./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product06_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_a5739836-dd71-4c7e-b0d6-ede58b9b68af/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a5739836-dd71-4c7e-b0d6-ede58b9b68af/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a5739836-dd71-4c7e-b0d6-ede58b9b68af/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a5739836-dd71-4c7e-b0d6-ede58b9b68af/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product06_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a5739836-dd71-4c7e-b0d6-ede58b9b68af/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a5739836-dd71-4c7e-b0d6-ede58b9b68af/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 2ad80e2d7767134fb761a45d54a404219df99a16 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 02:07:32,896 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 02:07:32,897 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 02:07:32,904 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 02:07:32,905 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 02:07:32,905 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 02:07:32,906 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 02:07:32,907 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 02:07:32,908 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 02:07:32,909 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 02:07:32,909 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 02:07:32,909 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 02:07:32,910 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 02:07:32,910 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 02:07:32,911 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 02:07:32,912 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 02:07:32,912 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 02:07:32,913 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 02:07:32,915 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 02:07:32,915 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 02:07:32,916 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 02:07:32,917 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 02:07:32,918 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 02:07:32,918 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 02:07:32,918 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 02:07:32,919 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 02:07:32,920 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 02:07:32,920 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 02:07:32,921 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 02:07:32,922 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 02:07:32,922 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 02:07:32,922 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 02:07:32,923 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 02:07:32,923 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 02:07:32,924 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 02:07:32,924 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 02:07:32,924 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a5739836-dd71-4c7e-b0d6-ede58b9b68af/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 02:07:32,934 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 02:07:32,934 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 02:07:32,935 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 02:07:32,935 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 02:07:32,935 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 02:07:32,935 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 02:07:32,935 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 02:07:32,936 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 02:07:32,936 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 02:07:32,936 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 02:07:32,936 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 02:07:32,936 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 02:07:32,936 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 02:07:32,937 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 02:07:32,937 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 02:07:32,937 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 02:07:32,937 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 02:07:32,938 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 02:07:32,938 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 02:07:32,938 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 02:07:32,938 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 02:07:32,938 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 02:07:32,938 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 02:07:32,938 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 02:07:32,939 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 02:07:32,939 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 02:07:32,939 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 02:07:32,939 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 02:07:32,939 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 02:07:32,940 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 02:07:32,940 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 02:07:32,940 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 02:07:32,940 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 02:07:32,940 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 02:07:32,940 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 02:07:32,940 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 02:07:32,941 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 02:07:32,941 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_a5739836-dd71-4c7e-b0d6-ede58b9b68af/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 -> 2ad80e2d7767134fb761a45d54a404219df99a16 [2018-11-23 02:07:32,971 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 02:07:32,981 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 02:07:32,984 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 02:07:32,986 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 02:07:32,986 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 02:07:32,987 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a5739836-dd71-4c7e-b0d6-ede58b9b68af/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product06_true-unreach-call_false-termination.cil.c [2018-11-23 02:07:33,042 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a5739836-dd71-4c7e-b0d6-ede58b9b68af/bin-2019/utaipan/data/70e095f9f/7d92fd9911b04a06ab6761e7dccae68b/FLAGaa5b7cf8b [2018-11-23 02:07:33,423 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 02:07:33,423 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a5739836-dd71-4c7e-b0d6-ede58b9b68af/sv-benchmarks/c/product-lines/minepump_spec2_product06_true-unreach-call_false-termination.cil.c [2018-11-23 02:07:33,431 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a5739836-dd71-4c7e-b0d6-ede58b9b68af/bin-2019/utaipan/data/70e095f9f/7d92fd9911b04a06ab6761e7dccae68b/FLAGaa5b7cf8b [2018-11-23 02:07:33,441 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a5739836-dd71-4c7e-b0d6-ede58b9b68af/bin-2019/utaipan/data/70e095f9f/7d92fd9911b04a06ab6761e7dccae68b [2018-11-23 02:07:33,443 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 02:07:33,444 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 02:07:33,445 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 02:07:33,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 02:07:33,448 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 02:07:33,449 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:07:33" (1/1) ... [2018-11-23 02:07:33,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2824ecd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:33, skipping insertion in model container [2018-11-23 02:07:33,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:07:33" (1/1) ... [2018-11-23 02:07:33,462 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 02:07:33,501 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 02:07:33,753 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:07:33,824 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 02:07:33,897 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:07:33,919 INFO L195 MainTranslator]: Completed translation [2018-11-23 02:07:33,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:33 WrapperNode [2018-11-23 02:07:33,919 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 02:07:33,920 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 02:07:33,920 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 02:07:33,920 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 02:07:33,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:33" (1/1) ... [2018-11-23 02:07:33,942 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:33" (1/1) ... [2018-11-23 02:07:33,951 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 02:07:33,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 02:07:33,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 02:07:33,951 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 02:07:33,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:33" (1/1) ... [2018-11-23 02:07:33,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:33" (1/1) ... [2018-11-23 02:07:33,964 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:33" (1/1) ... [2018-11-23 02:07:33,965 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:33" (1/1) ... [2018-11-23 02:07:33,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:33" (1/1) ... [2018-11-23 02:07:33,982 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:33" (1/1) ... [2018-11-23 02:07:33,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:33" (1/1) ... [2018-11-23 02:07:33,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 02:07:33,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 02:07:33,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 02:07:33,989 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 02:07:33,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a5739836-dd71-4c7e-b0d6-ede58b9b68af/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 02:07:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 02:07:34,042 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 02:07:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 02:07:34,042 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 02:07:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 02:07:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 02:07:34,042 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 02:07:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 02:07:34,043 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 02:07:34,043 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 02:07:34,043 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 02:07:34,043 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 02:07:34,043 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 02:07:34,043 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-23 02:07:34,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-23 02:07:34,044 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-23 02:07:34,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-23 02:07:34,044 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 02:07:34,044 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 02:07:34,045 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 02:07:34,045 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 02:07:34,045 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 02:07:34,045 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 02:07:34,045 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 02:07:34,045 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 02:07:34,045 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 02:07:34,046 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 02:07:34,046 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 02:07:34,046 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 02:07:34,046 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 02:07:34,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 02:07:34,046 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 02:07:34,046 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 02:07:34,047 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 02:07:34,047 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 02:07:34,047 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 02:07:34,047 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 02:07:34,047 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 02:07:34,047 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 02:07:34,047 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 02:07:34,048 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 02:07:34,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 02:07:34,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 02:07:34,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 02:07:34,048 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 02:07:34,048 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 02:07:34,048 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 02:07:34,049 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 02:07:34,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 02:07:34,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 02:07:34,491 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 02:07:34,492 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 02:07:34,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:07:34 BoogieIcfgContainer [2018-11-23 02:07:34,492 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 02:07:34,493 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 02:07:34,493 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 02:07:34,496 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 02:07:34,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:07:33" (1/3) ... [2018-11-23 02:07:34,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a02a94c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:07:34, skipping insertion in model container [2018-11-23 02:07:34,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:33" (2/3) ... [2018-11-23 02:07:34,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a02a94c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:07:34, skipping insertion in model container [2018-11-23 02:07:34,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:07:34" (3/3) ... [2018-11-23 02:07:34,499 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product06_true-unreach-call_false-termination.cil.c [2018-11-23 02:07:34,509 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 02:07:34,517 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 02:07:34,533 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 02:07:34,561 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 02:07:34,561 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 02:07:34,561 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 02:07:34,561 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 02:07:34,562 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 02:07:34,562 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 02:07:34,562 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 02:07:34,562 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 02:07:34,582 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2018-11-23 02:07:34,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 02:07:34,590 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:07:34,590 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 02:07:34,593 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:07:34,598 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:07:34,598 INFO L82 PathProgramCache]: Analyzing trace with hash -2138548762, now seen corresponding path program 1 times [2018-11-23 02:07:34,601 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:07:34,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:07:34,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:07:34,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:07:34,635 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:07:34,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:34,810 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 02:07:34,811 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:07:34,812 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 02:07:34,812 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:07:34,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 02:07:34,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 02:07:34,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 02:07:34,828 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 2 states. [2018-11-23 02:07:34,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:07:34,857 INFO L93 Difference]: Finished difference Result 212 states and 265 transitions. [2018-11-23 02:07:34,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 02:07:34,858 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-23 02:07:34,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:07:34,868 INFO L225 Difference]: With dead ends: 212 [2018-11-23 02:07:34,868 INFO L226 Difference]: Without dead ends: 108 [2018-11-23 02:07:34,872 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 02:07:34,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-11-23 02:07:34,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2018-11-23 02:07:34,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-11-23 02:07:34,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 126 transitions. [2018-11-23 02:07:34,906 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 126 transitions. Word has length 51 [2018-11-23 02:07:34,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:07:34,907 INFO L480 AbstractCegarLoop]: Abstraction has 108 states and 126 transitions. [2018-11-23 02:07:34,907 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 02:07:34,907 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 126 transitions. [2018-11-23 02:07:34,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 02:07:34,909 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:07:34,909 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 02:07:34,910 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:07:34,910 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:07:34,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1000145566, now seen corresponding path program 1 times [2018-11-23 02:07:34,910 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:07:34,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:07:34,911 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:07:34,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:07:34,911 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:07:34,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:34,991 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 02:07:34,991 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:07:34,991 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 02:07:34,991 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:07:34,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 02:07:34,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 02:07:34,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 02:07:34,994 INFO L87 Difference]: Start difference. First operand 108 states and 126 transitions. Second operand 3 states. [2018-11-23 02:07:35,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:07:35,014 INFO L93 Difference]: Finished difference Result 157 states and 183 transitions. [2018-11-23 02:07:35,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 02:07:35,015 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-23 02:07:35,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:07:35,017 INFO L225 Difference]: With dead ends: 157 [2018-11-23 02:07:35,017 INFO L226 Difference]: Without dead ends: 99 [2018-11-23 02:07:35,018 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 02:07:35,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-11-23 02:07:35,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-11-23 02:07:35,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-11-23 02:07:35,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 114 transitions. [2018-11-23 02:07:35,030 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 114 transitions. Word has length 52 [2018-11-23 02:07:35,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:07:35,031 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 114 transitions. [2018-11-23 02:07:35,031 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 02:07:35,031 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 114 transitions. [2018-11-23 02:07:35,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 02:07:35,032 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:07:35,033 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 02:07:35,033 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:07:35,033 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:07:35,033 INFO L82 PathProgramCache]: Analyzing trace with hash 611632917, now seen corresponding path program 1 times [2018-11-23 02:07:35,033 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:07:35,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:07:35,034 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:07:35,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:07:35,034 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:07:35,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:35,161 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 02:07:35,161 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:07:35,161 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 02:07:35,161 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:07:35,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 02:07:35,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 02:07:35,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 02:07:35,162 INFO L87 Difference]: Start difference. First operand 99 states and 114 transitions. Second operand 7 states. [2018-11-23 02:07:35,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:07:35,429 INFO L93 Difference]: Finished difference Result 170 states and 201 transitions. [2018-11-23 02:07:35,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 02:07:35,430 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-23 02:07:35,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:07:35,431 INFO L225 Difference]: With dead ends: 170 [2018-11-23 02:07:35,432 INFO L226 Difference]: Without dead ends: 99 [2018-11-23 02:07:35,432 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 02:07:35,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-11-23 02:07:35,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-11-23 02:07:35,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-11-23 02:07:35,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 113 transitions. [2018-11-23 02:07:35,444 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 113 transitions. Word has length 57 [2018-11-23 02:07:35,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:07:35,445 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 113 transitions. [2018-11-23 02:07:35,445 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 02:07:35,445 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 113 transitions. [2018-11-23 02:07:35,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 02:07:35,447 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:07:35,447 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] [2018-11-23 02:07:35,447 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:07:35,448 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:07:35,448 INFO L82 PathProgramCache]: Analyzing trace with hash -821726656, now seen corresponding path program 1 times [2018-11-23 02:07:35,448 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:07:35,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:07:35,449 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:07:35,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:07:35,449 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:07:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:35,545 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 02:07:35,545 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:07:35,546 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 02:07:35,546 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:07:35,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 02:07:35,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 02:07:35,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 02:07:35,547 INFO L87 Difference]: Start difference. First operand 99 states and 113 transitions. Second operand 6 states. [2018-11-23 02:07:35,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:07:35,677 INFO L93 Difference]: Finished difference Result 233 states and 278 transitions. [2018-11-23 02:07:35,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 02:07:35,678 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2018-11-23 02:07:35,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:07:35,681 INFO L225 Difference]: With dead ends: 233 [2018-11-23 02:07:35,681 INFO L226 Difference]: Without dead ends: 162 [2018-11-23 02:07:35,682 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 02:07:35,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2018-11-23 02:07:35,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 160. [2018-11-23 02:07:35,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-11-23 02:07:35,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 186 transitions. [2018-11-23 02:07:35,704 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 186 transitions. Word has length 65 [2018-11-23 02:07:35,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:07:35,705 INFO L480 AbstractCegarLoop]: Abstraction has 160 states and 186 transitions. [2018-11-23 02:07:35,705 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 02:07:35,705 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 186 transitions. [2018-11-23 02:07:35,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-23 02:07:35,707 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:07:35,708 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, 1, 1, 1] [2018-11-23 02:07:35,708 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:07:35,708 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:07:35,708 INFO L82 PathProgramCache]: Analyzing trace with hash 2009718852, now seen corresponding path program 1 times [2018-11-23 02:07:35,709 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:07:35,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:07:35,710 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:07:35,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:07:35,710 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:07:35,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:35,811 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 02:07:35,812 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:07:35,812 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 02:07:35,812 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:07:35,812 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 02:07:35,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 02:07:35,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 02:07:35,813 INFO L87 Difference]: Start difference. First operand 160 states and 186 transitions. Second operand 7 states. [2018-11-23 02:07:36,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:07:36,109 INFO L93 Difference]: Finished difference Result 256 states and 305 transitions. [2018-11-23 02:07:36,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 02:07:36,112 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 69 [2018-11-23 02:07:36,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:07:36,113 INFO L225 Difference]: With dead ends: 256 [2018-11-23 02:07:36,113 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 02:07:36,114 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-23 02:07:36,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 02:07:36,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 02:07:36,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 02:07:36,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 02:07:36,115 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2018-11-23 02:07:36,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:07:36,116 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 02:07:36,116 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 02:07:36,116 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 02:07:36,116 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 02:07:36,121 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 02:07:36,656 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 226 233) the Hoare annotation is: true [2018-11-23 02:07:36,656 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 226 233) no Hoare annotation was computed. [2018-11-23 02:07:36,656 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 226 233) no Hoare annotation was computed. [2018-11-23 02:07:36,656 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 193 217) no Hoare annotation was computed. [2018-11-23 02:07:36,657 INFO L444 ceAbstractionStarter]: At program point L212(line 212) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 02:07:36,657 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 193 217) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 02:07:36,657 INFO L448 ceAbstractionStarter]: For program point L212-1(lines 193 217) no Hoare annotation was computed. [2018-11-23 02:07:36,657 INFO L444 ceAbstractionStarter]: At program point L207(line 207) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 02:07:36,657 INFO L444 ceAbstractionStarter]: At program point L203(line 203) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 02:07:36,657 INFO L448 ceAbstractionStarter]: For program point L201(lines 201 209) no Hoare annotation was computed. [2018-11-23 02:07:36,657 INFO L444 ceAbstractionStarter]: At program point L199(line 199) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 02:07:36,657 INFO L448 ceAbstractionStarter]: For program point L199-1(line 199) no Hoare annotation was computed. [2018-11-23 02:07:36,657 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 214) no Hoare annotation was computed. [2018-11-23 02:07:36,658 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-23 02:07:36,658 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-23 02:07:36,658 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 185 191) no Hoare annotation was computed. [2018-11-23 02:07:36,658 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 185 191) the Hoare annotation is: true [2018-11-23 02:07:36,658 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-23 02:07:36,658 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-23 02:07:36,658 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-23 02:07:36,658 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 83 148) 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 02:07:36,658 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 99) no Hoare annotation was computed. [2018-11-23 02:07:36,658 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 83 148) no Hoare annotation was computed. [2018-11-23 02:07:36,658 INFO L444 ceAbstractionStarter]: At program point L141(lines 92 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 02:07:36,659 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 135) no Hoare annotation was computed. [2018-11-23 02:07:36,659 INFO L444 ceAbstractionStarter]: At program point L131-2(lines 123 136) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-23 02:07:36,659 INFO L448 ceAbstractionStarter]: For program point L94(lines 93 140) no Hoare annotation was computed. [2018-11-23 02:07:36,659 INFO L444 ceAbstractionStarter]: At program point L125(line 125) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-23 02:07:36,659 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 136) no Hoare annotation was computed. [2018-11-23 02:07:36,659 INFO L444 ceAbstractionStarter]: At program point L115(line 115) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-23 02:07:36,659 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 119) no Hoare annotation was computed. [2018-11-23 02:07:36,659 INFO L448 ceAbstractionStarter]: For program point L113-1(lines 113 119) no Hoare annotation was computed. [2018-11-23 02:07:36,659 INFO L444 ceAbstractionStarter]: At program point L138(lines 93 140) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-23 02:07:36,660 INFO L444 ceAbstractionStarter]: At program point L105(line 105) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-23 02:07:36,660 INFO L448 ceAbstractionStarter]: For program point L103(lines 103 109) no Hoare annotation was computed. [2018-11-23 02:07:36,660 INFO L448 ceAbstractionStarter]: For program point L103-1(lines 103 109) no Hoare annotation was computed. [2018-11-23 02:07:36,664 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 83 148) no Hoare annotation was computed. [2018-11-23 02:07:36,664 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 868 890) 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 02:07:36,664 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 868 890) no Hoare annotation was computed. [2018-11-23 02:07:36,664 INFO L444 ceAbstractionStarter]: At program point L880(line 880) 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~6 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 02:07:36,664 INFO L444 ceAbstractionStarter]: At program point L880-1(line 880) 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~6 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 02:07:36,665 INFO L448 ceAbstractionStarter]: For program point L878(lines 878 885) no Hoare annotation was computed. [2018-11-23 02:07:36,665 INFO L448 ceAbstractionStarter]: For program point L878-1(lines 878 885) no Hoare annotation was computed. [2018-11-23 02:07:36,665 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 868 890) no Hoare annotation was computed. [2018-11-23 02:07:36,665 INFO L448 ceAbstractionStarter]: For program point L876(line 876) no Hoare annotation was computed. [2018-11-23 02:07:36,665 INFO L444 ceAbstractionStarter]: At program point L875(line 875) 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 02:07:36,665 INFO L444 ceAbstractionStarter]: At program point L874(line 874) 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 02:07:36,665 INFO L444 ceAbstractionStarter]: At program point L874-1(line 874) 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 02:07:36,665 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 245 253) no Hoare annotation was computed. [2018-11-23 02:07:36,665 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 245 253) the Hoare annotation is: true [2018-11-23 02:07:36,666 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 245 253) no Hoare annotation was computed. [2018-11-23 02:07:36,666 INFO L444 ceAbstractionStarter]: At program point L405(line 405) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-23 02:07:36,666 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 409) no Hoare annotation was computed. [2018-11-23 02:07:36,666 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 412) no Hoare annotation was computed. [2018-11-23 02:07:36,666 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 390 418) the Hoare annotation is: true [2018-11-23 02:07:36,666 INFO L444 ceAbstractionStarter]: At program point L400(line 400) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-23 02:07:36,666 INFO L448 ceAbstractionStarter]: For program point L400-1(line 400) no Hoare annotation was computed. [2018-11-23 02:07:36,666 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 415) no Hoare annotation was computed. [2018-11-23 02:07:36,666 INFO L448 ceAbstractionStarter]: For program point L398-1(lines 390 418) no Hoare annotation was computed. [2018-11-23 02:07:36,666 INFO L451 ceAbstractionStarter]: At program point L396(line 396) the Hoare annotation is: true [2018-11-23 02:07:36,667 INFO L448 ceAbstractionStarter]: For program point L396-1(line 396) no Hoare annotation was computed. [2018-11-23 02:07:36,667 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 390 418) no Hoare annotation was computed. [2018-11-23 02:07:36,667 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 382 389) the Hoare annotation is: true [2018-11-23 02:07:36,667 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 382 389) no Hoare annotation was computed. [2018-11-23 02:07:36,667 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 382 389) no Hoare annotation was computed. [2018-11-23 02:07:36,667 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 02:07:36,667 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-23 02:07:36,667 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 02:07:36,667 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 326 337) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 02:07:36,667 INFO L448 ceAbstractionStarter]: For program point L330-1(lines 326 337) no Hoare annotation was computed. [2018-11-23 02:07:36,667 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 326 337) no Hoare annotation was computed. [2018-11-23 02:07:36,668 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 338 346) the Hoare annotation is: true [2018-11-23 02:07:36,668 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 338 346) no Hoare annotation was computed. [2018-11-23 02:07:36,669 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 338 346) no Hoare annotation was computed. [2018-11-23 02:07:36,669 INFO L448 ceAbstractionStarter]: For program point L802-1(line 802) no Hoare annotation was computed. [2018-11-23 02:07:36,669 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 796 825) no Hoare annotation was computed. [2018-11-23 02:07:36,669 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 796 825) the Hoare annotation is: true [2018-11-23 02:07:36,669 INFO L451 ceAbstractionStarter]: At program point L821(lines 796 825) the Hoare annotation is: true [2018-11-23 02:07:36,669 INFO L448 ceAbstractionStarter]: For program point L817(line 817) no Hoare annotation was computed. [2018-11-23 02:07:36,669 INFO L448 ceAbstractionStarter]: For program point L810(lines 810 814) no Hoare annotation was computed. [2018-11-23 02:07:36,669 INFO L451 ceAbstractionStarter]: At program point L810-1(lines 810 814) the Hoare annotation is: true [2018-11-23 02:07:36,669 INFO L448 ceAbstractionStarter]: For program point L807(line 807) no Hoare annotation was computed. [2018-11-23 02:07:36,669 INFO L451 ceAbstractionStarter]: At program point L806-2(lines 806 820) the Hoare annotation is: true [2018-11-23 02:07:36,670 INFO L451 ceAbstractionStarter]: At program point L802(line 802) the Hoare annotation is: true [2018-11-23 02:07:36,670 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 161 184) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 02:07:36,670 INFO L444 ceAbstractionStarter]: At program point L174(line 174) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 02:07:36,670 INFO L444 ceAbstractionStarter]: At program point L172(lines 172 178) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 02:07:36,670 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 161 184) no Hoare annotation was computed. [2018-11-23 02:07:36,670 INFO L444 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 02:07:36,670 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 161 184) no Hoare annotation was computed. [2018-11-23 02:07:36,670 INFO L448 ceAbstractionStarter]: For program point L165(lines 164 183) no Hoare annotation was computed. [2018-11-23 02:07:36,670 INFO L448 ceAbstractionStarter]: For program point L306-1(lines 302 313) no Hoare annotation was computed. [2018-11-23 02:07:36,671 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 302 313) the Hoare annotation is: true [2018-11-23 02:07:36,671 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 302 313) no Hoare annotation was computed. [2018-11-23 02:07:36,671 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-23 02:07:36,671 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-23 02:07:36,671 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 850 856) no Hoare annotation was computed. [2018-11-23 02:07:36,671 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 850 856) the Hoare annotation is: true [2018-11-23 02:07:36,671 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 02:07:36,671 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 02:07:36,671 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 02:07:36,671 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 02:07:36,672 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 290 297) no Hoare annotation was computed. [2018-11-23 02:07:36,672 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 290 297) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))) [2018-11-23 02:07:36,673 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 290 297) no Hoare annotation was computed. [2018-11-23 02:07:36,673 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 314 325) no Hoare annotation was computed. [2018-11-23 02:07:36,673 INFO L448 ceAbstractionStarter]: For program point L318-1(lines 314 325) no Hoare annotation was computed. [2018-11-23 02:07:36,673 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 314 325) the Hoare annotation is: true [2018-11-23 02:07:36,673 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 786 793) no Hoare annotation was computed. [2018-11-23 02:07:36,673 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 786 793) the Hoare annotation is: true [2018-11-23 02:07:36,674 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 790) no Hoare annotation was computed. [2018-11-23 02:07:36,674 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 786 793) no Hoare annotation was computed. [2018-11-23 02:07:36,674 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 857 867) 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 02:07:36,674 INFO L444 ceAbstractionStarter]: At program point L862(line 862) 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 02:07:36,674 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 857 867) no Hoare annotation was computed. [2018-11-23 02:07:36,674 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 857 867) no Hoare annotation was computed. [2018-11-23 02:07:36,674 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 234 244) the Hoare annotation is: true [2018-11-23 02:07:36,674 INFO L451 ceAbstractionStarter]: At program point L239(line 239) the Hoare annotation is: true [2018-11-23 02:07:36,675 INFO L448 ceAbstractionStarter]: For program point L239-1(line 239) no Hoare annotation was computed. [2018-11-23 02:07:36,675 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 234 244) no Hoare annotation was computed. [2018-11-23 02:07:36,675 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 234 244) no Hoare annotation was computed. [2018-11-23 02:07:36,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:07:36 BoogieIcfgContainer [2018-11-23 02:07:36,687 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 02:07:36,687 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 02:07:36,687 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 02:07:36,688 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 02:07:36,690 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:07:34" (3/4) ... [2018-11-23 02:07:36,693 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 02:07:36,701 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 02:07:36,701 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 02:07:36,701 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 02:07:36,701 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 02:07:36,701 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 02:07:36,701 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 02:07:36,701 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 02:07:36,702 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 02:07:36,702 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-23 02:07:36,702 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-23 02:07:36,702 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 02:07:36,702 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 02:07:36,702 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 02:07:36,702 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 02:07:36,702 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 02:07:36,702 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 02:07:36,702 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 02:07:36,702 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 02:07:36,703 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 02:07:36,703 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 02:07:36,703 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 02:07:36,703 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 02:07:36,703 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 02:07:36,710 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-11-23 02:07:36,711 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 02:07:36,711 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 02:07:36,711 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 02:07:36,712 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 02:07:36,712 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 02:07:36,712 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 02:07:36,738 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((systemActive == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) [2018-11-23 02:07:36,739 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 02:07:36,776 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a5739836-dd71-4c7e-b0d6-ede58b9b68af/bin-2019/utaipan/witness.graphml [2018-11-23 02:07:36,776 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 02:07:36,777 INFO L168 Benchmark]: Toolchain (without parser) took 3333.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 955.5 MB in the beginning and 994.0 MB in the end (delta: -38.5 MB). Peak memory consumption was 92.5 MB. Max. memory is 11.5 GB. [2018-11-23 02:07:36,778 INFO L168 Benchmark]: CDTParser took 0.20 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 02:07:36,778 INFO L168 Benchmark]: CACSL2BoogieTranslator took 474.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -164.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2018-11-23 02:07:36,778 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.14 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 02:07:36,779 INFO L168 Benchmark]: Boogie Preprocessor took 36.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 02:07:36,779 INFO L168 Benchmark]: RCFGBuilder took 504.12 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: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. [2018-11-23 02:07:36,779 INFO L168 Benchmark]: TraceAbstraction took 2193.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 999.2 MB in the end (delta: 71.6 MB). Peak memory consumption was 71.6 MB. Max. memory is 11.5 GB. [2018-11-23 02:07:36,780 INFO L168 Benchmark]: Witness Printer took 89.03 ms. Allocated memory is still 1.2 GB. Free memory was 999.2 MB in the beginning and 994.0 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. [2018-11-23 02:07:36,782 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 474.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -164.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.14 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 36.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 504.12 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: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2193.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 999.2 MB in the end (delta: 71.6 MB). Peak memory consumption was 71.6 MB. Max. memory is 11.5 GB. * Witness Printer took 89.03 ms. Allocated memory is still 1.2 GB. Free memory was 999.2 MB in the beginning and 994.0 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 790]: 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: 93]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((systemActive == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 121 locations, 1 error locations. SAFE Result, 2.1s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 550 SDtfs, 261 SDslu, 845 SDs, 0 SdLazy, 337 SolverSat, 66 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s 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=160occurred 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 233 PreInvPairs, 248 NumberOfFragments, 522 HoareAnnotationTreeSize, 233 FomulaSimplifications, 85 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 52 FomulaSimplificationsInter, 734 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 294 NumberOfCodeBlocks, 294 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 289 ConstructedInterpolants, 0 QuantifiedInterpolants, 31449 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...