./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0970a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6f1f9a10-09a0-4213-a42d-fe24ceb04ff4/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6f1f9a10-09a0-4213-a42d-fe24ceb04ff4/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6f1f9a10-09a0-4213-a42d-fe24ceb04ff4/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6f1f9a10-09a0-4213-a42d-fe24ceb04ff4/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0970a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6f1f9a10-09a0-4213-a42d-fe24ceb04ff4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6f1f9a10-09a0-4213-a42d-fe24ceb04ff4/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 963536477b49c0268678cb8326bb32feb993b05a .................................................................................................................................................................................................................................................................................................................................................. 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_6f1f9a10-09a0-4213-a42d-fe24ceb04ff4/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6f1f9a10-09a0-4213-a42d-fe24ceb04ff4/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6f1f9a10-09a0-4213-a42d-fe24ceb04ff4/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6f1f9a10-09a0-4213-a42d-fe24ceb04ff4/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0970a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6f1f9a10-09a0-4213-a42d-fe24ceb04ff4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6f1f9a10-09a0-4213-a42d-fe24ceb04ff4/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 963536477b49c0268678cb8326bb32feb993b05a .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 11:18:41,323 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 11:18:41,324 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 11:18:41,330 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 11:18:41,330 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 11:18:41,330 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 11:18:41,331 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 11:18:41,332 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 11:18:41,333 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 11:18:41,333 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 11:18:41,333 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 11:18:41,334 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 11:18:41,334 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 11:18:41,335 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 11:18:41,335 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 11:18:41,336 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 11:18:41,336 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 11:18:41,337 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 11:18:41,338 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 11:18:41,338 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 11:18:41,339 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 11:18:41,339 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 11:18:41,341 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 11:18:41,341 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 11:18:41,341 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 11:18:41,341 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 11:18:41,342 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 11:18:41,342 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 11:18:41,343 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 11:18:41,343 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 11:18:41,343 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 11:18:41,344 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 11:18:41,344 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 11:18:41,344 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 11:18:41,345 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 11:18:41,345 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 11:18:41,345 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6f1f9a10-09a0-4213-a42d-fe24ceb04ff4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 11:18:41,352 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 11:18:41,352 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 11:18:41,353 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 11:18:41,353 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 11:18:41,353 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 11:18:41,353 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 11:18:41,354 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 11:18:41,354 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 11:18:41,354 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 11:18:41,354 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 11:18:41,354 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 11:18:41,354 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 11:18:41,354 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 11:18:41,355 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 11:18:41,355 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 11:18:41,355 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 11:18:41,355 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 11:18:41,355 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 11:18:41,355 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 11:18:41,355 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 11:18:41,356 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 11:18:41,356 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 11:18:41,356 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 11:18:41,356 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 11:18:41,356 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 11:18:41,356 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 11:18:41,356 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 11:18:41,357 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 11:18:41,357 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 11:18:41,357 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 11:18:41,357 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 11:18:41,357 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 11:18:41,357 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 11:18:41,357 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 11:18:41,357 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 11:18:41,358 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 11:18:41,358 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_6f1f9a10-09a0-4213-a42d-fe24ceb04ff4/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 -> 963536477b49c0268678cb8326bb32feb993b05a [2018-12-09 11:18:41,375 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 11:18:41,382 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 11:18:41,384 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 11:18:41,384 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 11:18:41,385 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 11:18:41,385 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6f1f9a10-09a0-4213-a42d-fe24ceb04ff4/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0970a_true-unreach-call.c [2018-12-09 11:18:41,429 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6f1f9a10-09a0-4213-a42d-fe24ceb04ff4/bin-2019/utaipan/data/06ac9b1c3/3865e5466fa14bb3b745553e2b8c6196/FLAGf08d8b780 [2018-12-09 11:18:41,835 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 11:18:41,835 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6f1f9a10-09a0-4213-a42d-fe24ceb04ff4/sv-benchmarks/c/float-newlib/float_req_bl_0970a_true-unreach-call.c [2018-12-09 11:18:41,839 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6f1f9a10-09a0-4213-a42d-fe24ceb04ff4/bin-2019/utaipan/data/06ac9b1c3/3865e5466fa14bb3b745553e2b8c6196/FLAGf08d8b780 [2018-12-09 11:18:41,848 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6f1f9a10-09a0-4213-a42d-fe24ceb04ff4/bin-2019/utaipan/data/06ac9b1c3/3865e5466fa14bb3b745553e2b8c6196 [2018-12-09 11:18:41,850 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 11:18:41,851 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 11:18:41,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 11:18:41,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 11:18:41,853 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 11:18:41,854 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:18:41" (1/1) ... [2018-12-09 11:18:41,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58f41b83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:18:41, skipping insertion in model container [2018-12-09 11:18:41,856 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:18:41" (1/1) ... [2018-12-09 11:18:41,862 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 11:18:41,879 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 11:18:41,998 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:18:42,000 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 11:18:42,030 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:18:42,074 INFO L195 MainTranslator]: Completed translation [2018-12-09 11:18:42,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:18:42 WrapperNode [2018-12-09 11:18:42,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 11:18:42,075 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 11:18:42,075 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 11:18:42,075 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 11:18:42,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:18:42" (1/1) ... [2018-12-09 11:18:42,086 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:18:42" (1/1) ... [2018-12-09 11:18:42,091 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 11:18:42,091 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 11:18:42,091 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 11:18:42,091 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 11:18:42,097 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:18:42" (1/1) ... [2018-12-09 11:18:42,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:18:42" (1/1) ... [2018-12-09 11:18:42,099 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:18:42" (1/1) ... [2018-12-09 11:18:42,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:18:42" (1/1) ... [2018-12-09 11:18:42,107 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:18:42" (1/1) ... [2018-12-09 11:18:42,113 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:18:42" (1/1) ... [2018-12-09 11:18:42,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:18:42" (1/1) ... [2018-12-09 11:18:42,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 11:18:42,117 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 11:18:42,117 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 11:18:42,117 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 11:18:42,118 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:18:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6f1f9a10-09a0-4213-a42d-fe24ceb04ff4/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 11:18:42,147 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_float [2018-12-09 11:18:42,147 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_float [2018-12-09 11:18:42,147 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 11:18:42,147 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 11:18:42,147 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-12-09 11:18:42,147 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-12-09 11:18:42,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-09 11:18:42,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 11:18:42,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 11:18:42,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 11:18:42,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-09 11:18:42,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 11:18:42,148 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-12-09 11:18:42,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-12-09 11:18:42,148 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10f [2018-12-09 11:18:42,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10f [2018-12-09 11:18:42,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 11:18:42,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 11:18:42,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 11:18:42,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 11:18:42,370 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 11:18:42,370 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-09 11:18:42,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:18:42 BoogieIcfgContainer [2018-12-09 11:18:42,371 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 11:18:42,371 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 11:18:42,372 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 11:18:42,374 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 11:18:42,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 11:18:41" (1/3) ... [2018-12-09 11:18:42,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51a1d1d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:18:42, skipping insertion in model container [2018-12-09 11:18:42,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:18:42" (2/3) ... [2018-12-09 11:18:42,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51a1d1d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:18:42, skipping insertion in model container [2018-12-09 11:18:42,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:18:42" (3/3) ... [2018-12-09 11:18:42,376 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0970a_true-unreach-call.c [2018-12-09 11:18:42,381 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 11:18:42,386 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 11:18:42,394 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 11:18:42,411 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 11:18:42,412 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 11:18:42,412 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 11:18:42,412 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 11:18:42,412 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 11:18:42,412 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 11:18:42,412 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 11:18:42,412 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 11:18:42,422 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2018-12-09 11:18:42,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 11:18:42,425 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:18:42,425 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:18:42,427 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:18:42,430 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:18:42,430 INFO L82 PathProgramCache]: Analyzing trace with hash 1246342872, now seen corresponding path program 1 times [2018-12-09 11:18:42,431 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:18:42,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:18:42,458 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:18:42,459 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:18:42,459 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:18:42,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:42,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:18:42,538 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:18:42,538 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 11:18:42,538 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:18:42,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 11:18:42,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 11:18:42,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 11:18:42,555 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 3 states. [2018-12-09 11:18:42,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:18:42,584 INFO L93 Difference]: Finished difference Result 134 states and 198 transitions. [2018-12-09 11:18:42,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 11:18:42,585 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2018-12-09 11:18:42,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:18:42,590 INFO L225 Difference]: With dead ends: 134 [2018-12-09 11:18:42,590 INFO L226 Difference]: Without dead ends: 66 [2018-12-09 11:18:42,592 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 11:18:42,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-12-09 11:18:42,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2018-12-09 11:18:42,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-12-09 11:18:42,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 80 transitions. [2018-12-09 11:18:42,617 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 80 transitions. Word has length 23 [2018-12-09 11:18:42,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:18:42,618 INFO L480 AbstractCegarLoop]: Abstraction has 66 states and 80 transitions. [2018-12-09 11:18:42,618 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 11:18:42,618 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 80 transitions. [2018-12-09 11:18:42,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 11:18:42,618 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:18:42,618 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:18:42,619 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:18:42,619 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:18:42,619 INFO L82 PathProgramCache]: Analyzing trace with hash -1452208950, now seen corresponding path program 1 times [2018-12-09 11:18:42,619 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:18:42,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:18:42,620 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:18:42,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:18:42,620 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:18:42,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:18:42,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:18:42,687 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 11:18:42,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 11:18:42 BoogieIcfgContainer [2018-12-09 11:18:42,712 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 11:18:42,713 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 11:18:42,713 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 11:18:42,713 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 11:18:42,713 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:18:42" (3/4) ... [2018-12-09 11:18:42,715 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 11:18:42,715 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 11:18:42,716 INFO L168 Benchmark]: Toolchain (without parser) took 865.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -95.9 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2018-12-09 11:18:42,717 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:18:42,717 INFO L168 Benchmark]: CACSL2BoogieTranslator took 223.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -167.9 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. [2018-12-09 11:18:42,717 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 11:18:42,718 INFO L168 Benchmark]: Boogie Preprocessor took 26.07 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. [2018-12-09 11:18:42,718 INFO L168 Benchmark]: RCFGBuilder took 253.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.7 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. [2018-12-09 11:18:42,718 INFO L168 Benchmark]: TraceAbstraction took 341.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. [2018-12-09 11:18:42,718 INFO L168 Benchmark]: Witness Printer took 2.64 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. [2018-12-09 11:18:42,720 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 223.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -167.9 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 253.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.7 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 341.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. * Witness Printer took 2.64 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 174]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 145, overapproximation of bitwiseAnd at line 116, overapproximation of someBinaryArithmeticFLOAToperation at line 117. Possible FailurePath: [L12-L16] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L18] static const float zero_log = 0.0; [L98-L101] static const float two25_log10 = 3.3554432000e+07, ivln10_log10 = 4.3429449201e-01, log10_2hi_log10 = 3.0102920532e-01, log10_2lo_log10 = 7.9034151668e-07; [L103] static const float zero = 0.0; VAL [\old(ivln10_log10)=6442450957, \old(Lg1_log)=6442450954, \old(Lg2_log)=6442450955, \old(Lg3_log)=6442450956, \old(Lg4_log)=6442450959, \old(Lg5_log)=6442450961, \old(Lg6_log)=6442450968, \old(Lg7_log)=6442450965, \old(ln2_hi_log)=6442450945, \old(ln2_lo_log)=6442450949, \old(log10_2hi_log10)=6442450951, \old(log10_2lo_log10)=6442450967, \old(two25_log)=6442450964, \old(two25_log10)=6442450952, \old(zero)=6442450969, \old(zero_log)=6442450950, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L166] float x = __VERIFIER_nondet_float(); [L168] x < 0 && isfinite_float(x) VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450960, x < 0 && isfinite_float(x)=1, zero=0, zero_log=0] [L168] CALL, EXPR isfinite_float(x) VAL [\old(x)=6442450960, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L149] __int32_t ix; VAL [\old(x)=6442450960, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450960, zero=0, zero_log=0] [L151] ieee_float_shape_type gf_u; [L152] gf_u.value = (x) [L153] EXPR gf_u.word [L153] (ix) = gf_u.word [L155] ix &= 0x7fffffff [L156] return (((ix) < 0x7f800000L)); VAL [\old(x)=6442450960, \result=1, ivln10_log10=43429449201/100000000000, ix=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450960, zero=0, zero_log=0] [L168] RET, EXPR isfinite_float(x) VAL [isfinite_float(x)=1, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450960, x < 0 && isfinite_float(x)=1, zero=0, zero_log=0] [L168] x < 0 && isfinite_float(x) VAL [isfinite_float(x)=1, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450960, x < 0 && isfinite_float(x)=1, zero=0, zero_log=0] [L168] COND TRUE x < 0 && isfinite_float(x) [L170] CALL, EXPR __ieee754_log10f(x) VAL [\old(x)=6442450960, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L106] float y, z; [L107] __int32_t i, k, hx; VAL [\old(x)=6442450960, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450960, zero=0, zero_log=0] [L110] ieee_float_shape_type gf_u; [L111] gf_u.value = (x) [L112] EXPR gf_u.word [L112] (hx) = gf_u.word [L115] k = 0 VAL [\old(x)=6442450960, hx=3, ivln10_log10=43429449201/100000000000, k=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450960, zero=0, zero_log=0] [L116] COND TRUE ((hx & 0x7fffffff) == 0) [L117] return -two25_log10 / zero; VAL [\old(x)=6442450960, hx=3, ivln10_log10=43429449201/100000000000, k=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450960, zero=0, zero_log=0] [L170] RET, EXPR __ieee754_log10f(x) VAL [__ieee754_log10f(x)=6442450970, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450960, zero=0, zero_log=0] [L170] float res = __ieee754_log10f(x); [L173] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450970, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L145] return x != x; VAL [\old(x)=6442450970, \result=0, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450970, zero=0, zero_log=0] [L173] RET, EXPR isnan_float(res) VAL [isnan_float(res)=0, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, res=6442450970, two25_log=33554432, two25_log10=33554432, x=6442450960, zero=0, zero_log=0] [L173] COND TRUE !isnan_float(res) [L174] __VERIFIER_error() VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, res=6442450970, two25_log=33554432, two25_log10=33554432, x=6442450960, zero=0, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 71 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 86 SDtfs, 0 SDslu, 81 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=71occurred 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, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 506 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-09 11:18:44,095 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 11:18:44,096 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 11:18:44,104 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 11:18:44,105 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 11:18:44,105 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 11:18:44,106 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 11:18:44,107 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 11:18:44,108 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 11:18:44,109 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 11:18:44,110 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 11:18:44,110 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 11:18:44,110 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 11:18:44,111 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 11:18:44,112 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 11:18:44,112 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 11:18:44,113 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 11:18:44,114 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 11:18:44,115 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 11:18:44,116 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 11:18:44,117 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 11:18:44,118 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 11:18:44,120 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 11:18:44,120 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 11:18:44,120 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 11:18:44,120 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 11:18:44,121 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 11:18:44,122 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 11:18:44,122 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 11:18:44,123 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 11:18:44,123 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 11:18:44,123 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 11:18:44,123 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 11:18:44,123 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 11:18:44,124 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 11:18:44,124 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 11:18:44,124 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6f1f9a10-09a0-4213-a42d-fe24ceb04ff4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 11:18:44,131 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 11:18:44,131 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 11:18:44,132 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 11:18:44,132 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 11:18:44,132 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 11:18:44,132 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 11:18:44,132 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 11:18:44,132 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 11:18:44,132 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 11:18:44,132 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 11:18:44,133 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 11:18:44,133 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 11:18:44,133 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 11:18:44,133 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 11:18:44,133 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 11:18:44,133 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 11:18:44,133 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 11:18:44,133 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 11:18:44,133 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 11:18:44,133 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 11:18:44,134 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 11:18:44,134 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 11:18:44,134 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 11:18:44,134 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 11:18:44,134 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 11:18:44,134 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 11:18:44,134 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 11:18:44,134 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 11:18:44,134 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 11:18:44,134 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 11:18:44,135 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 11:18:44,135 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 11:18:44,135 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 11:18:44,135 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 11:18:44,135 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 11:18:44,135 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_6f1f9a10-09a0-4213-a42d-fe24ceb04ff4/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 -> 963536477b49c0268678cb8326bb32feb993b05a [2018-12-09 11:18:44,153 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 11:18:44,160 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 11:18:44,162 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 11:18:44,162 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 11:18:44,163 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 11:18:44,163 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6f1f9a10-09a0-4213-a42d-fe24ceb04ff4/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0970a_true-unreach-call.c [2018-12-09 11:18:44,197 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6f1f9a10-09a0-4213-a42d-fe24ceb04ff4/bin-2019/utaipan/data/7251a3ea6/d46b885d08d44275b2c7710fe656a99f/FLAG1455ffd41 [2018-12-09 11:18:44,587 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 11:18:44,588 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6f1f9a10-09a0-4213-a42d-fe24ceb04ff4/sv-benchmarks/c/float-newlib/float_req_bl_0970a_true-unreach-call.c [2018-12-09 11:18:44,594 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6f1f9a10-09a0-4213-a42d-fe24ceb04ff4/bin-2019/utaipan/data/7251a3ea6/d46b885d08d44275b2c7710fe656a99f/FLAG1455ffd41 [2018-12-09 11:18:44,602 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6f1f9a10-09a0-4213-a42d-fe24ceb04ff4/bin-2019/utaipan/data/7251a3ea6/d46b885d08d44275b2c7710fe656a99f [2018-12-09 11:18:44,604 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 11:18:44,604 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 11:18:44,605 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 11:18:44,605 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 11:18:44,608 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 11:18:44,609 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:18:44" (1/1) ... [2018-12-09 11:18:44,611 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@284ba15b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:18:44, skipping insertion in model container [2018-12-09 11:18:44,611 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:18:44" (1/1) ... [2018-12-09 11:18:44,616 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 11:18:44,634 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 11:18:44,753 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:18:44,757 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 11:18:44,788 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:18:44,802 INFO L195 MainTranslator]: Completed translation [2018-12-09 11:18:44,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:18:44 WrapperNode [2018-12-09 11:18:44,803 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 11:18:44,803 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 11:18:44,803 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 11:18:44,803 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 11:18:44,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:18:44" (1/1) ... [2018-12-09 11:18:44,815 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:18:44" (1/1) ... [2018-12-09 11:18:44,850 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 11:18:44,850 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 11:18:44,850 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 11:18:44,850 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 11:18:44,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:18:44" (1/1) ... [2018-12-09 11:18:44,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:18:44" (1/1) ... [2018-12-09 11:18:44,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:18:44" (1/1) ... [2018-12-09 11:18:44,861 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:18:44" (1/1) ... [2018-12-09 11:18:44,874 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:18:44" (1/1) ... [2018-12-09 11:18:44,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:18:44" (1/1) ... [2018-12-09 11:18:44,883 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:18:44" (1/1) ... [2018-12-09 11:18:44,886 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 11:18:44,886 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 11:18:44,887 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 11:18:44,887 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 11:18:44,887 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:18:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6f1f9a10-09a0-4213-a42d-fe24ceb04ff4/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 11:18:44,919 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_float [2018-12-09 11:18:44,919 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_float [2018-12-09 11:18:44,920 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 11:18:44,920 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 11:18:44,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-09 11:18:44,920 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-12-09 11:18:44,920 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-12-09 11:18:44,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 11:18:44,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 11:18:44,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 11:18:44,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 11:18:44,921 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-12-09 11:18:44,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-12-09 11:18:44,921 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10f [2018-12-09 11:18:44,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10f [2018-12-09 11:18:44,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 11:18:44,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 11:18:44,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-09 11:18:44,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 11:18:44,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 11:18:45,019 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 11:18:47,645 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 11:18:48,194 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 11:18:55,455 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 11:18:56,277 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 11:18:57,055 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 11:18:57,055 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-09 11:18:57,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:18:57 BoogieIcfgContainer [2018-12-09 11:18:57,055 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 11:18:57,056 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 11:18:57,056 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 11:18:57,058 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 11:18:57,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 11:18:44" (1/3) ... [2018-12-09 11:18:57,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c9f96e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:18:57, skipping insertion in model container [2018-12-09 11:18:57,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:18:44" (2/3) ... [2018-12-09 11:18:57,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c9f96e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:18:57, skipping insertion in model container [2018-12-09 11:18:57,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:18:57" (3/3) ... [2018-12-09 11:18:57,060 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0970a_true-unreach-call.c [2018-12-09 11:18:57,068 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 11:18:57,074 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 11:18:57,083 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 11:18:57,099 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 11:18:57,099 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 11:18:57,099 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 11:18:57,100 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 11:18:57,100 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 11:18:57,100 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 11:18:57,100 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 11:18:57,100 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 11:18:57,100 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 11:18:57,112 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states. [2018-12-09 11:18:57,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 11:18:57,116 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:18:57,117 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:18:57,118 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:18:57,121 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:18:57,122 INFO L82 PathProgramCache]: Analyzing trace with hash 719600362, now seen corresponding path program 1 times [2018-12-09 11:18:57,124 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 11:18:57,124 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6f1f9a10-09a0-4213-a42d-fe24ceb04ff4/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-09 11:18:57,128 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:18:57,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:57,335 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:18:57,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:18:57,346 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 11:18:57,356 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:18:57,356 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 11:18:57,359 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 11:18:57,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 11:18:57,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 11:18:57,367 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 2 states. [2018-12-09 11:18:57,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:18:57,388 INFO L93 Difference]: Finished difference Result 131 states and 194 transitions. [2018-12-09 11:18:57,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 11:18:57,389 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-12-09 11:18:57,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:18:57,397 INFO L225 Difference]: With dead ends: 131 [2018-12-09 11:18:57,398 INFO L226 Difference]: Without dead ends: 65 [2018-12-09 11:18:57,400 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 11:18:57,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-12-09 11:18:57,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-12-09 11:18:57,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-12-09 11:18:57,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 80 transitions. [2018-12-09 11:18:57,427 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 80 transitions. Word has length 22 [2018-12-09 11:18:57,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:18:57,427 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 80 transitions. [2018-12-09 11:18:57,427 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 11:18:57,427 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 80 transitions. [2018-12-09 11:18:57,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 11:18:57,428 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:18:57,428 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:18:57,428 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:18:57,428 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:18:57,428 INFO L82 PathProgramCache]: Analyzing trace with hash 1673203401, now seen corresponding path program 1 times [2018-12-09 11:18:57,429 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 11:18:57,429 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6f1f9a10-09a0-4213-a42d-fe24ceb04ff4/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-09 11:18:57,432 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:18:57,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:57,636 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:18:57,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:18:57,646 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 11:18:57,655 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:18:57,655 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 11:18:57,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 11:18:57,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 11:18:57,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 11:18:57,657 INFO L87 Difference]: Start difference. First operand 65 states and 80 transitions. Second operand 3 states. [2018-12-09 11:18:57,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:18:57,671 INFO L93 Difference]: Finished difference Result 115 states and 144 transitions. [2018-12-09 11:18:57,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 11:18:57,672 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2018-12-09 11:18:57,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:18:57,673 INFO L225 Difference]: With dead ends: 115 [2018-12-09 11:18:57,673 INFO L226 Difference]: Without dead ends: 65 [2018-12-09 11:18:57,674 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 11:18:57,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-12-09 11:18:57,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-12-09 11:18:57,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-12-09 11:18:57,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 79 transitions. [2018-12-09 11:18:57,680 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 79 transitions. Word has length 23 [2018-12-09 11:18:57,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:18:57,680 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 79 transitions. [2018-12-09 11:18:57,681 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 11:18:57,681 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 79 transitions. [2018-12-09 11:18:57,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 11:18:57,681 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:18:57,681 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:18:57,682 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:18:57,682 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:18:57,682 INFO L82 PathProgramCache]: Analyzing trace with hash -523840169, now seen corresponding path program 1 times [2018-12-09 11:18:57,682 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 11:18:57,682 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6f1f9a10-09a0-4213-a42d-fe24ceb04ff4/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-09 11:18:57,685 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:18:57,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:18:57,896 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:18:57,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:18:57,977 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 11:18:57,986 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:18:57,986 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 11:18:57,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 11:18:57,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 11:18:57,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 11:18:57,987 INFO L87 Difference]: Start difference. First operand 65 states and 79 transitions. Second operand 7 states. [2018-12-09 11:18:59,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:18:59,775 INFO L93 Difference]: Finished difference Result 79 states and 92 transitions. [2018-12-09 11:18:59,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 11:18:59,776 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2018-12-09 11:18:59,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:18:59,778 INFO L225 Difference]: With dead ends: 79 [2018-12-09 11:18:59,778 INFO L226 Difference]: Without dead ends: 69 [2018-12-09 11:18:59,778 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-12-09 11:18:59,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-12-09 11:18:59,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 65. [2018-12-09 11:18:59,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-12-09 11:18:59,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 78 transitions. [2018-12-09 11:18:59,782 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 78 transitions. Word has length 31 [2018-12-09 11:18:59,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:18:59,783 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 78 transitions. [2018-12-09 11:18:59,783 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 11:18:59,783 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 78 transitions. [2018-12-09 11:18:59,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 11:18:59,783 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:18:59,783 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:18:59,784 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:18:59,784 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:18:59,784 INFO L82 PathProgramCache]: Analyzing trace with hash 988920286, now seen corresponding path program 1 times [2018-12-09 11:18:59,784 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 11:18:59,784 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6f1f9a10-09a0-4213-a42d-fe24ceb04ff4/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-12-09 11:18:59,787 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:19:00,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:00,025 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:19:00,437 WARN L180 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-12-09 11:19:00,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:19:00,781 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 11:19:00,791 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:19:00,792 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 11:19:00,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 11:19:00,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 11:19:00,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-12-09 11:19:00,792 INFO L87 Difference]: Start difference. First operand 65 states and 78 transitions. Second operand 8 states. [2018-12-09 11:19:04,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:19:04,242 INFO L93 Difference]: Finished difference Result 72 states and 85 transitions. [2018-12-09 11:19:04,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 11:19:04,243 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2018-12-09 11:19:04,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:19:04,244 INFO L225 Difference]: With dead ends: 72 [2018-12-09 11:19:04,244 INFO L226 Difference]: Without dead ends: 65 [2018-12-09 11:19:04,244 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2018-12-09 11:19:04,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-12-09 11:19:04,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-12-09 11:19:04,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-12-09 11:19:04,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 77 transitions. [2018-12-09 11:19:04,251 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 77 transitions. Word has length 32 [2018-12-09 11:19:04,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:19:04,251 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 77 transitions. [2018-12-09 11:19:04,252 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 11:19:04,252 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 77 transitions. [2018-12-09 11:19:04,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 11:19:04,252 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:19:04,252 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:19:04,252 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:19:04,253 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:19:04,253 INFO L82 PathProgramCache]: Analyzing trace with hash -146199885, now seen corresponding path program 1 times [2018-12-09 11:19:04,253 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 11:19:04,253 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6f1f9a10-09a0-4213-a42d-fe24ceb04ff4/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-12-09 11:19:04,256 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:19:04,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:04,324 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:19:04,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:19:04,397 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 11:19:04,405 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:19:04,405 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 11:19:04,405 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 11:19:04,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 11:19:04,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 11:19:04,406 INFO L87 Difference]: Start difference. First operand 65 states and 77 transitions. Second operand 7 states. [2018-12-09 11:19:05,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:19:05,583 INFO L93 Difference]: Finished difference Result 69 states and 81 transitions. [2018-12-09 11:19:05,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 11:19:05,584 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2018-12-09 11:19:05,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:19:05,585 INFO L225 Difference]: With dead ends: 69 [2018-12-09 11:19:05,585 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 11:19:05,586 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2018-12-09 11:19:05,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 11:19:05,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 11:19:05,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 11:19:05,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 11:19:05,586 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2018-12-09 11:19:05,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:19:05,586 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 11:19:05,586 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 11:19:05,586 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 11:19:05,587 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 11:19:05,589 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 11:19:05,806 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 18 [2018-12-09 11:19:05,947 INFO L448 ceAbstractionStarter]: For program point isnan_floatFINAL(line 145) no Hoare annotation was computed. [2018-12-09 11:19:05,947 INFO L451 ceAbstractionStarter]: At program point isnan_floatENTRY(line 145) the Hoare annotation is: true [2018-12-09 11:19:05,947 INFO L448 ceAbstractionStarter]: For program point isnan_floatEXIT(line 145) no Hoare annotation was computed. [2018-12-09 11:19:05,948 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 11:19:05,948 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 11:19:05,948 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 11:19:05,948 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 150 154) no Hoare annotation was computed. [2018-12-09 11:19:05,948 INFO L451 ceAbstractionStarter]: At program point L150-2(lines 150 154) the Hoare annotation is: true [2018-12-09 11:19:05,948 INFO L448 ceAbstractionStarter]: For program point L150-3(lines 150 154) no Hoare annotation was computed. [2018-12-09 11:19:05,948 INFO L448 ceAbstractionStarter]: For program point isfinite_floatFINAL(lines 148 157) no Hoare annotation was computed. [2018-12-09 11:19:05,948 INFO L451 ceAbstractionStarter]: At program point isfinite_floatENTRY(lines 148 157) the Hoare annotation is: true [2018-12-09 11:19:05,948 INFO L448 ceAbstractionStarter]: For program point isfinite_floatEXIT(lines 148 157) no Hoare annotation was computed. [2018-12-09 11:19:05,949 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 32) no Hoare annotation was computed. [2018-12-09 11:19:05,949 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 72) no Hoare annotation was computed. [2018-12-09 11:19:05,949 INFO L448 ceAbstractionStarter]: For program point L85(lines 85 89) no Hoare annotation was computed. [2018-12-09 11:19:05,949 INFO L448 ceAbstractionStarter]: For program point L40-1(lines 40 44) no Hoare annotation was computed. [2018-12-09 11:19:05,949 INFO L451 ceAbstractionStarter]: At program point L40-2(lines 40 44) the Hoare annotation is: true [2018-12-09 11:19:05,949 INFO L451 ceAbstractionStarter]: At program point __ieee754_logfENTRY(lines 20 96) the Hoare annotation is: true [2018-12-09 11:19:05,949 INFO L448 ceAbstractionStarter]: For program point __ieee754_logfFINAL(lines 20 96) no Hoare annotation was computed. [2018-12-09 11:19:05,949 INFO L448 ceAbstractionStarter]: For program point L57(lines 57 64) no Hoare annotation was computed. [2018-12-09 11:19:05,949 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 24 28) no Hoare annotation was computed. [2018-12-09 11:19:05,949 INFO L451 ceAbstractionStarter]: At program point L24-2(lines 24 28) the Hoare annotation is: true [2018-12-09 11:19:05,950 INFO L448 ceAbstractionStarter]: For program point L24-3(lines 24 28) no Hoare annotation was computed. [2018-12-09 11:19:05,950 INFO L448 ceAbstractionStarter]: For program point L49-1(lines 49 53) no Hoare annotation was computed. [2018-12-09 11:19:05,950 INFO L451 ceAbstractionStarter]: At program point L49-2(lines 49 53) the Hoare annotation is: true [2018-12-09 11:19:05,950 INFO L448 ceAbstractionStarter]: For program point L49-3(lines 49 53) no Hoare annotation was computed. [2018-12-09 11:19:05,950 INFO L448 ceAbstractionStarter]: For program point L37(lines 37 45) no Hoare annotation was computed. [2018-12-09 11:19:05,950 INFO L448 ceAbstractionStarter]: For program point L37-1(lines 37 45) no Hoare annotation was computed. [2018-12-09 11:19:05,950 INFO L448 ceAbstractionStarter]: For program point L66(lines 66 71) no Hoare annotation was computed. [2018-12-09 11:19:05,950 INFO L448 ceAbstractionStarter]: For program point L33(lines 33 34) no Hoare annotation was computed. [2018-12-09 11:19:05,950 INFO L448 ceAbstractionStarter]: For program point __ieee754_logfEXIT(lines 20 96) no Hoare annotation was computed. [2018-12-09 11:19:05,950 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 94) no Hoare annotation was computed. [2018-12-09 11:19:05,951 INFO L448 ceAbstractionStarter]: For program point L58(lines 58 63) no Hoare annotation was computed. [2018-12-09 11:19:05,951 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 95) no Hoare annotation was computed. [2018-12-09 11:19:05,951 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 36) no Hoare annotation was computed. [2018-12-09 11:19:05,951 INFO L448 ceAbstractionStarter]: For program point L122(lines 122 130) no Hoare annotation was computed. [2018-12-09 11:19:05,951 INFO L448 ceAbstractionStarter]: For program point L122-1(lines 122 130) no Hoare annotation was computed. [2018-12-09 11:19:05,951 INFO L448 ceAbstractionStarter]: For program point L118(lines 118 119) no Hoare annotation was computed. [2018-12-09 11:19:05,951 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 135 139) no Hoare annotation was computed. [2018-12-09 11:19:05,951 INFO L444 ceAbstractionStarter]: At program point L135-2(lines 135 139) the Hoare annotation is: (or (exists ((__ieee754_log10f_~hx~0 (_ BitVec 32))) (and (not (bvslt __ieee754_log10f_~hx~0 (_ bv0 32))) (= (fp ((_ extract 31 31) __ieee754_log10f_~hx~0) ((_ extract 30 23) __ieee754_log10f_~hx~0) ((_ extract 22 0) __ieee754_log10f_~hx~0)) |__ieee754_log10f_#in~x|))) (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0))) [2018-12-09 11:19:05,952 INFO L444 ceAbstractionStarter]: At program point L135-3(lines 135 139) the Hoare annotation is: (or (exists ((__ieee754_log10f_~hx~0 (_ BitVec 32))) (and (not (bvslt __ieee754_log10f_~hx~0 (_ bv0 32))) (= (fp ((_ extract 31 31) __ieee754_log10f_~hx~0) ((_ extract 30 23) __ieee754_log10f_~hx~0) ((_ extract 22 0) __ieee754_log10f_~hx~0)) |__ieee754_log10f_#in~x|))) (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0))) [2018-12-09 11:19:05,952 INFO L448 ceAbstractionStarter]: For program point L140(line 140) no Hoare annotation was computed. [2018-12-09 11:19:05,952 INFO L451 ceAbstractionStarter]: At program point __ieee754_log10fENTRY(lines 105 142) the Hoare annotation is: true [2018-12-09 11:19:05,952 INFO L448 ceAbstractionStarter]: For program point __ieee754_log10fEXIT(lines 105 142) no Hoare annotation was computed. [2018-12-09 11:19:05,952 INFO L448 ceAbstractionStarter]: For program point __ieee754_log10fFINAL(lines 105 142) no Hoare annotation was computed. [2018-12-09 11:19:05,952 INFO L448 ceAbstractionStarter]: For program point L120(lines 120 121) no Hoare annotation was computed. [2018-12-09 11:19:05,952 INFO L448 ceAbstractionStarter]: For program point L116(lines 116 117) no Hoare annotation was computed. [2018-12-09 11:19:05,952 INFO L448 ceAbstractionStarter]: For program point L125-1(lines 125 129) no Hoare annotation was computed. [2018-12-09 11:19:05,952 INFO L444 ceAbstractionStarter]: At program point L125-2(lines 125 129) the Hoare annotation is: (or (and (= (fp ((_ extract 31 31) __ieee754_log10f_~hx~0) ((_ extract 30 23) __ieee754_log10f_~hx~0) ((_ extract 22 0) __ieee754_log10f_~hx~0)) |__ieee754_log10f_#in~x|) (exists ((__ieee754_log10f_~hx~0 (_ BitVec 32))) (and (not (bvslt __ieee754_log10f_~hx~0 (_ bv0 32))) (= (fp ((_ extract 31 31) __ieee754_log10f_~hx~0) ((_ extract 30 23) __ieee754_log10f_~hx~0) ((_ extract 22 0) __ieee754_log10f_~hx~0)) |__ieee754_log10f_#in~x|)))) (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0))) [2018-12-09 11:19:05,952 INFO L448 ceAbstractionStarter]: For program point L109-1(lines 109 113) no Hoare annotation was computed. [2018-12-09 11:19:05,953 INFO L444 ceAbstractionStarter]: At program point L109-2(lines 109 113) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0)) (= |__ieee754_log10f_#in~x| __ieee754_log10f_~x)) [2018-12-09 11:19:05,953 INFO L448 ceAbstractionStarter]: For program point L109-3(lines 109 113) no Hoare annotation was computed. [2018-12-09 11:19:05,953 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 11:19:05,953 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0) [2018-12-09 11:19:05,953 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 11:19:05,953 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 11:19:05,953 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 159 180) the Hoare annotation is: true [2018-12-09 11:19:05,953 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 159 180) no Hoare annotation was computed. [2018-12-09 11:19:05,953 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 174) no Hoare annotation was computed. [2018-12-09 11:19:05,953 INFO L448 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2018-12-09 11:19:05,954 INFO L444 ceAbstractionStarter]: At program point L173(line 173) the Hoare annotation is: (or (and (exists ((__ieee754_log10f_~x (_ FloatingPoint 8 24))) (= (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven __ieee754_log10f_~x __ieee754_log10f_~x) ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))) main_~res~0)) (fp.lt main_~x~0 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)))) (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0))) [2018-12-09 11:19:05,954 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 159 180) no Hoare annotation was computed. [2018-12-09 11:19:05,954 INFO L448 ceAbstractionStarter]: For program point L173-1(lines 173 176) no Hoare annotation was computed. [2018-12-09 11:19:05,954 INFO L444 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0)) (fp.lt main_~x~0 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)))) [2018-12-09 11:19:05,954 INFO L448 ceAbstractionStarter]: For program point L170-1(line 170) no Hoare annotation was computed. [2018-12-09 11:19:05,954 INFO L448 ceAbstractionStarter]: For program point L168(line 168) no Hoare annotation was computed. [2018-12-09 11:19:05,954 INFO L444 ceAbstractionStarter]: At program point L168-1(line 168) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0)) (and |main_#t~short17| (fp.lt main_~x~0 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32))))) [2018-12-09 11:19:05,954 INFO L448 ceAbstractionStarter]: For program point L168-2(line 168) no Hoare annotation was computed. [2018-12-09 11:19:05,954 INFO L448 ceAbstractionStarter]: For program point L168-4(lines 168 177) no Hoare annotation was computed. [2018-12-09 11:19:05,955 INFO L448 ceAbstractionStarter]: For program point L168-6(lines 168 177) no Hoare annotation was computed. [2018-12-09 11:19:05,960 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 11:19:05,960 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 11:19:05,960 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 11:19:05,960 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 11:19:05,962 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 11:19:05,964 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 11:19:05,964 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 11:19:05,964 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 11:19:05,964 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 11:19:05,964 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 11:19:05,965 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 11:19:05,965 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 11:19:05,966 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 11:19:05,966 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 11:19:05,966 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 11:19:05,966 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 11:19:05,966 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 11:19:05,967 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 11:19:05,967 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 11:19:05,967 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 11:19:05,967 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 11:19:05,967 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 11:19:05,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 11:19:05 BoogieIcfgContainer [2018-12-09 11:19:05,969 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 11:19:05,969 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 11:19:05,969 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 11:19:05,969 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 11:19:05,970 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:18:57" (3/4) ... [2018-12-09 11:19:05,972 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 11:19:05,976 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-12-09 11:19:05,976 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 11:19:05,976 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isfinite_float [2018-12-09 11:19:05,976 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_logf [2018-12-09 11:19:05,976 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log10f [2018-12-09 11:19:05,976 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 11:19:05,980 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-09 11:19:05,980 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 11:19:05,981 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 11:19:05,981 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 11:19:05,996 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero) || \old(x) == x [2018-12-09 11:19:05,997 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x) && (\exists __ieee754_log10f_~hx~0 : bv32 :: !~bvslt32(__ieee754_log10f_~hx~0, 0bv32) && ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x))) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero) [2018-12-09 11:19:05,997 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists __ieee754_log10f_~hx~0 : bv32 :: !~bvslt32(__ieee754_log10f_~hx~0, 0bv32) && ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x)) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero) [2018-12-09 11:19:06,015 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6f1f9a10-09a0-4213-a42d-fe24ceb04ff4/bin-2019/utaipan/witness.graphml [2018-12-09 11:19:06,015 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 11:19:06,016 INFO L168 Benchmark]: Toolchain (without parser) took 21411.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 944.7 MB in the beginning and 881.6 MB in the end (delta: 63.1 MB). Peak memory consumption was 208.9 MB. Max. memory is 11.5 GB. [2018-12-09 11:19:06,016 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:19:06,016 INFO L168 Benchmark]: CACSL2BoogieTranslator took 197.83 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-09 11:19:06,017 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -205.2 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2018-12-09 11:19:06,017 INFO L168 Benchmark]: Boogie Preprocessor took 36.07 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. [2018-12-09 11:19:06,017 INFO L168 Benchmark]: RCFGBuilder took 12169.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.0 MB). Peak memory consumption was 45.0 MB. Max. memory is 11.5 GB. [2018-12-09 11:19:06,017 INFO L168 Benchmark]: TraceAbstraction took 8912.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 881.6 MB in the end (delta: 207.2 MB). Peak memory consumption was 207.2 MB. Max. memory is 11.5 GB. [2018-12-09 11:19:06,018 INFO L168 Benchmark]: Witness Printer took 46.20 ms. Allocated memory is still 1.2 GB. Free memory is still 881.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:19:06,019 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 197.83 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 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 46.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -205.2 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 12169.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.0 MB). Peak memory consumption was 45.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8912.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 881.6 MB in the end (delta: 207.2 MB). Peak memory consumption was 207.2 MB. Max. memory is 11.5 GB. * Witness Printer took 46.20 ms. Allocated memory is still 1.2 GB. Free memory is still 881.6 MB. There was no memory consumed. 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_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 174]: 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: 150]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 135]: Loop Invariant [2018-12-09 11:19:06,021 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 11:19:06,022 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 11:19:06,022 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 11:19:06,022 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 11:19:06,022 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 11:19:06,022 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 11:19:06,022 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 11:19:06,023 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 11:19:06,023 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 11:19:06,023 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\exists __ieee754_log10f_~hx~0 : bv32 :: !~bvslt32(__ieee754_log10f_~hx~0, 0bv32) && ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x)) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero) - InvariantResult [Line: 109]: Loop Invariant [2018-12-09 11:19:06,023 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 11:19:06,023 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero) || \old(x) == x - InvariantResult [Line: 125]: Loop Invariant [2018-12-09 11:19:06,023 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 11:19:06,024 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 11:19:06,024 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 11:19:06,024 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 11:19:06,024 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 11:19:06,024 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 11:19:06,024 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 11:19:06,024 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 11:19:06,025 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 11:19:06,025 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x) && (\exists __ieee754_log10f_~hx~0 : bv32 :: !~bvslt32(__ieee754_log10f_~hx~0, 0bv32) && ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x))) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero) - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 70 locations, 1 error locations. SAFE Result, 8.8s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 6.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 368 SDtfs, 105 SDslu, 1013 SDs, 0 SdLazy, 147 SolverSat, 12 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 5.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 148 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=70occurred 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, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 41 PreInvPairs, 52 NumberOfFragments, 153 HoareAnnotationTreeSize, 41 FomulaSimplifications, 25 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 19 FomulaSimplificationsInter, 138 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 136 ConstructedInterpolants, 9 QuantifiedInterpolants, 15260 SizeOfPredicates, 12 NumberOfNonLiveVariables, 593 ConjunctsInSsa, 28 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...