./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.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 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ee76fc64-adbd-4e37-89f0-95d8994be4f7/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ee76fc64-adbd-4e37-89f0-95d8994be4f7/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ee76fc64-adbd-4e37-89f0-95d8994be4f7/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ee76fc64-adbd-4e37-89f0-95d8994be4f7/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_ee76fc64-adbd-4e37-89f0-95d8994be4f7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ee76fc64-adbd-4e37-89f0-95d8994be4f7/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_ee76fc64-adbd-4e37-89f0-95d8994be4f7/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ee76fc64-adbd-4e37-89f0-95d8994be4f7/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ee76fc64-adbd-4e37-89f0-95d8994be4f7/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ee76fc64-adbd-4e37-89f0-95d8994be4f7/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_ee76fc64-adbd-4e37-89f0-95d8994be4f7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ee76fc64-adbd-4e37-89f0-95d8994be4f7/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 0.1.23-5842f4b [2018-11-18 11:18:04,357 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:18:04,358 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:18:04,366 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:18:04,366 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:18:04,367 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:18:04,368 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:18:04,369 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:18:04,369 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:18:04,370 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:18:04,371 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:18:04,371 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:18:04,372 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:18:04,372 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:18:04,373 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:18:04,374 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:18:04,374 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:18:04,376 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:18:04,377 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:18:04,378 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:18:04,379 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:18:04,380 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:18:04,382 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:18:04,382 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:18:04,382 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:18:04,383 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:18:04,383 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:18:04,383 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:18:04,384 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:18:04,385 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:18:04,385 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:18:04,386 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:18:04,386 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:18:04,386 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:18:04,387 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:18:04,387 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:18:04,388 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ee76fc64-adbd-4e37-89f0-95d8994be4f7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 11:18:04,396 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:18:04,396 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:18:04,397 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:18:04,397 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 11:18:04,397 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 11:18:04,397 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 11:18:04,397 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 11:18:04,398 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 11:18:04,398 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 11:18:04,398 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 11:18:04,398 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 11:18:04,398 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 11:18:04,398 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 11:18:04,399 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:18:04,399 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:18:04,399 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:18:04,399 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:18:04,399 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:18:04,400 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:18:04,400 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:18:04,400 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:18:04,400 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:18:04,400 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:18:04,400 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:18:04,401 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:18:04,401 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:18:04,401 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:18:04,401 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:18:04,401 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:18:04,401 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:18:04,402 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:18:04,402 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:18:04,402 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:18:04,402 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 11:18:04,402 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:18:04,402 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:18:04,402 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 11:18:04,402 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_ee76fc64-adbd-4e37-89f0-95d8994be4f7/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 [2018-11-18 11:18:04,425 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:18:04,434 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:18:04,437 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:18:04,438 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:18:04,438 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:18:04,439 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ee76fc64-adbd-4e37-89f0-95d8994be4f7/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0970a_true-unreach-call.c [2018-11-18 11:18:04,478 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ee76fc64-adbd-4e37-89f0-95d8994be4f7/bin-2019/utaipan/data/4508bab67/e90294ffb0ae4718b38a38f344a1ff68/FLAG9bbb75846 [2018-11-18 11:18:04,831 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:18:04,831 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ee76fc64-adbd-4e37-89f0-95d8994be4f7/sv-benchmarks/c/float-newlib/float_req_bl_0970a_true-unreach-call.c [2018-11-18 11:18:04,838 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ee76fc64-adbd-4e37-89f0-95d8994be4f7/bin-2019/utaipan/data/4508bab67/e90294ffb0ae4718b38a38f344a1ff68/FLAG9bbb75846 [2018-11-18 11:18:05,240 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ee76fc64-adbd-4e37-89f0-95d8994be4f7/bin-2019/utaipan/data/4508bab67/e90294ffb0ae4718b38a38f344a1ff68 [2018-11-18 11:18:05,242 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:18:05,243 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:18:05,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:18:05,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:18:05,246 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:18:05,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:18:05" (1/1) ... [2018-11-18 11:18:05,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@774f93fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:05, skipping insertion in model container [2018-11-18 11:18:05,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:18:05" (1/1) ... [2018-11-18 11:18:05,255 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:18:05,273 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:18:05,420 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:18:05,422 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:18:05,450 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:18:05,464 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:18:05,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:05 WrapperNode [2018-11-18 11:18:05,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:18:05,465 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:18:05,465 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:18:05,466 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:18:05,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:05" (1/1) ... [2018-11-18 11:18:05,479 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:05" (1/1) ... [2018-11-18 11:18:05,529 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:18:05,530 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:18:05,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:18:05,530 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:18:05,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:05" (1/1) ... [2018-11-18 11:18:05,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:05" (1/1) ... [2018-11-18 11:18:05,543 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:05" (1/1) ... [2018-11-18 11:18:05,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:05" (1/1) ... [2018-11-18 11:18:05,558 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:05" (1/1) ... [2018-11-18 11:18:05,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:05" (1/1) ... [2018-11-18 11:18:05,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:05" (1/1) ... [2018-11-18 11:18:05,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:18:05,573 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:18:05,573 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:18:05,573 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:18:05,574 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ee76fc64-adbd-4e37-89f0-95d8994be4f7/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:18:05,616 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_float [2018-11-18 11:18:05,616 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_float [2018-11-18 11:18:05,617 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:18:05,617 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:18:05,617 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-18 11:18:05,617 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-18 11:18:05,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 11:18:05,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 11:18:05,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:18:05,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:18:05,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 11:18:05,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:18:05,618 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-11-18 11:18:05,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-11-18 11:18:05,618 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10f [2018-11-18 11:18:05,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10f [2018-11-18 11:18:05,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:18:05,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:18:05,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 11:18:05,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 11:18:06,017 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:18:06,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:18:06 BoogieIcfgContainer [2018-11-18 11:18:06,017 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:18:06,018 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:18:06,018 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:18:06,020 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:18:06,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:18:05" (1/3) ... [2018-11-18 11:18:06,021 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48445250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:18:06, skipping insertion in model container [2018-11-18 11:18:06,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:05" (2/3) ... [2018-11-18 11:18:06,021 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48445250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:18:06, skipping insertion in model container [2018-11-18 11:18:06,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:18:06" (3/3) ... [2018-11-18 11:18:06,023 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0970a_true-unreach-call.c [2018-11-18 11:18:06,029 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:18:06,034 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:18:06,049 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:18:06,078 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:18:06,078 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:18:06,078 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:18:06,078 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:18:06,078 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:18:06,078 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:18:06,079 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:18:06,079 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:18:06,092 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2018-11-18 11:18:06,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 11:18:06,097 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:18:06,097 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:18:06,099 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:18:06,103 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:18:06,104 INFO L82 PathProgramCache]: Analyzing trace with hash 477146406, now seen corresponding path program 1 times [2018-11-18 11:18:06,105 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:18:06,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:18:06,138 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:18:06,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:18:06,138 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:18:06,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:18:06,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:18:06,222 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:18:06,222 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:18:06,223 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:18:06,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:18:06,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:18:06,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:18:06,236 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 3 states. [2018-11-18 11:18:06,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:18:06,283 INFO L93 Difference]: Finished difference Result 134 states and 198 transitions. [2018-11-18 11:18:06,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:18:06,284 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2018-11-18 11:18:06,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:18:06,291 INFO L225 Difference]: With dead ends: 134 [2018-11-18 11:18:06,291 INFO L226 Difference]: Without dead ends: 66 [2018-11-18 11:18:06,295 INFO L604 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 [2018-11-18 11:18:06,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-11-18 11:18:06,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2018-11-18 11:18:06,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-11-18 11:18:06,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 80 transitions. [2018-11-18 11:18:06,324 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 80 transitions. Word has length 23 [2018-11-18 11:18:06,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:18:06,324 INFO L480 AbstractCegarLoop]: Abstraction has 66 states and 80 transitions. [2018-11-18 11:18:06,324 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:18:06,324 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 80 transitions. [2018-11-18 11:18:06,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 11:18:06,326 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:18:06,326 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:18:06,326 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:18:06,327 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:18:06,327 INFO L82 PathProgramCache]: Analyzing trace with hash 730606702, now seen corresponding path program 1 times [2018-11-18 11:18:06,327 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:18:06,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:18:06,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:18:06,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:18:06,328 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:18:06,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:18:06,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:18:06,412 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 11:18:06,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:18:06 BoogieIcfgContainer [2018-11-18 11:18:06,455 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:18:06,455 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:18:06,455 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:18:06,456 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:18:06,456 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:18:06" (3/4) ... [2018-11-18 11:18:06,459 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 11:18:06,460 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:18:06,460 INFO L168 Benchmark]: Toolchain (without parser) took 1217.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 960.8 MB in the beginning and 1.1 GB in the end (delta: -112.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:18:06,462 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:18:06,462 INFO L168 Benchmark]: CACSL2BoogieTranslator took 221.71 ms. Allocated memory is still 1.0 GB. Free memory was 960.8 MB in the beginning and 944.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:18:06,463 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -196.9 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:18:06,463 INFO L168 Benchmark]: Boogie Preprocessor took 42.52 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:18:06,464 INFO L168 Benchmark]: RCFGBuilder took 444.76 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: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:18:06,464 INFO L168 Benchmark]: TraceAbstraction took 437.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:18:06,465 INFO L168 Benchmark]: Witness Printer took 4.27 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:18:06,468 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 221.71 ms. Allocated memory is still 1.0 GB. Free memory was 960.8 MB in the beginning and 944.7 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 64.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -196.9 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.52 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 444.76 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: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 437.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Witness Printer took 4.27 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)=7, \old(Lg1_log)=26, \old(Lg2_log)=29, \old(Lg3_log)=6, \old(Lg4_log)=10, \old(Lg5_log)=15, \old(Lg6_log)=25, \old(Lg7_log)=21, \old(ln2_hi_log)=9, \old(ln2_lo_log)=16, \old(log10_2hi_log10)=19, \old(log10_2lo_log10)=24, \old(two25_log)=20, \old(two25_log10)=23, \old(zero)=27, \old(zero_log)=18, 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=12, x < 0 && isfinite_float(x)=1, zero=0, zero_log=0] [L168] CALL, EXPR isfinite_float(x) VAL [\old(x)=12, 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)=12, 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=12, zero=0, zero_log=0] [L151] FCALL ieee_float_shape_type gf_u; [L152] FCALL gf_u.value = (x) [L153] EXPR, FCALL gf_u.word [L153] (ix) = gf_u.word [L154] COND FALSE !(0) VAL [\old(x)=12, ivln10_log10=43429449201/100000000000, ix=5, 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=12, zero=0, zero_log=0] [L155] ix &= 0x7fffffff [L156] RET return (((ix) < 0x7f800000L)); VAL [\old(x)=12, \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=12, zero=0, zero_log=0] [L168] 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=12, 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=12, 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)=12, 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)=12, 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=12, zero=0, zero_log=0] [L110] FCALL ieee_float_shape_type gf_u; [L111] FCALL gf_u.value = (x) [L112] EXPR, FCALL gf_u.word [L112] (hx) = gf_u.word [L113] COND FALSE !(0) VAL [\old(x)=12, hx=2, 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=12, zero=0, zero_log=0] [L115] k = 0 VAL [\old(x)=12, hx=2, 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=12, zero=0, zero_log=0] [L116] COND TRUE ((hx & 0x7fffffff) == 0) [L117] RET return -two25_log10 / zero; VAL [\old(x)=12, hx=2, 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=12, zero=0, zero_log=0] [L170] EXPR __ieee754_log10f(x) VAL [__ieee754_log10f(x)=28, 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=12, zero=0, zero_log=0] [L170] float res = __ieee754_log10f(x); [L173] CALL, EXPR isnan_float(res) VAL [\old(x)=28, 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] RET return x != x; VAL [\old(x)=28, \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=28, zero=0, zero_log=0] [L173] 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=28, two25_log=33554432, two25_log10=33554432, x=12, 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=28, two25_log=33554432, two25_log10=33554432, x=12, 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 0.1.23-5842f4b [2018-11-18 11:18:08,027 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:18:08,029 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:18:08,039 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:18:08,039 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:18:08,040 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:18:08,041 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:18:08,042 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:18:08,043 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:18:08,044 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:18:08,044 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:18:08,045 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:18:08,045 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:18:08,046 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:18:08,047 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:18:08,048 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:18:08,048 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:18:08,050 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:18:08,051 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:18:08,052 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:18:08,053 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:18:08,054 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:18:08,056 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:18:08,056 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:18:08,056 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:18:08,057 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:18:08,058 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:18:08,058 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:18:08,059 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:18:08,060 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:18:08,060 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:18:08,060 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:18:08,061 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:18:08,061 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:18:08,062 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:18:08,062 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:18:08,062 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ee76fc64-adbd-4e37-89f0-95d8994be4f7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 11:18:08,073 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:18:08,074 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:18:08,074 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:18:08,075 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 11:18:08,075 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 11:18:08,075 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 11:18:08,075 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 11:18:08,075 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 11:18:08,075 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 11:18:08,075 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 11:18:08,076 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:18:08,076 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:18:08,076 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:18:08,076 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:18:08,077 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:18:08,077 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:18:08,077 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:18:08,077 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 11:18:08,077 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 11:18:08,077 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:18:08,078 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:18:08,078 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:18:08,078 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:18:08,078 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:18:08,078 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:18:08,078 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:18:08,078 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:18:08,079 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:18:08,079 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:18:08,079 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:18:08,079 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:18:08,079 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 11:18:08,079 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:18:08,080 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 11:18:08,080 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 11:18:08,080 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_ee76fc64-adbd-4e37-89f0-95d8994be4f7/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 [2018-11-18 11:18:08,112 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:18:08,122 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:18:08,125 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:18:08,126 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:18:08,127 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:18:08,127 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ee76fc64-adbd-4e37-89f0-95d8994be4f7/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0970a_true-unreach-call.c [2018-11-18 11:18:08,173 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ee76fc64-adbd-4e37-89f0-95d8994be4f7/bin-2019/utaipan/data/621ec5877/1ff08d63655e4d748a44e2034399e59e/FLAG4cb33ae53 [2018-11-18 11:18:08,500 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:18:08,500 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ee76fc64-adbd-4e37-89f0-95d8994be4f7/sv-benchmarks/c/float-newlib/float_req_bl_0970a_true-unreach-call.c [2018-11-18 11:18:08,505 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ee76fc64-adbd-4e37-89f0-95d8994be4f7/bin-2019/utaipan/data/621ec5877/1ff08d63655e4d748a44e2034399e59e/FLAG4cb33ae53 [2018-11-18 11:18:08,927 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ee76fc64-adbd-4e37-89f0-95d8994be4f7/bin-2019/utaipan/data/621ec5877/1ff08d63655e4d748a44e2034399e59e [2018-11-18 11:18:08,929 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:18:08,930 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:18:08,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:18:08,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:18:08,933 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:18:08,933 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:18:08" (1/1) ... [2018-11-18 11:18:08,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eb5b9f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:08, skipping insertion in model container [2018-11-18 11:18:08,935 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:18:08" (1/1) ... [2018-11-18 11:18:08,941 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:18:08,959 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:18:09,121 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:18:09,126 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:18:09,168 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:18:09,188 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:18:09,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:09 WrapperNode [2018-11-18 11:18:09,188 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:18:09,189 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:18:09,189 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:18:09,189 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:18:09,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:09" (1/1) ... [2018-11-18 11:18:09,206 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:09" (1/1) ... [2018-11-18 11:18:09,214 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:18:09,214 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:18:09,214 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:18:09,214 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:18:09,221 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:09" (1/1) ... [2018-11-18 11:18:09,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:09" (1/1) ... [2018-11-18 11:18:09,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:09" (1/1) ... [2018-11-18 11:18:09,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:09" (1/1) ... [2018-11-18 11:18:09,244 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:09" (1/1) ... [2018-11-18 11:18:09,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:09" (1/1) ... [2018-11-18 11:18:09,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:09" (1/1) ... [2018-11-18 11:18:09,307 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:18:09,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:18:09,307 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:18:09,308 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:18:09,308 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ee76fc64-adbd-4e37-89f0-95d8994be4f7/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:18:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_float [2018-11-18 11:18:09,347 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_float [2018-11-18 11:18:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:18:09,347 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:18:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-18 11:18:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-18 11:18:09,348 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-18 11:18:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:18:09,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:18:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:18:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 11:18:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-11-18 11:18:09,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-11-18 11:18:09,349 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10f [2018-11-18 11:18:09,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10f [2018-11-18 11:18:09,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:18:09,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:18:09,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-18 11:18:09,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 11:18:09,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 11:18:20,626 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:18:21,741 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:18:21,816 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:18:21,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:18:21 BoogieIcfgContainer [2018-11-18 11:18:21,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:18:21,817 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:18:21,817 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:18:21,819 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:18:21,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:18:08" (1/3) ... [2018-11-18 11:18:21,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47cfe4a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:18:21, skipping insertion in model container [2018-11-18 11:18:21,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:09" (2/3) ... [2018-11-18 11:18:21,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47cfe4a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:18:21, skipping insertion in model container [2018-11-18 11:18:21,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:18:21" (3/3) ... [2018-11-18 11:18:21,822 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0970a_true-unreach-call.c [2018-11-18 11:18:21,829 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:18:21,835 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:18:21,847 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:18:21,873 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:18:21,874 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:18:21,874 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:18:21,874 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:18:21,874 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:18:21,874 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:18:21,874 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:18:21,874 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:18:21,874 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:18:21,887 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states. [2018-11-18 11:18:21,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 11:18:21,891 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:18:21,892 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:18:21,894 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:18:21,898 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:18:21,898 INFO L82 PathProgramCache]: Analyzing trace with hash 971882237, now seen corresponding path program 1 times [2018-11-18 11:18:21,901 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 11:18:21,902 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ee76fc64-adbd-4e37-89f0-95d8994be4f7/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-18 11:18:21,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:18:22,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:18:22,147 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:18:22,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:18:22,163 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 11:18:22,177 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:18:22,178 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 11:18:22,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 11:18:22,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 11:18:22,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:18:22,198 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 2 states. [2018-11-18 11:18:22,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:18:22,221 INFO L93 Difference]: Finished difference Result 131 states and 194 transitions. [2018-11-18 11:18:22,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 11:18:22,223 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-11-18 11:18:22,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:18:22,231 INFO L225 Difference]: With dead ends: 131 [2018-11-18 11:18:22,232 INFO L226 Difference]: Without dead ends: 65 [2018-11-18 11:18:22,235 INFO L604 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 [2018-11-18 11:18:22,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-11-18 11:18:22,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-11-18 11:18:22,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-11-18 11:18:22,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 80 transitions. [2018-11-18 11:18:22,263 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 80 transitions. Word has length 22 [2018-11-18 11:18:22,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:18:22,263 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 80 transitions. [2018-11-18 11:18:22,263 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 11:18:22,264 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 80 transitions. [2018-11-18 11:18:22,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 11:18:22,264 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:18:22,265 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:18:22,265 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:18:22,265 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:18:22,265 INFO L82 PathProgramCache]: Analyzing trace with hash -1825138509, now seen corresponding path program 1 times [2018-11-18 11:18:22,266 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 11:18:22,266 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ee76fc64-adbd-4e37-89f0-95d8994be4f7/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-11-18 11:18:22,269 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:18:22,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:18:22,508 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:18:22,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:18:22,520 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 11:18:22,531 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:18:22,531 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:18:22,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:18:22,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:18:22,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:18:22,533 INFO L87 Difference]: Start difference. First operand 65 states and 80 transitions. Second operand 3 states. [2018-11-18 11:18:22,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:18:22,549 INFO L93 Difference]: Finished difference Result 115 states and 144 transitions. [2018-11-18 11:18:22,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:18:22,549 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2018-11-18 11:18:22,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:18:22,550 INFO L225 Difference]: With dead ends: 115 [2018-11-18 11:18:22,550 INFO L226 Difference]: Without dead ends: 65 [2018-11-18 11:18:22,551 INFO L604 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 [2018-11-18 11:18:22,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-11-18 11:18:22,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-11-18 11:18:22,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-11-18 11:18:22,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 79 transitions. [2018-11-18 11:18:22,557 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 79 transitions. Word has length 23 [2018-11-18 11:18:22,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:18:22,557 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 79 transitions. [2018-11-18 11:18:22,557 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:18:22,557 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 79 transitions. [2018-11-18 11:18:22,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 11:18:22,558 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:18:22,558 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:18:22,558 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:18:22,559 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:18:22,559 INFO L82 PathProgramCache]: Analyzing trace with hash 516404564, now seen corresponding path program 1 times [2018-11-18 11:18:22,559 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 11:18:22,559 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ee76fc64-adbd-4e37-89f0-95d8994be4f7/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-11-18 11:18:22,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:18:22,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:18:22,812 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:18:22,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:18:22,927 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 11:18:22,940 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:18:22,940 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 11:18:22,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 11:18:22,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 11:18:22,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:18:22,941 INFO L87 Difference]: Start difference. First operand 65 states and 79 transitions. Second operand 7 states. [2018-11-18 11:18:24,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:18:24,613 INFO L93 Difference]: Finished difference Result 79 states and 92 transitions. [2018-11-18 11:18:24,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 11:18:24,614 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2018-11-18 11:18:24,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:18:24,616 INFO L225 Difference]: With dead ends: 79 [2018-11-18 11:18:24,617 INFO L226 Difference]: Without dead ends: 69 [2018-11-18 11:18:24,617 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:18:24,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-11-18 11:18:24,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 65. [2018-11-18 11:18:24,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-11-18 11:18:24,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 78 transitions. [2018-11-18 11:18:24,623 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 78 transitions. Word has length 31 [2018-11-18 11:18:24,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:18:24,624 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 78 transitions. [2018-11-18 11:18:24,624 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 11:18:24,624 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 78 transitions. [2018-11-18 11:18:24,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 11:18:24,624 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:18:24,624 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:18:24,625 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:18:24,625 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:18:24,625 INFO L82 PathProgramCache]: Analyzing trace with hash 278270206, now seen corresponding path program 1 times [2018-11-18 11:18:24,625 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 11:18:24,625 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ee76fc64-adbd-4e37-89f0-95d8994be4f7/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-11-18 11:18:24,629 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:18:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:18:24,912 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:18:25,403 WARN L180 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-18 11:18:25,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:18:25,848 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 11:18:25,863 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:18:25,864 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 11:18:25,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 11:18:25,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 11:18:25,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-11-18 11:18:25,864 INFO L87 Difference]: Start difference. First operand 65 states and 78 transitions. Second operand 8 states. [2018-11-18 11:18:27,568 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-11-18 11:18:29,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:18:29,716 INFO L93 Difference]: Finished difference Result 72 states and 85 transitions. [2018-11-18 11:18:29,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 11:18:29,717 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2018-11-18 11:18:29,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:18:29,718 INFO L225 Difference]: With dead ends: 72 [2018-11-18 11:18:29,718 INFO L226 Difference]: Without dead ends: 65 [2018-11-18 11:18:29,718 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2018-11-18 11:18:29,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-11-18 11:18:29,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-11-18 11:18:29,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-11-18 11:18:29,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 77 transitions. [2018-11-18 11:18:29,730 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 77 transitions. Word has length 32 [2018-11-18 11:18:29,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:18:29,731 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 77 transitions. [2018-11-18 11:18:29,731 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 11:18:29,731 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 77 transitions. [2018-11-18 11:18:29,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 11:18:29,732 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:18:29,732 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:18:29,732 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:18:29,732 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:18:29,733 INFO L82 PathProgramCache]: Analyzing trace with hash 699985680, now seen corresponding path program 1 times [2018-11-18 11:18:29,733 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 11:18:29,733 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ee76fc64-adbd-4e37-89f0-95d8994be4f7/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-11-18 11:18:29,736 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:18:29,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:18:29,818 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:18:29,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:18:29,897 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 11:18:29,907 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:18:29,907 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 11:18:29,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 11:18:29,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 11:18:29,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:18:29,908 INFO L87 Difference]: Start difference. First operand 65 states and 77 transitions. Second operand 7 states. [2018-11-18 11:18:30,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:18:30,697 INFO L93 Difference]: Finished difference Result 69 states and 81 transitions. [2018-11-18 11:18:30,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 11:18:30,698 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2018-11-18 11:18:30,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:18:30,699 INFO L225 Difference]: With dead ends: 69 [2018-11-18 11:18:30,699 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 11:18:30,700 INFO L604 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 [2018-11-18 11:18:30,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 11:18:30,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 11:18:30,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 11:18:30,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 11:18:30,700 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2018-11-18 11:18:30,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:18:30,701 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:18:30,701 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 11:18:30,701 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 11:18:30,701 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:18:30,704 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 11:18:30,973 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 18 [2018-11-18 11:18:31,135 INFO L425 ceAbstractionStarter]: For program point isnan_floatFINAL(line 145) no Hoare annotation was computed. [2018-11-18 11:18:31,135 INFO L428 ceAbstractionStarter]: At program point isnan_floatENTRY(line 145) the Hoare annotation is: true [2018-11-18 11:18:31,135 INFO L425 ceAbstractionStarter]: For program point isnan_floatEXIT(line 145) no Hoare annotation was computed. [2018-11-18 11:18:31,135 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:18:31,136 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:18:31,136 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:18:31,136 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 150 154) no Hoare annotation was computed. [2018-11-18 11:18:31,136 INFO L428 ceAbstractionStarter]: At program point L150-3(lines 150 154) the Hoare annotation is: true [2018-11-18 11:18:31,136 INFO L425 ceAbstractionStarter]: For program point isfinite_floatFINAL(lines 148 157) no Hoare annotation was computed. [2018-11-18 11:18:31,136 INFO L425 ceAbstractionStarter]: For program point L150-4(lines 150 154) no Hoare annotation was computed. [2018-11-18 11:18:31,136 INFO L428 ceAbstractionStarter]: At program point isfinite_floatENTRY(lines 148 157) the Hoare annotation is: true [2018-11-18 11:18:31,136 INFO L425 ceAbstractionStarter]: For program point isfinite_floatEXIT(lines 148 157) no Hoare annotation was computed. [2018-11-18 11:18:31,137 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 32) no Hoare annotation was computed. [2018-11-18 11:18:31,137 INFO L425 ceAbstractionStarter]: For program point L56(lines 56 72) no Hoare annotation was computed. [2018-11-18 11:18:31,137 INFO L425 ceAbstractionStarter]: For program point L85(lines 85 89) no Hoare annotation was computed. [2018-11-18 11:18:31,137 INFO L425 ceAbstractionStarter]: For program point L40-1(lines 40 44) no Hoare annotation was computed. [2018-11-18 11:18:31,137 INFO L428 ceAbstractionStarter]: At program point L40-3(lines 40 44) the Hoare annotation is: true [2018-11-18 11:18:31,137 INFO L428 ceAbstractionStarter]: At program point __ieee754_logfENTRY(lines 20 96) the Hoare annotation is: true [2018-11-18 11:18:31,137 INFO L425 ceAbstractionStarter]: For program point __ieee754_logfFINAL(lines 20 96) no Hoare annotation was computed. [2018-11-18 11:18:31,138 INFO L425 ceAbstractionStarter]: For program point L57(lines 57 64) no Hoare annotation was computed. [2018-11-18 11:18:31,138 INFO L425 ceAbstractionStarter]: For program point L24-1(lines 24 28) no Hoare annotation was computed. [2018-11-18 11:18:31,138 INFO L428 ceAbstractionStarter]: At program point L24-3(lines 24 28) the Hoare annotation is: true [2018-11-18 11:18:31,138 INFO L425 ceAbstractionStarter]: For program point L24-4(lines 24 28) no Hoare annotation was computed. [2018-11-18 11:18:31,138 INFO L425 ceAbstractionStarter]: For program point L49-1(lines 49 53) no Hoare annotation was computed. [2018-11-18 11:18:31,138 INFO L428 ceAbstractionStarter]: At program point L49-3(lines 49 53) the Hoare annotation is: true [2018-11-18 11:18:31,138 INFO L425 ceAbstractionStarter]: For program point L49-4(lines 49 53) no Hoare annotation was computed. [2018-11-18 11:18:31,138 INFO L425 ceAbstractionStarter]: For program point L37(lines 37 45) no Hoare annotation was computed. [2018-11-18 11:18:31,139 INFO L425 ceAbstractionStarter]: For program point L37-1(lines 37 45) no Hoare annotation was computed. [2018-11-18 11:18:31,139 INFO L425 ceAbstractionStarter]: For program point L66(lines 66 71) no Hoare annotation was computed. [2018-11-18 11:18:31,139 INFO L425 ceAbstractionStarter]: For program point L33(lines 33 34) no Hoare annotation was computed. [2018-11-18 11:18:31,139 INFO L425 ceAbstractionStarter]: For program point __ieee754_logfEXIT(lines 20 96) no Hoare annotation was computed. [2018-11-18 11:18:31,139 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 94) no Hoare annotation was computed. [2018-11-18 11:18:31,139 INFO L425 ceAbstractionStarter]: For program point L58(lines 58 63) no Hoare annotation was computed. [2018-11-18 11:18:31,139 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 95) no Hoare annotation was computed. [2018-11-18 11:18:31,140 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 36) no Hoare annotation was computed. [2018-11-18 11:18:31,140 INFO L425 ceAbstractionStarter]: For program point L122(lines 122 130) no Hoare annotation was computed. [2018-11-18 11:18:31,140 INFO L425 ceAbstractionStarter]: For program point L122-1(lines 122 130) no Hoare annotation was computed. [2018-11-18 11:18:31,140 INFO L425 ceAbstractionStarter]: For program point L118(lines 118 119) no Hoare annotation was computed. [2018-11-18 11:18:31,140 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 135 139) no Hoare annotation was computed. [2018-11-18 11:18:31,140 INFO L421 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))) [2018-11-18 11:18:31,140 INFO L421 ceAbstractionStarter]: At program point L135-4(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))) [2018-11-18 11:18:31,141 INFO L425 ceAbstractionStarter]: For program point L140(line 140) no Hoare annotation was computed. [2018-11-18 11:18:31,141 INFO L428 ceAbstractionStarter]: At program point __ieee754_log10fENTRY(lines 105 142) the Hoare annotation is: true [2018-11-18 11:18:31,141 INFO L425 ceAbstractionStarter]: For program point __ieee754_log10fEXIT(lines 105 142) no Hoare annotation was computed. [2018-11-18 11:18:31,141 INFO L425 ceAbstractionStarter]: For program point __ieee754_log10fFINAL(lines 105 142) no Hoare annotation was computed. [2018-11-18 11:18:31,141 INFO L425 ceAbstractionStarter]: For program point L120(lines 120 121) no Hoare annotation was computed. [2018-11-18 11:18:31,141 INFO L425 ceAbstractionStarter]: For program point L116(lines 116 117) no Hoare annotation was computed. [2018-11-18 11:18:31,141 INFO L425 ceAbstractionStarter]: For program point L125-1(lines 125 129) no Hoare annotation was computed. [2018-11-18 11:18:31,142 INFO L421 ceAbstractionStarter]: At program point L125-3(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))) [2018-11-18 11:18:31,142 INFO L425 ceAbstractionStarter]: For program point L109-1(lines 109 113) no Hoare annotation was computed. [2018-11-18 11:18:31,142 INFO L421 ceAbstractionStarter]: At program point L109-3(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)) [2018-11-18 11:18:31,142 INFO L425 ceAbstractionStarter]: For program point L109-4(lines 109 113) no Hoare annotation was computed. [2018-11-18 11:18:31,142 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:18:31,142 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0) [2018-11-18 11:18:31,142 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:18:31,143 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:18:31,143 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 159 180) the Hoare annotation is: true [2018-11-18 11:18:31,143 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 159 180) no Hoare annotation was computed. [2018-11-18 11:18:31,143 INFO L425 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2018-11-18 11:18:31,143 INFO L421 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))) [2018-11-18 11:18:31,143 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 159 180) no Hoare annotation was computed. [2018-11-18 11:18:31,143 INFO L425 ceAbstractionStarter]: For program point L173-1(lines 173 176) no Hoare annotation was computed. [2018-11-18 11:18:31,144 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 174) no Hoare annotation was computed. [2018-11-18 11:18:31,144 INFO L421 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)))) [2018-11-18 11:18:31,144 INFO L425 ceAbstractionStarter]: For program point L170-1(line 170) no Hoare annotation was computed. [2018-11-18 11:18:31,144 INFO L425 ceAbstractionStarter]: For program point L168(line 168) no Hoare annotation was computed. [2018-11-18 11:18:31,144 INFO L421 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))))) [2018-11-18 11:18:31,144 INFO L425 ceAbstractionStarter]: For program point L168-2(line 168) no Hoare annotation was computed. [2018-11-18 11:18:31,144 INFO L425 ceAbstractionStarter]: For program point L168-4(lines 168 177) no Hoare annotation was computed. [2018-11-18 11:18:31,144 INFO L425 ceAbstractionStarter]: For program point L168-6(lines 168 177) no Hoare annotation was computed. [2018-11-18 11:18:31,150 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-18 11:18:31,151 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-18 11:18:31,151 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-18 11:18:31,151 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-18 11:18:31,154 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 11:18:31,155 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-18 11:18:31,155 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-18 11:18:31,156 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-18 11:18:31,156 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-18 11:18:31,156 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 11:18:31,157 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 11:18:31,157 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 11:18:31,158 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-18 11:18:31,158 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-18 11:18:31,158 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-18 11:18:31,158 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-18 11:18:31,158 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 11:18:31,159 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-18 11:18:31,159 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-18 11:18:31,159 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-18 11:18:31,159 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-18 11:18:31,160 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 11:18:31,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:18:31 BoogieIcfgContainer [2018-11-18 11:18:31,161 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:18:31,162 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:18:31,162 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:18:31,162 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:18:31,162 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:18:21" (3/4) ... [2018-11-18 11:18:31,165 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:18:31,170 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-11-18 11:18:31,170 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 11:18:31,170 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isfinite_float [2018-11-18 11:18:31,170 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_logf [2018-11-18 11:18:31,170 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log10f [2018-11-18 11:18:31,171 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 11:18:31,175 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-11-18 11:18:31,175 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-18 11:18:31,176 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 11:18:31,176 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 11:18:31,197 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero) || \old(x) == x [2018-11-18 11:18:31,198 WARN L220 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) [2018-11-18 11:18:31,198 WARN L220 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) [2018-11-18 11:18:31,234 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ee76fc64-adbd-4e37-89f0-95d8994be4f7/bin-2019/utaipan/witness.graphml [2018-11-18 11:18:31,234 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:18:31,235 INFO L168 Benchmark]: Toolchain (without parser) took 22305.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 949.2 MB in the beginning and 886.9 MB in the end (delta: 62.3 MB). Peak memory consumption was 210.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:18:31,236 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:18:31,236 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.18 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 927.7 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:18:31,236 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.96 ms. Allocated memory is still 1.0 GB. Free memory is still 927.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:18:31,236 INFO L168 Benchmark]: Boogie Preprocessor took 93.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 927.7 MB in the beginning and 1.1 GB in the end (delta: -215.0 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:18:31,237 INFO L168 Benchmark]: RCFGBuilder took 12509.02 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: 51.2 MB). Peak memory consumption was 51.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:18:31,237 INFO L168 Benchmark]: TraceAbstraction took 9344.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 893.5 MB in the end (delta: 198.0 MB). Peak memory consumption was 198.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:18:31,237 INFO L168 Benchmark]: Witness Printer took 72.79 ms. Allocated memory is still 1.2 GB. Free memory was 893.5 MB in the beginning and 886.9 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:18:31,239 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 258.18 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 927.7 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.96 ms. Allocated memory is still 1.0 GB. Free memory is still 927.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 93.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 927.7 MB in the beginning and 1.1 GB in the end (delta: -215.0 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 12509.02 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: 51.2 MB). Peak memory consumption was 51.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9344.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 893.5 MB in the end (delta: 198.0 MB). Peak memory consumption was 198.0 MB. Max. memory is 11.5 GB. * Witness Printer took 72.79 ms. Allocated memory is still 1.2 GB. Free memory was 893.5 MB in the beginning and 886.9 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_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: 49]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 135]: Loop Invariant [2018-11-18 11:18:31,243 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-18 11:18:31,243 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-18 11:18:31,243 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-18 11:18:31,243 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-18 11:18:31,243 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 11:18:31,243 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-18 11:18:31,244 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-18 11:18:31,244 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-18 11:18:31,244 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-18 11:18:31,244 WARN L387 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 [2018-11-18 11:18:31,244 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 11:18:31,245 WARN L387 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 [2018-11-18 11:18:31,245 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-18 11:18:31,245 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-18 11:18:31,245 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-18 11:18:31,245 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-18 11:18:31,245 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 11:18:31,246 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-18 11:18:31,246 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-18 11:18:31,246 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-18 11:18:31,246 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-11-18 11:18:31,246 WARN L387 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) - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 70 locations, 1 error locations. SAFE Result, 9.2s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 6.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 368 SDtfs, 105 SDslu, 1013 SDs, 0 SdLazy, 147 SolverSat, 12 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 5.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 148 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.9s 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, 0.9s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 136 ConstructedInterpolants, 9 QuantifiedInterpolants, 15260 SizeOfPredicates, 12 NumberOfNonLiveVariables, 579 ConjunctsInSsa, 24 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...