./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product16_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d0ff99fb-0498-4ae4-8591-f2b8bf79c49c/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d0ff99fb-0498-4ae4-8591-f2b8bf79c49c/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d0ff99fb-0498-4ae4-8591-f2b8bf79c49c/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d0ff99fb-0498-4ae4-8591-f2b8bf79c49c/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product16_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d0ff99fb-0498-4ae4-8591-f2b8bf79c49c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d0ff99fb-0498-4ae4-8591-f2b8bf79c49c/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 d073e73520d645b8f7658ef35479d738282f57bd ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 00:23:59,886 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 00:23:59,887 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 00:23:59,894 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 00:23:59,894 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 00:23:59,895 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 00:23:59,895 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 00:23:59,897 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 00:23:59,898 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 00:23:59,898 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 00:23:59,899 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 00:23:59,899 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 00:23:59,900 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 00:23:59,900 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 00:23:59,901 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 00:23:59,902 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 00:23:59,902 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 00:23:59,903 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 00:23:59,905 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 00:23:59,906 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 00:23:59,906 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 00:23:59,907 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 00:23:59,909 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 00:23:59,909 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 00:23:59,909 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 00:23:59,909 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 00:23:59,910 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 00:23:59,911 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 00:23:59,911 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 00:23:59,912 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 00:23:59,912 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 00:23:59,913 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 00:23:59,913 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 00:23:59,913 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 00:23:59,913 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 00:23:59,914 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 00:23:59,914 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d0ff99fb-0498-4ae4-8591-f2b8bf79c49c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 00:23:59,923 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 00:23:59,924 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 00:23:59,924 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 00:23:59,924 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 00:23:59,925 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 00:23:59,925 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 00:23:59,925 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 00:23:59,925 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 00:23:59,925 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 00:23:59,925 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 00:23:59,925 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 00:23:59,925 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 00:23:59,925 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 00:23:59,926 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 00:23:59,926 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 00:23:59,926 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 00:23:59,926 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 00:23:59,926 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 00:23:59,926 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 00:23:59,926 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 00:23:59,926 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 00:23:59,926 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 00:23:59,926 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 00:23:59,926 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 00:23:59,927 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 00:23:59,927 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 00:23:59,927 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 00:23:59,927 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 00:23:59,927 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 00:23:59,927 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 00:23:59,927 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 00:23:59,927 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 00:23:59,927 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 00:23:59,927 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 00:23:59,928 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 00:23:59,928 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 00:23:59,928 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 00:23:59,928 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_d0ff99fb-0498-4ae4-8591-f2b8bf79c49c/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 -> d073e73520d645b8f7658ef35479d738282f57bd [2018-11-23 00:23:59,951 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 00:23:59,960 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 00:23:59,962 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 00:23:59,963 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 00:23:59,963 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 00:23:59,964 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d0ff99fb-0498-4ae4-8591-f2b8bf79c49c/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product16_true-unreach-call_false-termination.cil.c [2018-11-23 00:23:59,995 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d0ff99fb-0498-4ae4-8591-f2b8bf79c49c/bin-2019/utaipan/data/157d61c38/f3ce6bad443b4fcdb8d15c83f8a0d733/FLAG0d6a17b89 [2018-11-23 00:24:00,418 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 00:24:00,419 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d0ff99fb-0498-4ae4-8591-f2b8bf79c49c/sv-benchmarks/c/product-lines/minepump_spec2_product16_true-unreach-call_false-termination.cil.c [2018-11-23 00:24:00,425 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d0ff99fb-0498-4ae4-8591-f2b8bf79c49c/bin-2019/utaipan/data/157d61c38/f3ce6bad443b4fcdb8d15c83f8a0d733/FLAG0d6a17b89 [2018-11-23 00:24:00,433 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d0ff99fb-0498-4ae4-8591-f2b8bf79c49c/bin-2019/utaipan/data/157d61c38/f3ce6bad443b4fcdb8d15c83f8a0d733 [2018-11-23 00:24:00,435 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 00:24:00,436 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 00:24:00,437 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 00:24:00,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 00:24:00,439 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 00:24:00,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:24:00" (1/1) ... [2018-11-23 00:24:00,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44db1cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:00, skipping insertion in model container [2018-11-23 00:24:00,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:24:00" (1/1) ... [2018-11-23 00:24:00,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 00:24:00,477 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 00:24:00,660 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:24:00,723 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 00:24:00,776 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:24:00,797 INFO L195 MainTranslator]: Completed translation [2018-11-23 00:24:00,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:00 WrapperNode [2018-11-23 00:24:00,797 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 00:24:00,798 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 00:24:00,798 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 00:24:00,798 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 00:24:00,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:00" (1/1) ... [2018-11-23 00:24:00,813 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:00" (1/1) ... [2018-11-23 00:24:00,819 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 00:24:00,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 00:24:00,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 00:24:00,819 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 00:24:00,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:00" (1/1) ... [2018-11-23 00:24:00,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:00" (1/1) ... [2018-11-23 00:24:00,829 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:00" (1/1) ... [2018-11-23 00:24:00,829 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:00" (1/1) ... [2018-11-23 00:24:00,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:00" (1/1) ... [2018-11-23 00:24:00,839 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:00" (1/1) ... [2018-11-23 00:24:00,841 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:00" (1/1) ... [2018-11-23 00:24:00,843 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 00:24:00,844 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 00:24:00,844 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 00:24:00,844 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 00:24:00,845 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d0ff99fb-0498-4ae4-8591-f2b8bf79c49c/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 00:24:00,892 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 00:24:00,892 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 00:24:00,892 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 00:24:00,892 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 00:24:00,892 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-23 00:24:00,892 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-23 00:24:00,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 00:24:00,893 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 00:24:00,893 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 00:24:00,893 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 00:24:00,893 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 00:24:00,893 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 00:24:00,893 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 00:24:00,893 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-23 00:24:00,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-23 00:24:00,894 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-23 00:24:00,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-23 00:24:00,894 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 00:24:00,894 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 00:24:00,894 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 00:24:00,894 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 00:24:00,894 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 00:24:00,894 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 00:24:00,894 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 00:24:00,894 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 00:24:00,895 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 00:24:00,895 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 00:24:00,895 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 00:24:00,895 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 00:24:00,895 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 00:24:00,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 00:24:00,895 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 00:24:00,895 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 00:24:00,895 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 00:24:00,895 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 00:24:00,895 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 00:24:00,896 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 00:24:00,896 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 00:24:00,896 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 00:24:00,896 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 00:24:00,896 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 00:24:00,896 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 00:24:00,896 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 00:24:00,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 00:24:00,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 00:24:00,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 00:24:00,897 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 00:24:00,897 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 00:24:00,897 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 00:24:00,897 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 00:24:00,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 00:24:00,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 00:24:01,278 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 00:24:01,278 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 00:24:01,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:24:01 BoogieIcfgContainer [2018-11-23 00:24:01,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 00:24:01,280 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 00:24:01,280 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 00:24:01,282 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 00:24:01,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:24:00" (1/3) ... [2018-11-23 00:24:01,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6abf5335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:24:01, skipping insertion in model container [2018-11-23 00:24:01,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:00" (2/3) ... [2018-11-23 00:24:01,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6abf5335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:24:01, skipping insertion in model container [2018-11-23 00:24:01,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:24:01" (3/3) ... [2018-11-23 00:24:01,286 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product16_true-unreach-call_false-termination.cil.c [2018-11-23 00:24:01,292 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 00:24:01,301 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 00:24:01,310 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 00:24:01,332 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 00:24:01,333 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 00:24:01,333 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 00:24:01,333 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 00:24:01,333 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 00:24:01,333 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 00:24:01,333 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 00:24:01,333 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 00:24:01,347 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states. [2018-11-23 00:24:01,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 00:24:01,353 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:24:01,354 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:24:01,355 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:24:01,359 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:24:01,359 INFO L82 PathProgramCache]: Analyzing trace with hash -138843267, now seen corresponding path program 1 times [2018-11-23 00:24:01,360 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:24:01,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:24:01,390 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:24:01,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:24:01,390 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:24:01,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:24:01,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:24:01,542 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:24:01,542 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 00:24:01,542 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:24:01,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 00:24:01,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 00:24:01,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 00:24:01,555 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 2 states. [2018-11-23 00:24:01,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:24:01,582 INFO L93 Difference]: Finished difference Result 224 states and 281 transitions. [2018-11-23 00:24:01,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 00:24:01,583 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-23 00:24:01,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:24:01,593 INFO L225 Difference]: With dead ends: 224 [2018-11-23 00:24:01,593 INFO L226 Difference]: Without dead ends: 114 [2018-11-23 00:24:01,596 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 00:24:01,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-11-23 00:24:01,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-11-23 00:24:01,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-11-23 00:24:01,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 134 transitions. [2018-11-23 00:24:01,637 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 134 transitions. Word has length 51 [2018-11-23 00:24:01,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:24:01,638 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 134 transitions. [2018-11-23 00:24:01,638 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 00:24:01,638 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 134 transitions. [2018-11-23 00:24:01,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 00:24:01,640 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:24:01,641 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] [2018-11-23 00:24:01,641 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:24:01,641 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:24:01,641 INFO L82 PathProgramCache]: Analyzing trace with hash -1013394465, now seen corresponding path program 1 times [2018-11-23 00:24:01,641 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:24:01,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:24:01,642 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:24:01,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:24:01,643 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:24:01,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:24:01,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:24:01,723 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:24:01,723 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 00:24:01,723 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:24:01,725 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 00:24:01,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 00:24:01,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 00:24:01,725 INFO L87 Difference]: Start difference. First operand 114 states and 134 transitions. Second operand 3 states. [2018-11-23 00:24:01,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:24:01,741 INFO L93 Difference]: Finished difference Result 163 states and 191 transitions. [2018-11-23 00:24:01,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 00:24:01,742 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-23 00:24:01,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:24:01,743 INFO L225 Difference]: With dead ends: 163 [2018-11-23 00:24:01,743 INFO L226 Difference]: Without dead ends: 105 [2018-11-23 00:24:01,744 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 00:24:01,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-11-23 00:24:01,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-11-23 00:24:01,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-11-23 00:24:01,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 122 transitions. [2018-11-23 00:24:01,754 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 122 transitions. Word has length 52 [2018-11-23 00:24:01,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:24:01,754 INFO L480 AbstractCegarLoop]: Abstraction has 105 states and 122 transitions. [2018-11-23 00:24:01,754 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 00:24:01,755 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 122 transitions. [2018-11-23 00:24:01,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 00:24:01,756 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:24:01,756 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:24:01,756 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:24:01,756 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:24:01,756 INFO L82 PathProgramCache]: Analyzing trace with hash -1483490540, now seen corresponding path program 1 times [2018-11-23 00:24:01,757 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:24:01,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:24:01,757 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:24:01,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:24:01,757 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:24:01,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:24:01,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:24:01,858 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:24:01,858 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 00:24:01,858 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:24:01,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 00:24:01,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 00:24:01,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 00:24:01,859 INFO L87 Difference]: Start difference. First operand 105 states and 122 transitions. Second operand 7 states. [2018-11-23 00:24:02,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:24:02,234 INFO L93 Difference]: Finished difference Result 310 states and 380 transitions. [2018-11-23 00:24:02,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 00:24:02,235 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-23 00:24:02,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:24:02,237 INFO L225 Difference]: With dead ends: 310 [2018-11-23 00:24:02,237 INFO L226 Difference]: Without dead ends: 233 [2018-11-23 00:24:02,237 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 00:24:02,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2018-11-23 00:24:02,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 221. [2018-11-23 00:24:02,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-11-23 00:24:02,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 270 transitions. [2018-11-23 00:24:02,255 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 270 transitions. Word has length 57 [2018-11-23 00:24:02,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:24:02,256 INFO L480 AbstractCegarLoop]: Abstraction has 221 states and 270 transitions. [2018-11-23 00:24:02,256 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 00:24:02,256 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 270 transitions. [2018-11-23 00:24:02,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-23 00:24:02,257 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:24:02,257 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, 1] [2018-11-23 00:24:02,257 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:24:02,257 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:24:02,257 INFO L82 PathProgramCache]: Analyzing trace with hash 2003307559, now seen corresponding path program 1 times [2018-11-23 00:24:02,257 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:24:02,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:24:02,258 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:24:02,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:24:02,258 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:24:02,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:24:02,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:24:02,366 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:24:02,366 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 00:24:02,366 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:24:02,367 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 00:24:02,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 00:24:02,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 00:24:02,367 INFO L87 Difference]: Start difference. First operand 221 states and 270 transitions. Second operand 6 states. [2018-11-23 00:24:02,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:24:02,567 INFO L93 Difference]: Finished difference Result 589 states and 744 transitions. [2018-11-23 00:24:02,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 00:24:02,569 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-11-23 00:24:02,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:24:02,571 INFO L225 Difference]: With dead ends: 589 [2018-11-23 00:24:02,571 INFO L226 Difference]: Without dead ends: 396 [2018-11-23 00:24:02,572 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 00:24:02,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2018-11-23 00:24:02,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 390. [2018-11-23 00:24:02,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2018-11-23 00:24:02,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 480 transitions. [2018-11-23 00:24:02,608 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 480 transitions. Word has length 62 [2018-11-23 00:24:02,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:24:02,608 INFO L480 AbstractCegarLoop]: Abstraction has 390 states and 480 transitions. [2018-11-23 00:24:02,609 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 00:24:02,609 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 480 transitions. [2018-11-23 00:24:02,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-23 00:24:02,611 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:24:02,611 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, 1, 1, 1, 1, 1] [2018-11-23 00:24:02,612 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:24:02,612 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:24:02,612 INFO L82 PathProgramCache]: Analyzing trace with hash -1006260893, now seen corresponding path program 1 times [2018-11-23 00:24:02,612 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:24:02,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:24:02,613 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:24:02,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:24:02,613 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:24:02,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:24:02,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:24:02,762 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:24:02,763 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 00:24:02,763 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:24:02,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 00:24:02,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 00:24:02,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 00:24:02,764 INFO L87 Difference]: Start difference. First operand 390 states and 480 transitions. Second operand 7 states. [2018-11-23 00:24:02,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:24:02,997 INFO L93 Difference]: Finished difference Result 664 states and 841 transitions. [2018-11-23 00:24:02,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 00:24:02,998 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-11-23 00:24:02,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:24:02,999 INFO L225 Difference]: With dead ends: 664 [2018-11-23 00:24:02,999 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 00:24:03,001 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-23 00:24:03,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 00:24:03,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 00:24:03,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 00:24:03,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 00:24:03,002 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2018-11-23 00:24:03,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:24:03,003 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 00:24:03,003 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 00:24:03,003 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 00:24:03,003 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 00:24:03,007 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 00:24:03,733 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-23 00:24:03,733 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-23 00:24:03,733 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-23 00:24:03,733 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-23 00:24:03,733 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-23 00:24:03,733 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 616 638) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 00:24:03,733 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 616 638) no Hoare annotation was computed. [2018-11-23 00:24:03,733 INFO L444 ceAbstractionStarter]: At program point L628(line 628) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 00:24:03,734 INFO L444 ceAbstractionStarter]: At program point L628-1(line 628) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 00:24:03,734 INFO L448 ceAbstractionStarter]: For program point L626(lines 626 633) no Hoare annotation was computed. [2018-11-23 00:24:03,734 INFO L448 ceAbstractionStarter]: For program point L626-1(lines 626 633) no Hoare annotation was computed. [2018-11-23 00:24:03,734 INFO L448 ceAbstractionStarter]: For program point L624(line 624) no Hoare annotation was computed. [2018-11-23 00:24:03,734 INFO L444 ceAbstractionStarter]: At program point L623(line 623) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 00:24:03,734 INFO L444 ceAbstractionStarter]: At program point L622(line 622) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 00:24:03,734 INFO L444 ceAbstractionStarter]: At program point L622-1(line 622) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 00:24:03,734 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 616 638) no Hoare annotation was computed. [2018-11-23 00:24:03,734 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 673 679) no Hoare annotation was computed. [2018-11-23 00:24:03,734 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 673 679) the Hoare annotation is: true [2018-11-23 00:24:03,734 INFO L444 ceAbstractionStarter]: At program point L801(line 801) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-23 00:24:03,735 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 795 809) no Hoare annotation was computed. [2018-11-23 00:24:03,735 INFO L448 ceAbstractionStarter]: For program point L799(lines 799 805) no Hoare annotation was computed. [2018-11-23 00:24:03,735 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 795 809) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse0 (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))))) [2018-11-23 00:24:03,735 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 795 809) no Hoare annotation was computed. [2018-11-23 00:24:03,735 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 750 758) no Hoare annotation was computed. [2018-11-23 00:24:03,735 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 750 758) the Hoare annotation is: true [2018-11-23 00:24:03,735 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 750 758) no Hoare annotation was computed. [2018-11-23 00:24:03,735 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-23 00:24:03,735 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-23 00:24:03,735 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 605 615) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 00:24:03,735 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 605 615) no Hoare annotation was computed. [2018-11-23 00:24:03,736 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 605 615) no Hoare annotation was computed. [2018-11-23 00:24:03,736 INFO L444 ceAbstractionStarter]: At program point L610(line 610) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 00:24:03,736 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 739 749) the Hoare annotation is: true [2018-11-23 00:24:03,736 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 739 749) no Hoare annotation was computed. [2018-11-23 00:24:03,736 INFO L451 ceAbstractionStarter]: At program point L744(line 744) the Hoare annotation is: true [2018-11-23 00:24:03,736 INFO L448 ceAbstractionStarter]: For program point L744-1(line 744) no Hoare annotation was computed. [2018-11-23 00:24:03,736 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 739 749) no Hoare annotation was computed. [2018-11-23 00:24:03,736 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 731 738) the Hoare annotation is: true [2018-11-23 00:24:03,736 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 731 738) no Hoare annotation was computed. [2018-11-23 00:24:03,736 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 731 738) no Hoare annotation was computed. [2018-11-23 00:24:03,736 INFO L444 ceAbstractionStarter]: At program point L700(line 700) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 00:24:03,736 INFO L448 ceAbstractionStarter]: For program point L700-1(lines 681 705) no Hoare annotation was computed. [2018-11-23 00:24:03,737 INFO L444 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-23 00:24:03,737 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 681 705) no Hoare annotation was computed. [2018-11-23 00:24:03,737 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 681 705) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 00:24:03,737 INFO L444 ceAbstractionStarter]: At program point L691(line 691) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-23 00:24:03,737 INFO L448 ceAbstractionStarter]: For program point L689(lines 689 697) no Hoare annotation was computed. [2018-11-23 00:24:03,737 INFO L444 ceAbstractionStarter]: At program point L687(line 687) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-23 00:24:03,737 INFO L448 ceAbstractionStarter]: For program point L687-1(line 687) no Hoare annotation was computed. [2018-11-23 00:24:03,737 INFO L448 ceAbstractionStarter]: For program point L685(lines 685 702) no Hoare annotation was computed. [2018-11-23 00:24:03,737 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 819 886) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 00:24:03,737 INFO L448 ceAbstractionStarter]: For program point L830(lines 829 878) no Hoare annotation was computed. [2018-11-23 00:24:03,738 INFO L444 ceAbstractionStarter]: At program point L861(line 861) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= test_~splverifierCounter~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 00:24:03,738 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 874) no Hoare annotation was computed. [2018-11-23 00:24:03,738 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 819 886) no Hoare annotation was computed. [2018-11-23 00:24:03,738 INFO L444 ceAbstractionStarter]: At program point L851(line 851) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 00:24:03,738 INFO L448 ceAbstractionStarter]: For program point L849(lines 849 855) no Hoare annotation was computed. [2018-11-23 00:24:03,738 INFO L448 ceAbstractionStarter]: For program point L849-1(lines 849 855) no Hoare annotation was computed. [2018-11-23 00:24:03,738 INFO L444 ceAbstractionStarter]: At program point L876(lines 829 878) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 00:24:03,738 INFO L444 ceAbstractionStarter]: At program point L841(line 841) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 00:24:03,738 INFO L448 ceAbstractionStarter]: For program point L839(lines 839 845) no Hoare annotation was computed. [2018-11-23 00:24:03,738 INFO L448 ceAbstractionStarter]: For program point L839-1(lines 839 845) no Hoare annotation was computed. [2018-11-23 00:24:03,738 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 835) no Hoare annotation was computed. [2018-11-23 00:24:03,738 INFO L444 ceAbstractionStarter]: At program point L879(lines 828 880) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 00:24:03,739 INFO L444 ceAbstractionStarter]: At program point L869(line 869) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 00:24:03,739 INFO L448 ceAbstractionStarter]: For program point L867(lines 867 873) no Hoare annotation was computed. [2018-11-23 00:24:03,739 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 819 886) no Hoare annotation was computed. [2018-11-23 00:24:03,739 INFO L444 ceAbstractionStarter]: At program point L867-1(lines 859 874) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 00:24:03,739 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 897 925) the Hoare annotation is: true [2018-11-23 00:24:03,739 INFO L444 ceAbstractionStarter]: At program point L912(line 912) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-23 00:24:03,739 INFO L448 ceAbstractionStarter]: For program point L910(lines 910 916) no Hoare annotation was computed. [2018-11-23 00:24:03,739 INFO L448 ceAbstractionStarter]: For program point L909(lines 909 919) no Hoare annotation was computed. [2018-11-23 00:24:03,739 INFO L444 ceAbstractionStarter]: At program point L907(line 907) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-23 00:24:03,739 INFO L448 ceAbstractionStarter]: For program point L907-1(line 907) no Hoare annotation was computed. [2018-11-23 00:24:03,739 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 922) no Hoare annotation was computed. [2018-11-23 00:24:03,739 INFO L448 ceAbstractionStarter]: For program point L905-1(lines 897 925) no Hoare annotation was computed. [2018-11-23 00:24:03,740 INFO L451 ceAbstractionStarter]: At program point L903(line 903) the Hoare annotation is: true [2018-11-23 00:24:03,740 INFO L448 ceAbstractionStarter]: For program point L903-1(line 903) no Hoare annotation was computed. [2018-11-23 00:24:03,740 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 897 925) no Hoare annotation was computed. [2018-11-23 00:24:03,740 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 889 896) the Hoare annotation is: true [2018-11-23 00:24:03,740 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 889 896) no Hoare annotation was computed. [2018-11-23 00:24:03,740 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 889 896) no Hoare annotation was computed. [2018-11-23 00:24:03,740 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 00:24:03,740 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-23 00:24:03,740 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 00:24:03,740 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 485 496) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 ~methaneLevelCritical~0)) [2018-11-23 00:24:03,740 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 485 496) no Hoare annotation was computed. [2018-11-23 00:24:03,740 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 485 496) no Hoare annotation was computed. [2018-11-23 00:24:03,741 INFO L444 ceAbstractionStarter]: At program point L662(line 662) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 00:24:03,741 INFO L444 ceAbstractionStarter]: At program point L660(lines 660 666) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 00:24:03,741 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 649 672) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 00:24:03,741 INFO L444 ceAbstractionStarter]: At program point L655(line 655) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-23 00:24:03,741 INFO L448 ceAbstractionStarter]: For program point L653(lines 652 671) no Hoare annotation was computed. [2018-11-23 00:24:03,741 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 649 672) no Hoare annotation was computed. [2018-11-23 00:24:03,741 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 649 672) no Hoare annotation was computed. [2018-11-23 00:24:03,742 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 541 570) no Hoare annotation was computed. [2018-11-23 00:24:03,742 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 541 570) the Hoare annotation is: true [2018-11-23 00:24:03,742 INFO L451 ceAbstractionStarter]: At program point L566(lines 541 570) the Hoare annotation is: true [2018-11-23 00:24:03,742 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-23 00:24:03,742 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 559) no Hoare annotation was computed. [2018-11-23 00:24:03,742 INFO L451 ceAbstractionStarter]: At program point L555-1(lines 555 559) the Hoare annotation is: true [2018-11-23 00:24:03,742 INFO L448 ceAbstractionStarter]: For program point L552(line 552) no Hoare annotation was computed. [2018-11-23 00:24:03,742 INFO L451 ceAbstractionStarter]: At program point L551-2(lines 551 565) the Hoare annotation is: true [2018-11-23 00:24:03,742 INFO L451 ceAbstractionStarter]: At program point L547(line 547) the Hoare annotation is: true [2018-11-23 00:24:03,742 INFO L448 ceAbstractionStarter]: For program point L547-1(line 547) no Hoare annotation was computed. [2018-11-23 00:24:03,742 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 497 505) the Hoare annotation is: true [2018-11-23 00:24:03,742 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 497 505) no Hoare annotation was computed. [2018-11-23 00:24:03,742 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 497 505) no Hoare annotation was computed. [2018-11-23 00:24:03,743 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 461 472) no Hoare annotation was computed. [2018-11-23 00:24:03,743 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 461 472) the Hoare annotation is: true [2018-11-23 00:24:03,743 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 461 472) no Hoare annotation was computed. [2018-11-23 00:24:03,743 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 596 602) no Hoare annotation was computed. [2018-11-23 00:24:03,743 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 596 602) the Hoare annotation is: true [2018-11-23 00:24:03,743 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 00:24:03,743 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-23 00:24:03,743 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 00:24:03,743 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 00:24:03,743 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 810 817) no Hoare annotation was computed. [2018-11-23 00:24:03,743 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 810 817) the Hoare annotation is: true [2018-11-23 00:24:03,743 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 810 817) no Hoare annotation was computed. [2018-11-23 00:24:03,744 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 473 484) no Hoare annotation was computed. [2018-11-23 00:24:03,744 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 473 484) no Hoare annotation was computed. [2018-11-23 00:24:03,744 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 473 484) the Hoare annotation is: true [2018-11-23 00:24:03,744 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 444 451) no Hoare annotation was computed. [2018-11-23 00:24:03,744 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 448) no Hoare annotation was computed. [2018-11-23 00:24:03,744 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 444 451) the Hoare annotation is: true [2018-11-23 00:24:03,744 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 444 451) no Hoare annotation was computed. [2018-11-23 00:24:03,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:24:03 BoogieIcfgContainer [2018-11-23 00:24:03,762 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 00:24:03,762 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 00:24:03,762 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 00:24:03,762 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 00:24:03,763 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:24:01" (3/4) ... [2018-11-23 00:24:03,766 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 00:24:03,772 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 00:24:03,772 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 00:24:03,772 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 00:24:03,772 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-23 00:24:03,772 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-23 00:24:03,772 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 00:24:03,772 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 00:24:03,772 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 00:24:03,772 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 00:24:03,773 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 00:24:03,773 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 00:24:03,773 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 00:24:03,773 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-23 00:24:03,773 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-23 00:24:03,773 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 00:24:03,773 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 00:24:03,773 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 00:24:03,773 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 00:24:03,773 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 00:24:03,773 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 00:24:03,773 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 00:24:03,774 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 00:24:03,774 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 00:24:03,774 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 00:24:03,779 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-11-23 00:24:03,780 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 00:24:03,780 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 00:24:03,780 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 00:24:03,781 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 00:24:03,781 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 00:24:03,781 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 00:24:03,806 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 00:24:03,806 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 00:24:03,837 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d0ff99fb-0498-4ae4-8591-f2b8bf79c49c/bin-2019/utaipan/witness.graphml [2018-11-23 00:24:03,838 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 00:24:03,838 INFO L168 Benchmark]: Toolchain (without parser) took 3402.73 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 240.1 MB). Free memory was 953.9 MB in the beginning and 1.1 GB in the end (delta: -170.5 MB). Peak memory consumption was 69.7 MB. Max. memory is 11.5 GB. [2018-11-23 00:24:03,839 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:24:03,840 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 953.9 MB in the beginning and 1.1 GB in the end (delta: -179.8 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. [2018-11-23 00:24:03,840 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:24:03,840 INFO L168 Benchmark]: Boogie Preprocessor took 24.34 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: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-11-23 00:24:03,840 INFO L168 Benchmark]: RCFGBuilder took 435.30 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: 48.4 MB). Peak memory consumption was 48.4 MB. Max. memory is 11.5 GB. [2018-11-23 00:24:03,841 INFO L168 Benchmark]: TraceAbstraction took 2482.27 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 92.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -48.5 MB). Peak memory consumption was 296.5 MB. Max. memory is 11.5 GB. [2018-11-23 00:24:03,841 INFO L168 Benchmark]: Witness Printer took 75.53 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: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 11.5 GB. [2018-11-23 00:24:03,842 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 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 361.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 953.9 MB in the beginning and 1.1 GB in the end (delta: -179.8 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.85 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 24.34 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: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 435.30 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: 48.4 MB). Peak memory consumption was 48.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2482.27 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 92.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -48.5 MB). Peak memory consumption was 296.5 MB. Max. memory is 11.5 GB. * Witness Printer took 75.53 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: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 448]: 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: 828]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 127 locations, 1 error locations. SAFE Result, 2.4s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 635 SDtfs, 361 SDslu, 1206 SDs, 0 SdLazy, 432 SolverSat, 74 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=390occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 446 PreInvPairs, 493 NumberOfFragments, 523 HoareAnnotationTreeSize, 446 FomulaSimplifications, 443 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 55 FomulaSimplificationsInter, 1866 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 283 ConstructedInterpolants, 0 QuantifiedInterpolants, 30083 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...