./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0730b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fd2d845c-ca87-43c7-be45-be1bb5724b89/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fd2d845c-ca87-43c7-be45-be1bb5724b89/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fd2d845c-ca87-43c7-be45-be1bb5724b89/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fd2d845c-ca87-43c7-be45-be1bb5724b89/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0730b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fd2d845c-ca87-43c7-be45-be1bb5724b89/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fd2d845c-ca87-43c7-be45-be1bb5724b89/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 9c71a459772bdb184fdc6408fbdfc05dbcf613bc ............................................................................................................................................................................................................................................................................................................................................................................... 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_fd2d845c-ca87-43c7-be45-be1bb5724b89/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fd2d845c-ca87-43c7-be45-be1bb5724b89/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fd2d845c-ca87-43c7-be45-be1bb5724b89/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fd2d845c-ca87-43c7-be45-be1bb5724b89/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0730b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fd2d845c-ca87-43c7-be45-be1bb5724b89/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fd2d845c-ca87-43c7-be45-be1bb5724b89/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 9c71a459772bdb184fdc6408fbdfc05dbcf613bc ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 05:02:51,031 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:02:51,032 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:02:51,039 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:02:51,039 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:02:51,040 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:02:51,040 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:02:51,041 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:02:51,042 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:02:51,043 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:02:51,044 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:02:51,044 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:02:51,044 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:02:51,045 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:02:51,046 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:02:51,046 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:02:51,047 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:02:51,048 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:02:51,049 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:02:51,051 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:02:51,051 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:02:51,052 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:02:51,054 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:02:51,054 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:02:51,054 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:02:51,055 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:02:51,055 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:02:51,056 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:02:51,057 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:02:51,057 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:02:51,057 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:02:51,058 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:02:51,058 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:02:51,058 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:02:51,059 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:02:51,059 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:02:51,059 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fd2d845c-ca87-43c7-be45-be1bb5724b89/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 05:02:51,069 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:02:51,070 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:02:51,070 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:02:51,070 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 05:02:51,071 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 05:02:51,071 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 05:02:51,071 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 05:02:51,071 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 05:02:51,071 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 05:02:51,071 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 05:02:51,071 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 05:02:51,072 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:02:51,072 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:02:51,072 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:02:51,072 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:02:51,072 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:02:51,072 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:02:51,072 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:02:51,072 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:02:51,073 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:02:51,073 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:02:51,073 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:02:51,073 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:02:51,073 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 05:02:51,073 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:02:51,073 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 05:02:51,073 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 05:02:51,074 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:02:51,074 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:02:51,074 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:02:51,074 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 05:02:51,074 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:02:51,074 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 05:02:51,074 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 05:02:51,074 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_fd2d845c-ca87-43c7-be45-be1bb5724b89/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 -> 9c71a459772bdb184fdc6408fbdfc05dbcf613bc [2018-11-10 05:02:51,097 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:02:51,105 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:02:51,107 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:02:51,108 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:02:51,108 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:02:51,108 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fd2d845c-ca87-43c7-be45-be1bb5724b89/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0730b_true-unreach-call.c [2018-11-10 05:02:51,144 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fd2d845c-ca87-43c7-be45-be1bb5724b89/bin-2019/utaipan/data/38c8edd1d/d66d305848394462823d40eb3a1e1f5f/FLAG8003ee4cd [2018-11-10 05:02:51,549 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:02:51,549 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fd2d845c-ca87-43c7-be45-be1bb5724b89/sv-benchmarks/c/float-newlib/float_req_bl_0730b_true-unreach-call.c [2018-11-10 05:02:51,553 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fd2d845c-ca87-43c7-be45-be1bb5724b89/bin-2019/utaipan/data/38c8edd1d/d66d305848394462823d40eb3a1e1f5f/FLAG8003ee4cd [2018-11-10 05:02:51,562 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fd2d845c-ca87-43c7-be45-be1bb5724b89/bin-2019/utaipan/data/38c8edd1d/d66d305848394462823d40eb3a1e1f5f [2018-11-10 05:02:51,564 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:02:51,566 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:02:51,566 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:02:51,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:02:51,570 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:02:51,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:02:51" (1/1) ... [2018-11-10 05:02:51,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f1788b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:02:51, skipping insertion in model container [2018-11-10 05:02:51,573 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:02:51" (1/1) ... [2018-11-10 05:02:51,581 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:02:51,600 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:02:51,723 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:02:51,725 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:02:51,746 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:02:51,758 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:02:51,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:02:51 WrapperNode [2018-11-10 05:02:51,758 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:02:51,759 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:02:51,759 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:02:51,759 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:02:51,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:02:51" (1/1) ... [2018-11-10 05:02:51,771 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:02:51" (1/1) ... [2018-11-10 05:02:51,790 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:02:51,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:02:51,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:02:51,791 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:02:51,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:02:51" (1/1) ... [2018-11-10 05:02:51,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:02:51" (1/1) ... [2018-11-10 05:02:51,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:02:51" (1/1) ... [2018-11-10 05:02:51,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:02:51" (1/1) ... [2018-11-10 05:02:51,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:02:51" (1/1) ... [2018-11-10 05:02:51,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:02:51" (1/1) ... [2018-11-10 05:02:51,850 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:02:51" (1/1) ... [2018-11-10 05:02:51,852 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:02:51,853 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:02:51,853 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:02:51,853 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:02:51,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:02:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fd2d845c-ca87-43c7-be45-be1bb5724b89/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 [2018-11-10 05:02:51,887 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 05:02:51,887 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 05:02:51,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 05:02:51,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 05:02:51,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:02:51,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:02:51,888 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-10 05:02:51,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-10 05:02:51,888 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-11-10 05:02:51,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-11-10 05:02:52,156 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:02:52,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:02:52 BoogieIcfgContainer [2018-11-10 05:02:52,157 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:02:52,157 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 05:02:52,157 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 05:02:52,160 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 05:02:52,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 05:02:51" (1/3) ... [2018-11-10 05:02:52,161 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b6b937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:02:52, skipping insertion in model container [2018-11-10 05:02:52,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:02:51" (2/3) ... [2018-11-10 05:02:52,161 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b6b937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:02:52, skipping insertion in model container [2018-11-10 05:02:52,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:02:52" (3/3) ... [2018-11-10 05:02:52,162 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0730b_true-unreach-call.c [2018-11-10 05:02:52,168 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 05:02:52,173 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 05:02:52,182 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 05:02:52,202 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 05:02:52,202 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 05:02:52,202 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 05:02:52,202 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 05:02:52,202 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 05:02:52,202 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 05:02:52,202 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 05:02:52,202 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 05:02:52,214 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states. [2018-11-10 05:02:52,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 05:02:52,218 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:02:52,218 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:02:52,220 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 05:02:52,224 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:02:52,224 INFO L82 PathProgramCache]: Analyzing trace with hash -1528439625, now seen corresponding path program 1 times [2018-11-10 05:02:52,226 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 05:02:52,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:02:52,254 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:02:52,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:02:52,255 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 05:02:52,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:02:52,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:02:52,312 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 05:02:52,312 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 05:02:52,312 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 05:02:52,315 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 05:02:52,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 05:02:52,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 05:02:52,325 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 2 states. [2018-11-10 05:02:52,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 05:02:52,342 INFO L93 Difference]: Finished difference Result 96 states and 137 transitions. [2018-11-10 05:02:52,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 05:02:52,343 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-11-10 05:02:52,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 05:02:52,349 INFO L225 Difference]: With dead ends: 96 [2018-11-10 05:02:52,349 INFO L226 Difference]: Without dead ends: 48 [2018-11-10 05:02:52,351 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 05:02:52,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-11-10 05:02:52,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-11-10 05:02:52,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-11-10 05:02:52,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 59 transitions. [2018-11-10 05:02:52,375 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 59 transitions. Word has length 17 [2018-11-10 05:02:52,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 05:02:52,375 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 59 transitions. [2018-11-10 05:02:52,375 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 05:02:52,376 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 59 transitions. [2018-11-10 05:02:52,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 05:02:52,376 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:02:52,376 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:02:52,377 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 05:02:52,377 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:02:52,377 INFO L82 PathProgramCache]: Analyzing trace with hash -2078775054, now seen corresponding path program 1 times [2018-11-10 05:02:52,377 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 05:02:52,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:02:52,378 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:02:52,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:02:52,378 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 05:02:52,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:02:52,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:02:52,438 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 05:02:52,448 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:02:52,448 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:02:52,449 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 05:02:52,449 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 05:02:52,449 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:02:52,449 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:02:52,449 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 05:02:52,449 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 05:02:52,449 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:02:52,450 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:02:52,450 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 05:02:52,450 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 05:02:52,450 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:02:52,450 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:02:52,450 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 05:02:52,450 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 05:02:52,451 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:02:52,451 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:02:52,451 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 05:02:52,451 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 05:02:52,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 05:02:52 BoogieIcfgContainer [2018-11-10 05:02:52,463 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 05:02:52,463 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:02:52,463 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:02:52,464 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:02:52,464 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:02:52" (3/4) ... [2018-11-10 05:02:52,466 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 05:02:52,466 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:02:52,467 INFO L168 Benchmark]: Toolchain (without parser) took 902.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 184.5 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -158.7 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2018-11-10 05:02:52,468 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:02:52,468 INFO L168 Benchmark]: CACSL2BoogieTranslator took 192.21 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 946.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-10 05:02:52,469 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.54 ms. Allocated memory is still 1.0 GB. Free memory was 946.8 MB in the beginning and 944.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:02:52,469 INFO L168 Benchmark]: Boogie Preprocessor took 61.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 184.5 MB). Free memory was 944.1 MB in the beginning and 1.2 GB in the end (delta: -235.3 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2018-11-10 05:02:52,470 INFO L168 Benchmark]: RCFGBuilder took 304.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. [2018-11-10 05:02:52,470 INFO L168 Benchmark]: TraceAbstraction took 305.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-11-10 05:02:52,470 INFO L168 Benchmark]: Witness Printer took 3.12 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. [2018-11-10 05:02:52,472 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 192.21 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 946.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.54 ms. Allocated memory is still 1.0 GB. Free memory was 946.8 MB in the beginning and 944.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 61.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 184.5 MB). Free memory was 944.1 MB in the beginning and 1.2 GB in the end (delta: -235.3 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 304.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 305.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 106]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 105, overapproximation of bitwiseAnd at line 24, overapproximation of someBinaryArithmeticFLOAToperation at line 27. Possible FailurePath: [L12] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; VAL [\old(one_sqrt)=6442450950, \old(tiny_sqrt)=6442450947, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L101] float x = 0.0f; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L102] CALL, EXPR __ieee754_sqrtf(x) VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L15] float z; [L16] __uint32_t r, hx; [L17] __int32_t ix, s, q, m, t, i; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L20] CALL ieee_float_shape_type gf_u; [L20] RET ieee_float_shape_type gf_u; [L21] CALL gf_u.value = (x) [L21] RET gf_u.value = (x) [L22] CALL, EXPR gf_u.word [L22] RET, EXPR gf_u.word [L22] (ix) = gf_u.word [L22] RET (ix) = gf_u.word [L23] COND FALSE !(0) VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L24] hx = ix & 0x7fffffff VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L26] COND TRUE !((hx) < 0x7f800000L) [L27] RET return x * x + x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L102] EXPR __ieee754_sqrtf(x) VAL [__ieee754_sqrtf(x)=6442450945, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L102] float res = __ieee754_sqrtf(x); [L105] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [one_sqrt=1, res=6442450945, res == 0.0f && __signbit_float(res) == 0=0, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L105] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L106] __VERIFIER_error() VAL [one_sqrt=1, res=6442450945, tiny_sqrt=1/1000000000000000000000000000000, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 52 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 63 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=52occurred 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 0.1.23-1dbac8b [2018-11-10 05:02:53,873 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:02:53,874 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:02:53,882 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:02:53,882 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:02:53,883 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:02:53,884 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:02:53,885 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:02:53,886 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:02:53,886 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:02:53,887 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:02:53,887 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:02:53,888 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:02:53,889 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:02:53,890 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:02:53,890 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:02:53,891 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:02:53,892 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:02:53,893 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:02:53,895 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:02:53,895 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:02:53,896 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:02:53,898 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:02:53,898 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:02:53,898 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:02:53,899 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:02:53,900 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:02:53,900 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:02:53,901 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:02:53,902 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:02:53,902 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:02:53,902 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:02:53,902 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:02:53,903 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:02:53,903 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:02:53,904 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:02:53,904 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fd2d845c-ca87-43c7-be45-be1bb5724b89/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-10 05:02:53,914 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:02:53,915 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:02:53,915 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:02:53,915 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 05:02:53,915 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 05:02:53,916 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 05:02:53,916 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 05:02:53,916 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 05:02:53,916 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:02:53,916 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:02:53,917 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:02:53,917 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:02:53,917 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:02:53,917 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:02:53,917 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:02:53,917 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 05:02:53,917 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 05:02:53,918 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:02:53,918 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:02:53,918 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:02:53,918 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:02:53,918 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 05:02:53,918 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:02:53,918 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 05:02:53,919 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 05:02:53,919 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:02:53,919 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:02:53,919 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:02:53,919 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 05:02:53,919 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:02:53,919 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 05:02:53,920 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 05:02:53,920 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_fd2d845c-ca87-43c7-be45-be1bb5724b89/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 -> 9c71a459772bdb184fdc6408fbdfc05dbcf613bc [2018-11-10 05:02:53,949 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:02:53,957 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:02:53,959 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:02:53,960 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:02:53,960 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:02:53,960 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fd2d845c-ca87-43c7-be45-be1bb5724b89/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0730b_true-unreach-call.c [2018-11-10 05:02:53,996 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fd2d845c-ca87-43c7-be45-be1bb5724b89/bin-2019/utaipan/data/972d84b4d/18dccb1900e544369889e823dc966534/FLAG70902b03f [2018-11-10 05:02:54,391 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:02:54,391 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fd2d845c-ca87-43c7-be45-be1bb5724b89/sv-benchmarks/c/float-newlib/float_req_bl_0730b_true-unreach-call.c [2018-11-10 05:02:54,396 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fd2d845c-ca87-43c7-be45-be1bb5724b89/bin-2019/utaipan/data/972d84b4d/18dccb1900e544369889e823dc966534/FLAG70902b03f [2018-11-10 05:02:54,406 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fd2d845c-ca87-43c7-be45-be1bb5724b89/bin-2019/utaipan/data/972d84b4d/18dccb1900e544369889e823dc966534 [2018-11-10 05:02:54,409 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:02:54,411 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:02:54,412 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:02:54,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:02:54,414 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:02:54,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:02:54" (1/1) ... [2018-11-10 05:02:54,416 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@de27aab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:02:54, skipping insertion in model container [2018-11-10 05:02:54,416 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:02:54" (1/1) ... [2018-11-10 05:02:54,422 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:02:54,436 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:02:54,569 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:02:54,573 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:02:54,595 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:02:54,612 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:02:54,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:02:54 WrapperNode [2018-11-10 05:02:54,613 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:02:54,613 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:02:54,613 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:02:54,613 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:02:54,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:02:54" (1/1) ... [2018-11-10 05:02:54,628 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:02:54" (1/1) ... [2018-11-10 05:02:54,648 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:02:54,648 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:02:54,648 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:02:54,648 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:02:54,654 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:02:54" (1/1) ... [2018-11-10 05:02:54,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:02:54" (1/1) ... [2018-11-10 05:02:54,657 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:02:54" (1/1) ... [2018-11-10 05:02:54,657 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:02:54" (1/1) ... [2018-11-10 05:02:54,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:02:54" (1/1) ... [2018-11-10 05:02:54,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:02:54" (1/1) ... [2018-11-10 05:02:54,669 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:02:54" (1/1) ... [2018-11-10 05:02:54,672 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:02:54,672 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:02:54,672 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:02:54,672 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:02:54,673 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:02:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fd2d845c-ca87-43c7-be45-be1bb5724b89/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 [2018-11-10 05:02:54,759 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 05:02:54,759 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 05:02:54,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 05:02:54,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 05:02:54,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:02:54,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:02:54,760 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-10 05:02:54,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-10 05:02:54,760 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-11-10 05:02:54,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-11-10 05:02:54,956 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 05:02:55,675 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 05:02:55,679 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:02:55,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:02:55 BoogieIcfgContainer [2018-11-10 05:02:55,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:02:55,680 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 05:02:55,680 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 05:02:55,683 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 05:02:55,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 05:02:54" (1/3) ... [2018-11-10 05:02:55,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c6df6ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:02:55, skipping insertion in model container [2018-11-10 05:02:55,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:02:54" (2/3) ... [2018-11-10 05:02:55,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c6df6ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:02:55, skipping insertion in model container [2018-11-10 05:02:55,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:02:55" (3/3) ... [2018-11-10 05:02:55,685 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0730b_true-unreach-call.c [2018-11-10 05:02:55,691 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 05:02:55,695 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 05:02:55,704 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 05:02:55,725 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 05:02:55,725 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 05:02:55,725 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 05:02:55,725 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 05:02:55,725 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 05:02:55,725 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 05:02:55,725 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 05:02:55,726 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 05:02:55,726 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 05:02:55,735 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states. [2018-11-10 05:02:55,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 05:02:55,740 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:02:55,740 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:02:55,742 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 05:02:55,745 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:02:55,745 INFO L82 PathProgramCache]: Analyzing trace with hash -1528439625, now seen corresponding path program 1 times [2018-11-10 05:02:55,748 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 05:02:55,748 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fd2d845c-ca87-43c7-be45-be1bb5724b89/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 [2018-11-10 05:02:55,752 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:02:55,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:02:55,867 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:02:55,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:02:55,881 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 05:02:55,891 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 05:02:55,891 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 05:02:55,893 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 05:02:55,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 05:02:55,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 05:02:55,902 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 2 states. [2018-11-10 05:02:55,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 05:02:55,919 INFO L93 Difference]: Finished difference Result 96 states and 137 transitions. [2018-11-10 05:02:55,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 05:02:55,920 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-11-10 05:02:55,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 05:02:55,927 INFO L225 Difference]: With dead ends: 96 [2018-11-10 05:02:55,927 INFO L226 Difference]: Without dead ends: 48 [2018-11-10 05:02:55,929 INFO L605 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 [2018-11-10 05:02:55,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-11-10 05:02:55,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-11-10 05:02:55,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-11-10 05:02:55,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 59 transitions. [2018-11-10 05:02:55,953 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 59 transitions. Word has length 17 [2018-11-10 05:02:55,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 05:02:55,953 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 59 transitions. [2018-11-10 05:02:55,954 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 05:02:55,954 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 59 transitions. [2018-11-10 05:02:55,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 05:02:55,954 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:02:55,955 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:02:55,955 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 05:02:55,955 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:02:55,955 INFO L82 PathProgramCache]: Analyzing trace with hash -2078775054, now seen corresponding path program 1 times [2018-11-10 05:02:55,956 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 05:02:55,956 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fd2d845c-ca87-43c7-be45-be1bb5724b89/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 [2018-11-10 05:02:55,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:02:56,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:02:56,095 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:02:56,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:02:56,192 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 05:02:56,201 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 05:02:56,201 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 05:02:56,203 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 05:02:56,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 05:02:56,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 05:02:56,203 INFO L87 Difference]: Start difference. First operand 48 states and 59 transitions. Second operand 7 states. [2018-11-10 05:02:57,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 05:02:57,053 INFO L93 Difference]: Finished difference Result 69 states and 81 transitions. [2018-11-10 05:02:57,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 05:02:57,054 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2018-11-10 05:02:57,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 05:02:57,056 INFO L225 Difference]: With dead ends: 69 [2018-11-10 05:02:57,056 INFO L226 Difference]: Without dead ends: 54 [2018-11-10 05:02:57,057 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-10 05:02:57,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-11-10 05:02:57,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 48. [2018-11-10 05:02:57,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-11-10 05:02:57,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 58 transitions. [2018-11-10 05:02:57,062 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 58 transitions. Word has length 18 [2018-11-10 05:02:57,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 05:02:57,063 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 58 transitions. [2018-11-10 05:02:57,063 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 05:02:57,063 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2018-11-10 05:02:57,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 05:02:57,064 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:02:57,064 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:02:57,064 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 05:02:57,065 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:02:57,065 INFO L82 PathProgramCache]: Analyzing trace with hash 440084373, now seen corresponding path program 1 times [2018-11-10 05:02:57,065 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 05:02:57,065 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fd2d845c-ca87-43c7-be45-be1bb5724b89/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 [2018-11-10 05:02:57,071 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:02:57,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:02:57,101 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:02:57,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:02:57,145 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 05:02:57,152 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 05:02:57,152 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 05:02:57,152 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 05:02:57,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 05:02:57,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 05:02:57,153 INFO L87 Difference]: Start difference. First operand 48 states and 58 transitions. Second operand 7 states. [2018-11-10 05:02:57,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 05:02:57,610 INFO L93 Difference]: Finished difference Result 55 states and 65 transitions. [2018-11-10 05:02:57,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 05:02:57,610 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-11-10 05:02:57,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 05:02:57,612 INFO L225 Difference]: With dead ends: 55 [2018-11-10 05:02:57,612 INFO L226 Difference]: Without dead ends: 52 [2018-11-10 05:02:57,612 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-11-10 05:02:57,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-11-10 05:02:57,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-11-10 05:02:57,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-11-10 05:02:57,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 62 transitions. [2018-11-10 05:02:57,619 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 62 transitions. Word has length 19 [2018-11-10 05:02:57,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 05:02:57,619 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 62 transitions. [2018-11-10 05:02:57,619 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 05:02:57,619 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2018-11-10 05:02:57,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 05:02:57,620 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:02:57,620 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] [2018-11-10 05:02:57,620 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 05:02:57,620 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:02:57,621 INFO L82 PathProgramCache]: Analyzing trace with hash 470362710, now seen corresponding path program 1 times [2018-11-10 05:02:57,621 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 05:02:57,621 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fd2d845c-ca87-43c7-be45-be1bb5724b89/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 [2018-11-10 05:02:57,628 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:02:57,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:02:57,814 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:02:57,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:02:57,886 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 05:02:57,896 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 05:02:57,896 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 05:02:57,896 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 05:02:57,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 05:02:57,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 05:02:57,897 INFO L87 Difference]: Start difference. First operand 52 states and 62 transitions. Second operand 7 states. [2018-11-10 05:02:58,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 05:02:58,488 INFO L93 Difference]: Finished difference Result 69 states and 79 transitions. [2018-11-10 05:02:58,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 05:02:58,490 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-11-10 05:02:58,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 05:02:58,490 INFO L225 Difference]: With dead ends: 69 [2018-11-10 05:02:58,490 INFO L226 Difference]: Without dead ends: 28 [2018-11-10 05:02:58,491 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-10 05:02:58,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-11-10 05:02:58,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-11-10 05:02:58,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-11-10 05:02:58,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 27 transitions. [2018-11-10 05:02:58,493 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 27 transitions. Word has length 20 [2018-11-10 05:02:58,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 05:02:58,493 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 27 transitions. [2018-11-10 05:02:58,493 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 05:02:58,494 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 27 transitions. [2018-11-10 05:02:58,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 05:02:58,494 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:02:58,494 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] [2018-11-10 05:02:58,494 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 05:02:58,494 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:02:58,495 INFO L82 PathProgramCache]: Analyzing trace with hash -1816024880, now seen corresponding path program 1 times [2018-11-10 05:02:58,495 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 05:02:58,495 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fd2d845c-ca87-43c7-be45-be1bb5724b89/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 [2018-11-10 05:02:58,498 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:02:58,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:02:58,543 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:02:58,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:02:58,689 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 05:02:58,702 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 05:02:58,702 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-11-10 05:02:58,703 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-10 05:02:58,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-10 05:02:58,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-11-10 05:02:58,703 INFO L87 Difference]: Start difference. First operand 28 states and 27 transitions. Second operand 12 states. [2018-11-10 05:02:59,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 05:02:59,093 INFO L93 Difference]: Finished difference Result 28 states and 27 transitions. [2018-11-10 05:02:59,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-10 05:02:59,093 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 27 [2018-11-10 05:02:59,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 05:02:59,094 INFO L225 Difference]: With dead ends: 28 [2018-11-10 05:02:59,094 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 05:02:59,094 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2018-11-10 05:02:59,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 05:02:59,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 05:02:59,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 05:02:59,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 05:02:59,095 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2018-11-10 05:02:59,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 05:02:59,095 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 05:02:59,095 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-10 05:02:59,096 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 05:02:59,096 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 05:02:59,098 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 05:02:59,231 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 05:02:59,232 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-10 05:02:59,232 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 05:02:59,232 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 05:02:59,232 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-10 05:02:59,232 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 05:02:59,232 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 05:02:59,232 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 93 111) the Hoare annotation is: true [2018-11-10 05:02:59,233 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 106) no Hoare annotation was computed. [2018-11-10 05:02:59,233 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 93 111) no Hoare annotation was computed. [2018-11-10 05:02:59,233 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 93 111) no Hoare annotation was computed. [2018-11-10 05:02:59,233 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-10 05:02:59,233 INFO L425 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2018-11-10 05:02:59,233 INFO L421 ceAbstractionStarter]: At program point L105-1(line 105) the Hoare annotation is: (and (= (_ +zero 8 24) main_~x~0) (= (_ +zero 8 24) main_~res~0) |main_#t~short9|) [2018-11-10 05:02:59,233 INFO L425 ceAbstractionStarter]: For program point L105-2(line 105) no Hoare annotation was computed. [2018-11-10 05:02:59,233 INFO L421 ceAbstractionStarter]: At program point L102(line 102) the Hoare annotation is: (= (_ +zero 8 24) main_~x~0) [2018-11-10 05:02:59,234 INFO L425 ceAbstractionStarter]: For program point L102-1(line 102) no Hoare annotation was computed. [2018-11-10 05:02:59,234 INFO L425 ceAbstractionStarter]: For program point L105-4(lines 105 108) no Hoare annotation was computed. [2018-11-10 05:02:59,234 INFO L425 ceAbstractionStarter]: For program point L35-2(lines 35 39) no Hoare annotation was computed. [2018-11-10 05:02:59,234 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 32) no Hoare annotation was computed. [2018-11-10 05:02:59,234 INFO L425 ceAbstractionStarter]: For program point L52(lines 52 56) no Hoare annotation was computed. [2018-11-10 05:02:59,234 INFO L425 ceAbstractionStarter]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2018-11-10 05:02:59,234 INFO L425 ceAbstractionStarter]: For program point L52-2(lines 52 56) no Hoare annotation was computed. [2018-11-10 05:02:59,234 INFO L421 ceAbstractionStarter]: At program point L19-3(lines 19 23) the Hoare annotation is: (= |__ieee754_sqrtf_#in~x| __ieee754_sqrtf_~x) [2018-11-10 05:02:59,234 INFO L425 ceAbstractionStarter]: For program point L19-4(lines 19 23) no Hoare annotation was computed. [2018-11-10 05:02:59,234 INFO L425 ceAbstractionStarter]: For program point L73-1(lines 73 77) no Hoare annotation was computed. [2018-11-10 05:02:59,235 INFO L421 ceAbstractionStarter]: At program point L73-3(lines 73 77) the Hoare annotation is: (and (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (= (bvand __ieee754_sqrtf_~ix~0 (_ bv2147483647 32)) __ieee754_sqrtf_~hx~0) (= (fp ((_ extract 31 31) __ieee754_sqrtf_~ix~0) ((_ extract 30 23) __ieee754_sqrtf_~ix~0) ((_ extract 22 0) __ieee754_sqrtf_~ix~0)) |__ieee754_sqrtf_#in~x|))) (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (not (= (bvand __ieee754_sqrtf_~ix~0 (_ bv2147483647 32)) (_ bv0 32))) (= (fp ((_ extract 31 31) __ieee754_sqrtf_~ix~0) ((_ extract 30 23) __ieee754_sqrtf_~ix~0) ((_ extract 22 0) __ieee754_sqrtf_~ix~0)) |__ieee754_sqrtf_#in~x|))) (= |__ieee754_sqrtf_#in~x| __ieee754_sqrtf_~x)) [2018-11-10 05:02:59,235 INFO L425 ceAbstractionStarter]: For program point L73-4(lines 73 77) no Hoare annotation was computed. [2018-11-10 05:02:59,235 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 36 37) no Hoare annotation was computed. [2018-11-10 05:02:59,235 INFO L425 ceAbstractionStarter]: For program point L36-3(lines 36 37) no Hoare annotation was computed. [2018-11-10 05:02:59,235 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 68) no Hoare annotation was computed. [2018-11-10 05:02:59,235 INFO L421 ceAbstractionStarter]: At program point L36-4(lines 36 37) the Hoare annotation is: (and (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (not (= (bvand __ieee754_sqrtf_~ix~0 (_ bv2147483647 32)) (_ bv0 32))) (= (fp ((_ extract 31 31) __ieee754_sqrtf_~ix~0) ((_ extract 30 23) __ieee754_sqrtf_~ix~0) ((_ extract 22 0) __ieee754_sqrtf_~ix~0)) |__ieee754_sqrtf_#in~x|))) (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (= (bvand __ieee754_sqrtf_~ix~0 (_ bv2147483647 32)) __ieee754_sqrtf_~hx~0) (= (fp ((_ extract 31 31) __ieee754_sqrtf_~ix~0) ((_ extract 30 23) __ieee754_sqrtf_~ix~0) ((_ extract 22 0) __ieee754_sqrtf_~ix~0)) |__ieee754_sqrtf_#in~x|))) (= |__ieee754_sqrtf_#in~x| __ieee754_sqrtf_~x)) [2018-11-10 05:02:59,235 INFO L425 ceAbstractionStarter]: For program point L36-5(lines 36 37) no Hoare annotation was computed. [2018-11-10 05:02:59,236 INFO L425 ceAbstractionStarter]: For program point L61(lines 61 70) no Hoare annotation was computed. [2018-11-10 05:02:59,236 INFO L428 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 14 79) the Hoare annotation is: true [2018-11-10 05:02:59,236 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 14 79) no Hoare annotation was computed. [2018-11-10 05:02:59,236 INFO L425 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2018-11-10 05:02:59,236 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 14 79) no Hoare annotation was computed. [2018-11-10 05:02:59,236 INFO L425 ceAbstractionStarter]: For program point L50-1(lines 50 59) no Hoare annotation was computed. [2018-11-10 05:02:59,236 INFO L421 ceAbstractionStarter]: At program point L50-3(lines 50 59) the Hoare annotation is: (and (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (= (bvand __ieee754_sqrtf_~ix~0 (_ bv2147483647 32)) __ieee754_sqrtf_~hx~0) (= (fp ((_ extract 31 31) __ieee754_sqrtf_~ix~0) ((_ extract 30 23) __ieee754_sqrtf_~ix~0) ((_ extract 22 0) __ieee754_sqrtf_~ix~0)) |__ieee754_sqrtf_#in~x|))) (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (not (= (bvand __ieee754_sqrtf_~ix~0 (_ bv2147483647 32)) (_ bv0 32))) (= (fp ((_ extract 31 31) __ieee754_sqrtf_~ix~0) ((_ extract 30 23) __ieee754_sqrtf_~ix~0) ((_ extract 22 0) __ieee754_sqrtf_~ix~0)) |__ieee754_sqrtf_#in~x|))) (= |__ieee754_sqrtf_#in~x| __ieee754_sqrtf_~x)) [2018-11-10 05:02:59,236 INFO L425 ceAbstractionStarter]: For program point L50-4(lines 14 79) no Hoare annotation was computed. [2018-11-10 05:02:59,237 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2018-11-10 05:02:59,237 INFO L425 ceAbstractionStarter]: For program point L42-2(lines 42 43) no Hoare annotation was computed. [2018-11-10 05:02:59,237 INFO L425 ceAbstractionStarter]: For program point L63(lines 63 69) no Hoare annotation was computed. [2018-11-10 05:02:59,237 INFO L425 ceAbstractionStarter]: For program point L26(lines 26 27) no Hoare annotation was computed. [2018-11-10 05:02:59,237 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 39) no Hoare annotation was computed. [2018-11-10 05:02:59,237 INFO L425 ceAbstractionStarter]: For program point __signbit_floatFINAL(lines 81 91) no Hoare annotation was computed. [2018-11-10 05:02:59,237 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 84 88) no Hoare annotation was computed. [2018-11-10 05:02:59,237 INFO L421 ceAbstractionStarter]: At program point L84-3(lines 84 88) the Hoare annotation is: (= |__signbit_float_#in~x| __signbit_float_~x) [2018-11-10 05:02:59,237 INFO L428 ceAbstractionStarter]: At program point __signbit_floatENTRY(lines 81 91) the Hoare annotation is: true [2018-11-10 05:02:59,237 INFO L425 ceAbstractionStarter]: For program point L84-4(lines 84 88) no Hoare annotation was computed. [2018-11-10 05:02:59,237 INFO L425 ceAbstractionStarter]: For program point __signbit_floatEXIT(lines 81 91) no Hoare annotation was computed. [2018-11-10 05:02:59,245 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,246 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,246 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,247 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,247 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,247 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,247 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,247 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,248 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,248 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,248 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,248 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,249 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,249 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,249 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,249 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,250 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,250 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,250 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,250 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,250 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,250 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,251 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,251 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,251 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,251 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,251 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,252 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,252 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,252 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,252 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,252 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,253 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,253 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,253 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,253 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,254 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,254 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,254 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,254 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,255 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,255 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,255 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,255 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,256 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,256 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,256 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,256 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 05:02:59 BoogieIcfgContainer [2018-11-10 05:02:59,258 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 05:02:59,259 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:02:59,259 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:02:59,259 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:02:59,259 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:02:55" (3/4) ... [2018-11-10 05:02:59,262 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 05:02:59,268 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 05:02:59,268 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 05:02:59,269 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-11-10 05:02:59,269 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_float [2018-11-10 05:02:59,272 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2018-11-10 05:02:59,273 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2018-11-10 05:02:59,273 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 05:02:59,289 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-10 05:02:59,290 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-10 05:02:59,290 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists __ieee754_sqrtf_~ix~0 : bv32 :: !(~bvand32(__ieee754_sqrtf_~ix~0, 2147483647bv32) == 0bv32) && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvand32(__ieee754_sqrtf_~ix~0, 2147483647bv32) == hx && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x))) && \old(x) == x [2018-11-10 05:02:59,290 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvand32(__ieee754_sqrtf_~ix~0, 2147483647bv32) == hx && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: !(~bvand32(__ieee754_sqrtf_~ix~0, 2147483647bv32) == 0bv32) && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x))) && \old(x) == x [2018-11-10 05:02:59,290 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvand32(__ieee754_sqrtf_~ix~0, 2147483647bv32) == hx && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: !(~bvand32(__ieee754_sqrtf_~ix~0, 2147483647bv32) == 0bv32) && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x))) && \old(x) == x [2018-11-10 05:02:59,319 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fd2d845c-ca87-43c7-be45-be1bb5724b89/bin-2019/utaipan/witness.graphml [2018-11-10 05:02:59,319 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:02:59,320 INFO L168 Benchmark]: Toolchain (without parser) took 4910.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 954.6 MB in the beginning and 897.1 MB in the end (delta: 57.5 MB). Peak memory consumption was 206.4 MB. Max. memory is 11.5 GB. [2018-11-10 05:02:59,321 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:02:59,321 INFO L168 Benchmark]: CACSL2BoogieTranslator took 200.92 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 938.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 05:02:59,321 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.03 ms. Allocated memory is still 1.0 GB. Free memory is still 938.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:02:59,321 INFO L168 Benchmark]: Boogie Preprocessor took 23.66 ms. Allocated memory is still 1.0 GB. Free memory was 938.5 MB in the beginning and 933.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 05:02:59,322 INFO L168 Benchmark]: RCFGBuilder took 1007.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -174.2 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:02:59,322 INFO L168 Benchmark]: TraceAbstraction took 3578.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 903.8 MB in the end (delta: 203.5 MB). Peak memory consumption was 203.5 MB. Max. memory is 11.5 GB. [2018-11-10 05:02:59,322 INFO L168 Benchmark]: Witness Printer took 60.39 ms. Allocated memory is still 1.2 GB. Free memory was 903.8 MB in the beginning and 897.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:02:59,323 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 200.92 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 938.5 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 35.03 ms. Allocated memory is still 1.0 GB. Free memory is still 938.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.66 ms. Allocated memory is still 1.0 GB. Free memory was 938.5 MB in the beginning and 933.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1007.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -174.2 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3578.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 903.8 MB in the end (delta: 203.5 MB). Peak memory consumption was 203.5 MB. Max. memory is 11.5 GB. * Witness Printer took 60.39 ms. Allocated memory is still 1.2 GB. Free memory was 903.8 MB in the beginning and 897.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 106]: 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: 19]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 36]: Loop Invariant [2018-11-10 05:02:59,327 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,327 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,327 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,328 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,328 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,328 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,328 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,328 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,329 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,329 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,329 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,329 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,329 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,329 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,330 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,330 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] Derived loop invariant: ((\exists __ieee754_sqrtf_~ix~0 : bv32 :: !(~bvand32(__ieee754_sqrtf_~ix~0, 2147483647bv32) == 0bv32) && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvand32(__ieee754_sqrtf_~ix~0, 2147483647bv32) == hx && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x))) && \old(x) == x - InvariantResult [Line: 50]: Loop Invariant [2018-11-10 05:02:59,330 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,330 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,330 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,331 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,331 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,331 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,331 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,331 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,332 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,332 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,332 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,332 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,332 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,332 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,332 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,333 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] Derived loop invariant: ((\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvand32(__ieee754_sqrtf_~ix~0, 2147483647bv32) == hx && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: !(~bvand32(__ieee754_sqrtf_~ix~0, 2147483647bv32) == 0bv32) && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x))) && \old(x) == x - InvariantResult [Line: 73]: Loop Invariant [2018-11-10 05:02:59,334 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,334 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,334 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,334 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,334 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,334 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,334 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,335 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,335 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,335 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,335 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,336 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,336 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,336 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,336 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-10 05:02:59,336 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] Derived loop invariant: ((\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvand32(__ieee754_sqrtf_~ix~0, 2147483647bv32) == hx && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: !(~bvand32(__ieee754_sqrtf_~ix~0, 2147483647bv32) == 0bv32) && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x))) && \old(x) == x - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: \old(x) == x - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 52 locations, 1 error locations. SAFE Result, 3.5s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 2.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 221 SDtfs, 276 SDslu, 630 SDs, 0 SdLazy, 234 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 19 PreInvPairs, 26 NumberOfFragments, 134 HoareAnnotationTreeSize, 19 FomulaSimplifications, 147 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 96 ConstructedInterpolants, 10 QuantifiedInterpolants, 8559 SizeOfPredicates, 31 NumberOfNonLiveVariables, 372 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...