./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0270b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_99a87241-1223-4d38-9283-9cc54db2d904/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_99a87241-1223-4d38-9283-9cc54db2d904/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_99a87241-1223-4d38-9283-9cc54db2d904/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_99a87241-1223-4d38-9283-9cc54db2d904/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0270b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_99a87241-1223-4d38-9283-9cc54db2d904/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_99a87241-1223-4d38-9283-9cc54db2d904/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 e244339627025cb250c22854e0eaa32467bc4188 ................................................................................................................................................................................................................................................................................................................................... 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_99a87241-1223-4d38-9283-9cc54db2d904/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_99a87241-1223-4d38-9283-9cc54db2d904/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_99a87241-1223-4d38-9283-9cc54db2d904/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_99a87241-1223-4d38-9283-9cc54db2d904/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0270b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_99a87241-1223-4d38-9283-9cc54db2d904/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_99a87241-1223-4d38-9283-9cc54db2d904/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 e244339627025cb250c22854e0eaa32467bc4188 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 15:39:28,914 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:39:28,915 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:39:28,928 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:39:28,930 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:39:28,930 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:39:28,931 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:39:28,932 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:39:28,933 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:39:28,936 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:39:28,938 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:39:28,939 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:39:28,939 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:39:28,940 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:39:28,941 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:39:28,941 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:39:28,942 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:39:28,945 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:39:28,952 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:39:28,955 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:39:28,956 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:39:28,960 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:39:28,961 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:39:28,961 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:39:28,961 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:39:28,962 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:39:28,962 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:39:28,963 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:39:28,963 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:39:28,964 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:39:28,964 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:39:28,964 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:39:28,965 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:39:28,965 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:39:28,965 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:39:28,966 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:39:28,969 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_99a87241-1223-4d38-9283-9cc54db2d904/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 15:39:28,979 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:39:28,979 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:39:28,980 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:39:28,980 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 15:39:28,980 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 15:39:28,980 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 15:39:28,980 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 15:39:28,980 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 15:39:28,981 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 15:39:28,981 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 15:39:28,981 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 15:39:28,981 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 15:39:28,981 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 15:39:28,982 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:39:28,982 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:39:28,982 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:39:28,982 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:39:28,982 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:39:28,982 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:39:28,982 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:39:28,982 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:39:28,983 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:39:28,983 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:39:28,983 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:39:28,983 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:39:28,983 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:39:28,983 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:39:28,983 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:39:28,983 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 15:39:28,984 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:39:28,984 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:39:28,984 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:39:28,984 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:39:28,984 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 15:39:28,984 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:39:28,984 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:39:28,984 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 15:39:28,985 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_99a87241-1223-4d38-9283-9cc54db2d904/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 -> e244339627025cb250c22854e0eaa32467bc4188 [2018-11-18 15:39:29,011 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:39:29,020 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:39:29,022 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:39:29,023 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:39:29,024 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:39:29,024 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_99a87241-1223-4d38-9283-9cc54db2d904/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0270b_true-unreach-call.c [2018-11-18 15:39:29,072 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_99a87241-1223-4d38-9283-9cc54db2d904/bin-2019/utaipan/data/e8c743b26/efb388d70fa7488599931ce3d69720db/FLAG52037ae3c [2018-11-18 15:39:29,461 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:39:29,462 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_99a87241-1223-4d38-9283-9cc54db2d904/sv-benchmarks/c/float-newlib/float_req_bl_0270b_true-unreach-call.c [2018-11-18 15:39:29,468 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_99a87241-1223-4d38-9283-9cc54db2d904/bin-2019/utaipan/data/e8c743b26/efb388d70fa7488599931ce3d69720db/FLAG52037ae3c [2018-11-18 15:39:29,869 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_99a87241-1223-4d38-9283-9cc54db2d904/bin-2019/utaipan/data/e8c743b26/efb388d70fa7488599931ce3d69720db [2018-11-18 15:39:29,871 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:39:29,872 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:39:29,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:39:29,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:39:29,875 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:39:29,876 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:39:29" (1/1) ... [2018-11-18 15:39:29,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51ff7b93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:39:29, skipping insertion in model container [2018-11-18 15:39:29,878 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:39:29" (1/1) ... [2018-11-18 15:39:29,884 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:39:29,904 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:39:30,069 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:39:30,071 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:39:30,107 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:39:30,125 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:39:30,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:39:30 WrapperNode [2018-11-18 15:39:30,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:39:30,127 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:39:30,127 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:39:30,127 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:39:30,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:39:30" (1/1) ... [2018-11-18 15:39:30,201 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:39:30" (1/1) ... [2018-11-18 15:39:30,211 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:39:30,214 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:39:30,214 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:39:30,214 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:39:30,224 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:39:30" (1/1) ... [2018-11-18 15:39:30,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:39:30" (1/1) ... [2018-11-18 15:39:30,228 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:39:30" (1/1) ... [2018-11-18 15:39:30,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:39:30" (1/1) ... [2018-11-18 15:39:30,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:39:30" (1/1) ... [2018-11-18 15:39:30,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:39:30" (1/1) ... [2018-11-18 15:39:30,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:39:30" (1/1) ... [2018-11-18 15:39:30,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:39:30,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:39:30,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:39:30,257 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:39:30,257 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:39:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_99a87241-1223-4d38-9283-9cc54db2d904/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:39:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 15:39:30,308 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 15:39:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-11-18 15:39:30,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-11-18 15:39:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 15:39:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 15:39:30,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 15:39:30,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 15:39:30,309 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-11-18 15:39:30,309 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-11-18 15:39:30,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 15:39:30,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:39:30,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:39:30,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:39:30,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 15:39:30,309 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-18 15:39:30,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-18 15:39:30,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 15:39:30,310 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-11-18 15:39:30,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-11-18 15:39:30,779 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:39:30,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:39:30 BoogieIcfgContainer [2018-11-18 15:39:30,779 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:39:30,780 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 15:39:30,780 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 15:39:30,783 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 15:39:30,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 03:39:29" (1/3) ... [2018-11-18 15:39:30,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52e13665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:39:30, skipping insertion in model container [2018-11-18 15:39:30,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:39:30" (2/3) ... [2018-11-18 15:39:30,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52e13665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:39:30, skipping insertion in model container [2018-11-18 15:39:30,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:39:30" (3/3) ... [2018-11-18 15:39:30,785 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270b_true-unreach-call.c [2018-11-18 15:39:30,794 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 15:39:30,805 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 15:39:30,819 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 15:39:30,854 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 15:39:30,856 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 15:39:30,856 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 15:39:30,857 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:39:30,857 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:39:30,857 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 15:39:30,857 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:39:30,857 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 15:39:30,869 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2018-11-18 15:39:30,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 15:39:30,874 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:39:30,875 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:39:30,876 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:39:30,881 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:39:30,881 INFO L82 PathProgramCache]: Analyzing trace with hash -801745279, now seen corresponding path program 1 times [2018-11-18 15:39:30,883 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:39:30,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:39:30,922 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:39:30,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:39:30,922 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:39:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:39:30,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:39:31,001 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:39:31,001 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 15:39:31,001 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:39:31,005 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 15:39:31,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 15:39:31,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 15:39:31,019 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 2 states. [2018-11-18 15:39:31,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:39:31,040 INFO L93 Difference]: Finished difference Result 156 states and 233 transitions. [2018-11-18 15:39:31,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 15:39:31,041 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-11-18 15:39:31,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:39:31,050 INFO L225 Difference]: With dead ends: 156 [2018-11-18 15:39:31,050 INFO L226 Difference]: Without dead ends: 78 [2018-11-18 15:39:31,052 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 15:39:31,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-11-18 15:39:31,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2018-11-18 15:39:31,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-11-18 15:39:31,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 96 transitions. [2018-11-18 15:39:31,085 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 96 transitions. Word has length 17 [2018-11-18 15:39:31,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:39:31,086 INFO L480 AbstractCegarLoop]: Abstraction has 78 states and 96 transitions. [2018-11-18 15:39:31,086 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 15:39:31,086 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 96 transitions. [2018-11-18 15:39:31,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 15:39:31,086 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:39:31,087 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:39:31,087 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:39:31,087 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:39:31,087 INFO L82 PathProgramCache]: Analyzing trace with hash 1131979097, now seen corresponding path program 1 times [2018-11-18 15:39:31,087 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:39:31,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:39:31,088 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:39:31,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:39:31,088 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:39:31,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:39:31,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:39:31,162 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 15:39:31,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 03:39:31 BoogieIcfgContainer [2018-11-18 15:39:31,194 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 15:39:31,194 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:39:31,194 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:39:31,195 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:39:31,195 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:39:30" (3/4) ... [2018-11-18 15:39:31,197 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 15:39:31,197 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:39:31,198 INFO L168 Benchmark]: Toolchain (without parser) took 1326.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 953.1 MB in the beginning and 1.1 GB in the end (delta: -106.0 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2018-11-18 15:39:31,199 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:39:31,200 INFO L168 Benchmark]: CACSL2BoogieTranslator took 254.00 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 937.0 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 15:39:31,200 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 937.0 MB in the beginning and 1.1 GB in the end (delta: -185.5 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-18 15:39:31,200 INFO L168 Benchmark]: Boogie Preprocessor took 41.59 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:39:31,201 INFO L168 Benchmark]: RCFGBuilder took 523.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 36.5 MB). Peak memory consumption was 36.5 MB. Max. memory is 11.5 GB. [2018-11-18 15:39:31,201 INFO L168 Benchmark]: TraceAbstraction took 414.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2018-11-18 15:39:31,201 INFO L168 Benchmark]: Witness Printer took 3.19 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:39:31,203 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 254.00 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 937.0 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 86.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 937.0 MB in the beginning and 1.1 GB in the end (delta: -185.5 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.59 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 523.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 36.5 MB). Peak memory consumption was 36.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 414.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.19 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 198]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 197, overapproximation of someUnaryDOUBLEoperation at line 111, overapproximation of bitwiseAnd at line 125, overapproximation of someUnaryFLOAToperation at line 109, overapproximation of someBinaryArithmeticFLOAToperation at line 128. Possible FailurePath: [L24] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L107-L115] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [\old(huge_asin)=24, \old(one_asin)=11, \old(one_sqrt)=9, \old(pio2_hi_asin)=10, \old(pio2_lo_asin)=19, \old(pio4_hi_asin)=12, \old(pS0_asin)=17, \old(pS1_asin)=13, \old(pS2_asin)=7, \old(pS3_asin)=16, \old(pS4_asin)=22, \old(pS5_asin)=14, \old(qS1_asin)=26, \old(qS2_asin)=23, \old(qS3_asin)=5, \old(qS4_asin)=20, \old(tiny_sqrt)=21, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L193] float x = 0.0f; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L194] CALL, EXPR __ieee754_asinf(x) VAL [\old(x)=0, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L118] float t, w, p, q, c, r, s; [L119] __int32_t hx, ix; VAL [\old(x)=0, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L121] FCALL ieee_float_shape_type gf_u; [L122] FCALL gf_u.value = (x) [L123] EXPR, FCALL gf_u.word [L123] (hx) = gf_u.word [L124] COND FALSE !(0) VAL [\old(x)=0, huge_asin=1000000000000000000000000000000, hx=2, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L125] ix = hx & 0x7fffffff VAL [\old(x)=0, huge_asin=1000000000000000000000000000000, hx=2, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L126] COND TRUE ix == 0x3f800000 [L128] RET return x * pio2_hi_asin + x * pio2_lo_asin; VAL [\old(x)=0, huge_asin=1000000000000000000000000000000, hx=2, ix=1065353216, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L194] EXPR __ieee754_asinf(x) VAL [__ieee754_asinf(x)=25, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L194] float res = __ieee754_asinf(x); [L197] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=25, res == 0.0f && __signbit_float(res) == 0=0, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L197] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L198] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=25, tiny_sqrt=1/1000000000000000000000000000000, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 82 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 100 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=82occurred 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, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 256 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 0.1.23-5842f4b [2018-11-18 15:39:32,885 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:39:32,886 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:39:32,893 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:39:32,894 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:39:32,894 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:39:32,895 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:39:32,896 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:39:32,897 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:39:32,898 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:39:32,898 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:39:32,899 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:39:32,899 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:39:32,900 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:39:32,900 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:39:32,901 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:39:32,902 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:39:32,903 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:39:32,904 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:39:32,905 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:39:32,906 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:39:32,907 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:39:32,908 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:39:32,908 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:39:32,909 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:39:32,909 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:39:32,910 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:39:32,910 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:39:32,911 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:39:32,912 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:39:32,912 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:39:32,912 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:39:32,912 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:39:32,912 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:39:32,913 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:39:32,914 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:39:32,914 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_99a87241-1223-4d38-9283-9cc54db2d904/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 15:39:32,922 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:39:32,923 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:39:32,923 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:39:32,923 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 15:39:32,924 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 15:39:32,924 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 15:39:32,924 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 15:39:32,924 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 15:39:32,924 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 15:39:32,924 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 15:39:32,925 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:39:32,925 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:39:32,925 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:39:32,925 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:39:32,925 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:39:32,926 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:39:32,926 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:39:32,926 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 15:39:32,926 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 15:39:32,926 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:39:32,926 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:39:32,927 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:39:32,927 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:39:32,927 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:39:32,927 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:39:32,927 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:39:32,927 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 15:39:32,927 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:39:32,928 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:39:32,928 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:39:32,928 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:39:32,928 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 15:39:32,928 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:39:32,928 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 15:39:32,928 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 15:39:32,928 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_99a87241-1223-4d38-9283-9cc54db2d904/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 -> e244339627025cb250c22854e0eaa32467bc4188 [2018-11-18 15:39:32,965 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:39:32,978 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:39:32,982 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:39:32,983 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:39:32,983 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:39:32,983 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_99a87241-1223-4d38-9283-9cc54db2d904/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0270b_true-unreach-call.c [2018-11-18 15:39:33,026 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_99a87241-1223-4d38-9283-9cc54db2d904/bin-2019/utaipan/data/859c5d154/2c14f8d8d97e4bc48828f31025a929e3/FLAGdfb1aa9e8 [2018-11-18 15:39:33,387 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:39:33,388 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_99a87241-1223-4d38-9283-9cc54db2d904/sv-benchmarks/c/float-newlib/float_req_bl_0270b_true-unreach-call.c [2018-11-18 15:39:33,393 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_99a87241-1223-4d38-9283-9cc54db2d904/bin-2019/utaipan/data/859c5d154/2c14f8d8d97e4bc48828f31025a929e3/FLAGdfb1aa9e8 [2018-11-18 15:39:33,402 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_99a87241-1223-4d38-9283-9cc54db2d904/bin-2019/utaipan/data/859c5d154/2c14f8d8d97e4bc48828f31025a929e3 [2018-11-18 15:39:33,404 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:39:33,406 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:39:33,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:39:33,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:39:33,409 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:39:33,409 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:39:33" (1/1) ... [2018-11-18 15:39:33,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58f556d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:39:33, skipping insertion in model container [2018-11-18 15:39:33,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:39:33" (1/1) ... [2018-11-18 15:39:33,418 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:39:33,448 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:39:33,638 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:39:33,643 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:39:33,687 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:39:33,709 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:39:33,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:39:33 WrapperNode [2018-11-18 15:39:33,709 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:39:33,710 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:39:33,711 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:39:33,711 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:39:33,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:39:33" (1/1) ... [2018-11-18 15:39:33,728 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:39:33" (1/1) ... [2018-11-18 15:39:33,732 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:39:33,733 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:39:33,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:39:33,733 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:39:33,785 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:39:33" (1/1) ... [2018-11-18 15:39:33,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:39:33" (1/1) ... [2018-11-18 15:39:33,790 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:39:33" (1/1) ... [2018-11-18 15:39:33,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:39:33" (1/1) ... [2018-11-18 15:39:33,805 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:39:33" (1/1) ... [2018-11-18 15:39:33,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:39:33" (1/1) ... [2018-11-18 15:39:33,813 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:39:33" (1/1) ... [2018-11-18 15:39:33,815 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:39:33,816 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:39:33,816 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:39:33,816 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:39:33,817 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:39:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_99a87241-1223-4d38-9283-9cc54db2d904/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:39:33,857 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 15:39:33,858 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 15:39:33,858 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-11-18 15:39:33,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-11-18 15:39:33,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-18 15:39:33,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 15:39:33,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 15:39:33,859 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-11-18 15:39:33,859 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-11-18 15:39:33,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:39:33,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 15:39:33,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:39:33,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:39:33,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-18 15:39:33,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 15:39:33,860 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-18 15:39:33,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-18 15:39:33,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 15:39:33,860 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-11-18 15:39:33,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-11-18 15:39:44,868 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 15:39:45,426 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 15:39:45,443 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:39:45,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:39:45 BoogieIcfgContainer [2018-11-18 15:39:45,443 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:39:45,444 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 15:39:45,444 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 15:39:45,449 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 15:39:45,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 03:39:33" (1/3) ... [2018-11-18 15:39:45,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@577b02cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:39:45, skipping insertion in model container [2018-11-18 15:39:45,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:39:33" (2/3) ... [2018-11-18 15:39:45,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@577b02cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:39:45, skipping insertion in model container [2018-11-18 15:39:45,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:39:45" (3/3) ... [2018-11-18 15:39:45,453 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270b_true-unreach-call.c [2018-11-18 15:39:45,462 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 15:39:45,470 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 15:39:45,484 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 15:39:45,509 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 15:39:45,510 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 15:39:45,510 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 15:39:45,510 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 15:39:45,510 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:39:45,511 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:39:45,511 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 15:39:45,511 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:39:45,511 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 15:39:45,523 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2018-11-18 15:39:45,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 15:39:45,526 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:39:45,527 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:39:45,528 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:39:45,532 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:39:45,533 INFO L82 PathProgramCache]: Analyzing trace with hash -801745279, now seen corresponding path program 1 times [2018-11-18 15:39:45,535 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 15:39:45,536 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_99a87241-1223-4d38-9283-9cc54db2d904/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 [2018-11-18 15:39:45,540 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:39:45,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:39:45,785 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:39:45,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:39:45,800 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 15:39:45,811 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:39:45,811 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 15:39:45,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 15:39:45,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 15:39:45,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 15:39:45,827 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 2 states. [2018-11-18 15:39:45,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:39:45,852 INFO L93 Difference]: Finished difference Result 156 states and 233 transitions. [2018-11-18 15:39:45,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 15:39:45,853 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-11-18 15:39:45,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:39:45,863 INFO L225 Difference]: With dead ends: 156 [2018-11-18 15:39:45,863 INFO L226 Difference]: Without dead ends: 78 [2018-11-18 15:39:45,866 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 15:39:45,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-11-18 15:39:45,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2018-11-18 15:39:45,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-11-18 15:39:45,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 96 transitions. [2018-11-18 15:39:45,903 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 96 transitions. Word has length 17 [2018-11-18 15:39:45,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:39:45,904 INFO L480 AbstractCegarLoop]: Abstraction has 78 states and 96 transitions. [2018-11-18 15:39:45,904 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 15:39:45,904 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 96 transitions. [2018-11-18 15:39:45,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 15:39:45,905 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:39:45,905 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:39:45,905 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:39:45,905 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:39:45,905 INFO L82 PathProgramCache]: Analyzing trace with hash 1131979097, now seen corresponding path program 1 times [2018-11-18 15:39:45,906 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 15:39:45,906 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_99a87241-1223-4d38-9283-9cc54db2d904/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 [2018-11-18 15:39:45,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:39:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:39:46,108 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:39:46,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:39:46,261 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 15:39:46,273 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:39:46,274 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 15:39:46,275 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:39:46,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:39:46,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:39:46,275 INFO L87 Difference]: Start difference. First operand 78 states and 96 transitions. Second operand 7 states. [2018-11-18 15:39:53,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:39:53,059 INFO L93 Difference]: Finished difference Result 96 states and 115 transitions. [2018-11-18 15:39:53,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 15:39:53,060 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2018-11-18 15:39:53,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:39:53,062 INFO L225 Difference]: With dead ends: 96 [2018-11-18 15:39:53,062 INFO L226 Difference]: Without dead ends: 81 [2018-11-18 15:39:53,062 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:39:53,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-11-18 15:39:53,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 78. [2018-11-18 15:39:53,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-11-18 15:39:53,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 95 transitions. [2018-11-18 15:39:53,069 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 95 transitions. Word has length 18 [2018-11-18 15:39:53,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:39:53,069 INFO L480 AbstractCegarLoop]: Abstraction has 78 states and 95 transitions. [2018-11-18 15:39:53,070 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:39:53,070 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 95 transitions. [2018-11-18 15:39:53,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 15:39:53,070 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:39:53,071 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:39:53,071 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:39:53,071 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:39:53,071 INFO L82 PathProgramCache]: Analyzing trace with hash -947686145, now seen corresponding path program 1 times [2018-11-18 15:39:53,071 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 15:39:53,071 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_99a87241-1223-4d38-9283-9cc54db2d904/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 [2018-11-18 15:39:53,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:39:53,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:39:53,356 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:39:53,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:39:53,425 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 15:39:53,435 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:39:53,435 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 15:39:53,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:39:53,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:39:53,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:39:53,436 INFO L87 Difference]: Start difference. First operand 78 states and 95 transitions. Second operand 7 states. [2018-11-18 15:39:58,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:39:58,906 INFO L93 Difference]: Finished difference Result 95 states and 112 transitions. [2018-11-18 15:39:58,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 15:39:58,912 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-11-18 15:39:58,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:39:58,913 INFO L225 Difference]: With dead ends: 95 [2018-11-18 15:39:58,913 INFO L226 Difference]: Without dead ends: 80 [2018-11-18 15:39:58,913 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:39:58,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-11-18 15:39:58,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2018-11-18 15:39:58,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-11-18 15:39:58,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 94 transitions. [2018-11-18 15:39:58,921 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 94 transitions. Word has length 19 [2018-11-18 15:39:58,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:39:58,921 INFO L480 AbstractCegarLoop]: Abstraction has 78 states and 94 transitions. [2018-11-18 15:39:58,922 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:39:58,922 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 94 transitions. [2018-11-18 15:39:58,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 15:39:58,922 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:39:58,923 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:39:58,923 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:39:58,923 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:39:58,923 INFO L82 PathProgramCache]: Analyzing trace with hash 1489772841, now seen corresponding path program 1 times [2018-11-18 15:39:58,923 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 15:39:58,924 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_99a87241-1223-4d38-9283-9cc54db2d904/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 [2018-11-18 15:39:58,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:39:59,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:39:59,926 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:40:00,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:40:00,000 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 15:40:00,021 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:40:00,021 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 15:40:00,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:40:00,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:40:00,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:40:00,022 INFO L87 Difference]: Start difference. First operand 78 states and 94 transitions. Second operand 7 states. [2018-11-18 15:40:05,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:40:05,267 INFO L93 Difference]: Finished difference Result 109 states and 130 transitions. [2018-11-18 15:40:05,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 15:40:05,269 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2018-11-18 15:40:05,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:40:05,270 INFO L225 Difference]: With dead ends: 109 [2018-11-18 15:40:05,270 INFO L226 Difference]: Without dead ends: 86 [2018-11-18 15:40:05,270 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:40:05,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-11-18 15:40:05,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 83. [2018-11-18 15:40:05,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-11-18 15:40:05,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 100 transitions. [2018-11-18 15:40:05,283 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 100 transitions. Word has length 21 [2018-11-18 15:40:05,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:40:05,283 INFO L480 AbstractCegarLoop]: Abstraction has 83 states and 100 transitions. [2018-11-18 15:40:05,283 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:40:05,283 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 100 transitions. [2018-11-18 15:40:05,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 15:40:05,285 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:40:05,285 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:40:05,285 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:40:05,285 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:40:05,285 INFO L82 PathProgramCache]: Analyzing trace with hash -1770650208, now seen corresponding path program 1 times [2018-11-18 15:40:05,286 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 15:40:05,287 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_99a87241-1223-4d38-9283-9cc54db2d904/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 [2018-11-18 15:40:05,294 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:40:05,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:40:05,373 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:40:05,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:40:05,426 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 15:40:05,433 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:40:05,433 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 15:40:05,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:40:05,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:40:05,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:40:05,434 INFO L87 Difference]: Start difference. First operand 83 states and 100 transitions. Second operand 7 states. [2018-11-18 15:40:05,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:40:05,721 INFO L93 Difference]: Finished difference Result 90 states and 107 transitions. [2018-11-18 15:40:05,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 15:40:05,722 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-11-18 15:40:05,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:40:05,723 INFO L225 Difference]: With dead ends: 90 [2018-11-18 15:40:05,723 INFO L226 Difference]: Without dead ends: 87 [2018-11-18 15:40:05,723 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:40:05,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-11-18 15:40:05,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2018-11-18 15:40:05,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-11-18 15:40:05,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 104 transitions. [2018-11-18 15:40:05,730 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 104 transitions. Word has length 22 [2018-11-18 15:40:05,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:40:05,730 INFO L480 AbstractCegarLoop]: Abstraction has 87 states and 104 transitions. [2018-11-18 15:40:05,730 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:40:05,730 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 104 transitions. [2018-11-18 15:40:05,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 15:40:05,731 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:40:05,731 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:40:05,731 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:40:05,732 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:40:05,732 INFO L82 PathProgramCache]: Analyzing trace with hash 505231091, now seen corresponding path program 1 times [2018-11-18 15:40:05,732 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 15:40:05,732 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_99a87241-1223-4d38-9283-9cc54db2d904/bin-2019/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-11-18 15:40:05,738 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:40:05,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:40:05,817 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:40:05,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:40:05,985 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 15:40:05,992 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:40:05,992 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-11-18 15:40:05,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 15:40:05,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 15:40:05,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-11-18 15:40:05,993 INFO L87 Difference]: Start difference. First operand 87 states and 104 transitions. Second operand 12 states. [2018-11-18 15:40:06,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:40:06,664 INFO L93 Difference]: Finished difference Result 92 states and 109 transitions. [2018-11-18 15:40:06,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 15:40:06,664 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 30 [2018-11-18 15:40:06,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:40:06,665 INFO L225 Difference]: With dead ends: 92 [2018-11-18 15:40:06,665 INFO L226 Difference]: Without dead ends: 83 [2018-11-18 15:40:06,666 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2018-11-18 15:40:06,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-11-18 15:40:06,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2018-11-18 15:40:06,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-11-18 15:40:06,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 99 transitions. [2018-11-18 15:40:06,674 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 99 transitions. Word has length 30 [2018-11-18 15:40:06,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:40:06,675 INFO L480 AbstractCegarLoop]: Abstraction has 83 states and 99 transitions. [2018-11-18 15:40:06,675 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 15:40:06,675 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 99 transitions. [2018-11-18 15:40:06,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 15:40:06,676 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:40:06,676 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:40:06,677 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:40:06,677 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:40:06,677 INFO L82 PathProgramCache]: Analyzing trace with hash -1160851858, now seen corresponding path program 1 times [2018-11-18 15:40:06,677 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 15:40:06,677 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_99a87241-1223-4d38-9283-9cc54db2d904/bin-2019/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-11-18 15:40:06,680 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:40:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:40:07,810 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:40:07,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:40:07,893 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 15:40:07,917 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:40:07,918 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 15:40:07,918 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:40:07,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:40:07,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:40:07,918 INFO L87 Difference]: Start difference. First operand 83 states and 99 transitions. Second operand 7 states. [2018-11-18 15:40:10,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:40:10,473 INFO L93 Difference]: Finished difference Result 102 states and 120 transitions. [2018-11-18 15:40:10,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 15:40:10,474 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 41 [2018-11-18 15:40:10,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:40:10,475 INFO L225 Difference]: With dead ends: 102 [2018-11-18 15:40:10,475 INFO L226 Difference]: Without dead ends: 81 [2018-11-18 15:40:10,475 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:40:10,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-11-18 15:40:10,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 78. [2018-11-18 15:40:10,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-11-18 15:40:10,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 91 transitions. [2018-11-18 15:40:10,483 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 91 transitions. Word has length 41 [2018-11-18 15:40:10,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:40:10,483 INFO L480 AbstractCegarLoop]: Abstraction has 78 states and 91 transitions. [2018-11-18 15:40:10,483 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:40:10,484 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 91 transitions. [2018-11-18 15:40:10,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 15:40:10,484 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:40:10,485 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:40:10,485 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:40:10,485 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:40:10,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1086210581, now seen corresponding path program 1 times [2018-11-18 15:40:10,485 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 15:40:10,485 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_99a87241-1223-4d38-9283-9cc54db2d904/bin-2019/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-11-18 15:40:10,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:40:11,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:40:11,641 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:40:12,440 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-11-18 15:40:12,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:40:12,783 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 15:40:12,807 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:40:12,807 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 15:40:12,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 15:40:12,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:40:12,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 15:40:12,808 INFO L87 Difference]: Start difference. First operand 78 states and 91 transitions. Second operand 6 states. [2018-11-18 15:40:13,913 WARN L180 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-11-18 15:40:16,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:40:16,750 INFO L93 Difference]: Finished difference Result 78 states and 91 transitions. [2018-11-18 15:40:16,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 15:40:16,754 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43 [2018-11-18 15:40:16,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:40:16,754 INFO L225 Difference]: With dead ends: 78 [2018-11-18 15:40:16,754 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 15:40:16,755 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:40:16,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 15:40:16,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 15:40:16,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 15:40:16,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 15:40:16,755 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2018-11-18 15:40:16,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:40:16,756 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 15:40:16,756 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 15:40:16,756 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 15:40:16,756 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:40:16,759 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 15:40:17,546 WARN L180 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2018-11-18 15:40:18,267 WARN L180 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2018-11-18 15:40:18,894 WARN L180 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2018-11-18 15:40:18,931 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:40:18,931 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 15:40:18,931 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:40:18,931 INFO L425 ceAbstractionStarter]: For program point L99-2(lines 92 105) no Hoare annotation was computed. [2018-11-18 15:40:18,931 INFO L425 ceAbstractionStarter]: For program point L99-3(lines 99 103) no Hoare annotation was computed. [2018-11-18 15:40:18,932 INFO L425 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 92 105) no Hoare annotation was computed. [2018-11-18 15:40:18,932 INFO L425 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 92 105) no Hoare annotation was computed. [2018-11-18 15:40:18,932 INFO L425 ceAbstractionStarter]: For program point L94-1(lines 94 98) no Hoare annotation was computed. [2018-11-18 15:40:18,932 INFO L428 ceAbstractionStarter]: At program point L94-3(lines 94 98) the Hoare annotation is: true [2018-11-18 15:40:18,932 INFO L428 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 92 105) the Hoare annotation is: true [2018-11-18 15:40:18,932 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 103) no Hoare annotation was computed. [2018-11-18 15:40:18,932 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:40:18,932 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) [2018-11-18 15:40:18,932 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 15:40:18,932 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:40:18,932 INFO L425 ceAbstractionStarter]: For program point L194-1(line 194) no Hoare annotation was computed. [2018-11-18 15:40:18,932 INFO L425 ceAbstractionStarter]: For program point L197-4(lines 197 200) no Hoare annotation was computed. [2018-11-18 15:40:18,932 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 185 203) the Hoare annotation is: true [2018-11-18 15:40:18,932 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 185 203) no Hoare annotation was computed. [2018-11-18 15:40:18,932 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 198) no Hoare annotation was computed. [2018-11-18 15:40:18,932 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 185 203) no Hoare annotation was computed. [2018-11-18 15:40:18,933 INFO L425 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2018-11-18 15:40:18,933 INFO L425 ceAbstractionStarter]: For program point L197(line 197) no Hoare annotation was computed. [2018-11-18 15:40:18,933 INFO L421 ceAbstractionStarter]: At program point L197-1(line 197) the Hoare annotation is: (or (and (= (_ +zero 8 24) main_~x~0) (= (_ +zero 8 24) main_~res~0) |main_#t~short21|) (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))))) [2018-11-18 15:40:18,933 INFO L425 ceAbstractionStarter]: For program point L197-2(line 197) no Hoare annotation was computed. [2018-11-18 15:40:18,933 INFO L421 ceAbstractionStarter]: At program point L194(line 194) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (= (_ +zero 8 24) main_~x~0) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))))) [2018-11-18 15:40:18,933 INFO L421 ceAbstractionStarter]: At program point L163-3(lines 163 167) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0)))) (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (not (bvslt (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) (_ bv838860800 32))))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) __ieee754_asinf_~ix~2))))) [2018-11-18 15:40:18,933 INFO L425 ceAbstractionStarter]: For program point L126(lines 126 146) no Hoare annotation was computed. [2018-11-18 15:40:18,933 INFO L425 ceAbstractionStarter]: For program point L168(lines 168 172) no Hoare annotation was computed. [2018-11-18 15:40:18,933 INFO L425 ceAbstractionStarter]: For program point L168-2(lines 160 178) no Hoare annotation was computed. [2018-11-18 15:40:18,933 INFO L425 ceAbstractionStarter]: For program point L168-3(lines 168 172) no Hoare annotation was computed. [2018-11-18 15:40:18,933 INFO L425 ceAbstractionStarter]: For program point L131(lines 131 146) no Hoare annotation was computed. [2018-11-18 15:40:18,933 INFO L421 ceAbstractionStarter]: At program point L131-1(lines 131 146) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (and (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (not (bvslt (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) (_ bv1056964608 32))))) (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) __ieee754_asinf_~ix~2)))) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))))) [2018-11-18 15:40:18,933 INFO L421 ceAbstractionStarter]: At program point L156(line 156) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (and (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (not (bvslt (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) (_ bv1056964608 32))))) (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) __ieee754_asinf_~ix~2)))) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))))) [2018-11-18 15:40:18,933 INFO L425 ceAbstractionStarter]: For program point L156-1(line 156) no Hoare annotation was computed. [2018-11-18 15:40:18,933 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-18 15:40:18,934 INFO L425 ceAbstractionStarter]: For program point L132(lines 132 145) no Hoare annotation was computed. [2018-11-18 15:40:18,934 INFO L425 ceAbstractionStarter]: For program point L157(lines 157 178) no Hoare annotation was computed. [2018-11-18 15:40:18,934 INFO L425 ceAbstractionStarter]: For program point L157-2(lines 117 183) no Hoare annotation was computed. [2018-11-18 15:40:18,934 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 120 124) no Hoare annotation was computed. [2018-11-18 15:40:18,934 INFO L421 ceAbstractionStarter]: At program point L120-3(lines 120 124) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))))) [2018-11-18 15:40:18,935 INFO L428 ceAbstractionStarter]: At program point __ieee754_asinfENTRY(lines 117 183) the Hoare annotation is: true [2018-11-18 15:40:18,935 INFO L425 ceAbstractionStarter]: For program point L120-4(lines 120 124) no Hoare annotation was computed. [2018-11-18 15:40:18,935 INFO L425 ceAbstractionStarter]: For program point L133(lines 133 134) no Hoare annotation was computed. [2018-11-18 15:40:18,935 INFO L425 ceAbstractionStarter]: For program point __ieee754_asinfFINAL(lines 117 183) no Hoare annotation was computed. [2018-11-18 15:40:18,935 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 146) no Hoare annotation was computed. [2018-11-18 15:40:18,935 INFO L425 ceAbstractionStarter]: For program point __ieee754_asinfEXIT(lines 117 183) no Hoare annotation was computed. [2018-11-18 15:40:18,935 INFO L425 ceAbstractionStarter]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2018-11-18 15:40:18,935 INFO L425 ceAbstractionStarter]: For program point L64(lines 64 68) no Hoare annotation was computed. [2018-11-18 15:40:18,935 INFO L425 ceAbstractionStarter]: For program point L31-1(lines 31 35) no Hoare annotation was computed. [2018-11-18 15:40:18,936 INFO L425 ceAbstractionStarter]: For program point L64-2(lines 64 68) no Hoare annotation was computed. [2018-11-18 15:40:18,936 INFO L428 ceAbstractionStarter]: At program point L31-3(lines 31 35) the Hoare annotation is: true [2018-11-18 15:40:18,936 INFO L425 ceAbstractionStarter]: For program point L31-4(lines 31 35) no Hoare annotation was computed. [2018-11-18 15:40:18,936 INFO L425 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2018-11-18 15:40:18,936 INFO L428 ceAbstractionStarter]: At program point L85-3(lines 85 89) the Hoare annotation is: true [2018-11-18 15:40:18,936 INFO L425 ceAbstractionStarter]: For program point L85-4(lines 85 89) no Hoare annotation was computed. [2018-11-18 15:40:18,936 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 48 49) no Hoare annotation was computed. [2018-11-18 15:40:18,936 INFO L425 ceAbstractionStarter]: For program point L48-3(lines 48 49) no Hoare annotation was computed. [2018-11-18 15:40:18,936 INFO L425 ceAbstractionStarter]: For program point L77(lines 77 80) no Hoare annotation was computed. [2018-11-18 15:40:18,936 INFO L428 ceAbstractionStarter]: At program point L48-4(lines 48 49) the Hoare annotation is: true [2018-11-18 15:40:18,936 INFO L425 ceAbstractionStarter]: For program point L48-5(lines 48 49) no Hoare annotation was computed. [2018-11-18 15:40:18,937 INFO L425 ceAbstractionStarter]: For program point L73(lines 73 82) no Hoare annotation was computed. [2018-11-18 15:40:18,937 INFO L428 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 26 91) the Hoare annotation is: true [2018-11-18 15:40:18,937 INFO L425 ceAbstractionStarter]: For program point L41(lines 41 42) no Hoare annotation was computed. [2018-11-18 15:40:18,937 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 26 91) no Hoare annotation was computed. [2018-11-18 15:40:18,937 INFO L425 ceAbstractionStarter]: For program point L62-1(lines 62 71) no Hoare annotation was computed. [2018-11-18 15:40:18,937 INFO L428 ceAbstractionStarter]: At program point L62-3(lines 62 71) the Hoare annotation is: true [2018-11-18 15:40:18,937 INFO L425 ceAbstractionStarter]: For program point L62-4(lines 26 91) no Hoare annotation was computed. [2018-11-18 15:40:18,937 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 55) no Hoare annotation was computed. [2018-11-18 15:40:18,937 INFO L425 ceAbstractionStarter]: For program point L54-2(lines 54 55) no Hoare annotation was computed. [2018-11-18 15:40:18,937 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 26 91) no Hoare annotation was computed. [2018-11-18 15:40:18,937 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-11-18 15:40:18,938 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 39) no Hoare annotation was computed. [2018-11-18 15:40:18,938 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 51) no Hoare annotation was computed. [2018-11-18 15:40:18,938 INFO L425 ceAbstractionStarter]: For program point L47-2(lines 47 51) no Hoare annotation was computed. [2018-11-18 15:40:18,938 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 44) no Hoare annotation was computed. [2018-11-18 15:40:18,939 INFO L425 ceAbstractionStarter]: For program point __signbit_floatFINAL(lines 12 22) no Hoare annotation was computed. [2018-11-18 15:40:18,939 INFO L428 ceAbstractionStarter]: At program point __signbit_floatENTRY(lines 12 22) the Hoare annotation is: true [2018-11-18 15:40:18,939 INFO L425 ceAbstractionStarter]: For program point L15-1(lines 15 19) no Hoare annotation was computed. [2018-11-18 15:40:18,939 INFO L421 ceAbstractionStarter]: At program point L15-3(lines 15 19) the Hoare annotation is: (= |__signbit_float_#in~x| __signbit_float_~x) [2018-11-18 15:40:18,939 INFO L425 ceAbstractionStarter]: For program point __signbit_floatEXIT(lines 12 22) no Hoare annotation was computed. [2018-11-18 15:40:18,939 INFO L425 ceAbstractionStarter]: For program point L15-4(lines 15 19) no Hoare annotation was computed. [2018-11-18 15:40:18,948 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 15:40:18,948 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 15:40:18,949 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 15:40:18,949 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 15:40:18,949 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 15:40:18,949 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 15:40:18,950 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 15:40:18,950 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 15:40:18,950 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 15:40:18,950 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 15:40:18,950 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 15:40:18,950 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 15:40:18,953 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 15:40:18,953 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 15:40:18,953 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 15:40:18,954 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 15:40:18,954 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 15:40:18,954 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 15:40:18,954 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 15:40:18,954 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 15:40:18,955 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 15:40:18,955 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 15:40:18,955 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 15:40:18,955 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 15:40:18,956 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 15:40:18,956 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 15:40:18,956 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 15:40:18,957 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 15:40:18,957 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 15:40:18,957 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 15:40:18,957 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 15:40:18,958 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 15:40:18,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 03:40:18 BoogieIcfgContainer [2018-11-18 15:40:18,959 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 15:40:18,960 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:40:18,960 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:40:18,960 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:40:18,960 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:39:45" (3/4) ... [2018-11-18 15:40:18,963 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:40:18,969 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 15:40:18,969 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-11-18 15:40:18,969 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 15:40:18,969 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_asinf [2018-11-18 15:40:18,969 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-11-18 15:40:18,969 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_float [2018-11-18 15:40:18,974 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2018-11-18 15:40:18,974 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-18 15:40:18,974 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-18 15:40:18,975 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 15:40:18,993 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_asin) || \old(x) == x) || !(one_asin == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) [2018-11-18 15:40:18,994 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-18 15:40:18,994 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_asin) || !(one_asin == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)))) || (((\old(x) == x && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && !~bvslt32(~bvand32(2147483647bv32, __ieee754_asinf_~hx~1), 838860800bv32))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x)) && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && ~bvand32(2147483647bv32, __ieee754_asinf_~hx~1) == ix)) [2018-11-18 15:40:19,025 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_99a87241-1223-4d38-9283-9cc54db2d904/bin-2019/utaipan/witness.graphml [2018-11-18 15:40:19,026 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:40:19,026 INFO L168 Benchmark]: Toolchain (without parser) took 45621.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 203.9 MB). Free memory was 946.5 MB in the beginning and 1.1 GB in the end (delta: -145.6 MB). Peak memory consumption was 58.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:40:19,027 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 973.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:40:19,027 INFO L168 Benchmark]: CACSL2BoogieTranslator took 303.71 ms. Allocated memory is still 1.0 GB. Free memory was 946.5 MB in the beginning and 925.0 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-18 15:40:19,027 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.02 ms. Allocated memory is still 1.0 GB. Free memory is still 925.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:40:19,028 INFO L168 Benchmark]: Boogie Preprocessor took 82.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 925.0 MB in the beginning and 1.1 GB in the end (delta: -205.1 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:40:19,028 INFO L168 Benchmark]: RCFGBuilder took 11627.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 48.3 MB). Peak memory consumption was 48.3 MB. Max. memory is 11.5 GB. [2018-11-18 15:40:19,028 INFO L168 Benchmark]: TraceAbstraction took 33515.55 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 61.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -17.5 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. [2018-11-18 15:40:19,028 INFO L168 Benchmark]: Witness Printer took 65.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2018-11-18 15:40:19,033 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 973.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 303.71 ms. Allocated memory is still 1.0 GB. Free memory was 946.5 MB in the beginning and 925.0 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.02 ms. Allocated memory is still 1.0 GB. Free memory is still 925.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 82.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 925.0 MB in the beginning and 1.1 GB in the end (delta: -205.1 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 11627.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 48.3 MB). Peak memory consumption was 48.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 33515.55 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 61.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -17.5 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. * Witness Printer took 65.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 198]: 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: 85]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant [2018-11-18 15:40:19,037 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 15:40:19,037 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 15:40:19,037 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 15:40:19,037 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 15:40:19,037 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 15:40:19,037 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 15:40:19,038 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 15:40:19,038 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 15:40:19,050 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 15:40:19,050 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 15:40:19,050 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 15:40:19,050 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 15:40:19,051 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 15:40:19,051 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 15:40:19,051 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 15:40:19,051 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 15:40:19,052 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 15:40:19,052 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 15:40:19,052 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 15:40:19,052 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 15:40:19,052 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 15:40:19,052 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 15:40:19,052 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 15:40:19,052 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_asin) || !(one_asin == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)))) || (((\old(x) == x && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && !~bvslt32(~bvand32(2147483647bv32, __ieee754_asinf_~hx~1), 838860800bv32))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x)) && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && ~bvand32(2147483647bv32, __ieee754_asinf_~hx~1) == ix)) - InvariantResult [Line: 120]: Loop Invariant [2018-11-18 15:40:19,053 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 15:40:19,053 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 15:40:19,053 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 15:40:19,053 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 15:40:19,054 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 15:40:19,054 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 15:40:19,054 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 15:40:19,054 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_asin) || \old(x) == x) || !(one_asin == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 82 locations, 1 error locations. SAFE Result, 33.4s OverallTime, 8 OverallIterations, 1 TraceHistogramMax, 25.0s AutomataDifference, 0.0s DeadEndRemovalTime, 2.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 673 SDtfs, 422 SDslu, 2792 SDs, 0 SdLazy, 396 SolverSat, 55 SolverUnsat, 7 SolverUnknown, 0 SolverNotchecked, 22.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 161 SyntacticMatches, 3 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=5, 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, 8 MinimizatonAttempts, 11 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 46 PreInvPairs, 65 NumberOfFragments, 284 HoareAnnotationTreeSize, 46 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 493 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 3.7s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 211 NumberOfCodeBlocks, 211 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 203 ConstructedInterpolants, 26 QuantifiedInterpolants, 48120 SizeOfPredicates, 29 NumberOfNonLiveVariables, 939 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...