./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product55_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_da61c8f5-281c-4010-8570-f220e17e83b2/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_da61c8f5-281c-4010-8570-f220e17e83b2/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_da61c8f5-281c-4010-8570-f220e17e83b2/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_da61c8f5-281c-4010-8570-f220e17e83b2/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product55_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_da61c8f5-281c-4010-8570-f220e17e83b2/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_da61c8f5-281c-4010-8570-f220e17e83b2/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 548cbaf589264b5429347049095271c63f36d598 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:49:55,850 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:49:55,851 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:49:55,859 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:49:55,859 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:49:55,859 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:49:55,860 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:49:55,861 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:49:55,862 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:49:55,863 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:49:55,864 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:49:55,864 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:49:55,864 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:49:55,865 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:49:55,866 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:49:55,866 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:49:55,867 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:49:55,868 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:49:55,869 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:49:55,871 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:49:55,871 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:49:55,872 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:49:55,874 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:49:55,874 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:49:55,874 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:49:55,874 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:49:55,875 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:49:55,876 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:49:55,876 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:49:55,877 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:49:55,877 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:49:55,878 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:49:55,878 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:49:55,878 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:49:55,879 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:49:55,879 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:49:55,879 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_da61c8f5-281c-4010-8570-f220e17e83b2/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 15:49:55,889 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:49:55,889 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:49:55,889 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:49:55,889 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 15:49:55,890 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 15:49:55,890 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 15:49:55,890 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 15:49:55,890 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 15:49:55,890 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 15:49:55,890 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 15:49:55,890 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 15:49:55,890 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 15:49:55,891 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 15:49:55,891 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:49:55,891 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:49:55,891 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:49:55,892 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:49:55,892 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:49:55,892 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:49:55,892 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:49:55,892 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:49:55,892 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:49:55,892 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:49:55,892 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:49:55,893 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:49:55,893 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:49:55,893 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:49:55,893 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:49:55,893 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 15:49:55,893 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:49:55,893 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:49:55,894 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:49:55,894 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:49:55,894 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 15:49:55,894 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:49:55,894 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:49:55,894 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 15:49:55,894 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_da61c8f5-281c-4010-8570-f220e17e83b2/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 -> 548cbaf589264b5429347049095271c63f36d598 [2018-11-18 15:49:55,916 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:49:55,924 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:49:55,926 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:49:55,927 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:49:55,927 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:49:55,927 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_da61c8f5-281c-4010-8570-f220e17e83b2/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product55_true-unreach-call_false-termination.cil.c [2018-11-18 15:49:55,967 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_da61c8f5-281c-4010-8570-f220e17e83b2/bin-2019/utaipan/data/e83f82452/f77eba20f75342b69184f2465f4cf06f/FLAGde1c7deb2 [2018-11-18 15:49:56,409 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:49:56,409 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_da61c8f5-281c-4010-8570-f220e17e83b2/sv-benchmarks/c/product-lines/minepump_spec5_product55_true-unreach-call_false-termination.cil.c [2018-11-18 15:49:56,420 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_da61c8f5-281c-4010-8570-f220e17e83b2/bin-2019/utaipan/data/e83f82452/f77eba20f75342b69184f2465f4cf06f/FLAGde1c7deb2 [2018-11-18 15:49:56,430 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_da61c8f5-281c-4010-8570-f220e17e83b2/bin-2019/utaipan/data/e83f82452/f77eba20f75342b69184f2465f4cf06f [2018-11-18 15:49:56,432 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:49:56,433 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:49:56,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:49:56,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:49:56,437 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:49:56,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:49:56" (1/1) ... [2018-11-18 15:49:56,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f746e5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:56, skipping insertion in model container [2018-11-18 15:49:56,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:49:56" (1/1) ... [2018-11-18 15:49:56,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:49:56,477 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:49:56,674 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:49:56,682 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:49:56,783 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:49:56,803 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:49:56,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:56 WrapperNode [2018-11-18 15:49:56,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:49:56,804 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:49:56,805 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:49:56,805 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:49:56,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:56" (1/1) ... [2018-11-18 15:49:56,821 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:56" (1/1) ... [2018-11-18 15:49:56,826 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:49:56,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:49:56,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:49:56,827 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:49:56,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:56" (1/1) ... [2018-11-18 15:49:56,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:56" (1/1) ... [2018-11-18 15:49:56,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:56" (1/1) ... [2018-11-18 15:49:56,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:56" (1/1) ... [2018-11-18 15:49:56,844 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:56" (1/1) ... [2018-11-18 15:49:56,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:56" (1/1) ... [2018-11-18 15:49:56,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:56" (1/1) ... [2018-11-18 15:49:56,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:49:56,855 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:49:56,855 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:49:56,855 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:49:56,855 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_da61c8f5-281c-4010-8570-f220e17e83b2/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 15:49:56,902 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 15:49:56,902 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 15:49:56,902 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 15:49:56,902 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 15:49:56,902 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 15:49:56,903 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 15:49:56,903 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 15:49:56,903 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 15:49:56,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:49:56,903 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 15:49:56,903 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 15:49:56,903 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 15:49:56,903 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 15:49:56,903 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 15:49:56,904 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 15:49:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 15:49:56,904 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 15:49:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 15:49:56,904 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 15:49:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 15:49:56,904 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 15:49:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 15:49:56,904 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 15:49:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 15:49:56,905 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 15:49:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 15:49:56,905 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 15:49:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 15:49:56,905 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 15:49:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 15:49:56,905 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 15:49:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 15:49:56,906 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 15:49:56,906 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 15:49:56,906 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 15:49:56,906 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 15:49:56,906 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 15:49:56,906 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 15:49:56,906 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 15:49:56,906 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 15:49:56,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 15:49:56,907 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-18 15:49:56,907 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-18 15:49:56,907 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 15:49:56,907 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 15:49:56,907 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-18 15:49:56,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-18 15:49:56,907 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-18 15:49:56,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-18 15:49:56,908 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-18 15:49:56,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-18 15:49:56,908 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 15:49:56,908 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 15:49:56,908 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 15:49:56,908 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 15:49:56,908 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 15:49:56,908 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 15:49:56,908 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 15:49:56,909 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 15:49:56,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 15:49:56,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 15:49:56,909 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 15:49:56,909 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 15:49:56,909 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 15:49:56,909 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 15:49:56,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:49:56,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:49:57,466 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:49:57,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:49:57 BoogieIcfgContainer [2018-11-18 15:49:57,466 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:49:57,467 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 15:49:57,467 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 15:49:57,470 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 15:49:57,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 03:49:56" (1/3) ... [2018-11-18 15:49:57,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e949835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:49:57, skipping insertion in model container [2018-11-18 15:49:57,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:56" (2/3) ... [2018-11-18 15:49:57,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e949835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:49:57, skipping insertion in model container [2018-11-18 15:49:57,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:49:57" (3/3) ... [2018-11-18 15:49:57,473 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product55_true-unreach-call_false-termination.cil.c [2018-11-18 15:49:57,481 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 15:49:57,490 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 15:49:57,504 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 15:49:57,531 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 15:49:57,532 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 15:49:57,532 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 15:49:57,532 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:49:57,532 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:49:57,532 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 15:49:57,532 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:49:57,532 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 15:49:57,545 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2018-11-18 15:49:57,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 15:49:57,551 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:49:57,551 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] [2018-11-18 15:49:57,553 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:49:57,558 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:49:57,558 INFO L82 PathProgramCache]: Analyzing trace with hash 423003529, now seen corresponding path program 1 times [2018-11-18 15:49:57,560 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:49:57,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:49:57,594 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:49:57,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:49:57,594 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:49:57,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:57,772 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 15:49:57,774 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:49:57,774 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 15:49:57,774 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:49:57,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 15:49:57,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 15:49:57,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 15:49:57,787 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 2 states. [2018-11-18 15:49:57,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:49:57,820 INFO L93 Difference]: Finished difference Result 324 states and 401 transitions. [2018-11-18 15:49:57,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 15:49:57,821 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-18 15:49:57,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:49:57,832 INFO L225 Difference]: With dead ends: 324 [2018-11-18 15:49:57,832 INFO L226 Difference]: Without dead ends: 164 [2018-11-18 15:49:57,836 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 15:49:57,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2018-11-18 15:49:57,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2018-11-18 15:49:57,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2018-11-18 15:49:57,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 194 transitions. [2018-11-18 15:49:57,880 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 194 transitions. Word has length 59 [2018-11-18 15:49:57,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:49:57,881 INFO L480 AbstractCegarLoop]: Abstraction has 164 states and 194 transitions. [2018-11-18 15:49:57,881 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 15:49:57,881 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 194 transitions. [2018-11-18 15:49:57,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 15:49:57,883 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:49:57,884 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] [2018-11-18 15:49:57,884 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:49:57,884 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:49:57,884 INFO L82 PathProgramCache]: Analyzing trace with hash 241777442, now seen corresponding path program 1 times [2018-11-18 15:49:57,884 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:49:57,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:49:57,885 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:49:57,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:49:57,886 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:49:57,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:57,965 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 15:49:57,965 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:49:57,965 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:49:57,965 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:49:57,967 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:49:57,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:49:57,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:49:57,967 INFO L87 Difference]: Start difference. First operand 164 states and 194 transitions. Second operand 3 states. [2018-11-18 15:49:57,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:49:57,989 INFO L93 Difference]: Finished difference Result 265 states and 313 transitions. [2018-11-18 15:49:57,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:49:57,990 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-11-18 15:49:57,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:49:57,991 INFO L225 Difference]: With dead ends: 265 [2018-11-18 15:49:57,991 INFO L226 Difference]: Without dead ends: 154 [2018-11-18 15:49:57,992 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 15:49:57,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-11-18 15:49:58,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2018-11-18 15:49:58,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2018-11-18 15:49:58,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 181 transitions. [2018-11-18 15:49:58,005 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 181 transitions. Word has length 61 [2018-11-18 15:49:58,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:49:58,005 INFO L480 AbstractCegarLoop]: Abstraction has 154 states and 181 transitions. [2018-11-18 15:49:58,006 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:49:58,006 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 181 transitions. [2018-11-18 15:49:58,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 15:49:58,008 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:49:58,008 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] [2018-11-18 15:49:58,009 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:49:58,009 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:49:58,009 INFO L82 PathProgramCache]: Analyzing trace with hash 357567423, now seen corresponding path program 1 times [2018-11-18 15:49:58,009 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:49:58,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:49:58,010 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:49:58,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:49:58,011 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:49:58,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:58,160 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 15:49:58,160 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:49:58,160 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 15:49:58,160 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:49:58,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:49:58,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:49:58,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:49:58,162 INFO L87 Difference]: Start difference. First operand 154 states and 181 transitions. Second operand 7 states. [2018-11-18 15:49:58,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:49:58,736 INFO L93 Difference]: Finished difference Result 463 states and 562 transitions. [2018-11-18 15:49:58,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 15:49:58,737 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-11-18 15:49:58,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:49:58,740 INFO L225 Difference]: With dead ends: 463 [2018-11-18 15:49:58,740 INFO L226 Difference]: Without dead ends: 337 [2018-11-18 15:49:58,741 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:49:58,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2018-11-18 15:49:58,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 329. [2018-11-18 15:49:58,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 329 states. [2018-11-18 15:49:58,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 399 transitions. [2018-11-18 15:49:58,771 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 399 transitions. Word has length 65 [2018-11-18 15:49:58,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:49:58,771 INFO L480 AbstractCegarLoop]: Abstraction has 329 states and 399 transitions. [2018-11-18 15:49:58,771 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:49:58,772 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 399 transitions. [2018-11-18 15:49:58,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 15:49:58,774 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:49:58,774 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] [2018-11-18 15:49:58,774 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:49:58,774 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:49:58,775 INFO L82 PathProgramCache]: Analyzing trace with hash 944571372, now seen corresponding path program 1 times [2018-11-18 15:49:58,775 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:49:58,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:49:58,776 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:49:58,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:49:58,776 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:49:58,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:58,862 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 15:49:58,863 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:49:58,863 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 15:49:58,863 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:49:58,863 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 15:49:58,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:49:58,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 15:49:58,864 INFO L87 Difference]: Start difference. First operand 329 states and 399 transitions. Second operand 6 states. [2018-11-18 15:49:59,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:49:59,051 INFO L93 Difference]: Finished difference Result 753 states and 954 transitions. [2018-11-18 15:49:59,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 15:49:59,052 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 71 [2018-11-18 15:49:59,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:49:59,055 INFO L225 Difference]: With dead ends: 753 [2018-11-18 15:49:59,055 INFO L226 Difference]: Without dead ends: 452 [2018-11-18 15:49:59,057 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 15:49:59,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2018-11-18 15:49:59,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 438. [2018-11-18 15:49:59,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 438 states. [2018-11-18 15:49:59,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 530 transitions. [2018-11-18 15:49:59,091 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 530 transitions. Word has length 71 [2018-11-18 15:49:59,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:49:59,092 INFO L480 AbstractCegarLoop]: Abstraction has 438 states and 530 transitions. [2018-11-18 15:49:59,092 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 15:49:59,092 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 530 transitions. [2018-11-18 15:49:59,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-18 15:49:59,094 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:49:59,094 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] [2018-11-18 15:49:59,094 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:49:59,094 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:49:59,094 INFO L82 PathProgramCache]: Analyzing trace with hash 1227450768, now seen corresponding path program 1 times [2018-11-18 15:49:59,095 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:49:59,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:49:59,095 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:49:59,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:49:59,096 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:49:59,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:59,228 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 15:49:59,229 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:49:59,229 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 15:49:59,229 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:49:59,229 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 15:49:59,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:49:59,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 15:49:59,230 INFO L87 Difference]: Start difference. First operand 438 states and 530 transitions. Second operand 6 states. [2018-11-18 15:49:59,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:49:59,268 INFO L93 Difference]: Finished difference Result 858 states and 1061 transitions. [2018-11-18 15:49:59,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:49:59,269 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2018-11-18 15:49:59,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:49:59,272 INFO L225 Difference]: With dead ends: 858 [2018-11-18 15:49:59,272 INFO L226 Difference]: Without dead ends: 448 [2018-11-18 15:49:59,273 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 15:49:59,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2018-11-18 15:49:59,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 448. [2018-11-18 15:49:59,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2018-11-18 15:49:59,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 540 transitions. [2018-11-18 15:49:59,295 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 540 transitions. Word has length 98 [2018-11-18 15:49:59,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:49:59,295 INFO L480 AbstractCegarLoop]: Abstraction has 448 states and 540 transitions. [2018-11-18 15:49:59,296 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 15:49:59,296 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 540 transitions. [2018-11-18 15:49:59,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-18 15:49:59,297 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:49:59,297 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] [2018-11-18 15:49:59,298 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:49:59,298 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:49:59,298 INFO L82 PathProgramCache]: Analyzing trace with hash 1155064210, now seen corresponding path program 1 times [2018-11-18 15:49:59,298 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:49:59,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:49:59,299 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:49:59,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:49:59,299 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:49:59,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:59,419 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 15:49:59,420 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:49:59,420 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 15:49:59,420 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:49:59,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 15:49:59,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 15:49:59,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 15:49:59,421 INFO L87 Difference]: Start difference. First operand 448 states and 540 transitions. Second operand 8 states. [2018-11-18 15:49:59,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:49:59,479 INFO L93 Difference]: Finished difference Result 882 states and 1104 transitions. [2018-11-18 15:49:59,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 15:49:59,480 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2018-11-18 15:49:59,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:49:59,482 INFO L225 Difference]: With dead ends: 882 [2018-11-18 15:49:59,482 INFO L226 Difference]: Without dead ends: 462 [2018-11-18 15:49:59,483 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 15:49:59,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2018-11-18 15:49:59,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 456. [2018-11-18 15:49:59,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 456 states. [2018-11-18 15:49:59,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 548 transitions. [2018-11-18 15:49:59,513 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 548 transitions. Word has length 98 [2018-11-18 15:49:59,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:49:59,513 INFO L480 AbstractCegarLoop]: Abstraction has 456 states and 548 transitions. [2018-11-18 15:49:59,514 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 15:49:59,514 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 548 transitions. [2018-11-18 15:49:59,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-18 15:49:59,516 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:49:59,516 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] [2018-11-18 15:49:59,516 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:49:59,516 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:49:59,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1484829971, now seen corresponding path program 1 times [2018-11-18 15:49:59,516 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:49:59,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:49:59,517 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:49:59,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:49:59,517 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:49:59,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:59,607 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 15:49:59,607 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:49:59,607 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 15:49:59,607 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:49:59,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 15:49:59,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 15:49:59,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 15:49:59,609 INFO L87 Difference]: Start difference. First operand 456 states and 548 transitions. Second operand 4 states. [2018-11-18 15:49:59,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:49:59,828 INFO L93 Difference]: Finished difference Result 1481 states and 1860 transitions. [2018-11-18 15:49:59,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 15:49:59,829 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2018-11-18 15:49:59,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:49:59,832 INFO L225 Difference]: With dead ends: 1481 [2018-11-18 15:49:59,832 INFO L226 Difference]: Without dead ends: 1053 [2018-11-18 15:49:59,833 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 3 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 15:49:59,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1053 states. [2018-11-18 15:49:59,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1053 to 1036. [2018-11-18 15:49:59,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1036 states. [2018-11-18 15:49:59,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1271 transitions. [2018-11-18 15:49:59,869 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1271 transitions. Word has length 98 [2018-11-18 15:49:59,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:49:59,869 INFO L480 AbstractCegarLoop]: Abstraction has 1036 states and 1271 transitions. [2018-11-18 15:49:59,869 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 15:49:59,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1271 transitions. [2018-11-18 15:49:59,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-18 15:49:59,871 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:49:59,871 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] [2018-11-18 15:49:59,871 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:49:59,871 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:49:59,872 INFO L82 PathProgramCache]: Analyzing trace with hash -166237191, now seen corresponding path program 1 times [2018-11-18 15:49:59,872 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:49:59,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:49:59,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:49:59,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:49:59,873 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:49:59,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:59,985 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 15:49:59,985 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:49:59,986 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 15:49:59,986 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:49:59,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 15:49:59,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 15:49:59,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-18 15:49:59,987 INFO L87 Difference]: Start difference. First operand 1036 states and 1271 transitions. Second operand 9 states. [2018-11-18 15:50:00,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:50:00,692 INFO L93 Difference]: Finished difference Result 2841 states and 3630 transitions. [2018-11-18 15:50:00,693 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 15:50:00,693 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 102 [2018-11-18 15:50:00,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:50:00,699 INFO L225 Difference]: With dead ends: 2841 [2018-11-18 15:50:00,700 INFO L226 Difference]: Without dead ends: 2028 [2018-11-18 15:50:00,702 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-18 15:50:00,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2028 states. [2018-11-18 15:50:00,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2028 to 1811. [2018-11-18 15:50:00,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1811 states. [2018-11-18 15:50:00,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 1811 states and 2187 transitions. [2018-11-18 15:50:00,782 INFO L78 Accepts]: Start accepts. Automaton has 1811 states and 2187 transitions. Word has length 102 [2018-11-18 15:50:00,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:50:00,782 INFO L480 AbstractCegarLoop]: Abstraction has 1811 states and 2187 transitions. [2018-11-18 15:50:00,782 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 15:50:00,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 2187 transitions. [2018-11-18 15:50:00,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-18 15:50:00,785 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:50:00,786 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] [2018-11-18 15:50:00,786 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:50:00,786 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:50:00,786 INFO L82 PathProgramCache]: Analyzing trace with hash 2022272802, now seen corresponding path program 1 times [2018-11-18 15:50:00,786 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:50:00,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:50:00,787 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:50:00,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:50:00,787 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:50:00,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:00,935 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 15:50:00,935 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:50:00,936 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:50:00,936 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 181 with the following transitions: [2018-11-18 15:50:00,938 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [57], [58], [59], [61], [64], [68], [69], [70], [74], [76], [77], [80], [83], [85], [91], [95], [98], [99], [103], [104], [105], [106], [110], [116], [120], [124], [127], [130], [132], [138], [140], [143], [159], [160], [161], [162], [163], [164], [165], [167], [172], [174], [175], [176], [177], [185], [186], [190], [193], [197], [203], [233], [237], [238], [242], [245], [247], [250], [257], [260], [263], [267], [268], [271], [274], [276], [282], [286], [289], [290], [291], [292], [293], [294], [295], [296], [298], [299], [300], [301], [302], [303], [304], [305], [306], [310], [311], [312], [313], [314], [316], [317], [318], [319], [322], [323], [324], [325], [326], [327], [332], [333], [336], [337], [338], [339], [340], [341], [342], [343], [344], [345], [350], [351], [352], [354], [355], [356], [357], [360], [361], [362], [363], [366], [367], [368], [369] [2018-11-18 15:50:00,970 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:50:00,971 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:50:02,319 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 15:50:02,321 INFO L272 AbstractInterpreter]: Visited 127 different actions 275 times. Merged at 14 different actions 18 times. Never widened. Performed 16825 root evaluator evaluations with a maximum evaluation depth of 5. Performed 16825 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 3 fixpoints after 3 different actions. Largest state had 134 variables. [2018-11-18 15:50:02,329 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:50:02,329 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 15:50:02,900 INFO L227 lantSequenceWeakener]: Weakened 154 states. On average, predicates are now at 96.86% of their original sizes. [2018-11-18 15:50:02,901 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 15:50:03,174 INFO L415 sIntCurrentIteration]: We unified 179 AI predicates to 179 [2018-11-18 15:50:03,174 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 15:50:03,175 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 15:50:03,175 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [34] imperfect sequences [11] total 43 [2018-11-18 15:50:03,175 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:50:03,175 INFO L459 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-11-18 15:50:03,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-11-18 15:50:03,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=971, Unknown=0, NotChecked=0, Total=1122 [2018-11-18 15:50:03,176 INFO L87 Difference]: Start difference. First operand 1811 states and 2187 transitions. Second operand 34 states. [2018-11-18 15:50:12,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:50:12,188 INFO L93 Difference]: Finished difference Result 4536 states and 5553 transitions. [2018-11-18 15:50:12,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-11-18 15:50:12,188 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 180 [2018-11-18 15:50:12,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:50:12,197 INFO L225 Difference]: With dead ends: 4536 [2018-11-18 15:50:12,198 INFO L226 Difference]: Without dead ends: 2753 [2018-11-18 15:50:12,202 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 191 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 592 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=270, Invalid=1800, Unknown=0, NotChecked=0, Total=2070 [2018-11-18 15:50:12,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2753 states. [2018-11-18 15:50:12,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2753 to 2655. [2018-11-18 15:50:12,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2655 states. [2018-11-18 15:50:12,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2655 states to 2655 states and 3159 transitions. [2018-11-18 15:50:12,333 INFO L78 Accepts]: Start accepts. Automaton has 2655 states and 3159 transitions. Word has length 180 [2018-11-18 15:50:12,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:50:12,334 INFO L480 AbstractCegarLoop]: Abstraction has 2655 states and 3159 transitions. [2018-11-18 15:50:12,334 INFO L481 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-11-18 15:50:12,334 INFO L276 IsEmpty]: Start isEmpty. Operand 2655 states and 3159 transitions. [2018-11-18 15:50:12,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-18 15:50:12,338 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:50:12,338 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] [2018-11-18 15:50:12,339 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:50:12,339 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:50:12,339 INFO L82 PathProgramCache]: Analyzing trace with hash 1178267300, now seen corresponding path program 1 times [2018-11-18 15:50:12,339 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:50:12,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:50:12,340 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:50:12,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:50:12,340 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:50:12,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:12,493 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-18 15:50:12,493 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:50:12,493 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 15:50:12,493 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:50:12,494 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 15:50:12,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 15:50:12,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 15:50:12,494 INFO L87 Difference]: Start difference. First operand 2655 states and 3159 transitions. Second operand 9 states. [2018-11-18 15:50:12,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:50:12,686 INFO L93 Difference]: Finished difference Result 4826 states and 5843 transitions. [2018-11-18 15:50:12,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 15:50:12,687 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 180 [2018-11-18 15:50:12,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:50:12,697 INFO L225 Difference]: With dead ends: 4826 [2018-11-18 15:50:12,698 INFO L226 Difference]: Without dead ends: 2571 [2018-11-18 15:50:12,703 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:50:12,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2571 states. [2018-11-18 15:50:12,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2571 to 2569. [2018-11-18 15:50:12,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2569 states. [2018-11-18 15:50:12,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3038 transitions. [2018-11-18 15:50:12,819 INFO L78 Accepts]: Start accepts. Automaton has 2569 states and 3038 transitions. Word has length 180 [2018-11-18 15:50:12,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:50:12,820 INFO L480 AbstractCegarLoop]: Abstraction has 2569 states and 3038 transitions. [2018-11-18 15:50:12,820 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 15:50:12,820 INFO L276 IsEmpty]: Start isEmpty. Operand 2569 states and 3038 transitions. [2018-11-18 15:50:12,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-18 15:50:12,824 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:50:12,824 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:50:12,824 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:50:12,824 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:50:12,824 INFO L82 PathProgramCache]: Analyzing trace with hash -922679898, now seen corresponding path program 1 times [2018-11-18 15:50:12,824 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:50:12,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:50:12,825 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:50:12,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:50:12,825 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:50:12,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:13,018 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 15:50:13,018 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:50:13,018 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-11-18 15:50:13,018 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:50:13,018 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-18 15:50:13,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-18 15:50:13,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2018-11-18 15:50:13,019 INFO L87 Difference]: Start difference. First operand 2569 states and 3038 transitions. Second operand 13 states. [2018-11-18 15:50:13,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:50:13,771 INFO L93 Difference]: Finished difference Result 6445 states and 7767 transitions. [2018-11-18 15:50:13,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-18 15:50:13,772 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 184 [2018-11-18 15:50:13,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:50:13,786 INFO L225 Difference]: With dead ends: 6445 [2018-11-18 15:50:13,786 INFO L226 Difference]: Without dead ends: 4087 [2018-11-18 15:50:13,792 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=569, Unknown=0, NotChecked=0, Total=650 [2018-11-18 15:50:13,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4087 states. [2018-11-18 15:50:13,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4087 to 3946. [2018-11-18 15:50:13,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3946 states. [2018-11-18 15:50:13,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3946 states to 3946 states and 4620 transitions. [2018-11-18 15:50:13,968 INFO L78 Accepts]: Start accepts. Automaton has 3946 states and 4620 transitions. Word has length 184 [2018-11-18 15:50:13,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:50:13,969 INFO L480 AbstractCegarLoop]: Abstraction has 3946 states and 4620 transitions. [2018-11-18 15:50:13,969 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-18 15:50:13,969 INFO L276 IsEmpty]: Start isEmpty. Operand 3946 states and 4620 transitions. [2018-11-18 15:50:13,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-11-18 15:50:13,974 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:50:13,974 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:50:13,974 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:50:13,975 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:50:13,975 INFO L82 PathProgramCache]: Analyzing trace with hash 988770005, now seen corresponding path program 1 times [2018-11-18 15:50:13,975 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:50:13,975 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:50:13,975 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:50:13,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:50:13,976 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:50:13,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:14,070 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 15:50:14,070 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:50:14,070 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 15:50:14,070 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:50:14,071 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 15:50:14,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 15:50:14,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 15:50:14,071 INFO L87 Difference]: Start difference. First operand 3946 states and 4620 transitions. Second operand 4 states. [2018-11-18 15:50:14,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:50:14,260 INFO L93 Difference]: Finished difference Result 4552 states and 5344 transitions. [2018-11-18 15:50:14,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 15:50:14,260 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 186 [2018-11-18 15:50:14,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:50:14,265 INFO L225 Difference]: With dead ends: 4552 [2018-11-18 15:50:14,266 INFO L226 Difference]: Without dead ends: 1775 [2018-11-18 15:50:14,270 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 15:50:14,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1775 states. [2018-11-18 15:50:14,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1775 to 1775. [2018-11-18 15:50:14,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1775 states. [2018-11-18 15:50:14,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 1775 states and 2021 transitions. [2018-11-18 15:50:14,329 INFO L78 Accepts]: Start accepts. Automaton has 1775 states and 2021 transitions. Word has length 186 [2018-11-18 15:50:14,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:50:14,329 INFO L480 AbstractCegarLoop]: Abstraction has 1775 states and 2021 transitions. [2018-11-18 15:50:14,329 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 15:50:14,330 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 2021 transitions. [2018-11-18 15:50:14,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-18 15:50:14,332 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:50:14,333 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, 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] [2018-11-18 15:50:14,333 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:50:14,333 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:50:14,333 INFO L82 PathProgramCache]: Analyzing trace with hash -1188468576, now seen corresponding path program 1 times [2018-11-18 15:50:14,333 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:50:14,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:50:14,334 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:50:14,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:50:14,334 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:50:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:14,455 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 15:50:14,456 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:50:14,456 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:50:14,456 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 189 with the following transitions: [2018-11-18 15:50:14,456 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [57], [58], [59], [61], [64], [68], [69], [70], [74], [76], [77], [80], [83], [85], [91], [95], [98], [99], [103], [104], [105], [106], [110], [116], [120], [124], [127], [130], [132], [135], [140], [143], [159], [160], [161], [162], [163], [164], [165], [167], [172], [174], [175], [176], [177], [180], [182], [184], [185], [186], [190], [193], [197], [203], [233], [237], [238], [242], [245], [247], [250], [257], [260], [263], [267], [268], [271], [274], [276], [282], [286], [289], [290], [291], [292], [293], [294], [295], [296], [298], [299], [300], [301], [302], [303], [304], [305], [306], [310], [311], [312], [313], [314], [316], [317], [318], [319], [322], [323], [324], [325], [326], [327], [328], [329], [332], [333], [336], [337], [338], [339], [340], [341], [342], [343], [344], [345], [350], [351], [352], [354], [355], [356], [357], [360], [361], [362], [363], [366], [367], [368], [369] [2018-11-18 15:50:14,460 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:50:14,460 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:50:16,357 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 15:50:16,357 INFO L272 AbstractInterpreter]: Visited 150 different actions 1097 times. Merged at 22 different actions 101 times. Never widened. Performed 45156 root evaluator evaluations with a maximum evaluation depth of 5. Performed 45156 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 18 fixpoints after 5 different actions. Largest state had 134 variables. [2018-11-18 15:50:16,365 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:50:16,365 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 15:50:16,365 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:50:16,365 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_da61c8f5-281c-4010-8570-f220e17e83b2/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 15:50:16,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:50:16,372 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 15:50:16,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:16,468 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:50:16,590 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 34 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:50:16,590 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:50:16,852 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 15:50:16,869 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 15:50:16,869 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-11-18 15:50:16,869 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 15:50:16,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 15:50:16,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 15:50:16,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-11-18 15:50:16,870 INFO L87 Difference]: Start difference. First operand 1775 states and 2021 transitions. Second operand 16 states. [2018-11-18 15:50:17,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:50:17,684 INFO L93 Difference]: Finished difference Result 3603 states and 4290 transitions. [2018-11-18 15:50:17,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-18 15:50:17,684 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 188 [2018-11-18 15:50:17,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:50:17,689 INFO L225 Difference]: With dead ends: 3603 [2018-11-18 15:50:17,689 INFO L226 Difference]: Without dead ends: 2326 [2018-11-18 15:50:17,693 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 405 GetRequests, 368 SyntacticMatches, 5 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=188, Invalid=934, Unknown=0, NotChecked=0, Total=1122 [2018-11-18 15:50:17,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2326 states. [2018-11-18 15:50:17,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2326 to 2105. [2018-11-18 15:50:17,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2105 states. [2018-11-18 15:50:17,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2105 states to 2105 states and 2369 transitions. [2018-11-18 15:50:17,780 INFO L78 Accepts]: Start accepts. Automaton has 2105 states and 2369 transitions. Word has length 188 [2018-11-18 15:50:17,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:50:17,781 INFO L480 AbstractCegarLoop]: Abstraction has 2105 states and 2369 transitions. [2018-11-18 15:50:17,781 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 15:50:17,781 INFO L276 IsEmpty]: Start isEmpty. Operand 2105 states and 2369 transitions. [2018-11-18 15:50:17,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-11-18 15:50:17,787 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:50:17,788 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-11-18 15:50:17,788 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:50:17,788 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:50:17,788 INFO L82 PathProgramCache]: Analyzing trace with hash 1972413548, now seen corresponding path program 1 times [2018-11-18 15:50:17,788 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:50:17,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:50:17,789 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:50:17,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:50:17,789 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:50:17,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:17,977 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 82 proven. 53 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2018-11-18 15:50:17,977 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:50:17,977 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:50:17,978 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 314 with the following transitions: [2018-11-18 15:50:17,978 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [57], [58], [59], [61], [64], [68], [69], [70], [74], [76], [77], [78], [79], [80], [83], [85], [88], [91], [95], [98], [99], [103], [104], [105], [106], [110], [116], [120], [124], [127], [130], [132], [135], [138], [140], [143], [159], [160], [161], [162], [163], [164], [165], [167], [172], [174], [175], [176], [177], [180], [182], [184], [185], [186], [190], [193], [197], [203], [233], [237], [238], [242], [245], [247], [250], [257], [260], [263], [267], [268], [271], [274], [276], [282], [286], [289], [290], [291], [292], [293], [294], [295], [296], [298], [299], [300], [301], [302], [303], [304], [305], [306], [310], [311], [312], [313], [314], [316], [317], [318], [319], [320], [321], [322], [323], [324], [325], [326], [327], [328], [329], [332], [333], [336], [337], [338], [339], [340], [341], [342], [343], [344], [345], [350], [351], [352], [354], [355], [356], [357], [360], [361], [362], [363], [366], [367], [368], [369] [2018-11-18 15:50:17,981 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:50:17,981 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:50:20,153 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 15:50:20,153 INFO L272 AbstractInterpreter]: Visited 156 different actions 1588 times. Merged at 24 different actions 155 times. Widened at 1 different actions 1 times. Performed 65985 root evaluator evaluations with a maximum evaluation depth of 5. Performed 65985 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 34 fixpoints after 6 different actions. Largest state had 134 variables. [2018-11-18 15:50:20,167 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:50:20,167 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 15:50:20,168 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:50:20,168 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_da61c8f5-281c-4010-8570-f220e17e83b2/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 15:50:20,174 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:50:20,174 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 15:50:20,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:20,348 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:50:20,472 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 216 proven. 5 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-18 15:50:20,473 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:50:20,961 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 80 proven. 31 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2018-11-18 15:50:20,977 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 15:50:20,978 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 13] total 28 [2018-11-18 15:50:20,978 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 15:50:20,979 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-18 15:50:20,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-18 15:50:20,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=636, Unknown=0, NotChecked=0, Total=756 [2018-11-18 15:50:20,980 INFO L87 Difference]: Start difference. First operand 2105 states and 2369 transitions. Second operand 20 states. [2018-11-18 15:50:22,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:50:22,390 INFO L93 Difference]: Finished difference Result 3690 states and 4177 transitions. [2018-11-18 15:50:22,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-18 15:50:22,392 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 313 [2018-11-18 15:50:22,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:50:22,393 INFO L225 Difference]: With dead ends: 3690 [2018-11-18 15:50:22,393 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 15:50:22,398 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 672 GetRequests, 615 SyntacticMatches, 10 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 478 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=477, Invalid=1875, Unknown=0, NotChecked=0, Total=2352 [2018-11-18 15:50:22,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 15:50:22,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 15:50:22,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 15:50:22,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 15:50:22,399 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 313 [2018-11-18 15:50:22,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:50:22,400 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 15:50:22,400 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-18 15:50:22,400 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 15:50:22,400 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:50:22,403 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 15:50:22,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:50:22,508 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:50:22,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:50:22,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:50:22,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:50:22,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:50:22,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:50:22,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:50:22,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:50:22,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:50:22,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:50:22,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:50:22,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:50:23,010 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:50:23,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:50:23,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:50:23,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:50:23,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:50:23,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:50:23,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:50:23,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:50:23,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:50:23,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:50:23,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:50:23,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:50:23,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:50:23,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:50:23,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:50:23,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:50:23,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:50:23,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:50:23,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:50:23,324 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:50:23,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:50:23,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:50:23,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:50:23,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:50:23,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:50:23,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:50:23,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:50:23,484 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:50:23,723 WARN L180 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 35 [2018-11-18 15:50:23,921 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 45 [2018-11-18 15:50:24,096 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 35 [2018-11-18 15:50:24,205 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 33 [2018-11-18 15:50:24,442 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 33 [2018-11-18 15:50:25,038 WARN L180 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 56 [2018-11-18 15:50:25,284 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 39 [2018-11-18 15:50:25,821 WARN L180 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 69 [2018-11-18 15:50:26,210 WARN L180 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 49 [2018-11-18 15:50:26,374 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 34 [2018-11-18 15:50:26,657 WARN L180 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 51 [2018-11-18 15:50:26,910 WARN L180 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 38 [2018-11-18 15:50:27,223 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 41 [2018-11-18 15:50:27,606 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 43 [2018-11-18 15:50:27,972 WARN L180 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 52 [2018-11-18 15:50:28,194 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 42 [2018-11-18 15:50:28,370 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 44 [2018-11-18 15:50:28,511 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 45 [2018-11-18 15:50:28,918 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 36 [2018-11-18 15:50:29,261 WARN L180 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 45 [2018-11-18 15:50:29,414 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 36 [2018-11-18 15:50:29,436 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 530 536) the Hoare annotation is: true [2018-11-18 15:50:29,437 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 530 536) no Hoare annotation was computed. [2018-11-18 15:50:29,437 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 537 545) no Hoare annotation was computed. [2018-11-18 15:50:29,437 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 537 545) the Hoare annotation is: true [2018-11-18 15:50:29,437 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 537 545) no Hoare annotation was computed. [2018-11-18 15:50:29,437 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 980 987) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-18 15:50:29,437 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 980 987) no Hoare annotation was computed. [2018-11-18 15:50:29,437 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 980 987) no Hoare annotation was computed. [2018-11-18 15:50:29,437 INFO L425 ceAbstractionStarter]: For program point L993(line 993) no Hoare annotation was computed. [2018-11-18 15:50:29,437 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 988 997) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= ~waterLevel~0 1))) (.cse0 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse7 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~systemActive~0 1))) (.cse3 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse2 .cse6 .cse4 .cse7 .cse5) (or .cse2 .cse4 .cse7 .cse5 .cse8 .cse6) (or .cse0 .cse2 .cse3 .cse4 .cse5 .cse8) (or (let ((.cse9 (or .cse2 .cse4 (not (= ~waterLevel~0 2))))) (and (or .cse0 .cse9 .cse8) (or .cse7 .cse9 .cse8))) (or .cse3 .cse6)))) [2018-11-18 15:50:29,437 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 988 997) no Hoare annotation was computed. [2018-11-18 15:50:29,437 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 988 997) no Hoare annotation was computed. [2018-11-18 15:50:29,437 INFO L421 ceAbstractionStarter]: At program point L1013(line 1013) the Hoare annotation is: (let ((.cse3 (< ~switchedOnBeforeTS~0 1)) (.cse7 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 0))) (.cse5 (not (= ~waterLevel~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~systemActive~0 1))) (.cse9 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse8 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse4 .cse5) (or .cse3 .cse1 .cse4 .cse5 .cse6) (or .cse7 .cse4 .cse6 .cse8) (or .cse1 .cse4 .cse9 .cse6 .cse8) (or .cse0 .cse7 .cse4 .cse8) (or .cse1 .cse2 .cse6) (or .cse0 .cse1 .cse4 .cse9 .cse5) (or .cse1 .cse4 .cse9 .cse5 .cse6) (or .cse0 .cse1 .cse4 .cse9 .cse8))) [2018-11-18 15:50:29,438 INFO L425 ceAbstractionStarter]: For program point L1011(lines 1011 1017) no Hoare annotation was computed. [2018-11-18 15:50:29,438 INFO L425 ceAbstractionStarter]: For program point L1010(lines 1010 1020) no Hoare annotation was computed. [2018-11-18 15:50:29,438 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 998 1026) the Hoare annotation is: true [2018-11-18 15:50:29,438 INFO L421 ceAbstractionStarter]: At program point L1008(line 1008) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse7 (not (= ~waterLevel~0 2)))) (let ((.cse6 (not (= 1 ~pumpRunning~0))) (.cse10 (not (= ~systemActive~0 0))) (.cse11 (or .cse1 .cse7)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< ~switchedOnBeforeTS~0 1)) (.cse4 (not (= ~waterLevel~0 1))) (.cse2 (= ~waterLevel~0 __utac_acc__Specification5_spec__3_~tmp~10)) (.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= ~systemActive~0 1))) (.cse9 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse3 .cse5 .cse7) (or .cse8 .cse1 .cse3 .cse9 .cse4 .cse2) (or .cse10 .cse11 .cse5) (or .cse8 .cse6 .cse3 .cse7) (or .cse1 .cse3 .cse9 .cse5 .cse7) (or .cse8 .cse10 .cse11) (or .cse1 .cse2 .cse3 .cse9 .cse4 .cse5) (or .cse0 .cse8 .cse1 .cse3 .cse4 .cse2) (or .cse8 .cse1 .cse3 .cse9 .cse7)))) [2018-11-18 15:50:29,438 INFO L425 ceAbstractionStarter]: For program point L1008-1(line 1008) no Hoare annotation was computed. [2018-11-18 15:50:29,438 INFO L425 ceAbstractionStarter]: For program point L1006(lines 1006 1023) no Hoare annotation was computed. [2018-11-18 15:50:29,438 INFO L425 ceAbstractionStarter]: For program point L1006-1(lines 998 1026) no Hoare annotation was computed. [2018-11-18 15:50:29,438 INFO L428 ceAbstractionStarter]: At program point L1004(line 1004) the Hoare annotation is: true [2018-11-18 15:50:29,438 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 998 1026) no Hoare annotation was computed. [2018-11-18 15:50:29,438 INFO L425 ceAbstractionStarter]: For program point L1004-1(line 1004) no Hoare annotation was computed. [2018-11-18 15:50:29,438 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 488 510) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-18 15:50:29,438 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2018-11-18 15:50:29,438 INFO L421 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= main_~tmp~3 ~systemActive~0) (= ~pumpRunning~0 0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:50:29,438 INFO L421 ceAbstractionStarter]: At program point L500-1(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= main_~tmp~3 ~systemActive~0) (= ~pumpRunning~0 0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:50:29,438 INFO L425 ceAbstractionStarter]: For program point L498(lines 498 505) no Hoare annotation was computed. [2018-11-18 15:50:29,438 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2018-11-18 15:50:29,438 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-18 15:50:29,439 INFO L421 ceAbstractionStarter]: At program point L495(line 495) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-18 15:50:29,439 INFO L421 ceAbstractionStarter]: At program point L494(line 494) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-18 15:50:29,439 INFO L421 ceAbstractionStarter]: At program point L494-1(line 494) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-18 15:50:29,439 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2018-11-18 15:50:29,439 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 963 977) no Hoare annotation was computed. [2018-11-18 15:50:29,439 INFO L421 ceAbstractionStarter]: At program point L969(line 969) the Hoare annotation is: (let ((.cse7 (not (= ~waterLevel~0 2)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= ~systemActive~0 1)) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (or (= |old(~systemActive~0)| 0) .cse7)) (.cse5 (not (= ~systemActive~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6) (or (or .cse2 .cse7) (not (= ~pumpRunning~0 0)) .cse3) (or .cse0 .cse4 .cse2) (or .cse1 .cse3) (or .cse6 .cse5 .cse3)))) [2018-11-18 15:50:29,439 INFO L425 ceAbstractionStarter]: For program point L967(lines 967 973) no Hoare annotation was computed. [2018-11-18 15:50:29,439 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 963 977) the Hoare annotation is: (let ((.cse13 (= ~systemActive~0 0))) (let ((.cse11 (not (= ~waterLevel~0 2))) (.cse12 (= 0 |old(~pumpRunning~0)|)) (.cse9 (= |old(~systemActive~0)| 0)) (.cse14 (= 0 ~pumpRunning~0)) (.cse8 (not .cse13))) (let ((.cse7 (= ~systemActive~0 1)) (.cse6 (not (= |old(~systemActive~0)| 1))) (.cse10 (and .cse14 .cse8)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not .cse9)) (.cse2 (not .cse12)) (.cse1 (and .cse13 .cse14)) (.cse5 (or .cse9 .cse11)) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (= ~pumpRunning~0 1) .cse5 (not (= 1 |old(~pumpRunning~0)|))) (or .cse6 .cse3 .cse7) (or .cse4 .cse8 .cse5) (or .cse4 .cse9 .cse2 .cse10) (or .cse4 .cse7 .cse6) (or (or .cse6 .cse11 .cse12) (not (= ~pumpRunning~0 0)) .cse3) (or .cse10 .cse9 .cse2 .cse3) (or .cse4 .cse0 .cse2 .cse1) (or .cse5 .cse8 .cse3))))) [2018-11-18 15:50:29,439 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 963 977) no Hoare annotation was computed. [2018-11-18 15:50:29,439 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 880 888) no Hoare annotation was computed. [2018-11-18 15:50:29,439 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 880 888) the Hoare annotation is: true [2018-11-18 15:50:29,439 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 880 888) no Hoare annotation was computed. [2018-11-18 15:50:29,439 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 944 962) the Hoare annotation is: true [2018-11-18 15:50:29,439 INFO L425 ceAbstractionStarter]: For program point L953(lines 953 957) no Hoare annotation was computed. [2018-11-18 15:50:29,439 INFO L428 ceAbstractionStarter]: At program point L951(line 951) the Hoare annotation is: true [2018-11-18 15:50:29,439 INFO L425 ceAbstractionStarter]: For program point L953-2(lines 953 957) no Hoare annotation was computed. [2018-11-18 15:50:29,439 INFO L425 ceAbstractionStarter]: For program point L951-1(line 951) no Hoare annotation was computed. [2018-11-18 15:50:29,439 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 944 962) no Hoare annotation was computed. [2018-11-18 15:50:29,439 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 944 962) no Hoare annotation was computed. [2018-11-18 15:50:29,440 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 523 529) no Hoare annotation was computed. [2018-11-18 15:50:29,440 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 523 529) the Hoare annotation is: true [2018-11-18 15:50:29,440 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 474 484) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-18 15:50:29,440 INFO L421 ceAbstractionStarter]: At program point L479(line 479) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:50:29,440 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 474 484) no Hoare annotation was computed. [2018-11-18 15:50:29,440 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 474 484) no Hoare annotation was computed. [2018-11-18 15:50:29,440 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 869 879) the Hoare annotation is: true [2018-11-18 15:50:29,440 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 869 879) no Hoare annotation was computed. [2018-11-18 15:50:29,440 INFO L428 ceAbstractionStarter]: At program point L874(line 874) the Hoare annotation is: true [2018-11-18 15:50:29,440 INFO L425 ceAbstractionStarter]: For program point L874-1(line 874) no Hoare annotation was computed. [2018-11-18 15:50:29,440 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 869 879) no Hoare annotation was computed. [2018-11-18 15:50:29,440 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 861 868) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~waterLevel~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (or .cse1 .cse2) .cse3 .cse4) (or (or .cse1 (not (= ~waterLevel~0 2)) (= 0 |old(~pumpRunning~0)|)) (not (= ~pumpRunning~0 0)) .cse5) (or .cse0 .cse3 .cse1 .cse4 .cse2 .cse5))) [2018-11-18 15:50:29,440 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 861 868) no Hoare annotation was computed. [2018-11-18 15:50:29,440 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 861 868) no Hoare annotation was computed. [2018-11-18 15:50:29,440 INFO L425 ceAbstractionStarter]: For program point L834-1(line 834) no Hoare annotation was computed. [2018-11-18 15:50:29,440 INFO L425 ceAbstractionStarter]: For program point L832(lines 832 849) no Hoare annotation was computed. [2018-11-18 15:50:29,440 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 828 852) no Hoare annotation was computed. [2018-11-18 15:50:29,440 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 828 852) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (let ((.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~waterLevel~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse7 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse6 .cse1 .cse3 .cse7) (or .cse1 .cse8 .cse2 .cse3 .cse4 .cse5) (or .cse1 (or .cse6 .cse8 .cse2 .cse3 .cse4)) (or .cse3 .cse7 .cse5 .cse1)))) [2018-11-18 15:50:29,440 INFO L421 ceAbstractionStarter]: At program point L847(line 847) the Hoare annotation is: (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~waterLevel~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse8 (or .cse5 .cse2 (not (= ~waterLevel~0 2)))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse6 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse3 .cse4 .cse7) (or .cse0 .cse5 .cse6 .cse2 .cse3 .cse4) (or .cse0 .cse6 .cse3 .cse8) (or .cse1 .cse2 .cse3 .cse4 .cse7) (or .cse3 .cse8 .cse7 .cse6)))) [2018-11-18 15:50:29,441 INFO L425 ceAbstractionStarter]: For program point L847-1(lines 828 852) no Hoare annotation was computed. [2018-11-18 15:50:29,441 INFO L421 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: (let ((.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (let ((.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (or .cse7 .cse2 (not (= ~waterLevel~0 2)))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse4 .cse5 (and (= processEnvironment_~tmp~7 ~methaneLevelCritical~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or .cse0 .cse3 .cse6) (or .cse3 .cse6 .cse5) (or .cse7 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse7 .cse2 .cse3 .cse4)))) [2018-11-18 15:50:29,441 INFO L421 ceAbstractionStarter]: At program point L838(line 838) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 1)))) (let ((.cse2 (or .cse4 .cse5 (not (= ~waterLevel~0 2)))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse6 .cse3) (or .cse7 .cse5 .cse1 .cse6 .cse3) (or (and (= processEnvironment_~tmp~7 ~methaneLevelCritical~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (or .cse0 .cse7 .cse5 .cse1 .cse6)) (or .cse0 .cse4 .cse5 .cse1 .cse6)))) [2018-11-18 15:50:29,441 INFO L425 ceAbstractionStarter]: For program point L836(lines 836 844) no Hoare annotation was computed. [2018-11-18 15:50:29,441 INFO L421 ceAbstractionStarter]: At program point L834(line 834) the Hoare annotation is: (let ((.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 1)))) (let ((.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (or .cse8 .cse5 (not (= ~waterLevel~0 2)))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse1 .cse6 .cse7) (or .cse3 (or .cse0 .cse4 .cse5 .cse1 .cse6)) (or .cse1 .cse2 .cse7) (or .cse8 .cse5 .cse1 .cse6 .cse7) (or .cse0 .cse8 .cse5 .cse1 .cse6)))) [2018-11-18 15:50:29,441 INFO L425 ceAbstractionStarter]: For program point L713(lines 713 719) no Hoare annotation was computed. [2018-11-18 15:50:29,441 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 709 722) no Hoare annotation was computed. [2018-11-18 15:50:29,441 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 709 722) the Hoare annotation is: true [2018-11-18 15:50:29,441 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 709 722) no Hoare annotation was computed. [2018-11-18 15:50:29,441 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 768 774) no Hoare annotation was computed. [2018-11-18 15:50:29,441 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 768 774) the Hoare annotation is: true [2018-11-18 15:50:29,441 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 557 622) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:50:29,441 INFO L421 ceAbstractionStarter]: At program point L605(line 605) the Hoare annotation is: (let ((.cse2 (= test_~splverifierCounter~0 0))) (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (and (not (= ~systemActive~0 0)) (= 2 ~waterLevel~0) .cse2)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse1 (= ~systemActive~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse3 .cse2) (and .cse0 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse5) (and .cse4 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-11-18 15:50:29,441 INFO L425 ceAbstractionStarter]: For program point L603(lines 603 609) no Hoare annotation was computed. [2018-11-18 15:50:29,441 INFO L421 ceAbstractionStarter]: At program point L603-1(lines 597 610) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 0)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse8 (= 1 ~waterLevel~0)) (.cse6 (= 0 ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse0 (= ~waterLevel~0 2)) (.cse9 (= ~methaneLevelCritical~0 0)) (.cse10 (= ~pumpRunning~0 0)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse5 .cse6 .cse2 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse7 .cse6 .cse4) (and .cse6 .cse8 .cse2 .cse3 .cse4) (and .cse7 .cse0 .cse1 .cse3 .cse4) (and .cse8 .cse9 .cse10 .cse3 .cse4) (and .cse6 (= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse0 .cse9 .cse10 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 15:50:29,441 INFO L425 ceAbstractionStarter]: For program point L568(lines 567 614) no Hoare annotation was computed. [2018-11-18 15:50:29,442 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 557 622) no Hoare annotation was computed. [2018-11-18 15:50:29,442 INFO L425 ceAbstractionStarter]: For program point L597(lines 597 610) no Hoare annotation was computed. [2018-11-18 15:50:29,442 INFO L421 ceAbstractionStarter]: At program point L589(line 589) the Hoare annotation is: (let ((.cse8 (= ~systemActive~0 0)) (.cse0 (= ~waterLevel~0 2)) (.cse1 (= ~pumpRunning~0 1)) (.cse9 (= 0 ~methaneLevelCritical~0)) (.cse7 (= 1 ~waterLevel~0)) (.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (= 0 ~pumpRunning~0)) (.cse10 (= 2 ~waterLevel~0)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0)) (.cse11 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse5 .cse6 .cse7 .cse2 .cse3 .cse4) (and .cse8 .cse6 .cse2 .cse4) (and .cse9 .cse6 .cse7 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse8 .cse9 .cse6 .cse4) (and .cse9 .cse0 .cse1 .cse3 .cse4) (and .cse9 .cse6 .cse10 .cse3 .cse4) (and .cse6 .cse7 .cse2 .cse3 .cse4 .cse11) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (or (and .cse5 .cse6 .cse10 .cse2 .cse3 .cse4) (and .cse6 .cse10 .cse2 .cse3 .cse4 .cse11)))) [2018-11-18 15:50:29,442 INFO L425 ceAbstractionStarter]: For program point L587(lines 587 593) no Hoare annotation was computed. [2018-11-18 15:50:29,442 INFO L425 ceAbstractionStarter]: For program point L587-1(lines 587 593) no Hoare annotation was computed. [2018-11-18 15:50:29,442 INFO L421 ceAbstractionStarter]: At program point L612(lines 567 614) the Hoare annotation is: (let ((.cse0 (= 1 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse9 (= ~systemActive~0 0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse6 (= 0 ~pumpRunning~0)) (.cse4 (= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse8 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse4 .cse7 .cse1 .cse2 .cse8) (and (<= 1 ~switchedOnBeforeTS~0) .cse6 .cse0 .cse7 .cse1 .cse2) (and .cse9 .cse6 .cse7 .cse2) (and .cse6 .cse0 .cse7 .cse1 .cse2 .cse8) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse5 .cse7 .cse1 .cse2) (and .cse9 .cse3 .cse6 .cse2) (and .cse3 .cse6 .cse4 .cse1 .cse2 .cse8) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 15:50:29,442 INFO L421 ceAbstractionStarter]: At program point L579(line 579) the Hoare annotation is: (let ((.cse8 (= 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse1 (= ~waterLevel~0 2)) (.cse3 (= ~systemActive~0 1)) (.cse7 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse9 (= ~systemActive~0 0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse6 .cse3 .cse4 .cse7) (or (and .cse5 .cse8 .cse6 .cse3 .cse4 .cse7) (and (<= 1 ~switchedOnBeforeTS~0) .cse5 .cse8 .cse6 .cse3 .cse4)) (and .cse8 (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) .cse3 .cse4) (and .cse1 .cse2 .cse6 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse9 .cse5 .cse6 .cse4) (and .cse0 .cse5 .cse1 .cse3 .cse4 .cse7) (not (= 0 |old(~pumpRunning~0)|)) (and .cse9 .cse0 .cse5 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 15:50:29,442 INFO L425 ceAbstractionStarter]: For program point L577(lines 577 583) no Hoare annotation was computed. [2018-11-18 15:50:29,442 INFO L425 ceAbstractionStarter]: For program point L577-1(lines 577 583) no Hoare annotation was computed. [2018-11-18 15:50:29,442 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 573) no Hoare annotation was computed. [2018-11-18 15:50:29,442 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 567 614) no Hoare annotation was computed. [2018-11-18 15:50:29,442 INFO L421 ceAbstractionStarter]: At program point L615(lines 566 616) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:50:29,442 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 557 622) no Hoare annotation was computed. [2018-11-18 15:50:29,442 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 723 731) no Hoare annotation was computed. [2018-11-18 15:50:29,442 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 723 731) the Hoare annotation is: true [2018-11-18 15:50:29,442 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 723 731) no Hoare annotation was computed. [2018-11-18 15:50:29,442 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:50:29,442 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (or (= ~waterLevel~0 1) (= |old(~waterLevel~0)| ~waterLevel~0))) [2018-11-18 15:50:29,442 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:50:29,443 INFO L425 ceAbstractionStarter]: For program point activatePumpFINAL(lines 853 860) no Hoare annotation was computed. [2018-11-18 15:50:29,443 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 853 860) no Hoare annotation was computed. [2018-11-18 15:50:29,443 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 853 860) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse4 (not (= ~waterLevel~0 2)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse4))) [2018-11-18 15:50:29,443 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 925 943) no Hoare annotation was computed. [2018-11-18 15:50:29,443 INFO L425 ceAbstractionStarter]: For program point L934(lines 934 938) no Hoare annotation was computed. [2018-11-18 15:50:29,443 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 925 943) the Hoare annotation is: true [2018-11-18 15:50:29,443 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 925 943) no Hoare annotation was computed. [2018-11-18 15:50:29,443 INFO L428 ceAbstractionStarter]: At program point L932(line 932) the Hoare annotation is: true [2018-11-18 15:50:29,443 INFO L425 ceAbstractionStarter]: For program point L934-2(lines 934 938) no Hoare annotation was computed. [2018-11-18 15:50:29,443 INFO L425 ceAbstractionStarter]: For program point L932-1(line 932) no Hoare annotation was computed. [2018-11-18 15:50:29,443 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 700 708) the Hoare annotation is: true [2018-11-18 15:50:29,443 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 700 708) no Hoare annotation was computed. [2018-11-18 15:50:29,443 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 700 708) no Hoare annotation was computed. [2018-11-18 15:50:29,443 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 656 667) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse13 (not (= ~waterLevel~0 2)))) (let ((.cse5 (not (= ~waterLevel~0 1))) (.cse8 (not (= ~systemActive~0 0))) (.cse9 (= 0 ~methaneLevelCritical~0)) (.cse11 (or .cse3 .cse13)) (.cse12 (not (= 1 ~pumpRunning~0))) (.cse7 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse10 (< ~switchedOnBeforeTS~0 1)) (.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse6 (or .cse1 .cse3 .cse13)) (.cse2 (= ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (or .cse6 .cse7) (= ~methaneLevelCritical~0 0)) (or .cse0 .cse1 .cse8 .cse2) (or .cse1 .cse9 .cse3 .cse5 .cse7) (or .cse10 .cse0 .cse1 .cse2 .cse3 .cse5) (or .cse1 .cse8 .cse9 .cse7) (or .cse0 .cse11 .cse2 .cse12) (or .cse9 (or .cse11 .cse12 .cse7)) (or (and (or .cse10 .cse0 .cse6) (or .cse0 .cse4 .cse6)) .cse2)))) [2018-11-18 15:50:29,443 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 656 667) no Hoare annotation was computed. [2018-11-18 15:50:29,443 INFO L425 ceAbstractionStarter]: For program point L660-1(lines 656 667) no Hoare annotation was computed. [2018-11-18 15:50:29,443 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 668 676) the Hoare annotation is: true [2018-11-18 15:50:29,443 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 668 676) no Hoare annotation was computed. [2018-11-18 15:50:29,443 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 668 676) no Hoare annotation was computed. [2018-11-18 15:50:29,443 INFO L421 ceAbstractionStarter]: At program point L757(line 757) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse13 (= 1 ~waterLevel~0)) (.cse11 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (and .cse13 (= ~pumpRunning~0 1) .cse11)) (.cse1 (not (= ~systemActive~0 0))) (.cse12 (= 0 ~pumpRunning~0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse8 (or .cse0 .cse4 .cse5)) (.cse14 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse10 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2) (or (or .cse3 (or .cse4 .cse5) .cse6) .cse7) (or (or .cse8 .cse2) (and .cse9 .cse10 .cse11)) (or .cse6 .cse7 (or .cse4 .cse2) .cse5) (or .cse3 .cse0 .cse1) (or .cse3 .cse0 (and .cse12 .cse13 .cse11) .cse4 .cse14) (or (and .cse12 .cse9 .cse11) (or .cse3 .cse8)) (or .cse0 .cse4 .cse14 .cse2 (and .cse13 .cse10 .cse11))))) [2018-11-18 15:50:29,444 INFO L421 ceAbstractionStarter]: At program point L755(lines 755 761) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse13 (= 1 ~waterLevel~0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (not (= 0 |old(~pumpRunning~0)|))) (.cse14 (not (= ~systemActive~0 1))) (.cse16 (not (= |old(~waterLevel~0)| 2)))) (let ((.cse2 (or .cse11 .cse14 .cse16)) (.cse0 (and (= ~pumpRunning~0 1) .cse4)) (.cse8 (or .cse14 .cse16)) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse10 (and (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse13)) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse12 (not (= ~systemActive~0 0))) (.cse15 (not (= |old(~waterLevel~0)| 1))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse7 (= ~pumpRunning~0 0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (or .cse1 .cse2) (and .cse3 .cse4 .cse5)) (or (or .cse2 .cse6) (and .cse4 .cse7 .cse5) .cse0) (or (or .cse1 .cse8 .cse9) .cse10) (or .cse1 .cse11 .cse12 .cse3) (or .cse11 .cse12 .cse4 .cse6) (or (or .cse8 .cse9 .cse6) .cse10) (or .cse1 .cse11 (and .cse3 .cse13 .cse5) .cse14 .cse15) (or .cse11 .cse12 .cse3 .cse6) (or .cse1 .cse11 .cse12 .cse4) (or .cse11 .cse14 .cse15 .cse6 (and .cse13 .cse7 .cse5))))) [2018-11-18 15:50:29,444 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 741 767) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse11 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse8 (and (= ~pumpRunning~0 1) .cse11)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (= 1 ~waterLevel~0)) (.cse12 (= ~pumpRunning~0 0)) (.cse9 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse13 (or .cse1 .cse4 .cse6)) (.cse10 (<= 1 ~switchedOnBeforeTS~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse14 (not (= ~methaneLevelCritical~0 0))) (.cse17 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse16 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse15 (not (= ~systemActive~0 0)))) (and (or .cse0 .cse1 (and .cse2 .cse3) .cse4 .cse5) (or (or .cse0 (or .cse4 .cse6) .cse7) .cse8) (or .cse9 .cse0 .cse1 .cse10 .cse4 .cse5) (or (and .cse11 .cse12) (or .cse13 .cse14)) (or .cse8 .cse7 (or .cse4 .cse14) .cse6) (or .cse0 .cse1 .cse15 .cse2) (or .cse1 .cse15 .cse11 .cse14) (or .cse1 .cse4 .cse16 .cse5 .cse14 .cse17) (or (or .cse0 .cse13) (and .cse2 .cse11)) (or (and .cse3 .cse12) .cse1 .cse4 .cse5 .cse14) (or .cse9 .cse1 .cse10 .cse4 .cse5 .cse14) (or (and (or .cse9 .cse13 .cse14) (or .cse16 .cse13 .cse14)) (or .cse10 .cse17)) (or .cse1 .cse15 .cse2 .cse14) (or .cse0 .cse1 .cse17 .cse4 .cse16 .cse5) (or .cse0 .cse1 .cse15 .cse11)))) [2018-11-18 15:50:29,444 INFO L421 ceAbstractionStarter]: At program point L750(line 750) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse10 (not (= |old(~waterLevel~0)| 2)))) (let ((.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse6 (or .cse0 .cse3 .cse10)) (.cse1 (not (= ~systemActive~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse9 (and (= ~pumpRunning~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse7 (or .cse3 .cse10)) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse2) (or .cse5 .cse6) (or .cse5 .cse0 .cse3 .cse4) (or .cse6 .cse2) (or .cse5 .cse0 .cse1) (or (or .cse5 .cse7 .cse8) .cse9) (or .cse9 (or .cse7 .cse8 .cse2))))) [2018-11-18 15:50:29,444 INFO L425 ceAbstractionStarter]: For program point L748(lines 744 766) no Hoare annotation was computed. [2018-11-18 15:50:29,444 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 741 767) no Hoare annotation was computed. [2018-11-18 15:50:29,444 INFO L425 ceAbstractionStarter]: For program point L746(lines 744 766) no Hoare annotation was computed. [2018-11-18 15:50:29,444 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 741 767) no Hoare annotation was computed. [2018-11-18 15:50:29,444 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2018-11-18 15:50:29,444 INFO L425 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2018-11-18 15:50:29,444 INFO L428 ceAbstractionStarter]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2018-11-18 15:50:29,444 INFO L425 ceAbstractionStarter]: For program point L418-1(lines 418 432) no Hoare annotation was computed. [2018-11-18 15:50:29,444 INFO L428 ceAbstractionStarter]: At program point L418-3(lines 418 432) the Hoare annotation is: true [2018-11-18 15:50:29,444 INFO L428 ceAbstractionStarter]: At program point L414(line 414) the Hoare annotation is: true [2018-11-18 15:50:29,444 INFO L425 ceAbstractionStarter]: For program point L414-1(line 414) no Hoare annotation was computed. [2018-11-18 15:50:29,444 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2018-11-18 15:50:29,444 INFO L428 ceAbstractionStarter]: At program point L433(lines 408 437) the Hoare annotation is: true [2018-11-18 15:50:29,445 INFO L425 ceAbstractionStarter]: For program point L429(line 429) no Hoare annotation was computed. [2018-11-18 15:50:29,445 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-18 15:50:29,445 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 632 643) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse4 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (or .cse3 (not (= ~methaneLevelCritical~0 0))) .cse4) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse3 .cse1 .cse2 .cse4))) [2018-11-18 15:50:29,445 INFO L425 ceAbstractionStarter]: For program point L636-1(lines 632 643) no Hoare annotation was computed. [2018-11-18 15:50:29,445 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 632 643) no Hoare annotation was computed. [2018-11-18 15:50:29,445 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2018-11-18 15:50:29,445 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2018-11-18 15:50:29,445 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:50:29,445 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-18 15:50:29,445 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 15:50:29,445 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:50:29,445 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 776 800) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse7 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse6 .cse1 .cse3 .cse7) (or .cse3 .cse7 .cse5 .cse1)))) [2018-11-18 15:50:29,446 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 776 800) no Hoare annotation was computed. [2018-11-18 15:50:29,446 INFO L421 ceAbstractionStarter]: At program point L795(line 795) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 1)))) (let ((.cse2 (or .cse4 .cse5 (not (= ~waterLevel~0 2)))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse6 .cse3) (or .cse0 .cse4 .cse5 .cse1 .cse6)))) [2018-11-18 15:50:29,446 INFO L425 ceAbstractionStarter]: For program point L795-1(lines 776 800) no Hoare annotation was computed. [2018-11-18 15:50:29,446 INFO L421 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (let ((.cse5 (not (= ~waterLevel~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse4 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse6 (or .cse1 .cse3 (not (= ~waterLevel~0 2))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse4 .cse6 .cse2 .cse7) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse7) (or .cse0 .cse2 .cse4 .cse6)))) [2018-11-18 15:50:29,446 INFO L421 ceAbstractionStarter]: At program point L786(line 786) the Hoare annotation is: (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~systemActive~0 1)))) (let ((.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (or .cse5 .cse6 (not (= ~waterLevel~0 2)))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse7 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse0 .cse1) (or .cse5 .cse6 .cse0 .cse7 .cse3) (or .cse4 .cse5 .cse6 .cse0 .cse7)))) [2018-11-18 15:50:29,446 INFO L425 ceAbstractionStarter]: For program point L784(lines 784 792) no Hoare annotation was computed. [2018-11-18 15:50:29,446 INFO L421 ceAbstractionStarter]: At program point L782(line 782) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse7 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse6 .cse1 .cse3 .cse7) (or .cse3 .cse7 .cse5 .cse1)))) [2018-11-18 15:50:29,446 INFO L425 ceAbstractionStarter]: For program point L782-1(line 782) no Hoare annotation was computed. [2018-11-18 15:50:29,447 INFO L425 ceAbstractionStarter]: For program point L780(lines 780 797) no Hoare annotation was computed. [2018-11-18 15:50:29,447 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 644 655) no Hoare annotation was computed. [2018-11-18 15:50:29,447 INFO L425 ceAbstractionStarter]: For program point L648-1(lines 644 655) no Hoare annotation was computed. [2018-11-18 15:50:29,447 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 644 655) the Hoare annotation is: (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse11 (not (= ~systemActive~0 1)))) (let ((.cse12 (not (= 1 ~pumpRunning~0))) (.cse9 (= 1 ~waterLevel~0)) (.cse10 (or .cse3 .cse11 (not (= |old(~waterLevel~0)| 1)))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (or .cse3 .cse11)) (.cse6 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse1 (not (= ~systemActive~0 0))) (.cse8 (or (= ~waterLevel~0 1) .cse2)) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse2 .cse4) (or .cse0 .cse1 .cse8 .cse3) (or .cse9 (and (or .cse0 .cse10 .cse6) (or (< ~switchedOnBeforeTS~0 1) .cse0 .cse10))) (or .cse2 .cse11 .cse12 .cse7 .cse4) (or .cse0 .cse2 .cse11 .cse12 .cse4) (or .cse9 (or .cse10 .cse7)) (or .cse1 .cse2 (or .cse3 .cse7) .cse4) (or .cse0 .cse5 .cse2 .cse6 .cse4) (or .cse1 .cse8 .cse7 .cse3)))) [2018-11-18 15:50:29,447 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 547 554) no Hoare annotation was computed. [2018-11-18 15:50:29,447 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 551) no Hoare annotation was computed. [2018-11-18 15:50:29,447 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 547 554) the Hoare annotation is: true [2018-11-18 15:50:29,447 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 547 554) no Hoare annotation was computed. [2018-11-18 15:50:29,447 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 802 826) no Hoare annotation was computed. [2018-11-18 15:50:29,448 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 802 826) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (let ((.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= ~waterLevel~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse7 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse6 .cse1 .cse3 .cse7) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse3 .cse4 .cse5) (or .cse3 .cse7 .cse5 .cse1)))) [2018-11-18 15:50:29,448 INFO L421 ceAbstractionStarter]: At program point L821(line 821) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (let ((.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= ~waterLevel~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse7 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse6 .cse1 .cse3 .cse7) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse3 .cse4 .cse5) (or .cse3 .cse7 .cse5 .cse1)))) [2018-11-18 15:50:29,448 INFO L425 ceAbstractionStarter]: For program point L821-1(lines 802 826) no Hoare annotation was computed. [2018-11-18 15:50:29,448 INFO L421 ceAbstractionStarter]: At program point L816(line 816) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 1)))) (let ((.cse2 (or .cse4 .cse5 (not (= ~waterLevel~0 2)))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse6 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse5 .cse1 .cse6 .cse3) (or .cse0 .cse4 .cse5 .cse1 .cse6)))) [2018-11-18 15:50:29,448 INFO L421 ceAbstractionStarter]: At program point L812(line 812) the Hoare annotation is: (let ((.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (let ((.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (or .cse7 .cse4 (not (= ~waterLevel~0 2)))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse1 (= processEnvironment__wrappee__lowWaterSensor_~tmp~6 1) .cse5 .cse6) (or .cse3 .cse4 .cse1 .cse5 .cse6 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (or .cse1 .cse2 .cse6) (or .cse7 .cse4 .cse1 .cse5 .cse6) (or .cse0 .cse7 .cse4 .cse1 .cse5)))) [2018-11-18 15:50:29,448 INFO L425 ceAbstractionStarter]: For program point L810(lines 810 818) no Hoare annotation was computed. [2018-11-18 15:50:29,448 INFO L421 ceAbstractionStarter]: At program point L808(line 808) the Hoare annotation is: (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (let ((.cse2 (or .cse6 .cse3 (not (= ~waterLevel~0 2)))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse1 .cse4 .cse5) (or .cse1 .cse2 .cse5) (or .cse6 .cse3 .cse1 .cse4 .cse5) (or .cse0 .cse6 .cse3 .cse1 .cse4)))) [2018-11-18 15:50:29,448 INFO L425 ceAbstractionStarter]: For program point L808-1(line 808) no Hoare annotation was computed. [2018-11-18 15:50:29,448 INFO L425 ceAbstractionStarter]: For program point L806(lines 806 823) no Hoare annotation was computed. [2018-11-18 15:50:29,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 03:50:29 BoogieIcfgContainer [2018-11-18 15:50:29,462 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 15:50:29,462 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:50:29,462 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:50:29,462 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:50:29,463 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:49:57" (3/4) ... [2018-11-18 15:50:29,473 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:50:29,480 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 15:50:29,481 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 15:50:29,481 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-18 15:50:29,481 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-18 15:50:29,481 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-18 15:50:29,481 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 15:50:29,481 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 15:50:29,481 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 15:50:29,481 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 15:50:29,481 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 15:50:29,481 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 15:50:29,481 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 15:50:29,481 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 15:50:29,481 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 15:50:29,481 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 15:50:29,482 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 15:50:29,482 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 15:50:29,482 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 15:50:29,482 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 15:50:29,482 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 15:50:29,482 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 15:50:29,482 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 15:50:29,482 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 15:50:29,482 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 15:50:29,482 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 15:50:29,482 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 15:50:29,482 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 15:50:29,482 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 15:50:29,483 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 15:50:29,483 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 15:50:29,483 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 15:50:29,483 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-18 15:50:29,490 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2018-11-18 15:50:29,491 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 15:50:29,491 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 15:50:29,514 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((1 == waterLevel && methaneLevelCritical == 0) && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0) || ((((0 == methaneLevelCritical && waterLevel == 2) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || (((((0 == pumpRunning && waterLevel == 2) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((((1 <= switchedOnBeforeTS && 0 == pumpRunning) && 1 == waterLevel) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || (((systemActive == 0 && 0 == pumpRunning) && methaneLevelCritical == 1) && splverifierCounter == 0)) || (((((0 == pumpRunning && 1 == waterLevel) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(0 == \old(pumpRunning))) || ((((waterLevel == 2 && pumpRunning == 1) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || (((systemActive == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter == 0)) || (((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel == 2) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 15:50:29,514 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 15:50:29,549 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_da61c8f5-281c-4010-8570-f220e17e83b2/bin-2019/utaipan/witness.graphml [2018-11-18 15:50:29,549 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:50:29,550 INFO L168 Benchmark]: Toolchain (without parser) took 33117.18 ms. Allocated memory was 1.0 GB in the beginning and 3.3 GB in the end (delta: 2.2 GB). Free memory was 956.4 MB in the beginning and 2.9 GB in the end (delta: -2.0 GB). Peak memory consumption was 282.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:50:29,550 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 15:50:29,551 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -169.1 MB). Peak memory consumption was 37.2 MB. Max. memory is 11.5 GB. [2018-11-18 15:50:29,551 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 15:50:29,551 INFO L168 Benchmark]: Boogie Preprocessor took 27.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:50:29,551 INFO L168 Benchmark]: RCFGBuilder took 611.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:50:29,551 INFO L168 Benchmark]: TraceAbstraction took 31994.58 ms. Allocated memory was 1.2 GB in the beginning and 3.3 GB in the end (delta: 2.1 GB). Free memory was 1.1 GB in the beginning and 3.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 2.0 GB. Max. memory is 11.5 GB. [2018-11-18 15:50:29,552 INFO L168 Benchmark]: Witness Printer took 87.39 ms. Allocated memory is still 3.3 GB. Free memory was 3.0 GB in the beginning and 2.9 GB in the end (delta: 46.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 11.5 GB. [2018-11-18 15:50:29,554 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 370.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -169.1 MB). Peak memory consumption was 37.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 611.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 31994.58 ms. Allocated memory was 1.2 GB in the beginning and 3.3 GB in the end (delta: 2.1 GB). Free memory was 1.1 GB in the beginning and 3.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 2.0 GB. Max. memory is 11.5 GB. * Witness Printer took 87.39 ms. Allocated memory is still 3.3 GB. Free memory was 3.0 GB in the beginning and 2.9 GB in the end (delta: 46.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 551]: 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: 567]: Loop Invariant Derived loop invariant: (((((((((((((((1 == waterLevel && methaneLevelCritical == 0) && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0) || ((((0 == methaneLevelCritical && waterLevel == 2) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || (((((0 == pumpRunning && waterLevel == 2) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((((1 <= switchedOnBeforeTS && 0 == pumpRunning) && 1 == waterLevel) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || (((systemActive == 0 && 0 == pumpRunning) && methaneLevelCritical == 1) && splverifierCounter == 0)) || (((((0 == pumpRunning && 1 == waterLevel) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(0 == \old(pumpRunning))) || ((((waterLevel == 2 && pumpRunning == 1) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || (((systemActive == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter == 0)) || (((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel == 2) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 33 procedures, 177 locations, 1 error locations. SAFE Result, 31.9s OverallTime, 14 OverallIterations, 5 TraceHistogramMax, 14.3s AutomataDifference, 0.0s DeadEndRemovalTime, 7.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3497 SDtfs, 3909 SDslu, 14516 SDs, 0 SdLazy, 8955 SolverSat, 1382 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.6s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 1394 GetRequests, 1173 SyntacticMatches, 18 SemanticMatches, 203 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1410 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3946occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 5.4s AbstIntTime, 3 AbstIntIterations, 1 AbstIntStrong, 0.9965799213550068 AbsIntWeakeningRatio, 0.7932960893854749 AbsIntAvgWeakeningVarsNumRemoved, 49.81005586592179 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 14 MinimizatonAttempts, 724 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 6869 PreInvPairs, 7117 NumberOfFragments, 5369 HoareAnnotationTreeSize, 6869 FomulaSimplifications, 16909 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 72 FomulaSimplificationsInter, 52537 FormulaSimplificationTreeSizeReductionInter, 5.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 2384 NumberOfCodeBlocks, 2384 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2867 ConstructedInterpolants, 0 QuantifiedInterpolants, 907844 SizeOfPredicates, 10 NumberOfNonLiveVariables, 2080 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 18 InterpolantComputations, 11 PerfectInterpolantSequences, 1111/1244 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...