./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1071_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3f039a62-d896-4175-bdeb-9cf89f2fedb1/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3f039a62-d896-4175-bdeb-9cf89f2fedb1/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3f039a62-d896-4175-bdeb-9cf89f2fedb1/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3f039a62-d896-4175-bdeb-9cf89f2fedb1/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1071_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3f039a62-d896-4175-bdeb-9cf89f2fedb1/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3f039a62-d896-4175-bdeb-9cf89f2fedb1/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 922786d1b563f399f230d6bc6e72c1342da4d1a5 ........................................................................................................................................................................................................................................................................................................................ 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_3f039a62-d896-4175-bdeb-9cf89f2fedb1/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3f039a62-d896-4175-bdeb-9cf89f2fedb1/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3f039a62-d896-4175-bdeb-9cf89f2fedb1/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3f039a62-d896-4175-bdeb-9cf89f2fedb1/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1071_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3f039a62-d896-4175-bdeb-9cf89f2fedb1/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3f039a62-d896-4175-bdeb-9cf89f2fedb1/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 922786d1b563f399f230d6bc6e72c1342da4d1a5 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 15:53:03,950 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 15:53:03,951 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 15:53:03,958 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 15:53:03,959 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 15:53:03,959 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 15:53:03,960 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 15:53:03,961 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 15:53:03,962 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 15:53:03,963 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 15:53:03,964 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 15:53:03,964 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 15:53:03,965 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 15:53:03,965 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 15:53:03,966 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 15:53:03,966 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 15:53:03,966 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 15:53:03,968 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 15:53:03,969 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 15:53:03,969 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 15:53:03,970 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 15:53:03,971 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 15:53:03,972 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 15:53:03,973 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 15:53:03,973 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 15:53:03,973 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 15:53:03,974 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 15:53:03,974 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 15:53:03,975 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 15:53:03,975 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 15:53:03,975 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 15:53:03,976 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 15:53:03,976 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 15:53:03,976 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 15:53:03,977 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 15:53:03,977 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 15:53:03,978 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3f039a62-d896-4175-bdeb-9cf89f2fedb1/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 15:53:03,988 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 15:53:03,988 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 15:53:03,989 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 15:53:03,989 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 15:53:03,989 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 15:53:03,989 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 15:53:03,989 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 15:53:03,989 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 15:53:03,990 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 15:53:03,990 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 15:53:03,990 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 15:53:03,990 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 15:53:03,990 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 15:53:03,991 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 15:53:03,991 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 15:53:03,991 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 15:53:03,991 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 15:53:03,991 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 15:53:03,992 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 15:53:03,992 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 15:53:03,992 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 15:53:03,992 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 15:53:03,992 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 15:53:03,992 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 15:53:03,992 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 15:53:03,993 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 15:53:03,993 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 15:53:03,993 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 15:53:03,993 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 15:53:03,993 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 15:53:03,993 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 15:53:03,994 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 15:53:03,994 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 15:53:03,994 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 15:53:03,994 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 15:53:03,994 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 15:53:03,994 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_3f039a62-d896-4175-bdeb-9cf89f2fedb1/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 -> 922786d1b563f399f230d6bc6e72c1342da4d1a5 [2018-12-09 15:53:04,017 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 15:53:04,023 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 15:53:04,025 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 15:53:04,026 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 15:53:04,026 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 15:53:04,027 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3f039a62-d896-4175-bdeb-9cf89f2fedb1/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1071_true-unreach-call.c [2018-12-09 15:53:04,062 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3f039a62-d896-4175-bdeb-9cf89f2fedb1/bin-2019/utaipan/data/fd1708eca/8c3d6b8b38a644ccae65b54948f9348e/FLAGd659451d7 [2018-12-09 15:53:04,407 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 15:53:04,407 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3f039a62-d896-4175-bdeb-9cf89f2fedb1/sv-benchmarks/c/float-newlib/double_req_bl_1071_true-unreach-call.c [2018-12-09 15:53:04,411 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3f039a62-d896-4175-bdeb-9cf89f2fedb1/bin-2019/utaipan/data/fd1708eca/8c3d6b8b38a644ccae65b54948f9348e/FLAGd659451d7 [2018-12-09 15:53:04,789 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3f039a62-d896-4175-bdeb-9cf89f2fedb1/bin-2019/utaipan/data/fd1708eca/8c3d6b8b38a644ccae65b54948f9348e [2018-12-09 15:53:04,791 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 15:53:04,792 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 15:53:04,793 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 15:53:04,793 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 15:53:04,795 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 15:53:04,795 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:53:04" (1/1) ... [2018-12-09 15:53:04,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aeeb41d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:04, skipping insertion in model container [2018-12-09 15:53:04,797 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:53:04" (1/1) ... [2018-12-09 15:53:04,802 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 15:53:04,812 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 15:53:04,906 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 15:53:04,908 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 15:53:04,923 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 15:53:04,936 INFO L195 MainTranslator]: Completed translation [2018-12-09 15:53:04,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:04 WrapperNode [2018-12-09 15:53:04,936 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 15:53:04,937 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 15:53:04,937 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 15:53:04,937 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 15:53:04,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:04" (1/1) ... [2018-12-09 15:53:04,947 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:04" (1/1) ... [2018-12-09 15:53:04,951 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 15:53:04,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 15:53:04,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 15:53:04,952 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 15:53:04,988 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:04" (1/1) ... [2018-12-09 15:53:04,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:04" (1/1) ... [2018-12-09 15:53:04,990 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:04" (1/1) ... [2018-12-09 15:53:04,990 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:04" (1/1) ... [2018-12-09 15:53:05,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:04" (1/1) ... [2018-12-09 15:53:05,005 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:04" (1/1) ... [2018-12-09 15:53:05,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:04" (1/1) ... [2018-12-09 15:53:05,008 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 15:53:05,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 15:53:05,008 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 15:53:05,008 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 15:53:05,009 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f039a62-d896-4175-bdeb-9cf89f2fedb1/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 15:53:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-09 15:53:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 15:53:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-12-09 15:53:05,043 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-12-09 15:53:05,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 15:53:05,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 15:53:05,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-09 15:53:05,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 15:53:05,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 15:53:05,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 15:53:05,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 15:53:05,043 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 15:53:05,044 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 15:53:05,044 INFO L130 BoogieDeclarations]: Found specification of procedure trunc_double [2018-12-09 15:53:05,044 INFO L138 BoogieDeclarations]: Found implementation of procedure trunc_double [2018-12-09 15:53:05,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 15:53:05,215 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 15:53:05,215 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-09 15:53:05,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:53:05 BoogieIcfgContainer [2018-12-09 15:53:05,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 15:53:05,216 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 15:53:05,216 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 15:53:05,218 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 15:53:05,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 03:53:04" (1/3) ... [2018-12-09 15:53:05,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30a9be5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:53:05, skipping insertion in model container [2018-12-09 15:53:05,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:04" (2/3) ... [2018-12-09 15:53:05,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30a9be5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:53:05, skipping insertion in model container [2018-12-09 15:53:05,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:53:05" (3/3) ... [2018-12-09 15:53:05,221 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1071_true-unreach-call.c [2018-12-09 15:53:05,228 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 15:53:05,232 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 15:53:05,241 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 15:53:05,258 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 15:53:05,258 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 15:53:05,258 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 15:53:05,258 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 15:53:05,258 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 15:53:05,259 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 15:53:05,259 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 15:53:05,259 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 15:53:05,268 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2018-12-09 15:53:05,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 15:53:05,271 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:53:05,272 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:53:05,273 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:53:05,276 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:53:05,276 INFO L82 PathProgramCache]: Analyzing trace with hash -452059413, now seen corresponding path program 1 times [2018-12-09 15:53:05,277 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:53:05,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:53:05,308 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:53:05,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:53:05,308 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:53:05,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:05,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:53:05,357 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:53:05,357 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 15:53:05,357 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:53:05,360 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 15:53:05,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 15:53:05,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 15:53:05,369 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 2 states. [2018-12-09 15:53:05,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:53:05,380 INFO L93 Difference]: Finished difference Result 66 states and 90 transitions. [2018-12-09 15:53:05,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 15:53:05,381 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-12-09 15:53:05,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:53:05,387 INFO L225 Difference]: With dead ends: 66 [2018-12-09 15:53:05,387 INFO L226 Difference]: Without dead ends: 33 [2018-12-09 15:53:05,389 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 15:53:05,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-12-09 15:53:05,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-12-09 15:53:05,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-12-09 15:53:05,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 36 transitions. [2018-12-09 15:53:05,411 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 36 transitions. Word has length 23 [2018-12-09 15:53:05,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:53:05,411 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 36 transitions. [2018-12-09 15:53:05,411 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 15:53:05,411 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2018-12-09 15:53:05,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 15:53:05,412 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:53:05,412 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:53:05,412 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:53:05,412 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:53:05,412 INFO L82 PathProgramCache]: Analyzing trace with hash -1570049965, now seen corresponding path program 1 times [2018-12-09 15:53:05,412 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:53:05,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:53:05,413 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:53:05,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:53:05,413 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:53:05,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 15:53:05,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 15:53:05,467 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 15:53:05,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 03:53:05 BoogieIcfgContainer [2018-12-09 15:53:05,484 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 15:53:05,484 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 15:53:05,484 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 15:53:05,484 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 15:53:05,484 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:53:05" (3/4) ... [2018-12-09 15:53:05,486 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 15:53:05,486 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 15:53:05,487 INFO L168 Benchmark]: Toolchain (without parser) took 695.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 954.9 MB in the beginning and 1.0 GB in the end (delta: -94.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2018-12-09 15:53:05,488 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 15:53:05,488 INFO L168 Benchmark]: CACSL2BoogieTranslator took 143.89 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 944.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 15:53:05,489 INFO L168 Benchmark]: Boogie Procedure Inliner took 14.76 ms. Allocated memory is still 1.0 GB. Free memory was 944.2 MB in the beginning and 938.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 15:53:05,489 INFO L168 Benchmark]: Boogie Preprocessor took 56.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 938.8 MB in the beginning and 1.1 GB in the end (delta: -166.1 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-12-09 15:53:05,489 INFO L168 Benchmark]: RCFGBuilder took 207.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2018-12-09 15:53:05,490 INFO L168 Benchmark]: TraceAbstraction took 267.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. [2018-12-09 15:53:05,490 INFO L168 Benchmark]: Witness Printer took 2.62 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 15:53:05,492 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 143.89 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 944.2 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 14.76 ms. Allocated memory is still 1.0 GB. Free memory was 944.2 MB in the beginning and 938.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 938.8 MB in the beginning and 1.1 GB in the end (delta: -166.1 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 207.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 267.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. * Witness Printer took 2.62 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 74]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 15, overapproximation of someBinaryArithmeticDOUBLEoperation at line 49, overapproximation of bitwiseAnd at line 28. Possible FailurePath: [L68] double x = 0.0 / 0.0; [L70] CALL, EXPR trunc_double(x) VAL [\old(x)=9] [L18] int signbit; [L19] int msw; [L20] unsigned int lsw; [L21] int exponent_less_1023; VAL [\old(x)=9, x=9] [L23] ieee_double_shape_type ew_u; [L24] ew_u.value = (x) [L25] EXPR ew_u.parts.msw [L25] (msw) = ew_u.parts.msw [L26] EXPR ew_u.parts.lsw [L26] (lsw) = ew_u.parts.lsw [L28] signbit = msw & 0x80000000 [L29] exponent_less_1023 = ((msw & 0x7ff00000) >> 20) - 1023 VAL [\old(x)=9, exponent_less_1023=1024, lsw=13, msw=3, signbit=-1, x=9] [L30] COND FALSE !(exponent_less_1023 < 20) VAL [\old(x)=9, exponent_less_1023=1024, lsw=13, msw=3, signbit=-1, x=9] [L47] COND TRUE exponent_less_1023 > 51 VAL [\old(x)=9, exponent_less_1023=1024, lsw=13, msw=3, signbit=-1, x=9] [L48] COND TRUE exponent_less_1023 == 1024 [L49] return x + x; VAL [\old(x)=9, exponent_less_1023=1024, lsw=13, msw=3, signbit=-1, x=9] [L70] RET, EXPR trunc_double(x) VAL [trunc_double(x)=16, x=9] [L70] double res = trunc_double(x); [L73] CALL, EXPR isnan_double(res) VAL [\old(x)=16] [L15] return x != x; VAL [\old(x)=16, \result=0, x=16] [L73] RET, EXPR isnan_double(res) VAL [isnan_double(res)=0, res=16, x=9] [L73] COND TRUE !isnan_double(res) [L74] __VERIFIER_error() VAL [res=16, x=9] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 37 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 40 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=37occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 484 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 0.1.23-635dfa2 [2018-12-09 15:53:06,755 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 15:53:06,756 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 15:53:06,762 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 15:53:06,763 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 15:53:06,763 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 15:53:06,764 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 15:53:06,765 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 15:53:06,766 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 15:53:06,767 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 15:53:06,767 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 15:53:06,767 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 15:53:06,768 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 15:53:06,769 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 15:53:06,769 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 15:53:06,770 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 15:53:06,770 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 15:53:06,771 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 15:53:06,773 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 15:53:06,774 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 15:53:06,774 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 15:53:06,775 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 15:53:06,776 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 15:53:06,776 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 15:53:06,776 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 15:53:06,777 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 15:53:06,777 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 15:53:06,777 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 15:53:06,778 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 15:53:06,778 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 15:53:06,778 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 15:53:06,779 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 15:53:06,779 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 15:53:06,779 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 15:53:06,780 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 15:53:06,780 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 15:53:06,780 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3f039a62-d896-4175-bdeb-9cf89f2fedb1/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 15:53:06,791 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 15:53:06,791 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 15:53:06,791 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 15:53:06,792 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 15:53:06,792 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 15:53:06,792 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 15:53:06,792 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 15:53:06,792 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 15:53:06,792 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 15:53:06,792 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 15:53:06,793 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 15:53:06,793 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 15:53:06,793 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 15:53:06,793 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 15:53:06,794 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 15:53:06,794 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 15:53:06,794 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 15:53:06,794 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 15:53:06,794 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 15:53:06,794 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 15:53:06,794 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 15:53:06,794 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 15:53:06,795 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 15:53:06,795 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 15:53:06,795 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 15:53:06,795 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 15:53:06,795 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 15:53:06,795 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 15:53:06,795 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 15:53:06,796 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 15:53:06,796 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 15:53:06,796 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 15:53:06,796 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 15:53:06,796 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 15:53:06,796 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 15:53:06,796 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_3f039a62-d896-4175-bdeb-9cf89f2fedb1/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 -> 922786d1b563f399f230d6bc6e72c1342da4d1a5 [2018-12-09 15:53:06,820 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 15:53:06,827 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 15:53:06,829 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 15:53:06,830 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 15:53:06,830 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 15:53:06,831 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3f039a62-d896-4175-bdeb-9cf89f2fedb1/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1071_true-unreach-call.c [2018-12-09 15:53:06,865 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3f039a62-d896-4175-bdeb-9cf89f2fedb1/bin-2019/utaipan/data/cd2c847c8/3c3b52433c9f40fcb8c4b75998b6a11c/FLAG4646863a4 [2018-12-09 15:53:07,287 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 15:53:07,288 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3f039a62-d896-4175-bdeb-9cf89f2fedb1/sv-benchmarks/c/float-newlib/double_req_bl_1071_true-unreach-call.c [2018-12-09 15:53:07,291 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3f039a62-d896-4175-bdeb-9cf89f2fedb1/bin-2019/utaipan/data/cd2c847c8/3c3b52433c9f40fcb8c4b75998b6a11c/FLAG4646863a4 [2018-12-09 15:53:07,299 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3f039a62-d896-4175-bdeb-9cf89f2fedb1/bin-2019/utaipan/data/cd2c847c8/3c3b52433c9f40fcb8c4b75998b6a11c [2018-12-09 15:53:07,301 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 15:53:07,302 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 15:53:07,302 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 15:53:07,302 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 15:53:07,305 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 15:53:07,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:53:07" (1/1) ... [2018-12-09 15:53:07,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b7a218c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:07, skipping insertion in model container [2018-12-09 15:53:07,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:53:07" (1/1) ... [2018-12-09 15:53:07,314 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 15:53:07,326 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 15:53:07,428 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 15:53:07,431 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 15:53:07,449 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 15:53:07,465 INFO L195 MainTranslator]: Completed translation [2018-12-09 15:53:07,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:07 WrapperNode [2018-12-09 15:53:07,466 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 15:53:07,466 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 15:53:07,466 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 15:53:07,466 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 15:53:07,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:07" (1/1) ... [2018-12-09 15:53:07,478 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:07" (1/1) ... [2018-12-09 15:53:07,482 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 15:53:07,482 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 15:53:07,482 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 15:53:07,482 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 15:53:07,488 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:07" (1/1) ... [2018-12-09 15:53:07,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:07" (1/1) ... [2018-12-09 15:53:07,490 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:07" (1/1) ... [2018-12-09 15:53:07,490 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:07" (1/1) ... [2018-12-09 15:53:07,498 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:07" (1/1) ... [2018-12-09 15:53:07,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:07" (1/1) ... [2018-12-09 15:53:07,503 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:07" (1/1) ... [2018-12-09 15:53:07,506 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 15:53:07,506 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 15:53:07,507 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 15:53:07,507 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 15:53:07,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f039a62-d896-4175-bdeb-9cf89f2fedb1/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 15:53:07,579 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-12-09 15:53:07,579 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-12-09 15:53:07,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-09 15:53:07,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 15:53:07,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 15:53:07,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 15:53:07,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 15:53:07,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-09 15:53:07,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 15:53:07,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 15:53:07,579 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 15:53:07,579 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 15:53:07,580 INFO L130 BoogieDeclarations]: Found specification of procedure trunc_double [2018-12-09 15:53:07,580 INFO L138 BoogieDeclarations]: Found implementation of procedure trunc_double [2018-12-09 15:53:07,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 15:53:07,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 15:53:07,788 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:53:07,821 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 15:53:07,821 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-09 15:53:07,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:53:07 BoogieIcfgContainer [2018-12-09 15:53:07,821 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 15:53:07,822 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 15:53:07,822 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 15:53:07,823 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 15:53:07,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 03:53:07" (1/3) ... [2018-12-09 15:53:07,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f9cb118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:53:07, skipping insertion in model container [2018-12-09 15:53:07,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:07" (2/3) ... [2018-12-09 15:53:07,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f9cb118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:53:07, skipping insertion in model container [2018-12-09 15:53:07,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:53:07" (3/3) ... [2018-12-09 15:53:07,825 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1071_true-unreach-call.c [2018-12-09 15:53:07,830 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 15:53:07,835 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 15:53:07,843 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 15:53:07,859 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 15:53:07,860 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 15:53:07,860 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 15:53:07,860 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 15:53:07,860 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 15:53:07,860 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 15:53:07,860 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 15:53:07,860 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 15:53:07,860 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 15:53:07,869 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2018-12-09 15:53:07,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 15:53:07,872 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:53:07,873 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:53:07,874 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:53:07,877 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:53:07,877 INFO L82 PathProgramCache]: Analyzing trace with hash -667271772, now seen corresponding path program 1 times [2018-12-09 15:53:07,879 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 15:53:07,880 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f039a62-d896-4175-bdeb-9cf89f2fedb1/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 [2018-12-09 15:53:07,884 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:53:07,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:07,955 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 15:53:07,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:53:07,966 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 15:53:07,977 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:53:07,978 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 15:53:07,980 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 15:53:07,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 15:53:07,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 15:53:07,988 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 2 states. [2018-12-09 15:53:08,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:53:08,000 INFO L93 Difference]: Finished difference Result 64 states and 88 transitions. [2018-12-09 15:53:08,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 15:53:08,001 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-12-09 15:53:08,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:53:08,008 INFO L225 Difference]: With dead ends: 64 [2018-12-09 15:53:08,009 INFO L226 Difference]: Without dead ends: 32 [2018-12-09 15:53:08,011 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 15:53:08,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-12-09 15:53:08,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-12-09 15:53:08,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-12-09 15:53:08,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2018-12-09 15:53:08,035 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 22 [2018-12-09 15:53:08,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:53:08,035 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2018-12-09 15:53:08,036 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 15:53:08,036 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2018-12-09 15:53:08,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 15:53:08,036 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:53:08,037 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:53:08,037 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:53:08,037 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:53:08,037 INFO L82 PathProgramCache]: Analyzing trace with hash 1969483353, now seen corresponding path program 1 times [2018-12-09 15:53:08,038 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 15:53:08,038 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f039a62-d896-4175-bdeb-9cf89f2fedb1/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 [2018-12-09 15:53:08,041 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:53:08,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:08,111 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 15:53:08,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:53:08,970 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 15:53:08,977 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:53:08,978 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 15:53:08,979 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 15:53:08,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 15:53:08,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-09 15:53:08,979 INFO L87 Difference]: Start difference. First operand 32 states and 35 transitions. Second operand 9 states. [2018-12-09 15:53:10,348 WARN L180 SmtUtils]: Spent 564.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-12-09 15:53:11,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:53:11,281 INFO L93 Difference]: Finished difference Result 42 states and 45 transitions. [2018-12-09 15:53:11,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 15:53:11,282 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2018-12-09 15:53:11,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:53:11,283 INFO L225 Difference]: With dead ends: 42 [2018-12-09 15:53:11,284 INFO L226 Difference]: Without dead ends: 35 [2018-12-09 15:53:11,284 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-09 15:53:11,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-12-09 15:53:11,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 32. [2018-12-09 15:53:11,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-12-09 15:53:11,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 34 transitions. [2018-12-09 15:53:11,291 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 34 transitions. Word has length 23 [2018-12-09 15:53:11,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:53:11,291 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 34 transitions. [2018-12-09 15:53:11,291 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 15:53:11,292 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2018-12-09 15:53:11,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 15:53:11,292 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:53:11,293 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:53:11,293 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:53:11,293 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:53:11,293 INFO L82 PathProgramCache]: Analyzing trace with hash -1200957863, now seen corresponding path program 1 times [2018-12-09 15:53:11,294 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 15:53:11,294 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f039a62-d896-4175-bdeb-9cf89f2fedb1/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-09 15:53:11,297 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:53:11,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:11,330 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 15:53:11,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:53:11,444 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 15:53:11,452 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:53:11,452 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 15:53:11,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 15:53:11,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 15:53:11,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-09 15:53:11,453 INFO L87 Difference]: Start difference. First operand 32 states and 34 transitions. Second operand 9 states. [2018-12-09 15:53:11,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:53:11,810 INFO L93 Difference]: Finished difference Result 40 states and 42 transitions. [2018-12-09 15:53:11,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 15:53:11,810 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2018-12-09 15:53:11,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:53:11,811 INFO L225 Difference]: With dead ends: 40 [2018-12-09 15:53:11,811 INFO L226 Difference]: Without dead ends: 31 [2018-12-09 15:53:11,811 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-09 15:53:11,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-12-09 15:53:11,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-12-09 15:53:11,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-12-09 15:53:11,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions. [2018-12-09 15:53:11,814 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 24 [2018-12-09 15:53:11,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:53:11,815 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 32 transitions. [2018-12-09 15:53:11,815 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 15:53:11,815 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2018-12-09 15:53:11,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 15:53:11,815 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:53:11,815 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:53:11,815 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:53:11,816 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:53:11,816 INFO L82 PathProgramCache]: Analyzing trace with hash 505464083, now seen corresponding path program 1 times [2018-12-09 15:53:11,816 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 15:53:11,816 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f039a62-d896-4175-bdeb-9cf89f2fedb1/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 [2018-12-09 15:53:11,819 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:53:11,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:11,862 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 15:53:12,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:53:12,015 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 15:53:12,027 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:53:12,027 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 15:53:12,027 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 15:53:12,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 15:53:12,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-12-09 15:53:12,028 INFO L87 Difference]: Start difference. First operand 31 states and 32 transitions. Second operand 8 states. [2018-12-09 15:53:12,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:53:12,677 INFO L93 Difference]: Finished difference Result 42 states and 42 transitions. [2018-12-09 15:53:12,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 15:53:12,678 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2018-12-09 15:53:12,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:53:12,678 INFO L225 Difference]: With dead ends: 42 [2018-12-09 15:53:12,678 INFO L226 Difference]: Without dead ends: 28 [2018-12-09 15:53:12,679 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2018-12-09 15:53:12,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-12-09 15:53:12,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-12-09 15:53:12,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-12-09 15:53:12,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2018-12-09 15:53:12,682 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 28 transitions. Word has length 25 [2018-12-09 15:53:12,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:53:12,682 INFO L480 AbstractCegarLoop]: Abstraction has 28 states and 28 transitions. [2018-12-09 15:53:12,682 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 15:53:12,682 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2018-12-09 15:53:12,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 15:53:12,682 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:53:12,682 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:53:12,683 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:53:12,683 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:53:12,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1157487195, now seen corresponding path program 1 times [2018-12-09 15:53:12,683 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 15:53:12,683 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f039a62-d896-4175-bdeb-9cf89f2fedb1/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-12-09 15:53:12,686 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:53:12,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:12,727 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 15:53:12,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:53:12,816 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 15:53:12,824 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:53:12,824 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 15:53:12,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 15:53:12,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 15:53:12,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 15:53:12,825 INFO L87 Difference]: Start difference. First operand 28 states and 28 transitions. Second operand 7 states. [2018-12-09 15:53:13,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:53:13,215 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2018-12-09 15:53:13,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 15:53:13,216 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2018-12-09 15:53:13,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:53:13,216 INFO L225 Difference]: With dead ends: 28 [2018-12-09 15:53:13,216 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 15:53:13,217 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-09 15:53:13,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 15:53:13,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 15:53:13,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 15:53:13,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 15:53:13,218 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2018-12-09 15:53:13,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:53:13,218 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 15:53:13,218 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 15:53:13,218 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 15:53:13,218 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 15:53:13,221 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 15:53:13,492 INFO L451 ceAbstractionStarter]: At program point isnan_doubleENTRY(line 15) the Hoare annotation is: true [2018-12-09 15:53:13,492 INFO L448 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 15) no Hoare annotation was computed. [2018-12-09 15:53:13,492 INFO L448 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 15) no Hoare annotation was computed. [2018-12-09 15:53:13,492 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 15:53:13,492 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 15:53:13,493 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 15:53:13,493 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 15:53:13,493 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-09 15:53:13,493 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 15:53:13,493 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 15:53:13,493 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 62 79) the Hoare annotation is: true [2018-12-09 15:53:13,493 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 62 79) no Hoare annotation was computed. [2018-12-09 15:53:13,493 INFO L448 ceAbstractionStarter]: For program point L74(line 74) no Hoare annotation was computed. [2018-12-09 15:53:13,493 INFO L444 ceAbstractionStarter]: At program point L73(line 73) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (and (= main_~x~0 .cse0) (= main_~res~0 .cse0))) [2018-12-09 15:53:13,493 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 62 79) no Hoare annotation was computed. [2018-12-09 15:53:13,493 INFO L448 ceAbstractionStarter]: For program point L73-1(lines 73 76) no Hoare annotation was computed. [2018-12-09 15:53:13,494 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 74) no Hoare annotation was computed. [2018-12-09 15:53:13,494 INFO L444 ceAbstractionStarter]: At program point L70(line 70) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53))) [2018-12-09 15:53:13,494 INFO L448 ceAbstractionStarter]: For program point L70-1(line 70) no Hoare annotation was computed. [2018-12-09 15:53:13,494 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 46) no Hoare annotation was computed. [2018-12-09 15:53:13,494 INFO L448 ceAbstractionStarter]: For program point L52-1(lines 52 57) no Hoare annotation was computed. [2018-12-09 15:53:13,494 INFO L444 ceAbstractionStarter]: At program point L52-2(lines 52 57) the Hoare annotation is: (and (exists ((v_prenex_5 (_ BitVec 64))) (let ((.cse0 (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_prenex_5)) (_ bv20 32)) (_ bv4294966273 32)))) (and (= (fp ((_ extract 63 63) v_prenex_5) ((_ extract 62 52) v_prenex_5) ((_ extract 51 0) v_prenex_5)) |trunc_double_#in~x|) (not (bvslt .cse0 (_ bv20 32))) (not (bvsgt .cse0 (_ bv51 32)))))) (exists ((v_prenex_5 (_ BitVec 64))) (and (= ((_ extract 63 32) v_prenex_5) trunc_double_~msw~0) (= (fp ((_ extract 63 63) v_prenex_5) ((_ extract 62 52) v_prenex_5) ((_ extract 51 0) v_prenex_5)) |trunc_double_#in~x|))) (exists ((v_prenex_5 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_prenex_5) ((_ extract 62 52) v_prenex_5) ((_ extract 51 0) v_prenex_5)) |trunc_double_#in~x|) (= (bvadd trunc_double_~exponent_less_1023~0 (_ bv1023 32)) (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_prenex_5)) (_ bv20 32))))) (= trunc_double_~x |trunc_double_#in~x|)) [2018-12-09 15:53:13,494 INFO L448 ceAbstractionStarter]: For program point L52-3(lines 30 58) no Hoare annotation was computed. [2018-12-09 15:53:13,495 INFO L448 ceAbstractionStarter]: For program point L48(lines 48 50) no Hoare annotation was computed. [2018-12-09 15:53:13,495 INFO L448 ceAbstractionStarter]: For program point L32-1(lines 32 37) no Hoare annotation was computed. [2018-12-09 15:53:13,495 INFO L444 ceAbstractionStarter]: At program point L32-2(lines 32 37) the Hoare annotation is: (and (exists ((v_prenex_6 (_ BitVec 64))) (and (bvslt (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_prenex_6)) (_ bv20 32)) (_ bv4294966273 32)) (_ bv20 32)) (= (fp ((_ extract 63 63) v_prenex_6) ((_ extract 62 52) v_prenex_6) ((_ extract 51 0) v_prenex_6)) |trunc_double_#in~x|))) (exists ((v_prenex_5 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_prenex_5) ((_ extract 62 52) v_prenex_5) ((_ extract 51 0) v_prenex_5)) |trunc_double_#in~x|) (= (bvadd trunc_double_~exponent_less_1023~0 (_ bv1023 32)) (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_prenex_5)) (_ bv20 32))))) (= trunc_double_~x |trunc_double_#in~x|) (exists ((v_prenex_6 (_ BitVec 64))) (and (= trunc_double_~msw~0 ((_ extract 63 32) v_prenex_6)) (= (fp ((_ extract 63 63) v_prenex_6) ((_ extract 62 52) v_prenex_6) ((_ extract 51 0) v_prenex_6)) |trunc_double_#in~x|)))) [2018-12-09 15:53:13,495 INFO L451 ceAbstractionStarter]: At program point trunc_doubleENTRY(lines 17 60) the Hoare annotation is: true [2018-12-09 15:53:13,495 INFO L448 ceAbstractionStarter]: For program point trunc_doubleEXIT(lines 17 60) no Hoare annotation was computed. [2018-12-09 15:53:13,495 INFO L448 ceAbstractionStarter]: For program point trunc_doubleFINAL(lines 17 60) no Hoare annotation was computed. [2018-12-09 15:53:13,495 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 58) no Hoare annotation was computed. [2018-12-09 15:53:13,496 INFO L448 ceAbstractionStarter]: For program point L22-1(lines 22 27) no Hoare annotation was computed. [2018-12-09 15:53:13,496 INFO L444 ceAbstractionStarter]: At program point L22-2(lines 22 27) the Hoare annotation is: (= trunc_double_~x |trunc_double_#in~x|) [2018-12-09 15:53:13,496 INFO L448 ceAbstractionStarter]: For program point L22-3(lines 22 27) no Hoare annotation was computed. [2018-12-09 15:53:13,496 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 58) no Hoare annotation was computed. [2018-12-09 15:53:13,496 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 39 45) no Hoare annotation was computed. [2018-12-09 15:53:13,496 INFO L444 ceAbstractionStarter]: At program point L39-2(lines 39 45) the Hoare annotation is: (and (exists ((v_prenex_6 (_ BitVec 64))) (and (bvslt (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_prenex_6)) (_ bv20 32)) (_ bv4294966273 32)) (_ bv20 32)) (= (fp ((_ extract 63 63) v_prenex_6) ((_ extract 62 52) v_prenex_6) ((_ extract 51 0) v_prenex_6)) |trunc_double_#in~x|))) (exists ((v_prenex_5 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_prenex_5) ((_ extract 62 52) v_prenex_5) ((_ extract 51 0) v_prenex_5)) |trunc_double_#in~x|) (= (bvadd trunc_double_~exponent_less_1023~0 (_ bv1023 32)) (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_prenex_5)) (_ bv20 32))))) (= trunc_double_~x |trunc_double_#in~x|) (exists ((v_prenex_6 (_ BitVec 64))) (and (= trunc_double_~msw~0 ((_ extract 63 32) v_prenex_6)) (= (fp ((_ extract 63 63) v_prenex_6) ((_ extract 62 52) v_prenex_6) ((_ extract 51 0) v_prenex_6)) |trunc_double_#in~x|)))) [2018-12-09 15:53:13,500 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,501 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,501 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,501 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,502 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,502 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,502 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,502 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,502 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,503 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,503 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,503 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,503 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,508 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,508 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,508 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,509 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,509 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,509 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,509 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,509 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,509 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,509 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,509 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,510 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,510 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,511 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,511 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,511 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,511 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,511 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,511 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,512 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,512 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,512 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,512 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,512 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,512 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,512 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,513 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,513 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,513 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,513 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,513 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,513 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,513 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,513 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,514 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,514 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,514 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,514 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,514 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,514 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,514 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,515 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,515 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,515 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,515 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,515 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,515 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,515 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,515 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,516 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,516 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,516 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,516 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,516 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,516 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,516 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,517 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,517 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,517 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,517 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,517 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 03:53:13 BoogieIcfgContainer [2018-12-09 15:53:13,518 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 15:53:13,519 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 15:53:13,519 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 15:53:13,519 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 15:53:13,519 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:53:07" (3/4) ... [2018-12-09 15:53:13,522 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 15:53:13,526 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-12-09 15:53:13,526 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 15:53:13,526 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 15:53:13,526 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure trunc_double [2018-12-09 15:53:13,529 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-12-09 15:53:13,529 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-09 15:53:13,529 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 15:53:13,545 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-12-09 15:53:13,546 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists v_prenex_6 : bv64 :: ~bvslt32(~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_6[63:32]), 20bv32), 4294966273bv32), 20bv32) && ~fp~LONGDOUBLE(v_prenex_6[63:63], v_prenex_6[62:52], v_prenex_6[51:0]) == \old(x)) && (\exists v_prenex_5 : bv64 :: ~fp~LONGDOUBLE(v_prenex_5[63:63], v_prenex_5[62:52], v_prenex_5[51:0]) == \old(x) && ~bvadd64(exponent_less_1023, 1023bv32) == ~bvashr32(~bvand32(2146435072bv32, v_prenex_5[63:32]), 20bv32))) && x == \old(x)) && (\exists v_prenex_6 : bv64 :: msw == v_prenex_6[63:32] && ~fp~LONGDOUBLE(v_prenex_6[63:63], v_prenex_6[62:52], v_prenex_6[51:0]) == \old(x)) [2018-12-09 15:53:13,546 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists v_prenex_6 : bv64 :: ~bvslt32(~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_6[63:32]), 20bv32), 4294966273bv32), 20bv32) && ~fp~LONGDOUBLE(v_prenex_6[63:63], v_prenex_6[62:52], v_prenex_6[51:0]) == \old(x)) && (\exists v_prenex_5 : bv64 :: ~fp~LONGDOUBLE(v_prenex_5[63:63], v_prenex_5[62:52], v_prenex_5[51:0]) == \old(x) && ~bvadd64(exponent_less_1023, 1023bv32) == ~bvashr32(~bvand32(2146435072bv32, v_prenex_5[63:32]), 20bv32))) && x == \old(x)) && (\exists v_prenex_6 : bv64 :: msw == v_prenex_6[63:32] && ~fp~LONGDOUBLE(v_prenex_6[63:63], v_prenex_6[62:52], v_prenex_6[51:0]) == \old(x)) [2018-12-09 15:53:13,546 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists v_prenex_5 : bv64 :: (~fp~LONGDOUBLE(v_prenex_5[63:63], v_prenex_5[62:52], v_prenex_5[51:0]) == \old(x) && !~bvslt32(~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_5[63:32]), 20bv32), 4294966273bv32), 20bv32)) && !~bvsgt32(~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_5[63:32]), 20bv32), 4294966273bv32), 51bv32)) && (\exists v_prenex_5 : bv64 :: v_prenex_5[63:32] == msw && ~fp~LONGDOUBLE(v_prenex_5[63:63], v_prenex_5[62:52], v_prenex_5[51:0]) == \old(x))) && (\exists v_prenex_5 : bv64 :: ~fp~LONGDOUBLE(v_prenex_5[63:63], v_prenex_5[62:52], v_prenex_5[51:0]) == \old(x) && ~bvadd64(exponent_less_1023, 1023bv32) == ~bvashr32(~bvand32(2146435072bv32, v_prenex_5[63:32]), 20bv32))) && x == \old(x) [2018-12-09 15:53:13,560 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3f039a62-d896-4175-bdeb-9cf89f2fedb1/bin-2019/utaipan/witness.graphml [2018-12-09 15:53:13,560 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 15:53:13,561 INFO L168 Benchmark]: Toolchain (without parser) took 6259.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 944.7 MB in the beginning and 889.2 MB in the end (delta: 55.5 MB). Peak memory consumption was 196.0 MB. Max. memory is 11.5 GB. [2018-12-09 15:53:13,561 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 15:53:13,561 INFO L168 Benchmark]: CACSL2BoogieTranslator took 163.51 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 927.3 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-12-09 15:53:13,562 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.73 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 15:53:13,562 INFO L168 Benchmark]: Boogie Preprocessor took 24.16 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 15:53:13,562 INFO L168 Benchmark]: RCFGBuilder took 314.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -183.3 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-12-09 15:53:13,562 INFO L168 Benchmark]: TraceAbstraction took 5696.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 895.9 MB in the end (delta: 214.7 MB). Peak memory consumption was 214.7 MB. Max. memory is 11.5 GB. [2018-12-09 15:53:13,562 INFO L168 Benchmark]: Witness Printer took 41.52 ms. Allocated memory is still 1.2 GB. Free memory was 895.9 MB in the beginning and 889.2 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-09 15:53:13,564 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 163.51 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 927.3 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.73 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.16 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 314.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -183.3 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5696.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 895.9 MB in the end (delta: 214.7 MB). Peak memory consumption was 214.7 MB. Max. memory is 11.5 GB. * Witness Printer took 41.52 ms. Allocated memory is still 1.2 GB. Free memory was 895.9 MB in the beginning and 889.2 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 74]: 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: 52]: Loop Invariant [2018-12-09 15:53:13,568 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,568 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,568 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,568 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,568 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,569 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,569 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,569 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,569 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,569 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,569 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,569 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,569 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,570 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,570 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,570 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,570 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,570 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,570 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,570 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,570 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,571 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,571 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,571 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,571 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,571 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] Derived loop invariant: (((\exists v_prenex_5 : bv64 :: (~fp~LONGDOUBLE(v_prenex_5[63:63], v_prenex_5[62:52], v_prenex_5[51:0]) == \old(x) && !~bvslt32(~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_5[63:32]), 20bv32), 4294966273bv32), 20bv32)) && !~bvsgt32(~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_5[63:32]), 20bv32), 4294966273bv32), 51bv32)) && (\exists v_prenex_5 : bv64 :: v_prenex_5[63:32] == msw && ~fp~LONGDOUBLE(v_prenex_5[63:63], v_prenex_5[62:52], v_prenex_5[51:0]) == \old(x))) && (\exists v_prenex_5 : bv64 :: ~fp~LONGDOUBLE(v_prenex_5[63:63], v_prenex_5[62:52], v_prenex_5[51:0]) == \old(x) && ~bvadd64(exponent_less_1023, 1023bv32) == ~bvashr32(~bvand32(2146435072bv32, v_prenex_5[63:32]), 20bv32))) && x == \old(x) - InvariantResult [Line: 32]: Loop Invariant [2018-12-09 15:53:13,571 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,571 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,572 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,572 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,572 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,572 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,572 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,572 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,572 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,572 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,572 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,572 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,573 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,573 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,573 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,573 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,573 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,573 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,573 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,573 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,574 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,574 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,574 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,574 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] Derived loop invariant: (((\exists v_prenex_6 : bv64 :: ~bvslt32(~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_6[63:32]), 20bv32), 4294966273bv32), 20bv32) && ~fp~LONGDOUBLE(v_prenex_6[63:63], v_prenex_6[62:52], v_prenex_6[51:0]) == \old(x)) && (\exists v_prenex_5 : bv64 :: ~fp~LONGDOUBLE(v_prenex_5[63:63], v_prenex_5[62:52], v_prenex_5[51:0]) == \old(x) && ~bvadd64(exponent_less_1023, 1023bv32) == ~bvashr32(~bvand32(2146435072bv32, v_prenex_5[63:32]), 20bv32))) && x == \old(x)) && (\exists v_prenex_6 : bv64 :: msw == v_prenex_6[63:32] && ~fp~LONGDOUBLE(v_prenex_6[63:63], v_prenex_6[62:52], v_prenex_6[51:0]) == \old(x)) - InvariantResult [Line: 39]: Loop Invariant [2018-12-09 15:53:13,574 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,574 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,574 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,574 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,575 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,575 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,575 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,575 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,575 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,575 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,575 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,575 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,575 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,576 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,576 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,576 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,576 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,576 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,576 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,577 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-09 15:53:13,577 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,577 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,577 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-09 15:53:13,577 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] Derived loop invariant: (((\exists v_prenex_6 : bv64 :: ~bvslt32(~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_6[63:32]), 20bv32), 4294966273bv32), 20bv32) && ~fp~LONGDOUBLE(v_prenex_6[63:63], v_prenex_6[62:52], v_prenex_6[51:0]) == \old(x)) && (\exists v_prenex_5 : bv64 :: ~fp~LONGDOUBLE(v_prenex_5[63:63], v_prenex_5[62:52], v_prenex_5[51:0]) == \old(x) && ~bvadd64(exponent_less_1023, 1023bv32) == ~bvashr32(~bvand32(2146435072bv32, v_prenex_5[63:32]), 20bv32))) && x == \old(x)) && (\exists v_prenex_6 : bv64 :: msw == v_prenex_6[63:32] && ~fp~LONGDOUBLE(v_prenex_6[63:63], v_prenex_6[62:52], v_prenex_6[51:0]) == \old(x)) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: x == \old(x) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 36 locations, 1 error locations. SAFE Result, 5.6s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 3.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 133 SDtfs, 89 SDslu, 488 SDs, 0 SdLazy, 175 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 132 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred 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, 5 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 16 PreInvPairs, 22 NumberOfFragments, 223 HoareAnnotationTreeSize, 16 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 92 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 119 NumberOfCodeBlocks, 119 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 114 ConstructedInterpolants, 18 QuantifiedInterpolants, 16023 SizeOfPredicates, 16 NumberOfNonLiveVariables, 317 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...