./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1052a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_584c3cfa-03ba-446c-a840-71d1c058f06a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_584c3cfa-03ba-446c-a840-71d1c058f06a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_584c3cfa-03ba-446c-a840-71d1c058f06a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_584c3cfa-03ba-446c-a840-71d1c058f06a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1052a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_584c3cfa-03ba-446c-a840-71d1c058f06a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_584c3cfa-03ba-446c-a840-71d1c058f06a/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 269c6e32b98d41be14ec8894bc32516e2df9c183 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_584c3cfa-03ba-446c-a840-71d1c058f06a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_584c3cfa-03ba-446c-a840-71d1c058f06a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_584c3cfa-03ba-446c-a840-71d1c058f06a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_584c3cfa-03ba-446c-a840-71d1c058f06a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1052a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_584c3cfa-03ba-446c-a840-71d1c058f06a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_584c3cfa-03ba-446c-a840-71d1c058f06a/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 269c6e32b98d41be14ec8894bc32516e2df9c183 ..................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 20:16:45,897 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:16:45,898 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:16:45,910 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:16:45,910 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:16:45,911 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:16:45,912 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:16:45,914 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:16:45,916 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:16:45,917 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:16:45,917 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:16:45,918 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:16:45,919 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:16:45,920 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:16:45,921 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:16:45,922 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:16:45,923 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:16:45,925 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:16:45,927 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:16:45,928 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:16:45,929 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:16:45,931 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:16:45,932 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:16:45,933 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:16:45,933 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:16:45,934 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:16:45,935 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:16:45,936 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:16:45,937 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:16:45,938 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:16:45,939 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:16:45,939 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:16:45,940 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:16:45,940 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:16:45,941 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:16:45,941 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:16:45,942 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_584c3cfa-03ba-446c-a840-71d1c058f06a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 20:16:45,966 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:16:45,967 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:16:45,968 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:16:45,969 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 20:16:45,969 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 20:16:45,969 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 20:16:45,969 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 20:16:45,970 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 20:16:45,971 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 20:16:45,971 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 20:16:45,971 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 20:16:45,972 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:16:45,974 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:16:45,974 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 20:16:45,974 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:16:45,974 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:16:45,974 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:16:45,975 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:16:45,975 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:16:45,975 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:16:45,975 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:16:45,975 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:16:45,975 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:16:45,976 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 20:16:45,976 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:16:45,976 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 20:16:45,976 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 20:16:45,976 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:16:45,977 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:16:45,977 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:16:45,977 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 20:16:45,977 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:16:45,977 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 20:16:45,977 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 20:16:45,977 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_584c3cfa-03ba-446c-a840-71d1c058f06a/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 -> 269c6e32b98d41be14ec8894bc32516e2df9c183 [2018-10-26 20:16:46,030 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:16:46,053 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:16:46,060 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:16:46,061 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:16:46,061 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:16:46,062 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_584c3cfa-03ba-446c-a840-71d1c058f06a/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1052a_true-unreach-call.c [2018-10-26 20:16:46,125 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_584c3cfa-03ba-446c-a840-71d1c058f06a/bin-2019/utaipan/data/93ac66a8f/ea25f7ef7c65438aac443a19f9539be6/FLAGd7693d1ac [2018-10-26 20:16:46,511 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:16:46,513 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_584c3cfa-03ba-446c-a840-71d1c058f06a/sv-benchmarks/c/float-newlib/float_req_bl_1052a_true-unreach-call.c [2018-10-26 20:16:46,519 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_584c3cfa-03ba-446c-a840-71d1c058f06a/bin-2019/utaipan/data/93ac66a8f/ea25f7ef7c65438aac443a19f9539be6/FLAGd7693d1ac [2018-10-26 20:16:46,537 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_584c3cfa-03ba-446c-a840-71d1c058f06a/bin-2019/utaipan/data/93ac66a8f/ea25f7ef7c65438aac443a19f9539be6 [2018-10-26 20:16:46,542 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:16:46,543 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:16:46,549 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:16:46,549 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:16:46,553 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:16:46,554 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:16:46" (1/1) ... [2018-10-26 20:16:46,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29dbded0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:16:46, skipping insertion in model container [2018-10-26 20:16:46,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:16:46" (1/1) ... [2018-10-26 20:16:46,568 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:16:46,593 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:16:46,756 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:16:46,759 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:16:46,794 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:16:46,814 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:16:46,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:16:46 WrapperNode [2018-10-26 20:16:46,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:16:46,816 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:16:46,816 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:16:46,816 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:16:46,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:16:46" (1/1) ... [2018-10-26 20:16:46,837 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:16:46" (1/1) ... [2018-10-26 20:16:46,862 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:16:46,863 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:16:46,863 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:16:46,863 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:16:46,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:16:46" (1/1) ... [2018-10-26 20:16:46,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:16:46" (1/1) ... [2018-10-26 20:16:46,878 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:16:46" (1/1) ... [2018-10-26 20:16:46,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:16:46" (1/1) ... [2018-10-26 20:16:46,886 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:16:46" (1/1) ... [2018-10-26 20:16:46,892 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:16:46" (1/1) ... [2018-10-26 20:16:46,895 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:16:46" (1/1) ... [2018-10-26 20:16:46,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:16:46,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:16:46,899 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:16:46,899 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:16:46,900 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:16:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_584c3cfa-03ba-446c-a840-71d1c058f06a/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 [2018-10-26 20:16:47,055 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 20:16:47,056 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 20:16:47,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 20:16:47,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 20:16:47,057 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-10-26 20:16:47,057 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-10-26 20:16:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2018-10-26 20:16:47,058 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2018-10-26 20:16:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:16:47,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:16:47,763 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:16:47,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:16:47 BoogieIcfgContainer [2018-10-26 20:16:47,764 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:16:47,765 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 20:16:47,765 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 20:16:47,770 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 20:16:47,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 08:16:46" (1/3) ... [2018-10-26 20:16:47,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@788fd008 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:16:47, skipping insertion in model container [2018-10-26 20:16:47,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:16:46" (2/3) ... [2018-10-26 20:16:47,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@788fd008 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:16:47, skipping insertion in model container [2018-10-26 20:16:47,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:16:47" (3/3) ... [2018-10-26 20:16:47,776 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1052a_true-unreach-call.c [2018-10-26 20:16:47,785 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 20:16:47,792 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 20:16:47,805 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 20:16:47,839 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 20:16:47,839 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 20:16:47,839 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 20:16:47,839 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 20:16:47,840 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 20:16:47,840 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 20:16:47,840 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 20:16:47,840 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 20:16:47,860 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-10-26 20:16:47,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-26 20:16:47,867 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:16:47,868 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:16:47,871 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:16:47,877 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:16:47,882 INFO L82 PathProgramCache]: Analyzing trace with hash 1953070045, now seen corresponding path program 1 times [2018-10-26 20:16:47,885 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:16:47,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:16:47,925 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:16:47,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:16:47,926 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:16:47,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:16:48,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:16:48,018 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:16:48,018 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 20:16:48,018 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:16:48,024 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 20:16:48,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 20:16:48,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 20:16:48,040 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2018-10-26 20:16:48,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:16:48,062 INFO L93 Difference]: Finished difference Result 76 states and 107 transitions. [2018-10-26 20:16:48,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 20:16:48,063 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2018-10-26 20:16:48,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:16:48,072 INFO L225 Difference]: With dead ends: 76 [2018-10-26 20:16:48,073 INFO L226 Difference]: Without dead ends: 38 [2018-10-26 20:16:48,076 INFO L605 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 [2018-10-26 20:16:48,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-10-26 20:16:48,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-10-26 20:16:48,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-10-26 20:16:48,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 46 transitions. [2018-10-26 20:16:48,113 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 46 transitions. Word has length 24 [2018-10-26 20:16:48,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:16:48,114 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 46 transitions. [2018-10-26 20:16:48,114 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 20:16:48,114 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2018-10-26 20:16:48,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 20:16:48,115 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:16:48,115 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:16:48,115 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:16:48,116 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:16:48,116 INFO L82 PathProgramCache]: Analyzing trace with hash -1466771513, now seen corresponding path program 1 times [2018-10-26 20:16:48,116 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:16:48,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:16:48,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:16:48,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:16:48,118 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:16:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:16:48,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:16:48,301 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 20:16:48,317 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:16:48,318 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:16:48,318 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:16:48,318 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:16:48,318 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:16:48,319 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:16:48,319 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:16:48,319 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:16:48,319 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:16:48,320 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:16:48,320 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:16:48,320 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:16:48,320 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:16:48,321 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:16:48,321 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:16:48,321 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:16:48,321 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:16:48,322 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:16:48,322 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:16:48,322 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:16:48,323 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:16:48,323 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:16:48,323 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:16:48,323 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:16:48,324 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:16:48,324 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:16:48,324 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:16:48,325 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:16:48,327 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:16:48,327 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:16:48,327 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:16:48,328 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:16:48,328 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:16:48,328 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:16:48,328 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:16:48,329 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:16:48,329 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:16:48,329 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:16:48,330 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:16:48,330 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:16:48,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 08:16:48 BoogieIcfgContainer [2018-10-26 20:16:48,351 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 20:16:48,351 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:16:48,351 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:16:48,352 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:16:48,352 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:16:47" (3/4) ... [2018-10-26 20:16:48,357 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 20:16:48,358 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:16:48,359 INFO L168 Benchmark]: Toolchain (without parser) took 1816.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 962.3 MB in the beginning and 1.1 GB in the end (delta: -128.1 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2018-10-26 20:16:48,361 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:16:48,361 INFO L168 Benchmark]: CACSL2BoogieTranslator took 266.54 ms. Allocated memory is still 1.0 GB. Free memory was 962.3 MB in the beginning and 951.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:16:48,363 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.75 ms. Allocated memory is still 1.0 GB. Free memory was 951.6 MB in the beginning and 946.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:16:48,364 INFO L168 Benchmark]: Boogie Preprocessor took 35.58 ms. Allocated memory is still 1.0 GB. Free memory is still 946.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:16:48,364 INFO L168 Benchmark]: RCFGBuilder took 865.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -176.5 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-10-26 20:16:48,365 INFO L168 Benchmark]: TraceAbstraction took 585.99 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: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-10-26 20:16:48,365 INFO L168 Benchmark]: Witness Printer took 6.49 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. [2018-10-26 20:16:48,370 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 266.54 ms. Allocated memory is still 1.0 GB. Free memory was 962.3 MB in the beginning and 951.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.75 ms. Allocated memory is still 1.0 GB. Free memory was 951.6 MB in the beginning and 946.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.58 ms. Allocated memory is still 1.0 GB. Free memory is still 946.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 865.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -176.5 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 585.99 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: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Witness Printer took 6.49 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. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 80]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 75, overapproximation of bitwiseAnd at line 64. Possible FailurePath: [L11] static const float huge_floor = 1.0e30; VAL [\old(huge_floor)=10737418243, huge_floor=1000000000000000000000000000000] [L75] float x = 1.0f / 0.0f; VAL [huge_floor=1000000000000000000000000000000] [L76] CALL, EXPR floor_float(x) VAL [huge_floor=1000000000000000000000000000000] [L14] __int32_t i0, j0; [L15] __uint32_t i, ix; VAL [huge_floor=1000000000000000000000000000000] [L17] CALL ieee_float_shape_type gf_u; [L17] RET ieee_float_shape_type gf_u; [L18] CALL gf_u.value = (x) [L18] RET gf_u.value = (x) [L19] CALL, EXPR gf_u.word [L19] RET, EXPR gf_u.word [L19] (i0) = gf_u.word [L19] RET (i0) = gf_u.word [L20] COND FALSE !(0) VAL [huge_floor=1000000000000000000000000000000] [L21] ix = (i0 & 0x7fffffff) [L22] j0 = (ix >> 23) - 0x7f VAL [huge_floor=1000000000000000000000000000000] [L23] COND FALSE !(j0 < 23) VAL [huge_floor=1000000000000000000000000000000] [L43] COND FALSE !(!((ix) < 0x7f800000L)) [L46] RET return x; VAL [huge_floor=1000000000000000000000000000000] [L76] EXPR floor_float(x) VAL [floor_float(x)=10737418246, huge_floor=1000000000000000000000000000000, x=10737418246] [L76] float res = floor_float(x); [L79] CALL, EXPR isinf_float(res) VAL [huge_floor=1000000000000000000000000000000] [L58] __int32_t ix; VAL [huge_floor=1000000000000000000000000000000] [L60] CALL ieee_float_shape_type gf_u; [L60] RET ieee_float_shape_type gf_u; [L61] CALL gf_u.value = (x) [L61] RET gf_u.value = (x) [L62] CALL, EXPR gf_u.word [L62] RET, EXPR gf_u.word [L62] (ix) = gf_u.word [L62] RET (ix) = gf_u.word [L63] COND FALSE !(0) VAL [huge_floor=1000000000000000000000000000000] [L64] ix &= 0x7fffffff [L65] RET return ((ix) == 0x7f800000L); VAL [huge_floor=1000000000000000000000000000000] [L79] EXPR isinf_float(res) VAL [huge_floor=1000000000000000000000000000000, isinf_float(res)=0, res=10737418246, x=10737418246] [L79] COND TRUE !isinf_float(res) [L80] __VERIFIER_error() VAL [huge_floor=1000000000000000000000000000000, res=10737418246, x=10737418246] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 42 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 50 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 529 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-26 20:16:50,753 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:16:50,754 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:16:50,772 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:16:50,772 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:16:50,773 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:16:50,775 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:16:50,777 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:16:50,779 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:16:50,780 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:16:50,781 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:16:50,781 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:16:50,782 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:16:50,784 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:16:50,785 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:16:50,785 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:16:50,787 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:16:50,789 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:16:50,791 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:16:50,792 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:16:50,794 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:16:50,795 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:16:50,798 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:16:50,798 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:16:50,798 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:16:50,799 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:16:50,800 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:16:50,801 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:16:50,802 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:16:50,804 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:16:50,804 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:16:50,805 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:16:50,805 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:16:50,805 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:16:50,807 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:16:50,807 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:16:50,808 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_584c3cfa-03ba-446c-a840-71d1c058f06a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-26 20:16:50,822 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:16:50,823 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:16:50,823 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:16:50,824 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 20:16:50,824 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 20:16:50,824 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 20:16:50,824 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 20:16:50,824 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 20:16:50,825 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:16:50,825 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:16:50,825 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:16:50,826 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:16:50,826 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:16:50,827 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:16:50,828 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:16:50,828 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 20:16:50,828 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 20:16:50,828 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:16:50,828 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:16:50,828 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:16:50,829 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:16:50,829 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 20:16:50,829 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:16:50,829 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 20:16:50,829 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 20:16:50,830 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:16:50,830 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:16:50,830 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:16:50,830 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 20:16:50,830 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:16:50,831 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 20:16:50,831 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 20:16:50,831 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_584c3cfa-03ba-446c-a840-71d1c058f06a/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 -> 269c6e32b98d41be14ec8894bc32516e2df9c183 [2018-10-26 20:16:50,874 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:16:50,887 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:16:50,890 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:16:50,892 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:16:50,892 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:16:50,893 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_584c3cfa-03ba-446c-a840-71d1c058f06a/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1052a_true-unreach-call.c [2018-10-26 20:16:50,947 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_584c3cfa-03ba-446c-a840-71d1c058f06a/bin-2019/utaipan/data/304a71ee8/5b9506358bd24fa295748a00399c843f/FLAG9cc12887e [2018-10-26 20:16:51,384 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:16:51,387 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_584c3cfa-03ba-446c-a840-71d1c058f06a/sv-benchmarks/c/float-newlib/float_req_bl_1052a_true-unreach-call.c [2018-10-26 20:16:51,396 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_584c3cfa-03ba-446c-a840-71d1c058f06a/bin-2019/utaipan/data/304a71ee8/5b9506358bd24fa295748a00399c843f/FLAG9cc12887e [2018-10-26 20:16:51,412 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_584c3cfa-03ba-446c-a840-71d1c058f06a/bin-2019/utaipan/data/304a71ee8/5b9506358bd24fa295748a00399c843f [2018-10-26 20:16:51,419 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:16:51,420 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:16:51,421 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:16:51,421 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:16:51,425 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:16:51,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:16:51" (1/1) ... [2018-10-26 20:16:51,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@641b4f10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:16:51, skipping insertion in model container [2018-10-26 20:16:51,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:16:51" (1/1) ... [2018-10-26 20:16:51,444 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:16:51,467 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:16:51,663 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:16:51,669 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:16:51,700 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:16:51,726 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:16:51,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:16:51 WrapperNode [2018-10-26 20:16:51,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:16:51,728 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:16:51,728 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:16:51,728 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:16:51,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:16:51" (1/1) ... [2018-10-26 20:16:51,752 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:16:51" (1/1) ... [2018-10-26 20:16:51,777 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:16:51,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:16:51,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:16:51,778 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:16:51,787 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:16:51" (1/1) ... [2018-10-26 20:16:51,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:16:51" (1/1) ... [2018-10-26 20:16:51,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:16:51" (1/1) ... [2018-10-26 20:16:51,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:16:51" (1/1) ... [2018-10-26 20:16:51,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:16:51" (1/1) ... [2018-10-26 20:16:51,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:16:51" (1/1) ... [2018-10-26 20:16:51,809 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:16:51" (1/1) ... [2018-10-26 20:16:51,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:16:51,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:16:51,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:16:51,814 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:16:51,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:16:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_584c3cfa-03ba-446c-a840-71d1c058f06a/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 [2018-10-26 20:16:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 20:16:51,946 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 20:16:51,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 20:16:51,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 20:16:51,946 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-10-26 20:16:51,946 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-10-26 20:16:51,946 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2018-10-26 20:16:51,947 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2018-10-26 20:16:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:16:51,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:16:52,221 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 20:16:52,694 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 20:16:53,074 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:16:53,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:16:53 BoogieIcfgContainer [2018-10-26 20:16:53,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:16:53,076 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 20:16:53,076 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 20:16:53,080 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 20:16:53,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 08:16:51" (1/3) ... [2018-10-26 20:16:53,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@316832bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:16:53, skipping insertion in model container [2018-10-26 20:16:53,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:16:51" (2/3) ... [2018-10-26 20:16:53,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@316832bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:16:53, skipping insertion in model container [2018-10-26 20:16:53,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:16:53" (3/3) ... [2018-10-26 20:16:53,085 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1052a_true-unreach-call.c [2018-10-26 20:16:53,097 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 20:16:53,105 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 20:16:53,122 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 20:16:53,154 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 20:16:53,155 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 20:16:53,155 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 20:16:53,156 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 20:16:53,156 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 20:16:53,156 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 20:16:53,157 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 20:16:53,157 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 20:16:53,157 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 20:16:53,176 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2018-10-26 20:16:53,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-26 20:16:53,183 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:16:53,184 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:16:53,186 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:16:53,192 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:16:53,193 INFO L82 PathProgramCache]: Analyzing trace with hash -1858242230, now seen corresponding path program 1 times [2018-10-26 20:16:53,198 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:16:53,199 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_584c3cfa-03ba-446c-a840-71d1c058f06a/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-10-26 20:16:53,216 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:16:53,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:16:53,283 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:16:53,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:16:53,303 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:16:53,324 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:16:53,325 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 20:16:53,329 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 20:16:53,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 20:16:53,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 20:16:53,348 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 2 states. [2018-10-26 20:16:53,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:16:53,373 INFO L93 Difference]: Finished difference Result 74 states and 105 transitions. [2018-10-26 20:16:53,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 20:16:53,376 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-10-26 20:16:53,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:16:53,386 INFO L225 Difference]: With dead ends: 74 [2018-10-26 20:16:53,387 INFO L226 Difference]: Without dead ends: 37 [2018-10-26 20:16:53,391 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 20:16:53,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-10-26 20:16:53,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-10-26 20:16:53,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-10-26 20:16:53,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 45 transitions. [2018-10-26 20:16:53,433 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 45 transitions. Word has length 23 [2018-10-26 20:16:53,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:16:53,433 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 45 transitions. [2018-10-26 20:16:53,434 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 20:16:53,434 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2018-10-26 20:16:53,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-26 20:16:53,436 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:16:53,436 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:16:53,436 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:16:53,437 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:16:53,437 INFO L82 PathProgramCache]: Analyzing trace with hash 269731036, now seen corresponding path program 1 times [2018-10-26 20:16:53,437 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:16:53,437 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_584c3cfa-03ba-446c-a840-71d1c058f06a/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-10-26 20:16:53,445 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:16:53,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:16:53,529 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:16:53,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:16:53,760 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:16:53,774 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:16:53,774 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 20:16:53,775 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 20:16:53,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 20:16:53,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 20:16:53,776 INFO L87 Difference]: Start difference. First operand 37 states and 45 transitions. Second operand 7 states. [2018-10-26 20:16:55,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:16:55,160 INFO L93 Difference]: Finished difference Result 59 states and 66 transitions. [2018-10-26 20:16:55,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 20:16:55,161 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2018-10-26 20:16:55,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:16:55,164 INFO L225 Difference]: With dead ends: 59 [2018-10-26 20:16:55,164 INFO L226 Difference]: Without dead ends: 43 [2018-10-26 20:16:55,165 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-10-26 20:16:55,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-10-26 20:16:55,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 37. [2018-10-26 20:16:55,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-10-26 20:16:55,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 43 transitions. [2018-10-26 20:16:55,172 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 43 transitions. Word has length 25 [2018-10-26 20:16:55,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:16:55,173 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 43 transitions. [2018-10-26 20:16:55,173 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 20:16:55,173 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2018-10-26 20:16:55,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-26 20:16:55,174 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:16:55,174 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:16:55,175 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:16:55,175 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:16:55,175 INFO L82 PathProgramCache]: Analyzing trace with hash 563134043, now seen corresponding path program 1 times [2018-10-26 20:16:55,176 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:16:55,176 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_584c3cfa-03ba-446c-a840-71d1c058f06a/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-10-26 20:16:55,186 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-10-26 20:16:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:16:55,266 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:16:56,012 WARN L179 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2018-10-26 20:16:56,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:16:56,216 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:16:56,229 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:16:56,229 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-10-26 20:16:56,230 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-26 20:16:56,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-26 20:16:56,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-10-26 20:16:56,231 INFO L87 Difference]: Start difference. First operand 37 states and 43 transitions. Second operand 11 states. [2018-10-26 20:16:56,703 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-10-26 20:16:58,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:16:58,159 INFO L93 Difference]: Finished difference Result 46 states and 52 transitions. [2018-10-26 20:16:58,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-26 20:16:58,160 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 25 [2018-10-26 20:16:58,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:16:58,161 INFO L225 Difference]: With dead ends: 46 [2018-10-26 20:16:58,162 INFO L226 Difference]: Without dead ends: 38 [2018-10-26 20:16:58,163 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2018-10-26 20:16:58,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-10-26 20:16:58,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 36. [2018-10-26 20:16:58,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-10-26 20:16:58,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 41 transitions. [2018-10-26 20:16:58,172 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 41 transitions. Word has length 25 [2018-10-26 20:16:58,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:16:58,173 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 41 transitions. [2018-10-26 20:16:58,173 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-26 20:16:58,173 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2018-10-26 20:16:58,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 20:16:58,174 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:16:58,174 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:16:58,174 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:16:58,175 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:16:58,175 INFO L82 PathProgramCache]: Analyzing trace with hash -991989136, now seen corresponding path program 1 times [2018-10-26 20:16:58,175 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:16:58,175 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_584c3cfa-03ba-446c-a840-71d1c058f06a/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-10-26 20:16:58,181 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:16:58,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:16:58,253 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:16:58,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:16:58,414 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:16:58,429 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:16:58,429 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 20:16:58,429 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 20:16:58,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 20:16:58,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 20:16:58,430 INFO L87 Difference]: Start difference. First operand 36 states and 41 transitions. Second operand 7 states. [2018-10-26 20:16:59,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:16:59,425 INFO L93 Difference]: Finished difference Result 42 states and 47 transitions. [2018-10-26 20:16:59,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 20:16:59,427 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2018-10-26 20:16:59,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:16:59,427 INFO L225 Difference]: With dead ends: 42 [2018-10-26 20:16:59,427 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 20:16:59,428 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2018-10-26 20:16:59,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 20:16:59,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 20:16:59,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 20:16:59,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 20:16:59,429 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2018-10-26 20:16:59,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:16:59,429 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 20:16:59,429 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 20:16:59,429 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 20:16:59,430 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 20:16:59,438 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 20:16:59,586 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 20:16:59,587 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-10-26 20:16:59,587 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 20:16:59,587 INFO L425 ceAbstractionStarter]: For program point L59-1(lines 59 63) no Hoare annotation was computed. [2018-10-26 20:16:59,587 INFO L421 ceAbstractionStarter]: At program point L59-3(lines 59 63) the Hoare annotation is: (= |isinf_float_#in~x| isinf_float_~x) [2018-10-26 20:16:59,587 INFO L425 ceAbstractionStarter]: For program point L59-4(lines 59 63) no Hoare annotation was computed. [2018-10-26 20:16:59,587 INFO L428 ceAbstractionStarter]: At program point isinf_floatENTRY(lines 57 66) the Hoare annotation is: true [2018-10-26 20:16:59,587 INFO L425 ceAbstractionStarter]: For program point isinf_floatEXIT(lines 57 66) no Hoare annotation was computed. [2018-10-26 20:16:59,587 INFO L425 ceAbstractionStarter]: For program point isinf_floatFINAL(lines 57 66) no Hoare annotation was computed. [2018-10-26 20:16:59,588 INFO L425 ceAbstractionStarter]: For program point L23(lines 23 47) no Hoare annotation was computed. [2018-10-26 20:16:59,588 INFO L425 ceAbstractionStarter]: For program point L48(lines 48 52) no Hoare annotation was computed. [2018-10-26 20:16:59,588 INFO L425 ceAbstractionStarter]: For program point L48-2(lines 13 54) no Hoare annotation was computed. [2018-10-26 20:16:59,588 INFO L425 ceAbstractionStarter]: For program point L48-3(lines 48 52) no Hoare annotation was computed. [2018-10-26 20:16:59,588 INFO L425 ceAbstractionStarter]: For program point L36(lines 36 40) no Hoare annotation was computed. [2018-10-26 20:16:59,588 INFO L425 ceAbstractionStarter]: For program point L28(lines 28 30) no Hoare annotation was computed. [2018-10-26 20:16:59,588 INFO L425 ceAbstractionStarter]: For program point L24(lines 24 41) no Hoare annotation was computed. [2018-10-26 20:16:59,588 INFO L425 ceAbstractionStarter]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2018-10-26 20:16:59,589 INFO L421 ceAbstractionStarter]: At program point L16-3(lines 16 20) the Hoare annotation is: (= |floor_float_#in~x| floor_float_~x) [2018-10-26 20:16:59,589 INFO L425 ceAbstractionStarter]: For program point L16-4(lines 16 20) no Hoare annotation was computed. [2018-10-26 20:16:59,589 INFO L425 ceAbstractionStarter]: For program point L37(lines 37 38) no Hoare annotation was computed. [2018-10-26 20:16:59,589 INFO L425 ceAbstractionStarter]: For program point L37-2(lines 37 38) no Hoare annotation was computed. [2018-10-26 20:16:59,589 INFO L425 ceAbstractionStarter]: For program point floor_floatEXIT(lines 13 54) no Hoare annotation was computed. [2018-10-26 20:16:59,589 INFO L425 ceAbstractionStarter]: For program point L25(lines 25 31) no Hoare annotation was computed. [2018-10-26 20:16:59,589 INFO L425 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2018-10-26 20:16:59,589 INFO L425 ceAbstractionStarter]: For program point floor_floatFINAL(lines 13 54) no Hoare annotation was computed. [2018-10-26 20:16:59,590 INFO L425 ceAbstractionStarter]: For program point L26(lines 26 30) no Hoare annotation was computed. [2018-10-26 20:16:59,590 INFO L428 ceAbstractionStarter]: At program point floor_floatENTRY(lines 13 54) the Hoare annotation is: true [2018-10-26 20:16:59,590 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 46) no Hoare annotation was computed. [2018-10-26 20:16:59,590 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 20:16:59,594 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-10-26 20:16:59,594 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 20:16:59,595 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 20:16:59,595 INFO L425 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2018-10-26 20:16:59,595 INFO L421 ceAbstractionStarter]: At program point L79(line 79) the Hoare annotation is: (let ((.cse0 (fp.div RNE ((_ to_fp 8 24) RNE 1.0) (_ +zero 8 24)))) (and (= .cse0 main_~x~0) (= (fp.add RNE .cse0 .cse0) main_~res~0))) [2018-10-26 20:16:59,595 INFO L425 ceAbstractionStarter]: For program point L79-1(lines 79 82) no Hoare annotation was computed. [2018-10-26 20:16:59,595 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 68 85) the Hoare annotation is: true [2018-10-26 20:16:59,595 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 68 85) no Hoare annotation was computed. [2018-10-26 20:16:59,596 INFO L421 ceAbstractionStarter]: At program point L76(line 76) the Hoare annotation is: (= (fp.div RNE ((_ to_fp 8 24) RNE 1.0) (_ +zero 8 24)) main_~x~0) [2018-10-26 20:16:59,596 INFO L425 ceAbstractionStarter]: For program point L76-1(line 76) no Hoare annotation was computed. [2018-10-26 20:16:59,596 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 80) no Hoare annotation was computed. [2018-10-26 20:16:59,596 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 68 85) no Hoare annotation was computed. [2018-10-26 20:16:59,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 08:16:59 BoogieIcfgContainer [2018-10-26 20:16:59,615 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 20:16:59,615 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:16:59,616 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:16:59,616 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:16:59,616 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:16:53" (3/4) ... [2018-10-26 20:16:59,622 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 20:16:59,629 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 20:16:59,630 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_float [2018-10-26 20:16:59,630 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure floor_float [2018-10-26 20:16:59,631 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 20:16:59,644 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2018-10-26 20:16:59,646 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2018-10-26 20:16:59,647 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-10-26 20:16:59,682 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-10-26 20:16:59,683 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-10-26 20:16:59,735 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_584c3cfa-03ba-446c-a840-71d1c058f06a/bin-2019/utaipan/witness.graphml [2018-10-26 20:16:59,743 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:16:59,744 INFO L168 Benchmark]: Toolchain (without parser) took 8324.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 953.2 MB in the beginning and 941.1 MB in the end (delta: 12.2 MB). Peak memory consumption was 160.0 MB. Max. memory is 11.5 GB. [2018-10-26 20:16:59,744 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:16:59,745 INFO L168 Benchmark]: CACSL2BoogieTranslator took 306.08 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-26 20:16:59,745 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.59 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:16:59,745 INFO L168 Benchmark]: Boogie Preprocessor took 35.88 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:16:59,746 INFO L168 Benchmark]: RCFGBuilder took 1261.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -178.5 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. [2018-10-26 20:16:59,755 INFO L168 Benchmark]: TraceAbstraction took 6538.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 947.6 MB in the end (delta: 168.1 MB). Peak memory consumption was 168.1 MB. Max. memory is 11.5 GB. [2018-10-26 20:16:59,756 INFO L168 Benchmark]: Witness Printer took 127.34 ms. Allocated memory is still 1.2 GB. Free memory was 947.6 MB in the beginning and 941.1 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2018-10-26 20:16:59,758 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 306.08 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.59 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.88 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1261.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -178.5 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6538.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 947.6 MB in the end (delta: 168.1 MB). Peak memory consumption was 168.1 MB. Max. memory is 11.5 GB. * Witness Printer took 127.34 ms. Allocated memory is still 1.2 GB. Free memory was 947.6 MB in the beginning and 941.1 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 80]: 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: 59]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: \old(x) == x - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 41 locations, 1 error locations. SAFE Result, 6.4s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 4.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 120 SDtfs, 164 SDslu, 388 SDs, 0 SdLazy, 258 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, 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, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 16 PreInvPairs, 19 NumberOfFragments, 45 HoareAnnotationTreeSize, 16 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 99 NumberOfCodeBlocks, 99 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 95 ConstructedInterpolants, 11 QuantifiedInterpolants, 11309 SizeOfPredicates, 30 NumberOfNonLiveVariables, 374 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...