./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product08_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c1252117-1900-4efe-bbd1-762aa2ced27b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c1252117-1900-4efe-bbd1-762aa2ced27b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c1252117-1900-4efe-bbd1-762aa2ced27b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c1252117-1900-4efe-bbd1-762aa2ced27b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product08_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c1252117-1900-4efe-bbd1-762aa2ced27b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c1252117-1900-4efe-bbd1-762aa2ced27b/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 f0335c6392c59c467837b14da92286fa43b99dfc .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 20:34:43,863 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 20:34:43,864 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 20:34:43,870 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 20:34:43,870 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 20:34:43,871 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 20:34:43,871 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 20:34:43,872 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 20:34:43,873 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 20:34:43,873 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 20:34:43,874 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 20:34:43,874 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 20:34:43,874 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 20:34:43,875 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 20:34:43,875 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 20:34:43,876 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 20:34:43,876 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 20:34:43,877 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 20:34:43,878 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 20:34:43,879 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 20:34:43,879 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 20:34:43,880 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 20:34:43,881 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 20:34:43,881 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 20:34:43,881 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 20:34:43,882 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 20:34:43,882 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 20:34:43,882 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 20:34:43,883 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 20:34:43,883 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 20:34:43,883 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 20:34:43,884 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 20:34:43,884 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 20:34:43,884 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 20:34:43,884 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 20:34:43,885 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 20:34:43,885 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c1252117-1900-4efe-bbd1-762aa2ced27b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 20:34:43,892 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 20:34:43,892 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 20:34:43,893 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 20:34:43,893 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 20:34:43,893 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 20:34:43,893 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 20:34:43,893 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 20:34:43,893 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 20:34:43,893 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 20:34:43,893 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 20:34:43,893 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 20:34:43,893 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 20:34:43,894 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 20:34:43,894 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 20:34:43,894 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 20:34:43,894 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 20:34:43,894 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 20:34:43,894 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 20:34:43,894 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 20:34:43,894 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 20:34:43,894 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 20:34:43,895 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 20:34:43,895 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 20:34:43,895 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 20:34:43,895 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 20:34:43,895 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 20:34:43,895 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 20:34:43,895 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 20:34:43,895 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 20:34:43,895 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 20:34:43,895 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 20:34:43,895 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 20:34:43,896 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 20:34:43,896 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 20:34:43,896 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 20:34:43,896 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 20:34:43,896 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_c1252117-1900-4efe-bbd1-762aa2ced27b/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 -> f0335c6392c59c467837b14da92286fa43b99dfc [2018-12-08 20:34:43,913 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 20:34:43,922 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 20:34:43,924 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 20:34:43,926 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 20:34:43,926 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 20:34:43,926 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c1252117-1900-4efe-bbd1-762aa2ced27b/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product08_true-unreach-call_false-termination.cil.c [2018-12-08 20:34:43,970 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c1252117-1900-4efe-bbd1-762aa2ced27b/bin-2019/utaipan/data/b1019fde8/c007609c422c4061acf4a231185e98cd/FLAGa806dd25d [2018-12-08 20:34:44,284 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 20:34:44,284 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c1252117-1900-4efe-bbd1-762aa2ced27b/sv-benchmarks/c/product-lines/minepump_spec4_product08_true-unreach-call_false-termination.cil.c [2018-12-08 20:34:44,291 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c1252117-1900-4efe-bbd1-762aa2ced27b/bin-2019/utaipan/data/b1019fde8/c007609c422c4061acf4a231185e98cd/FLAGa806dd25d [2018-12-08 20:34:44,300 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c1252117-1900-4efe-bbd1-762aa2ced27b/bin-2019/utaipan/data/b1019fde8/c007609c422c4061acf4a231185e98cd [2018-12-08 20:34:44,302 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 20:34:44,303 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 20:34:44,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 20:34:44,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 20:34:44,305 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 20:34:44,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:34:44" (1/1) ... [2018-12-08 20:34:44,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d622ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:34:44, skipping insertion in model container [2018-12-08 20:34:44,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:34:44" (1/1) ... [2018-12-08 20:34:44,312 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 20:34:44,333 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 20:34:44,475 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 20:34:44,524 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 20:34:44,575 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 20:34:44,590 INFO L195 MainTranslator]: Completed translation [2018-12-08 20:34:44,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:34:44 WrapperNode [2018-12-08 20:34:44,591 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 20:34:44,591 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 20:34:44,591 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 20:34:44,591 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 20:34:44,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:34:44" (1/1) ... [2018-12-08 20:34:44,604 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:34:44" (1/1) ... [2018-12-08 20:34:44,609 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 20:34:44,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 20:34:44,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 20:34:44,610 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 20:34:44,615 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:34:44" (1/1) ... [2018-12-08 20:34:44,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:34:44" (1/1) ... [2018-12-08 20:34:44,617 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:34:44" (1/1) ... [2018-12-08 20:34:44,617 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:34:44" (1/1) ... [2018-12-08 20:34:44,623 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:34:44" (1/1) ... [2018-12-08 20:34:44,626 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:34:44" (1/1) ... [2018-12-08 20:34:44,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:34:44" (1/1) ... [2018-12-08 20:34:44,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 20:34:44,629 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 20:34:44,629 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 20:34:44,629 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 20:34:44,630 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:34:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c1252117-1900-4efe-bbd1-762aa2ced27b/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 20:34:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 20:34:44,660 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 20:34:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-12-08 20:34:44,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-12-08 20:34:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 20:34:44,660 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 20:34:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-08 20:34:44,660 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-08 20:34:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 20:34:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 20:34:44,661 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 20:34:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 20:34:44,661 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 20:34:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 20:34:44,661 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 20:34:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 20:34:44,661 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 20:34:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-08 20:34:44,661 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-08 20:34:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 20:34:44,661 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 20:34:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 20:34:44,661 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 20:34:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 20:34:44,662 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 20:34:44,662 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 20:34:44,662 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 20:34:44,662 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-08 20:34:44,662 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-08 20:34:44,662 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 20:34:44,662 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 20:34:44,662 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 20:34:44,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 20:34:44,662 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 20:34:44,662 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 20:34:44,662 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 20:34:44,662 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 20:34:44,662 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 20:34:44,662 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 20:34:44,663 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 20:34:44,663 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 20:34:44,663 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 20:34:44,663 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 20:34:44,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 20:34:44,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 20:34:44,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 20:34:44,663 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 20:34:44,663 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 20:34:44,663 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 20:34:44,663 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 20:34:44,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 20:34:44,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 20:34:44,901 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 20:34:44,901 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 20:34:44,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:34:44 BoogieIcfgContainer [2018-12-08 20:34:44,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 20:34:44,902 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 20:34:44,902 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 20:34:44,904 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 20:34:44,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 08:34:44" (1/3) ... [2018-12-08 20:34:44,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@708464c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 08:34:44, skipping insertion in model container [2018-12-08 20:34:44,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:34:44" (2/3) ... [2018-12-08 20:34:44,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@708464c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 08:34:44, skipping insertion in model container [2018-12-08 20:34:44,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:34:44" (3/3) ... [2018-12-08 20:34:44,906 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product08_true-unreach-call_false-termination.cil.c [2018-12-08 20:34:44,912 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 20:34:44,916 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 20:34:44,926 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 20:34:44,945 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 20:34:44,945 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 20:34:44,945 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 20:34:44,945 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 20:34:44,945 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 20:34:44,945 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 20:34:44,945 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 20:34:44,945 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 20:34:44,957 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2018-12-08 20:34:44,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 20:34:44,962 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:34:44,963 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:34:44,964 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:34:44,967 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:34:44,968 INFO L82 PathProgramCache]: Analyzing trace with hash -1822812246, now seen corresponding path program 1 times [2018-12-08 20:34:44,969 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:34:44,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:34:44,998 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:34:44,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:34:44,998 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:34:45,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:45,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:34:45,107 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 20:34:45,107 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 20:34:45,108 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 20:34:45,111 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 20:34:45,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 20:34:45,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 20:34:45,120 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 2 states. [2018-12-08 20:34:45,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:34:45,140 INFO L93 Difference]: Finished difference Result 224 states and 277 transitions. [2018-12-08 20:34:45,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 20:34:45,141 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-08 20:34:45,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:34:45,148 INFO L225 Difference]: With dead ends: 224 [2018-12-08 20:34:45,148 INFO L226 Difference]: Without dead ends: 112 [2018-12-08 20:34:45,150 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 20:34:45,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-12-08 20:34:45,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2018-12-08 20:34:45,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-12-08 20:34:45,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 130 transitions. [2018-12-08 20:34:45,179 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 130 transitions. Word has length 46 [2018-12-08 20:34:45,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:34:45,179 INFO L480 AbstractCegarLoop]: Abstraction has 112 states and 130 transitions. [2018-12-08 20:34:45,179 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 20:34:45,179 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 130 transitions. [2018-12-08 20:34:45,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 20:34:45,181 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:34:45,181 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:34:45,181 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:34:45,182 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:34:45,182 INFO L82 PathProgramCache]: Analyzing trace with hash -1482517432, now seen corresponding path program 1 times [2018-12-08 20:34:45,182 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:34:45,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:34:45,183 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:34:45,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:34:45,183 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:34:45,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:45,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:34:45,234 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 20:34:45,234 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 20:34:45,234 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 20:34:45,235 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 20:34:45,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 20:34:45,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 20:34:45,236 INFO L87 Difference]: Start difference. First operand 112 states and 130 transitions. Second operand 3 states. [2018-12-08 20:34:45,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:34:45,249 INFO L93 Difference]: Finished difference Result 163 states and 187 transitions. [2018-12-08 20:34:45,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 20:34:45,250 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-08 20:34:45,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:34:45,251 INFO L225 Difference]: With dead ends: 163 [2018-12-08 20:34:45,251 INFO L226 Difference]: Without dead ends: 103 [2018-12-08 20:34:45,252 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 20:34:45,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-12-08 20:34:45,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2018-12-08 20:34:45,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-12-08 20:34:45,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 118 transitions. [2018-12-08 20:34:45,258 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 118 transitions. Word has length 47 [2018-12-08 20:34:45,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:34:45,258 INFO L480 AbstractCegarLoop]: Abstraction has 103 states and 118 transitions. [2018-12-08 20:34:45,259 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 20:34:45,259 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 118 transitions. [2018-12-08 20:34:45,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 20:34:45,259 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:34:45,259 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:34:45,260 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:34:45,260 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:34:45,260 INFO L82 PathProgramCache]: Analyzing trace with hash -1864118635, now seen corresponding path program 1 times [2018-12-08 20:34:45,260 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:34:45,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:34:45,260 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:34:45,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:34:45,261 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:34:45,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:45,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:34:45,321 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 20:34:45,321 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 20:34:45,321 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 20:34:45,322 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 20:34:45,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 20:34:45,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 20:34:45,322 INFO L87 Difference]: Start difference. First operand 103 states and 118 transitions. Second operand 7 states. [2018-12-08 20:34:45,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:34:45,541 INFO L93 Difference]: Finished difference Result 311 states and 374 transitions. [2018-12-08 20:34:45,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 20:34:45,542 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-08 20:34:45,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:34:45,543 INFO L225 Difference]: With dead ends: 311 [2018-12-08 20:34:45,543 INFO L226 Difference]: Without dead ends: 232 [2018-12-08 20:34:45,544 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 20:34:45,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2018-12-08 20:34:45,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 220. [2018-12-08 20:34:45,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2018-12-08 20:34:45,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 264 transitions. [2018-12-08 20:34:45,561 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 264 transitions. Word has length 52 [2018-12-08 20:34:45,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:34:45,562 INFO L480 AbstractCegarLoop]: Abstraction has 220 states and 264 transitions. [2018-12-08 20:34:45,562 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 20:34:45,562 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 264 transitions. [2018-12-08 20:34:45,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-08 20:34:45,563 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:34:45,563 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:34:45,563 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:34:45,563 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:34:45,563 INFO L82 PathProgramCache]: Analyzing trace with hash -733382068, now seen corresponding path program 1 times [2018-12-08 20:34:45,564 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:34:45,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:34:45,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:34:45,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:34:45,564 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:34:45,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:45,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:34:45,656 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 20:34:45,656 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-08 20:34:45,656 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 20:34:45,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 20:34:45,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 20:34:45,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-08 20:34:45,657 INFO L87 Difference]: Start difference. First operand 220 states and 264 transitions. Second operand 10 states. [2018-12-08 20:34:45,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:34:45,908 INFO L93 Difference]: Finished difference Result 760 states and 975 transitions. [2018-12-08 20:34:45,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-08 20:34:45,908 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2018-12-08 20:34:45,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:34:45,911 INFO L225 Difference]: With dead ends: 760 [2018-12-08 20:34:45,911 INFO L226 Difference]: Without dead ends: 564 [2018-12-08 20:34:45,912 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-12-08 20:34:45,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2018-12-08 20:34:45,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 552. [2018-12-08 20:34:45,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 552 states. [2018-12-08 20:34:45,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 682 transitions. [2018-12-08 20:34:45,944 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 682 transitions. Word has length 57 [2018-12-08 20:34:45,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:34:45,944 INFO L480 AbstractCegarLoop]: Abstraction has 552 states and 682 transitions. [2018-12-08 20:34:45,944 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 20:34:45,944 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 682 transitions. [2018-12-08 20:34:45,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-08 20:34:45,946 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:34:45,946 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:34:45,946 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:34:45,946 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:34:45,946 INFO L82 PathProgramCache]: Analyzing trace with hash 717063602, now seen corresponding path program 1 times [2018-12-08 20:34:45,946 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:34:45,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:34:45,947 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:34:45,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:34:45,947 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:34:45,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:45,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:34:45,982 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 20:34:45,982 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 20:34:45,982 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 20:34:45,982 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 20:34:45,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 20:34:45,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 20:34:45,982 INFO L87 Difference]: Start difference. First operand 552 states and 682 transitions. Second operand 4 states. [2018-12-08 20:34:46,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:34:46,061 INFO L93 Difference]: Finished difference Result 936 states and 1192 transitions. [2018-12-08 20:34:46,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 20:34:46,061 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2018-12-08 20:34:46,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:34:46,063 INFO L225 Difference]: With dead ends: 936 [2018-12-08 20:34:46,063 INFO L226 Difference]: Without dead ends: 408 [2018-12-08 20:34:46,065 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 20:34:46,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2018-12-08 20:34:46,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 396. [2018-12-08 20:34:46,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2018-12-08 20:34:46,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 458 transitions. [2018-12-08 20:34:46,083 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 458 transitions. Word has length 61 [2018-12-08 20:34:46,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:34:46,083 INFO L480 AbstractCegarLoop]: Abstraction has 396 states and 458 transitions. [2018-12-08 20:34:46,083 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 20:34:46,083 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 458 transitions. [2018-12-08 20:34:46,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-08 20:34:46,085 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:34:46,085 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-08 20:34:46,085 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:34:46,086 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:34:46,086 INFO L82 PathProgramCache]: Analyzing trace with hash -904193571, now seen corresponding path program 1 times [2018-12-08 20:34:46,086 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:34:46,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:34:46,086 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:34:46,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:34:46,087 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:34:46,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:46,159 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-08 20:34:46,159 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:34:46,159 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:34:46,160 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 90 with the following transitions: [2018-12-08 20:34:46,161 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [42], [44], [45], [46], [47], [48], [77], [86], [90], [94], [97], [102], [108], [110], [116], [119], [122], [130], [131], [132], [133], [146], [153], [156], [192], [200], [204], [205], [208], [209], [210], [211], [212], [214], [215], [216], [217], [218], [219], [220], [221], [222], [226], [238], [239], [244], [245], [246], [247], [254], [255], [260], [261], [262] [2018-12-08 20:34:46,186 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:34:46,187 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:34:46,611 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 20:34:46,612 INFO L272 AbstractInterpreter]: Visited 65 different actions 139 times. Merged at 13 different actions 19 times. Never widened. Performed 4981 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4981 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 2 different actions. Largest state had 133 variables. [2018-12-08 20:34:46,617 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:34:46,617 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 20:34:46,816 INFO L227 lantSequenceWeakener]: Weakened 85 states. On average, predicates are now at 98.34% of their original sizes. [2018-12-08 20:34:46,817 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 20:34:46,880 INFO L418 sIntCurrentIteration]: We unified 88 AI predicates to 88 [2018-12-08 20:34:46,880 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 20:34:46,881 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 20:34:46,881 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [7] total 19 [2018-12-08 20:34:46,881 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 20:34:46,882 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-08 20:34:46,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-08 20:34:46,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2018-12-08 20:34:46,883 INFO L87 Difference]: Start difference. First operand 396 states and 458 transitions. Second operand 14 states. [2018-12-08 20:34:48,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:34:48,208 INFO L93 Difference]: Finished difference Result 705 states and 827 transitions. [2018-12-08 20:34:48,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-12-08 20:34:48,208 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 89 [2018-12-08 20:34:48,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:34:48,209 INFO L225 Difference]: With dead ends: 705 [2018-12-08 20:34:48,209 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 20:34:48,210 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 98 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=445, Unknown=0, NotChecked=0, Total=552 [2018-12-08 20:34:48,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 20:34:48,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 20:34:48,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 20:34:48,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 20:34:48,211 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2018-12-08 20:34:48,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:34:48,211 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 20:34:48,212 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-08 20:34:48,212 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 20:34:48,212 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 20:34:48,215 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 20:34:48,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:34:48,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:34:48,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:34:48,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:34:49,092 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 147 153) the Hoare annotation is: true [2018-12-08 20:34:49,092 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 147 153) no Hoare annotation was computed. [2018-12-08 20:34:49,092 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 154 162) no Hoare annotation was computed. [2018-12-08 20:34:49,092 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 154 162) the Hoare annotation is: true [2018-12-08 20:34:49,092 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 154 162) no Hoare annotation was computed. [2018-12-08 20:34:49,093 INFO L444 ceAbstractionStarter]: At program point L641(line 641) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~waterLevel~0 0))) (and (or .cse0 .cse1 (not (= ~systemActive~0 1))) (or .cse0 (not (= ~systemActive~0 0)) .cse1))) [2018-12-08 20:34:49,093 INFO L448 ceAbstractionStarter]: For program point L641-1(line 641) no Hoare annotation was computed. [2018-12-08 20:34:49,093 INFO L448 ceAbstractionStarter]: For program point L639(lines 639 652) no Hoare annotation was computed. [2018-12-08 20:34:49,093 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 631 655) the Hoare annotation is: true [2018-12-08 20:34:49,093 INFO L448 ceAbstractionStarter]: For program point L639-1(lines 631 655) no Hoare annotation was computed. [2018-12-08 20:34:49,093 INFO L451 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: true [2018-12-08 20:34:49,093 INFO L448 ceAbstractionStarter]: For program point L637-1(line 637) no Hoare annotation was computed. [2018-12-08 20:34:49,093 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 631 655) no Hoare annotation was computed. [2018-12-08 20:34:49,093 INFO L444 ceAbstractionStarter]: At program point L645(line 645) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= ~systemActive~0 1))) (or .cse0 (not (= ~systemActive~0 0))))) [2018-12-08 20:34:49,093 INFO L448 ceAbstractionStarter]: For program point L643(lines 643 649) no Hoare annotation was computed. [2018-12-08 20:34:49,093 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 239 261) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 20:34:49,093 INFO L444 ceAbstractionStarter]: At program point L251(line 251) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= main_~tmp~0 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 20:34:49,093 INFO L444 ceAbstractionStarter]: At program point L251-1(line 251) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= main_~tmp~0 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 20:34:49,093 INFO L448 ceAbstractionStarter]: For program point L249(lines 249 256) no Hoare annotation was computed. [2018-12-08 20:34:49,093 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 239 261) no Hoare annotation was computed. [2018-12-08 20:34:49,093 INFO L448 ceAbstractionStarter]: For program point L249-1(lines 249 256) no Hoare annotation was computed. [2018-12-08 20:34:49,094 INFO L448 ceAbstractionStarter]: For program point L247(line 247) no Hoare annotation was computed. [2018-12-08 20:34:49,094 INFO L444 ceAbstractionStarter]: At program point L246(line 246) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 20:34:49,094 INFO L444 ceAbstractionStarter]: At program point L245(line 245) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 20:34:49,094 INFO L444 ceAbstractionStarter]: At program point L245-1(line 245) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 20:34:49,094 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 239 261) no Hoare annotation was computed. [2018-12-08 20:34:49,094 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 793 807) no Hoare annotation was computed. [2018-12-08 20:34:49,094 INFO L444 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-12-08 20:34:49,094 INFO L448 ceAbstractionStarter]: For program point L797(lines 797 803) no Hoare annotation was computed. [2018-12-08 20:34:49,094 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 793 807) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (= |old(~systemActive~0)| 0)) .cse0 (= ~systemActive~0 0)) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-12-08 20:34:49,094 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 793 807) no Hoare annotation was computed. [2018-12-08 20:34:49,094 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 748 756) no Hoare annotation was computed. [2018-12-08 20:34:49,094 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 748 756) the Hoare annotation is: true [2018-12-08 20:34:49,094 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 748 756) no Hoare annotation was computed. [2018-12-08 20:34:49,094 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 140 146) no Hoare annotation was computed. [2018-12-08 20:34:49,094 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 140 146) the Hoare annotation is: true [2018-12-08 20:34:49,094 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 229 238) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 20:34:49,094 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 229 238) no Hoare annotation was computed. [2018-12-08 20:34:49,094 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 229 238) no Hoare annotation was computed. [2018-12-08 20:34:49,094 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 737 747) the Hoare annotation is: true [2018-12-08 20:34:49,095 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 737 747) no Hoare annotation was computed. [2018-12-08 20:34:49,095 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 737 747) no Hoare annotation was computed. [2018-12-08 20:34:49,095 INFO L451 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2018-12-08 20:34:49,095 INFO L448 ceAbstractionStarter]: For program point L742-1(line 742) no Hoare annotation was computed. [2018-12-08 20:34:49,095 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 729 736) the Hoare annotation is: true [2018-12-08 20:34:49,095 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 729 736) no Hoare annotation was computed. [2018-12-08 20:34:49,095 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 729 736) no Hoare annotation was computed. [2018-12-08 20:34:49,095 INFO L448 ceAbstractionStarter]: For program point L704(lines 704 712) no Hoare annotation was computed. [2018-12-08 20:34:49,095 INFO L444 ceAbstractionStarter]: At program point L702(line 702) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-08 20:34:49,095 INFO L448 ceAbstractionStarter]: For program point L702-1(line 702) no Hoare annotation was computed. [2018-12-08 20:34:49,095 INFO L448 ceAbstractionStarter]: For program point L700(lines 700 717) no Hoare annotation was computed. [2018-12-08 20:34:49,095 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 696 720) no Hoare annotation was computed. [2018-12-08 20:34:49,095 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 696 720) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-08 20:34:49,095 INFO L444 ceAbstractionStarter]: At program point L715(line 715) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-08 20:34:49,095 INFO L448 ceAbstractionStarter]: For program point L715-1(lines 696 720) no Hoare annotation was computed. [2018-12-08 20:34:49,095 INFO L444 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-08 20:34:49,095 INFO L444 ceAbstractionStarter]: At program point L706(line 706) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-08 20:34:49,095 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 688 694) no Hoare annotation was computed. [2018-12-08 20:34:49,095 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 688 694) the Hoare annotation is: true [2018-12-08 20:34:49,095 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 871) no Hoare annotation was computed. [2018-12-08 20:34:49,096 INFO L444 ceAbstractionStarter]: At program point L865-1(lines 857 872) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 1) .cse0 .cse1) (and (= ~systemActive~0 0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-12-08 20:34:49,096 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 817 884) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 20:34:49,096 INFO L448 ceAbstractionStarter]: For program point L828(lines 827 876) no Hoare annotation was computed. [2018-12-08 20:34:49,096 INFO L444 ceAbstractionStarter]: At program point L859(line 859) the Hoare annotation is: (or (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 20:34:49,096 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 872) no Hoare annotation was computed. [2018-12-08 20:34:49,096 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 817 884) no Hoare annotation was computed. [2018-12-08 20:34:49,096 INFO L444 ceAbstractionStarter]: At program point L849(line 849) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 1) .cse0 .cse1) (and (= ~systemActive~0 0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-12-08 20:34:49,096 INFO L448 ceAbstractionStarter]: For program point L847(lines 847 853) no Hoare annotation was computed. [2018-12-08 20:34:49,096 INFO L448 ceAbstractionStarter]: For program point L847-1(lines 847 853) no Hoare annotation was computed. [2018-12-08 20:34:49,096 INFO L444 ceAbstractionStarter]: At program point L874(lines 827 876) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 1) .cse0 .cse1) (and (= ~systemActive~0 0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-12-08 20:34:49,096 INFO L444 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (and (= ~systemActive~0 0) .cse0 .cse1) (and (= ~systemActive~0 1) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-12-08 20:34:49,096 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 843) no Hoare annotation was computed. [2018-12-08 20:34:49,096 INFO L448 ceAbstractionStarter]: For program point L837-1(lines 837 843) no Hoare annotation was computed. [2018-12-08 20:34:49,096 INFO L448 ceAbstractionStarter]: For program point L829(lines 829 833) no Hoare annotation was computed. [2018-12-08 20:34:49,096 INFO L444 ceAbstractionStarter]: At program point L877(lines 826 878) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 20:34:49,096 INFO L444 ceAbstractionStarter]: At program point L867(line 867) the Hoare annotation is: (or (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 20:34:49,096 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 817 884) no Hoare annotation was computed. [2018-12-08 20:34:49,097 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 20:34:49,097 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-08 20:34:49,097 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 20:34:49,097 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 116 124) the Hoare annotation is: true [2018-12-08 20:34:49,097 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2018-12-08 20:34:49,097 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2018-12-08 20:34:49,097 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: true [2018-12-08 20:34:49,097 INFO L448 ceAbstractionStarter]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2018-12-08 20:34:49,097 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2018-12-08 20:34:49,097 INFO L444 ceAbstractionStarter]: At program point L670(line 670) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~systemActive~0 1))) (or .cse0 (not (= ~systemActive~0 0))))) [2018-12-08 20:34:49,097 INFO L448 ceAbstractionStarter]: For program point L668(lines 667 686) no Hoare annotation was computed. [2018-12-08 20:34:49,097 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 664 687) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= ~waterLevel~0 0))) (.cse7 (= |old(~waterLevel~0)| 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 0))) (.cse1 (= ~waterLevel~0 1)) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2) (or .cse0 .cse5 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse6 .cse0 .cse7 .cse2) (or .cse0 .cse5 .cse1 .cse3))) [2018-12-08 20:34:49,097 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 664 687) no Hoare annotation was computed. [2018-12-08 20:34:49,097 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 664 687) no Hoare annotation was computed. [2018-12-08 20:34:49,097 INFO L444 ceAbstractionStarter]: At program point L677(line 677) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= ~waterLevel~0 1) .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1) (or .cse0 (not (= ~systemActive~0 0))) (or (not (= ~waterLevel~0 0)) .cse0 (= |old(~waterLevel~0)| 0) .cse1))) [2018-12-08 20:34:49,097 INFO L444 ceAbstractionStarter]: At program point L675(lines 675 681) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= ~waterLevel~0 0))) (.cse7 (= |old(~waterLevel~0)| 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 0))) (.cse1 (= ~waterLevel~0 1)) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2) (or .cse0 .cse5 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse6 .cse0 .cse7 .cse2) (or .cse0 .cse5 .cse1 .cse3))) [2018-12-08 20:34:49,097 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 166 195) no Hoare annotation was computed. [2018-12-08 20:34:49,098 INFO L451 ceAbstractionStarter]: At program point L191(lines 166 195) the Hoare annotation is: true [2018-12-08 20:34:49,098 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 166 195) the Hoare annotation is: true [2018-12-08 20:34:49,098 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-08 20:34:49,098 INFO L448 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2018-12-08 20:34:49,098 INFO L451 ceAbstractionStarter]: At program point L180-1(lines 180 184) the Hoare annotation is: true [2018-12-08 20:34:49,098 INFO L448 ceAbstractionStarter]: For program point L177(line 177) no Hoare annotation was computed. [2018-12-08 20:34:49,098 INFO L451 ceAbstractionStarter]: At program point L176-2(lines 176 190) the Hoare annotation is: true [2018-12-08 20:34:49,098 INFO L451 ceAbstractionStarter]: At program point L172(line 172) the Hoare annotation is: true [2018-12-08 20:34:49,098 INFO L448 ceAbstractionStarter]: For program point L172-1(line 172) no Hoare annotation was computed. [2018-12-08 20:34:49,098 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2018-12-08 20:34:49,098 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2018-12-08 20:34:49,098 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2018-12-08 20:34:49,098 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2018-12-08 20:34:49,098 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2018-12-08 20:34:49,098 INFO L448 ceAbstractionStarter]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2018-12-08 20:34:49,098 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 221 227) no Hoare annotation was computed. [2018-12-08 20:34:49,098 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 221 227) the Hoare annotation is: true [2018-12-08 20:34:49,098 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 20:34:49,098 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-08 20:34:49,098 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 20:34:49,098 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 20:34:49,098 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 808 815) no Hoare annotation was computed. [2018-12-08 20:34:49,099 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 808 815) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 0)) (= ~systemActive~0 0)) [2018-12-08 20:34:49,099 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 808 815) no Hoare annotation was computed. [2018-12-08 20:34:49,099 INFO L448 ceAbstractionStarter]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2018-12-08 20:34:49,099 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2018-12-08 20:34:49,099 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= ~waterLevel~0 1)) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or (or .cse0 (= |old(~waterLevel~0)| 0)) .cse1 (not (= ~waterLevel~0 0))) (or .cse0 .cse2 .cse1 .cse3) (or .cse0 (not (= ~systemActive~0 0)) .cse2 .cse3))) [2018-12-08 20:34:49,099 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 886 893) no Hoare annotation was computed. [2018-12-08 20:34:49,099 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 890) no Hoare annotation was computed. [2018-12-08 20:34:49,099 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 886 893) the Hoare annotation is: true [2018-12-08 20:34:49,099 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 886 893) no Hoare annotation was computed. [2018-12-08 20:34:49,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 08:34:49 BoogieIcfgContainer [2018-12-08 20:34:49,106 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 20:34:49,106 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 20:34:49,106 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 20:34:49,106 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 20:34:49,106 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:34:44" (3/4) ... [2018-12-08 20:34:49,109 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 20:34:49,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 20:34:49,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 20:34:49,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-12-08 20:34:49,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 20:34:49,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-08 20:34:49,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 20:34:49,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 20:34:49,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 20:34:49,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 20:34:49,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 20:34:49,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 20:34:49,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 20:34:49,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 20:34:49,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 20:34:49,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-08 20:34:49,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 20:34:49,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 20:34:49,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 20:34:49,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 20:34:49,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 20:34:49,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 20:34:49,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-08 20:34:49,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 20:34:49,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 20:34:49,117 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-12-08 20:34:49,117 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-08 20:34:49,117 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-08 20:34:49,117 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 20:34:49,117 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 20:34:49,117 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 20:34:49,133 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || ((systemActive == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || ((systemActive == 0 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-12-08 20:34:49,133 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-12-08 20:34:49,153 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c1252117-1900-4efe-bbd1-762aa2ced27b/bin-2019/utaipan/witness.graphml [2018-12-08 20:34:49,153 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 20:34:49,154 INFO L168 Benchmark]: Toolchain (without parser) took 4851.61 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 287.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -171.9 MB). Peak memory consumption was 115.4 MB. Max. memory is 11.5 GB. [2018-12-08 20:34:49,154 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 20:34:49,154 INFO L168 Benchmark]: CACSL2BoogieTranslator took 287.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -158.0 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-08 20:34:49,155 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.40 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. [2018-12-08 20:34:49,155 INFO L168 Benchmark]: Boogie Preprocessor took 19.47 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. [2018-12-08 20:34:49,155 INFO L168 Benchmark]: RCFGBuilder took 272.09 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: 41.4 MB). Peak memory consumption was 41.4 MB. Max. memory is 11.5 GB. [2018-12-08 20:34:49,155 INFO L168 Benchmark]: TraceAbstraction took 4203.99 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 159.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -72.3 MB). Peak memory consumption was 433.1 MB. Max. memory is 11.5 GB. [2018-12-08 20:34:49,155 INFO L168 Benchmark]: Witness Printer took 47.25 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2018-12-08 20:34:49,156 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 287.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -158.0 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.40 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.47 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 272.09 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: 41.4 MB). Peak memory consumption was 41.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4203.99 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 159.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -72.3 MB). Peak memory consumption was 433.1 MB. Max. memory is 11.5 GB. * Witness Printer took 47.25 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 890]: 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: 826]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || ((systemActive == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || ((systemActive == 0 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 125 locations, 1 error locations. SAFE Result, 4.1s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 744 SDtfs, 748 SDslu, 2063 SDs, 0 SdLazy, 528 SolverSat, 236 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 150 GetRequests, 98 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=552occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.4s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9965184697818028 AbsIntWeakeningRatio, 1.0795454545454546 AbsIntAvgWeakeningVarsNumRemoved, 85.9090909090909 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 36 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 669 PreInvPairs, 721 NumberOfFragments, 843 HoareAnnotationTreeSize, 669 FomulaSimplifications, 1830 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 54 FomulaSimplificationsInter, 3257 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 352 NumberOfCodeBlocks, 352 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 346 ConstructedInterpolants, 0 QuantifiedInterpolants, 43640 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 21/24 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...