cse11)) (or (and .cse1 .cse2) (or (or .cse5 .cse6 .cse7 .cse11) .cse3)) (or .cse4 .cse8 .cse9 .cse15 .cse12 .cse7) (or .cse15 (or .cse8 .cse3 .cse6 .cse7 .cse11) (and .cse0 (= ~pumpRunning~0 1) .cse13)) (or (or .cse9 (or .cse8 .cse7 .cse11 (not (= |old(~waterLevel~0)| 2)))) .cse0) (or .cse4 .cse8 .cse15 .cse12 .cse6 .cse7) (or (or .cse8 .cse6 .cse7 .cse10 .cse11) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse14))))) [2018-11-18 08:46:59,365 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 743 766) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse6 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse5 (< |old(~waterLevel~0)| 1)) (.cse10 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= ~systemActive~0 0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (and .cse0 .cse6 .cse7)) (.cse12 (not (= 1 |old(~pumpRunning~0)|))) (.cse9 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse11 (< |old(~waterLevel~0)| 2))) (and (or .cse0 (or .cse1 .cse2 .cse3 (not (= |old(~waterLevel~0)| 1)) .cse4)) (or .cse5 (and .cse6 .cse7) (or .cse1 .cse2 .cse4)) (or .cse1 .cse5 .cse8 .cse9 .cse3 .cse4) (or .cse10 .cse1 .cse5 .cse9 .cse8 .cse3) (or .cse10 .cse1 .cse2 .cse8 .cse5 .cse3) (or .cse8 (or .cse11 (or .cse10 .cse12 .cse9 .cse3))) (or (or .cse2 (or .cse1 .cse3 .cse4 (not (= |old(~waterLevel~0)| 2)))) .cse0) (or .cse8 (or (or .cse12 .cse9 .cse3 .cse4) .cse11))))) [2018-11-18 08:46:59,366 INFO L421 ceAbstractionStarter]: At program point L749(line 749) the Hoare annotation is: (let ((.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse10 (< |old(~waterLevel~0)| 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= ~systemActive~0 0))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (and (= ~methAndRunningLastTime~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (or .cse6 .cse3 .cse4 .cse7) .cse2) (or .cse0 .cse1 .cse8 .cse4 .cse9) (or .cse0 .cse1 .cse8 .cse2 .cse4) (or .cse1 .cse10 .cse3 .cse4 .cse7) (or .cse0 .cse1 .cse3 .cse4 .cse9) (or .cse10 (or .cse1 .cse8 .cse7)) (or (or .cse2 (or .cse0 .cse6 .cse3 .cse4)) .cse5))) [2018-11-18 08:46:59,366 INFO L425 ceAbstractionStarter]: For program point L747(lines 746 765) no Hoare annotation was computed. [2018-11-18 08:46:59,366 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 743 766) no Hoare annotation was computed. [2018-11-18 08:46:59,366 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 743 766) no Hoare annotation was computed. [2018-11-18 08:46:59,366 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 162 191) no Hoare annotation was computed. [2018-11-18 08:46:59,366 INFO L425 ceAbstractionStarter]: For program point L176(lines 176 180) no Hoare annotation was computed. [2018-11-18 08:46:59,366 INFO L428 ceAbstractionStarter]: At program point L176-1(lines 176 180) the Hoare annotation is: true [2018-11-18 08:46:59,366 INFO L425 ceAbstractionStarter]: For program point L172-1(lines 172 186) no Hoare annotation was computed. [2018-11-18 08:46:59,366 INFO L428 ceAbstractionStarter]: At program point L172-3(lines 172 186) the Hoare annotation is: true [2018-11-18 08:46:59,366 INFO L428 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: true [2018-11-18 08:46:59,366 INFO L425 ceAbstractionStarter]: For program point L168-1(line 168) no Hoare annotation was computed. [2018-11-18 08:46:59,366 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 162 191) the Hoare annotation is: true [2018-11-18 08:46:59,366 INFO L428 ceAbstractionStarter]: At program point L187(lines 162 191) the Hoare annotation is: true [2018-11-18 08:46:59,366 INFO L425 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2018-11-18 08:46:59,367 INFO L425 ceAbstractionStarter]: For program point L173(line 173) no Hoare annotation was computed. [2018-11-18 08:46:59,367 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2018-11-18 08:46:59,367 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2018-11-18 08:46:59,367 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2018-11-18 08:46:59,367 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (or .cse1 .cse2 (or (not (= ~methaneLevelCritical~0 1)) .cse3) .cse4)) (or .cse0 .cse2 .cse3 (or .cse1 (not (= ~methaneLevelCritical~0 0))) .cse4))) [2018-11-18 08:46:59,367 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2018-11-18 08:46:59,367 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2018-11-18 08:46:59,367 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 217 223) no Hoare annotation was computed. [2018-11-18 08:46:59,367 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 217 223) the Hoare annotation is: true [2018-11-18 08:46:59,367 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 08:46:59,367 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-18 08:46:59,367 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 08:46:59,367 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 08:46:59,368 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 775 799) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (or .cse1 .cse2 (< ~waterLevel~0 2) .cse3 .cse4)) (or .cse0 (or .cse1 .cse2 .cse3 .cse4 (not (= ~waterLevel~0 1)))) (or .cse2 (< ~waterLevel~0 1) .cse0 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 08:46:59,368 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 775 799) no Hoare annotation was computed. [2018-11-18 08:46:59,368 INFO L421 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 08:46:59,368 INFO L425 ceAbstractionStarter]: For program point L794-1(lines 775 799) no Hoare annotation was computed. [2018-11-18 08:46:59,368 INFO L421 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< ~waterLevel~0 2)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 2))) (or (or .cse0 .cse1 .cse2 .cse4 .cse3) .cse5) (or (or .cse6 .cse0 .cse1 .cse2 .cse4) .cse5) (or .cse6 .cse0 .cse7 .cse1 .cse2) (or (or .cse0 .cse7 .cse1 .cse2 .cse3) .cse5))) [2018-11-18 08:46:59,368 INFO L421 ceAbstractionStarter]: At program point L785(line 785) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (< ~waterLevel~0 1)) (.cse7 (= processEnvironment__wrappee__highWaterSensor_~tmp~5 1)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or (and .cse0 .cse1) .cse2 .cse3 .cse4 .cse5 .cse6) (or (and .cse0 .cse7 .cse1) (not (= ~methaneLevelCritical~0 1)) .cse2 .cse3 .cse4 .cse5) (or .cse7 (or .cse2 .cse4 .cse5 .cse6 (not (= ~waterLevel~0 2)))))) [2018-11-18 08:46:59,368 INFO L425 ceAbstractionStarter]: For program point L783(lines 783 791) no Hoare annotation was computed. [2018-11-18 08:46:59,368 INFO L421 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (or .cse1 .cse2 (< ~waterLevel~0 2) .cse3 .cse4)) (or .cse0 (or .cse1 .cse2 .cse3 .cse4 (not (= ~waterLevel~0 1)))) (or .cse2 (< ~waterLevel~0 1) .cse0 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 08:46:59,368 INFO L425 ceAbstractionStarter]: For program point L781-1(line 781) no Hoare annotation was computed. [2018-11-18 08:46:59,368 INFO L425 ceAbstractionStarter]: For program point L779(lines 779 796) no Hoare annotation was computed. [2018-11-18 08:46:59,369 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 969 976) no Hoare annotation was computed. [2018-11-18 08:46:59,369 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 969 976) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| 0)) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~systemActive~0 0)))) (and (or (or .cse0 .cse1 (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse3)) .cse4) (or (= ~systemActive~0 1) (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) .cse3 (not (= ~waterLevel~0 1)) .cse5)) (or .cse0 .cse1 (or .cse2 .cse3 .cse5) .cse4))) [2018-11-18 08:46:59,369 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 969 976) no Hoare annotation was computed. [2018-11-18 08:46:59,369 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2018-11-18 08:46:59,369 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2018-11-18 08:46:59,369 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 0))) (.cse3 (< |old(~waterLevel~0)| 1)) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (< |old(~waterLevel~0)| 2)) (.cse6 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse3 (or .cse5 .cse6) .cse2 .cse4) (or .cse1 .cse2 .cse3 (or .cse5 .cse7) .cse4) (or (or .cse5 .cse6 .cse7) .cse8 .cse2 .cse4) (or .cse5 .cse2 .cse6 .cse4 (not (= |old(~waterLevel~0)| 1)) .cse7) (or .cse2 .cse8 (not (= 1 ~pumpRunning~0)) (or .cse6 .cse7) .cse4))) [2018-11-18 08:46:59,369 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 151 158) no Hoare annotation was computed. [2018-11-18 08:46:59,369 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 151 158) the Hoare annotation is: true [2018-11-18 08:46:59,369 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 151 158) no Hoare annotation was computed. [2018-11-18 08:46:59,373 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 155) no Hoare annotation was computed. [2018-11-18 08:46:59,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:46:59 BoogieIcfgContainer [2018-11-18 08:46:59,387 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 08:46:59,387 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 08:46:59,387 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 08:46:59,387 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 08:46:59,388 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:46:11" (3/4) ... [2018-11-18 08:46:59,391 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 08:46:59,400 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 08:46:59,400 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 08:46:59,401 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 08:46:59,401 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 08:46:59,401 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 08:46:59,401 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 08:46:59,401 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 08:46:59,401 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 08:46:59,401 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 08:46:59,401 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 08:46:59,401 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 08:46:59,401 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 08:46:59,401 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 08:46:59,401 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 08:46:59,401 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-18 08:46:59,401 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 08:46:59,402 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-18 08:46:59,402 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-18 08:46:59,402 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 08:46:59,402 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 08:46:59,402 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 08:46:59,402 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 08:46:59,402 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 08:46:59,402 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 08:46:59,402 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 08:46:59,402 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 08:46:59,402 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 08:46:59,403 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 08:46:59,403 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 08:46:59,403 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 08:46:59,403 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 08:46:59,409 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2018-11-18 08:46:59,410 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 08:46:59,410 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 08:46:59,433 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning) && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || (((((systemActive == 0 && methAndRunningLastTime == 0) && 0 == methaneLevelCritical) && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || (((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || (((((systemActive == 0 && methAndRunningLastTime == 0) && 0 == pumpRunning) && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (((((methAndRunningLastTime == 0 && 0 == pumpRunning) && 1 <= waterLevel) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) [2018-11-18 08:46:59,433 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 08:46:59,468 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_219e488c-a0e6-417b-b9bd-2d4bdca4409c/bin-2019/utaipan/witness.graphml [2018-11-18 08:46:59,468 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 08:46:59,468 INFO L168 Benchmark]: Toolchain (without parser) took 48918.96 ms. Allocated memory was 1.0 GB in the beginning and 3.8 GB in the end (delta: 2.7 GB). Free memory was 956.4 MB in the beginning and 2.5 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-18 08:46:59,469 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:46:59,469 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -199.3 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-11-18 08:46:59,469 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-18 08:46:59,469 INFO L168 Benchmark]: Boogie Preprocessor took 29.40 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:46:59,470 INFO L168 Benchmark]: RCFGBuilder took 518.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 61.1 MB). Peak memory consumption was 61.1 MB. Max. memory is 11.5 GB. [2018-11-18 08:46:59,470 INFO L168 Benchmark]: TraceAbstraction took 47904.91 ms. Allocated memory was 1.2 GB in the beginning and 3.8 GB in the end (delta: 2.6 GB). Free memory was 1.1 GB in the beginning and 2.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 2.5 GB. Max. memory is 11.5 GB. [2018-11-18 08:46:59,470 INFO L168 Benchmark]: Witness Printer took 80.48 ms. Allocated memory is still 3.8 GB. Free memory was 2.5 GB in the beginning and 2.5 GB in the end (delta: 27.7 kB). Peak memory consumption was 27.7 kB. Max. memory is 11.5 GB. [2018-11-18 08:46:59,471 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 362.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -199.3 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.40 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 518.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 61.1 MB). Peak memory consumption was 61.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 47904.91 ms. Allocated memory was 1.2 GB in the beginning and 3.8 GB in the end (delta: 2.6 GB). Free memory was 1.1 GB in the beginning and 2.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 2.5 GB. Max. memory is 11.5 GB. * Witness Printer took 80.48 ms. Allocated memory is still 3.8 GB. Free memory was 2.5 GB in the beginning and 2.5 GB in the end (delta: 27.7 kB). Peak memory consumption was 27.7 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 155]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: (((((((((((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning) && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || (((((systemActive == 0 && methAndRunningLastTime == 0) && 0 == methaneLevelCritical) && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || (((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || (((((systemActive == 0 && methAndRunningLastTime == 0) && 0 == pumpRunning) && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (((((methAndRunningLastTime == 0 && 0 == pumpRunning) && 1 <= waterLevel) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 170 locations, 1 error locations. SAFE Result, 47.8s OverallTime, 15 OverallIterations, 4 TraceHistogramMax, 27.8s AutomataDifference, 0.0s DeadEndRemovalTime, 7.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 3927 SDtfs, 4763 SDslu, 16149 SDs, 0 SdLazy, 10313 SolverSat, 1789 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.8s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1747 GetRequests, 1495 SyntacticMatches, 17 SemanticMatches, 235 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2186 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6119occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 5.8s AbstIntTime, 5 AbstIntIterations, 2 AbstIntStrong, 0.9965596579590572 AbsIntWeakeningRatio, 0.8865248226950354 AbsIntAvgWeakeningVarsNumRemoved, 57.96099290780142 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 15 MinimizatonAttempts, 2731 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 11698 PreInvPairs, 11864 NumberOfFragments, 4458 HoareAnnotationTreeSize, 11698 FomulaSimplifications, 46898 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 70 FomulaSimplificationsInter, 72341 FormulaSimplificationTreeSizeReductionInter, 5.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 2550 NumberOfCodeBlocks, 2550 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 3152 ConstructedInterpolants, 0 QuantifiedInterpolants, 776620 SizeOfPredicates, 13 NumberOfNonLiveVariables, 2859 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 21 InterpolantComputations, 12 PerfectInterpolantSequences, 1030/1155 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...