./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0970a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2ad5fd8e-be18-4682-a275-5368c3d6b4ff/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2ad5fd8e-be18-4682-a275-5368c3d6b4ff/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2ad5fd8e-be18-4682-a275-5368c3d6b4ff/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2ad5fd8e-be18-4682-a275-5368c3d6b4ff/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_2ad5fd8e-be18-4682-a275-5368c3d6b4ff/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2ad5fd8e-be18-4682-a275-5368c3d6b4ff/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_2ad5fd8e-be18-4682-a275-5368c3d6b4ff/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2ad5fd8e-be18-4682-a275-5368c3d6b4ff/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2ad5fd8e-be18-4682-a275-5368c3d6b4ff/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2ad5fd8e-be18-4682-a275-5368c3d6b4ff/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_2ad5fd8e-be18-4682-a275-5368c3d6b4ff/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2ad5fd8e-be18-4682-a275-5368c3d6b4ff/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 963536477b49c0268678cb8326bb32feb993b05a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 23:45:47,307 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 23:45:47,308 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 23:45:47,314 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 23:45:47,315 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 23:45:47,315 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 23:45:47,316 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 23:45:47,316 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 23:45:47,317 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 23:45:47,317 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 23:45:47,318 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 23:45:47,318 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 23:45:47,319 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 23:45:47,319 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 23:45:47,319 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 23:45:47,320 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 23:45:47,320 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 23:45:47,321 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 23:45:47,322 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 23:45:47,323 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 23:45:47,323 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 23:45:47,324 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 23:45:47,325 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 23:45:47,325 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 23:45:47,325 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 23:45:47,325 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 23:45:47,326 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 23:45:47,326 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 23:45:47,326 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 23:45:47,327 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 23:45:47,327 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 23:45:47,327 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 23:45:47,328 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 23:45:47,328 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 23:45:47,328 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 23:45:47,328 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 23:45:47,329 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2ad5fd8e-be18-4682-a275-5368c3d6b4ff/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 23:45:47,336 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 23:45:47,336 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 23:45:47,336 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 23:45:47,336 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 23:45:47,336 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 23:45:47,336 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 23:45:47,337 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 23:45:47,337 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 23:45:47,337 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 23:45:47,337 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 23:45:47,337 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 23:45:47,337 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 23:45:47,337 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 23:45:47,337 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 23:45:47,337 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 23:45:47,338 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 23:45:47,338 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 23:45:47,338 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 23:45:47,338 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 23:45:47,338 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 23:45:47,338 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 23:45:47,338 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 23:45:47,338 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 23:45:47,338 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 23:45:47,338 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 23:45:47,338 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 23:45:47,338 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 23:45:47,339 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 23:45:47,339 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 23:45:47,339 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 23:45:47,339 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 23:45:47,339 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 23:45:47,339 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 23:45:47,339 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 23:45:47,339 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 23:45:47,339 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 23:45:47,339 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_2ad5fd8e-be18-4682-a275-5368c3d6b4ff/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 963536477b49c0268678cb8326bb32feb993b05a [2018-12-02 23:45:47,357 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 23:45:47,366 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 23:45:47,368 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 23:45:47,369 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 23:45:47,369 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 23:45:47,370 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2ad5fd8e-be18-4682-a275-5368c3d6b4ff/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0970a_true-unreach-call.c [2018-12-02 23:45:47,408 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2ad5fd8e-be18-4682-a275-5368c3d6b4ff/bin-2019/utaipan/data/be447ed37/30abdc1ec16b4cae812d26846121cea9/FLAGf2e354c7a [2018-12-02 23:45:47,755 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 23:45:47,756 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2ad5fd8e-be18-4682-a275-5368c3d6b4ff/sv-benchmarks/c/float-newlib/float_req_bl_0970a_true-unreach-call.c [2018-12-02 23:45:47,760 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2ad5fd8e-be18-4682-a275-5368c3d6b4ff/bin-2019/utaipan/data/be447ed37/30abdc1ec16b4cae812d26846121cea9/FLAGf2e354c7a [2018-12-02 23:45:48,147 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2ad5fd8e-be18-4682-a275-5368c3d6b4ff/bin-2019/utaipan/data/be447ed37/30abdc1ec16b4cae812d26846121cea9 [2018-12-02 23:45:48,150 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 23:45:48,151 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 23:45:48,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 23:45:48,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 23:45:48,155 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 23:45:48,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:45:48" (1/1) ... [2018-12-02 23:45:48,157 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3757d378 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:48, skipping insertion in model container [2018-12-02 23:45:48,157 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:45:48" (1/1) ... [2018-12-02 23:45:48,163 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 23:45:48,178 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 23:45:48,288 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 23:45:48,290 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 23:45:48,315 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 23:45:48,358 INFO L195 MainTranslator]: Completed translation [2018-12-02 23:45:48,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:48 WrapperNode [2018-12-02 23:45:48,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 23:45:48,359 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 23:45:48,359 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 23:45:48,359 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 23:45:48,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:48" (1/1) ... [2018-12-02 23:45:48,370 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:48" (1/1) ... [2018-12-02 23:45:48,375 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 23:45:48,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 23:45:48,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 23:45:48,375 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 23:45:48,381 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:48" (1/1) ... [2018-12-02 23:45:48,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:48" (1/1) ... [2018-12-02 23:45:48,383 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:48" (1/1) ... [2018-12-02 23:45:48,383 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:48" (1/1) ... [2018-12-02 23:45:48,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:48" (1/1) ... [2018-12-02 23:45:48,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:48" (1/1) ... [2018-12-02 23:45:48,397 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:48" (1/1) ... [2018-12-02 23:45:48,398 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 23:45:48,399 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 23:45:48,399 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 23:45:48,399 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 23:45:48,399 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2ad5fd8e-be18-4682-a275-5368c3d6b4ff/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 23:45:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_float [2018-12-02 23:45:48,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_float [2018-12-02 23:45:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 23:45:48,429 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 23:45:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-12-02 23:45:48,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-12-02 23:45:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-02 23:45:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 23:45:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 23:45:48,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 23:45:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-02 23:45:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 23:45:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-12-02 23:45:48,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-12-02 23:45:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10f [2018-12-02 23:45:48,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10f [2018-12-02 23:45:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 23:45:48,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 23:45:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 23:45:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 23:45:48,649 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 23:45:48,649 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-02 23:45:48,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:45:48 BoogieIcfgContainer [2018-12-02 23:45:48,650 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 23:45:48,650 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 23:45:48,650 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 23:45:48,652 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 23:45:48,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:45:48" (1/3) ... [2018-12-02 23:45:48,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@afaa734 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:45:48, skipping insertion in model container [2018-12-02 23:45:48,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:48" (2/3) ... [2018-12-02 23:45:48,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@afaa734 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:45:48, skipping insertion in model container [2018-12-02 23:45:48,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:45:48" (3/3) ... [2018-12-02 23:45:48,654 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0970a_true-unreach-call.c [2018-12-02 23:45:48,660 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 23:45:48,666 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 23:45:48,678 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 23:45:48,697 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 23:45:48,697 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 23:45:48,697 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 23:45:48,697 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 23:45:48,697 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 23:45:48,697 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 23:45:48,697 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 23:45:48,697 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 23:45:48,708 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2018-12-02 23:45:48,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 23:45:48,711 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 23:45:48,712 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 23:45:48,713 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 23:45:48,717 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:45:48,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1246342872, now seen corresponding path program 1 times [2018-12-02 23:45:48,718 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 23:45:48,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:45:48,750 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:45:48,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:45:48,751 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 23:45:48,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:45:48,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:45:48,822 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 23:45:48,822 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 23:45:48,822 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 23:45:48,825 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 23:45:48,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 23:45:48,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 23:45:48,834 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 3 states. [2018-12-02 23:45:48,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 23:45:48,862 INFO L93 Difference]: Finished difference Result 134 states and 198 transitions. [2018-12-02 23:45:48,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 23:45:48,863 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2018-12-02 23:45:48,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 23:45:48,868 INFO L225 Difference]: With dead ends: 134 [2018-12-02 23:45:48,868 INFO L226 Difference]: Without dead ends: 66 [2018-12-02 23:45:48,870 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 23:45:48,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-12-02 23:45:48,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2018-12-02 23:45:48,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-12-02 23:45:48,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 80 transitions. [2018-12-02 23:45:48,893 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 80 transitions. Word has length 23 [2018-12-02 23:45:48,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 23:45:48,894 INFO L480 AbstractCegarLoop]: Abstraction has 66 states and 80 transitions. [2018-12-02 23:45:48,894 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 23:45:48,894 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 80 transitions. [2018-12-02 23:45:48,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-02 23:45:48,894 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 23:45:48,894 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 23:45:48,895 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 23:45:48,895 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:45:48,895 INFO L82 PathProgramCache]: Analyzing trace with hash -1452208950, now seen corresponding path program 1 times [2018-12-02 23:45:48,895 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 23:45:48,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:45:48,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:45:48,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:45:48,896 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 23:45:48,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 23:45:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 23:45:48,960 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 23:45:48,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 11:45:48 BoogieIcfgContainer [2018-12-02 23:45:48,987 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 23:45:48,988 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 23:45:48,988 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 23:45:48,988 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 23:45:48,988 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:45:48" (3/4) ... [2018-12-02 23:45:48,990 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 23:45:48,991 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 23:45:48,991 INFO L168 Benchmark]: Toolchain (without parser) took 841.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 952.2 MB in the beginning and 1.0 GB in the end (delta: -82.5 MB). Peak memory consumption was 29.2 MB. Max. memory is 11.5 GB. [2018-12-02 23:45:48,992 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 23:45:48,992 INFO L168 Benchmark]: CACSL2BoogieTranslator took 206.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -159.8 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. [2018-12-02 23:45:48,993 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 23:45:48,993 INFO L168 Benchmark]: Boogie Preprocessor took 23.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 23:45:48,993 INFO L168 Benchmark]: RCFGBuilder took 251.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. [2018-12-02 23:45:48,994 INFO L168 Benchmark]: TraceAbstraction took 337.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. [2018-12-02 23:45:48,994 INFO L168 Benchmark]: Witness Printer took 3.05 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 23:45:48,996 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 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 206.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -159.8 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 251.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 337.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.05 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 174]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 145, overapproximation of bitwiseAnd at line 116, overapproximation of someBinaryArithmeticFLOAToperation at line 117. Possible FailurePath: [L12-L16] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L18] static const float zero_log = 0.0; [L98-L101] static const float two25_log10 = 3.3554432000e+07, ivln10_log10 = 4.3429449201e-01, log10_2hi_log10 = 3.0102920532e-01, log10_2lo_log10 = 7.9034151668e-07; [L103] static const float zero = 0.0; VAL [\old(ivln10_log10)=6442450957, \old(Lg1_log)=6442450954, \old(Lg2_log)=6442450955, \old(Lg3_log)=6442450956, \old(Lg4_log)=6442450959, \old(Lg5_log)=6442450961, \old(Lg6_log)=6442450968, \old(Lg7_log)=6442450965, \old(ln2_hi_log)=6442450945, \old(ln2_lo_log)=6442450949, \old(log10_2hi_log10)=6442450951, \old(log10_2lo_log10)=6442450967, \old(two25_log)=6442450964, \old(two25_log10)=6442450952, \old(zero)=6442450969, \old(zero_log)=6442450950, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L166] float x = __VERIFIER_nondet_float(); [L168] x < 0 && isfinite_float(x) VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450960, x < 0 && isfinite_float(x)=1, zero=0, zero_log=0] [L168] CALL, EXPR isfinite_float(x) VAL [\old(x)=6442450960, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L149] __int32_t ix; VAL [\old(x)=6442450960, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450960, zero=0, zero_log=0] [L151] ieee_float_shape_type gf_u; [L152] gf_u.value = (x) [L153] EXPR gf_u.word [L153] (ix) = gf_u.word [L155] ix &= 0x7fffffff [L156] return (((ix) < 0x7f800000L)); VAL [\old(x)=6442450960, \result=1, ivln10_log10=43429449201/100000000000, ix=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450960, zero=0, zero_log=0] [L168] RET, EXPR isfinite_float(x) VAL [isfinite_float(x)=1, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450960, x < 0 && isfinite_float(x)=1, zero=0, zero_log=0] [L168] x < 0 && isfinite_float(x) VAL [isfinite_float(x)=1, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450960, x < 0 && isfinite_float(x)=1, zero=0, zero_log=0] [L168] COND TRUE x < 0 && isfinite_float(x) [L170] CALL, EXPR __ieee754_log10f(x) VAL [\old(x)=6442450960, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L106] float y, z; [L107] __int32_t i, k, hx; VAL [\old(x)=6442450960, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450960, zero=0, zero_log=0] [L110] ieee_float_shape_type gf_u; [L111] gf_u.value = (x) [L112] EXPR gf_u.word [L112] (hx) = gf_u.word [L115] k = 0 VAL [\old(x)=6442450960, hx=3, ivln10_log10=43429449201/100000000000, k=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450960, zero=0, zero_log=0] [L116] COND TRUE ((hx & 0x7fffffff) == 0) [L117] return -two25_log10 / zero; VAL [\old(x)=6442450960, hx=3, ivln10_log10=43429449201/100000000000, k=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450960, zero=0, zero_log=0] [L170] RET, EXPR __ieee754_log10f(x) VAL [__ieee754_log10f(x)=6442450970, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450960, zero=0, zero_log=0] [L170] float res = __ieee754_log10f(x); [L173] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450970, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L145] return x != x; VAL [\old(x)=6442450970, \result=0, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450970, zero=0, zero_log=0] [L173] RET, EXPR isnan_float(res) VAL [isnan_float(res)=0, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, res=6442450970, two25_log=33554432, two25_log10=33554432, x=6442450960, zero=0, zero_log=0] [L173] COND TRUE !isnan_float(res) [L174] __VERIFIER_error() VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, res=6442450970, two25_log=33554432, two25_log10=33554432, x=6442450960, zero=0, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 71 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 86 SDtfs, 0 SDslu, 81 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=71occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 506 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-02 23:45:50,418 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 23:45:50,419 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 23:45:50,426 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 23:45:50,426 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 23:45:50,427 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 23:45:50,428 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 23:45:50,429 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 23:45:50,430 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 23:45:50,431 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 23:45:50,431 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 23:45:50,432 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 23:45:50,432 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 23:45:50,433 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 23:45:50,434 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 23:45:50,434 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 23:45:50,435 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 23:45:50,436 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 23:45:50,437 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 23:45:50,438 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 23:45:50,439 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 23:45:50,440 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 23:45:50,442 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 23:45:50,442 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 23:45:50,442 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 23:45:50,443 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 23:45:50,443 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 23:45:50,444 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 23:45:50,444 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 23:45:50,445 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 23:45:50,445 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 23:45:50,446 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 23:45:50,446 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 23:45:50,446 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 23:45:50,447 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 23:45:50,447 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 23:45:50,447 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2ad5fd8e-be18-4682-a275-5368c3d6b4ff/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-02 23:45:50,458 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 23:45:50,458 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 23:45:50,459 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 23:45:50,459 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 23:45:50,459 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 23:45:50,459 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 23:45:50,459 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 23:45:50,460 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 23:45:50,460 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 23:45:50,460 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 23:45:50,460 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 23:45:50,461 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 23:45:50,461 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 23:45:50,461 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 23:45:50,461 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 23:45:50,461 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 23:45:50,461 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 23:45:50,462 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 23:45:50,462 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 23:45:50,462 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 23:45:50,462 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 23:45:50,462 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 23:45:50,462 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 23:45:50,462 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 23:45:50,463 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 23:45:50,463 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 23:45:50,463 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 23:45:50,463 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 23:45:50,463 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 23:45:50,463 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 23:45:50,464 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 23:45:50,464 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 23:45:50,464 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 23:45:50,464 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 23:45:50,464 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 23:45:50,464 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_2ad5fd8e-be18-4682-a275-5368c3d6b4ff/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 963536477b49c0268678cb8326bb32feb993b05a [2018-12-02 23:45:50,488 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 23:45:50,496 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 23:45:50,499 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 23:45:50,500 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 23:45:50,500 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 23:45:50,500 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2ad5fd8e-be18-4682-a275-5368c3d6b4ff/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0970a_true-unreach-call.c [2018-12-02 23:45:50,537 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2ad5fd8e-be18-4682-a275-5368c3d6b4ff/bin-2019/utaipan/data/eff67d9af/a1aa55190cea46828cd6c7d36c235625/FLAG4ca0c87d2 [2018-12-02 23:45:50,957 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 23:45:50,958 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2ad5fd8e-be18-4682-a275-5368c3d6b4ff/sv-benchmarks/c/float-newlib/float_req_bl_0970a_true-unreach-call.c [2018-12-02 23:45:50,962 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2ad5fd8e-be18-4682-a275-5368c3d6b4ff/bin-2019/utaipan/data/eff67d9af/a1aa55190cea46828cd6c7d36c235625/FLAG4ca0c87d2 [2018-12-02 23:45:50,969 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2ad5fd8e-be18-4682-a275-5368c3d6b4ff/bin-2019/utaipan/data/eff67d9af/a1aa55190cea46828cd6c7d36c235625 [2018-12-02 23:45:50,971 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 23:45:50,972 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 23:45:50,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 23:45:50,973 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 23:45:50,975 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 23:45:50,975 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:45:50" (1/1) ... [2018-12-02 23:45:50,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36a0bb1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:50, skipping insertion in model container [2018-12-02 23:45:50,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:45:50" (1/1) ... [2018-12-02 23:45:50,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 23:45:50,994 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 23:45:51,106 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 23:45:51,110 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 23:45:51,141 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 23:45:51,157 INFO L195 MainTranslator]: Completed translation [2018-12-02 23:45:51,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:51 WrapperNode [2018-12-02 23:45:51,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 23:45:51,157 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 23:45:51,158 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 23:45:51,158 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 23:45:51,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:51" (1/1) ... [2018-12-02 23:45:51,170 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:51" (1/1) ... [2018-12-02 23:45:51,209 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 23:45:51,209 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 23:45:51,209 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 23:45:51,209 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 23:45:51,215 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:51" (1/1) ... [2018-12-02 23:45:51,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:51" (1/1) ... [2018-12-02 23:45:51,219 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:51" (1/1) ... [2018-12-02 23:45:51,219 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:51" (1/1) ... [2018-12-02 23:45:51,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:51" (1/1) ... [2018-12-02 23:45:51,238 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:51" (1/1) ... [2018-12-02 23:45:51,241 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:51" (1/1) ... [2018-12-02 23:45:51,244 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 23:45:51,244 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 23:45:51,244 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 23:45:51,244 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 23:45:51,245 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2ad5fd8e-be18-4682-a275-5368c3d6b4ff/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 23:45:51,276 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_float [2018-12-02 23:45:51,276 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_float [2018-12-02 23:45:51,276 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 23:45:51,277 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 23:45:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-02 23:45:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-12-02 23:45:51,277 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-12-02 23:45:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 23:45:51,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 23:45:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 23:45:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 23:45:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-12-02 23:45:51,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-12-02 23:45:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10f [2018-12-02 23:45:51,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10f [2018-12-02 23:45:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 23:45:51,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 23:45:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-02 23:45:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 23:45:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 23:45:51,373 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 23:45:54,140 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 23:45:54,589 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 23:46:03,900 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 23:46:04,695 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 23:46:06,812 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 23:46:06,812 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-02 23:46:06,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:46:06 BoogieIcfgContainer [2018-12-02 23:46:06,812 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 23:46:06,813 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 23:46:06,813 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 23:46:06,815 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 23:46:06,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:45:50" (1/3) ... [2018-12-02 23:46:06,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76d3f2bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:46:06, skipping insertion in model container [2018-12-02 23:46:06,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:51" (2/3) ... [2018-12-02 23:46:06,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76d3f2bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:46:06, skipping insertion in model container [2018-12-02 23:46:06,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:46:06" (3/3) ... [2018-12-02 23:46:06,817 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0970a_true-unreach-call.c [2018-12-02 23:46:06,823 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 23:46:06,828 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 23:46:06,838 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 23:46:06,855 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 23:46:06,856 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 23:46:06,856 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 23:46:06,856 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 23:46:06,856 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 23:46:06,856 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 23:46:06,856 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 23:46:06,856 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 23:46:06,856 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 23:46:06,866 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states. [2018-12-02 23:46:06,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 23:46:06,870 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 23:46:06,870 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 23:46:06,871 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 23:46:06,874 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:46:06,875 INFO L82 PathProgramCache]: Analyzing trace with hash 719600362, now seen corresponding path program 1 times [2018-12-02 23:46:06,877 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 23:46:06,877 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2ad5fd8e-be18-4682-a275-5368c3d6b4ff/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-02 23:46:06,885 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:46:07,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:46:07,091 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 23:46:07,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:46:07,102 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 23:46:07,113 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 23:46:07,113 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 23:46:07,115 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 23:46:07,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 23:46:07,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 23:46:07,124 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 2 states. [2018-12-02 23:46:07,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 23:46:07,141 INFO L93 Difference]: Finished difference Result 131 states and 194 transitions. [2018-12-02 23:46:07,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 23:46:07,142 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-12-02 23:46:07,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 23:46:07,151 INFO L225 Difference]: With dead ends: 131 [2018-12-02 23:46:07,151 INFO L226 Difference]: Without dead ends: 65 [2018-12-02 23:46:07,154 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 23:46:07,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-12-02 23:46:07,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-12-02 23:46:07,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-12-02 23:46:07,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 80 transitions. [2018-12-02 23:46:07,182 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 80 transitions. Word has length 22 [2018-12-02 23:46:07,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 23:46:07,183 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 80 transitions. [2018-12-02 23:46:07,183 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 23:46:07,183 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 80 transitions. [2018-12-02 23:46:07,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 23:46:07,183 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 23:46:07,183 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 23:46:07,184 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 23:46:07,184 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:46:07,184 INFO L82 PathProgramCache]: Analyzing trace with hash 1673203401, now seen corresponding path program 1 times [2018-12-02 23:46:07,184 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 23:46:07,184 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2ad5fd8e-be18-4682-a275-5368c3d6b4ff/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-02 23:46:07,188 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:46:07,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:46:07,385 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 23:46:07,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:46:07,396 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 23:46:07,406 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 23:46:07,406 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 23:46:07,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 23:46:07,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 23:46:07,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 23:46:07,408 INFO L87 Difference]: Start difference. First operand 65 states and 80 transitions. Second operand 3 states. [2018-12-02 23:46:07,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 23:46:07,424 INFO L93 Difference]: Finished difference Result 115 states and 144 transitions. [2018-12-02 23:46:07,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 23:46:07,424 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2018-12-02 23:46:07,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 23:46:07,426 INFO L225 Difference]: With dead ends: 115 [2018-12-02 23:46:07,426 INFO L226 Difference]: Without dead ends: 65 [2018-12-02 23:46:07,427 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 23:46:07,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-12-02 23:46:07,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-12-02 23:46:07,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-12-02 23:46:07,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 79 transitions. [2018-12-02 23:46:07,433 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 79 transitions. Word has length 23 [2018-12-02 23:46:07,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 23:46:07,434 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 79 transitions. [2018-12-02 23:46:07,434 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 23:46:07,434 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 79 transitions. [2018-12-02 23:46:07,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-02 23:46:07,435 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 23:46:07,435 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 23:46:07,435 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 23:46:07,436 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:46:07,436 INFO L82 PathProgramCache]: Analyzing trace with hash -523840169, now seen corresponding path program 1 times [2018-12-02 23:46:07,436 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 23:46:07,436 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2ad5fd8e-be18-4682-a275-5368c3d6b4ff/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-02 23:46:07,439 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:46:07,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:46:07,648 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 23:46:07,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:46:07,739 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 23:46:07,749 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 23:46:07,749 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 23:46:07,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 23:46:07,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 23:46:07,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 23:46:07,750 INFO L87 Difference]: Start difference. First operand 65 states and 79 transitions. Second operand 7 states. [2018-12-02 23:46:09,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 23:46:09,323 INFO L93 Difference]: Finished difference Result 79 states and 92 transitions. [2018-12-02 23:46:09,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 23:46:09,324 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2018-12-02 23:46:09,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 23:46:09,326 INFO L225 Difference]: With dead ends: 79 [2018-12-02 23:46:09,326 INFO L226 Difference]: Without dead ends: 69 [2018-12-02 23:46:09,326 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-12-02 23:46:09,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-12-02 23:46:09,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 65. [2018-12-02 23:46:09,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-12-02 23:46:09,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 78 transitions. [2018-12-02 23:46:09,331 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 78 transitions. Word has length 31 [2018-12-02 23:46:09,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 23:46:09,331 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 78 transitions. [2018-12-02 23:46:09,331 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 23:46:09,331 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 78 transitions. [2018-12-02 23:46:09,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-02 23:46:09,332 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 23:46:09,332 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 23:46:09,332 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 23:46:09,332 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:46:09,332 INFO L82 PathProgramCache]: Analyzing trace with hash 988920286, now seen corresponding path program 1 times [2018-12-02 23:46:09,332 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 23:46:09,333 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2ad5fd8e-be18-4682-a275-5368c3d6b4ff/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-12-02 23:46:09,335 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:46:09,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:46:09,579 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 23:46:09,886 WARN L180 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-12-02 23:46:10,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:46:10,273 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 23:46:10,282 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 23:46:10,282 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 23:46:10,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 23:46:10,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 23:46:10,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-12-02 23:46:10,283 INFO L87 Difference]: Start difference. First operand 65 states and 78 transitions. Second operand 8 states. [2018-12-02 23:46:11,736 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-12-02 23:46:13,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 23:46:13,885 INFO L93 Difference]: Finished difference Result 72 states and 85 transitions. [2018-12-02 23:46:13,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 23:46:13,885 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2018-12-02 23:46:13,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 23:46:13,886 INFO L225 Difference]: With dead ends: 72 [2018-12-02 23:46:13,887 INFO L226 Difference]: Without dead ends: 65 [2018-12-02 23:46:13,887 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2018-12-02 23:46:13,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-12-02 23:46:13,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-12-02 23:46:13,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-12-02 23:46:13,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 77 transitions. [2018-12-02 23:46:13,897 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 77 transitions. Word has length 32 [2018-12-02 23:46:13,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 23:46:13,897 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 77 transitions. [2018-12-02 23:46:13,897 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 23:46:13,898 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 77 transitions. [2018-12-02 23:46:13,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-02 23:46:13,898 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 23:46:13,898 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 23:46:13,898 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 23:46:13,899 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:46:13,899 INFO L82 PathProgramCache]: Analyzing trace with hash -146199885, now seen corresponding path program 1 times [2018-12-02 23:46:13,899 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 23:46:13,899 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2ad5fd8e-be18-4682-a275-5368c3d6b4ff/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-12-02 23:46:13,902 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:46:13,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:46:13,970 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 23:46:14,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:46:14,040 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 23:46:14,048 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 23:46:14,048 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 23:46:14,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 23:46:14,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 23:46:14,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 23:46:14,049 INFO L87 Difference]: Start difference. First operand 65 states and 77 transitions. Second operand 7 states. [2018-12-02 23:46:14,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 23:46:14,565 INFO L93 Difference]: Finished difference Result 69 states and 81 transitions. [2018-12-02 23:46:14,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 23:46:14,566 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2018-12-02 23:46:14,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 23:46:14,566 INFO L225 Difference]: With dead ends: 69 [2018-12-02 23:46:14,566 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 23:46:14,567 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2018-12-02 23:46:14,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 23:46:14,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 23:46:14,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 23:46:14,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 23:46:14,567 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2018-12-02 23:46:14,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 23:46:14,567 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 23:46:14,567 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 23:46:14,567 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 23:46:14,568 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 23:46:14,570 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 23:46:14,794 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 18 [2018-12-02 23:46:14,929 INFO L448 ceAbstractionStarter]: For program point isnan_floatFINAL(line 145) no Hoare annotation was computed. [2018-12-02 23:46:14,930 INFO L451 ceAbstractionStarter]: At program point isnan_floatENTRY(line 145) the Hoare annotation is: true [2018-12-02 23:46:14,930 INFO L448 ceAbstractionStarter]: For program point isnan_floatEXIT(line 145) no Hoare annotation was computed. [2018-12-02 23:46:14,930 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 23:46:14,930 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-02 23:46:14,930 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 23:46:14,930 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 150 154) no Hoare annotation was computed. [2018-12-02 23:46:14,930 INFO L451 ceAbstractionStarter]: At program point L150-2(lines 150 154) the Hoare annotation is: true [2018-12-02 23:46:14,930 INFO L448 ceAbstractionStarter]: For program point L150-3(lines 150 154) no Hoare annotation was computed. [2018-12-02 23:46:14,930 INFO L448 ceAbstractionStarter]: For program point isfinite_floatFINAL(lines 148 157) no Hoare annotation was computed. [2018-12-02 23:46:14,930 INFO L451 ceAbstractionStarter]: At program point isfinite_floatENTRY(lines 148 157) the Hoare annotation is: true [2018-12-02 23:46:14,930 INFO L448 ceAbstractionStarter]: For program point isfinite_floatEXIT(lines 148 157) no Hoare annotation was computed. [2018-12-02 23:46:14,930 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 32) no Hoare annotation was computed. [2018-12-02 23:46:14,931 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 72) no Hoare annotation was computed. [2018-12-02 23:46:14,931 INFO L448 ceAbstractionStarter]: For program point L85(lines 85 89) no Hoare annotation was computed. [2018-12-02 23:46:14,931 INFO L448 ceAbstractionStarter]: For program point L40-1(lines 40 44) no Hoare annotation was computed. [2018-12-02 23:46:14,931 INFO L451 ceAbstractionStarter]: At program point L40-2(lines 40 44) the Hoare annotation is: true [2018-12-02 23:46:14,931 INFO L451 ceAbstractionStarter]: At program point __ieee754_logfENTRY(lines 20 96) the Hoare annotation is: true [2018-12-02 23:46:14,931 INFO L448 ceAbstractionStarter]: For program point __ieee754_logfFINAL(lines 20 96) no Hoare annotation was computed. [2018-12-02 23:46:14,931 INFO L448 ceAbstractionStarter]: For program point L57(lines 57 64) no Hoare annotation was computed. [2018-12-02 23:46:14,931 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 24 28) no Hoare annotation was computed. [2018-12-02 23:46:14,931 INFO L451 ceAbstractionStarter]: At program point L24-2(lines 24 28) the Hoare annotation is: true [2018-12-02 23:46:14,931 INFO L448 ceAbstractionStarter]: For program point L24-3(lines 24 28) no Hoare annotation was computed. [2018-12-02 23:46:14,931 INFO L448 ceAbstractionStarter]: For program point L49-1(lines 49 53) no Hoare annotation was computed. [2018-12-02 23:46:14,931 INFO L451 ceAbstractionStarter]: At program point L49-2(lines 49 53) the Hoare annotation is: true [2018-12-02 23:46:14,931 INFO L448 ceAbstractionStarter]: For program point L49-3(lines 49 53) no Hoare annotation was computed. [2018-12-02 23:46:14,931 INFO L448 ceAbstractionStarter]: For program point L37(lines 37 45) no Hoare annotation was computed. [2018-12-02 23:46:14,932 INFO L448 ceAbstractionStarter]: For program point L37-1(lines 37 45) no Hoare annotation was computed. [2018-12-02 23:46:14,932 INFO L448 ceAbstractionStarter]: For program point L66(lines 66 71) no Hoare annotation was computed. [2018-12-02 23:46:14,932 INFO L448 ceAbstractionStarter]: For program point L33(lines 33 34) no Hoare annotation was computed. [2018-12-02 23:46:14,932 INFO L448 ceAbstractionStarter]: For program point __ieee754_logfEXIT(lines 20 96) no Hoare annotation was computed. [2018-12-02 23:46:14,932 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 94) no Hoare annotation was computed. [2018-12-02 23:46:14,932 INFO L448 ceAbstractionStarter]: For program point L58(lines 58 63) no Hoare annotation was computed. [2018-12-02 23:46:14,932 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 95) no Hoare annotation was computed. [2018-12-02 23:46:14,932 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 36) no Hoare annotation was computed. [2018-12-02 23:46:14,932 INFO L448 ceAbstractionStarter]: For program point L122(lines 122 130) no Hoare annotation was computed. [2018-12-02 23:46:14,932 INFO L448 ceAbstractionStarter]: For program point L122-1(lines 122 130) no Hoare annotation was computed. [2018-12-02 23:46:14,932 INFO L448 ceAbstractionStarter]: For program point L118(lines 118 119) no Hoare annotation was computed. [2018-12-02 23:46:14,932 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 135 139) no Hoare annotation was computed. [2018-12-02 23:46:14,932 INFO L444 ceAbstractionStarter]: At program point L135-2(lines 135 139) the Hoare annotation is: (or (exists ((__ieee754_log10f_~hx~0 (_ BitVec 32))) (and (not (bvslt __ieee754_log10f_~hx~0 (_ bv0 32))) (= (fp ((_ extract 31 31) __ieee754_log10f_~hx~0) ((_ extract 30 23) __ieee754_log10f_~hx~0) ((_ extract 22 0) __ieee754_log10f_~hx~0)) |__ieee754_log10f_#in~x|))) (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0))) [2018-12-02 23:46:14,932 INFO L444 ceAbstractionStarter]: At program point L135-3(lines 135 139) the Hoare annotation is: (or (exists ((__ieee754_log10f_~hx~0 (_ BitVec 32))) (and (not (bvslt __ieee754_log10f_~hx~0 (_ bv0 32))) (= (fp ((_ extract 31 31) __ieee754_log10f_~hx~0) ((_ extract 30 23) __ieee754_log10f_~hx~0) ((_ extract 22 0) __ieee754_log10f_~hx~0)) |__ieee754_log10f_#in~x|))) (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0))) [2018-12-02 23:46:14,933 INFO L448 ceAbstractionStarter]: For program point L140(line 140) no Hoare annotation was computed. [2018-12-02 23:46:14,933 INFO L451 ceAbstractionStarter]: At program point __ieee754_log10fENTRY(lines 105 142) the Hoare annotation is: true [2018-12-02 23:46:14,933 INFO L448 ceAbstractionStarter]: For program point __ieee754_log10fEXIT(lines 105 142) no Hoare annotation was computed. [2018-12-02 23:46:14,933 INFO L448 ceAbstractionStarter]: For program point __ieee754_log10fFINAL(lines 105 142) no Hoare annotation was computed. [2018-12-02 23:46:14,933 INFO L448 ceAbstractionStarter]: For program point L120(lines 120 121) no Hoare annotation was computed. [2018-12-02 23:46:14,933 INFO L448 ceAbstractionStarter]: For program point L116(lines 116 117) no Hoare annotation was computed. [2018-12-02 23:46:14,933 INFO L448 ceAbstractionStarter]: For program point L125-1(lines 125 129) no Hoare annotation was computed. [2018-12-02 23:46:14,933 INFO L444 ceAbstractionStarter]: At program point L125-2(lines 125 129) the Hoare annotation is: (or (and (= (fp ((_ extract 31 31) __ieee754_log10f_~hx~0) ((_ extract 30 23) __ieee754_log10f_~hx~0) ((_ extract 22 0) __ieee754_log10f_~hx~0)) |__ieee754_log10f_#in~x|) (exists ((__ieee754_log10f_~hx~0 (_ BitVec 32))) (and (not (bvslt __ieee754_log10f_~hx~0 (_ bv0 32))) (= (fp ((_ extract 31 31) __ieee754_log10f_~hx~0) ((_ extract 30 23) __ieee754_log10f_~hx~0) ((_ extract 22 0) __ieee754_log10f_~hx~0)) |__ieee754_log10f_#in~x|)))) (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0))) [2018-12-02 23:46:14,933 INFO L448 ceAbstractionStarter]: For program point L109-1(lines 109 113) no Hoare annotation was computed. [2018-12-02 23:46:14,933 INFO L444 ceAbstractionStarter]: At program point L109-2(lines 109 113) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0)) (= |__ieee754_log10f_#in~x| __ieee754_log10f_~x)) [2018-12-02 23:46:14,933 INFO L448 ceAbstractionStarter]: For program point L109-3(lines 109 113) no Hoare annotation was computed. [2018-12-02 23:46:14,933 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 23:46:14,933 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0) [2018-12-02 23:46:14,934 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 23:46:14,934 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 23:46:14,934 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 174) no Hoare annotation was computed. [2018-12-02 23:46:14,934 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 159 180) the Hoare annotation is: true [2018-12-02 23:46:14,934 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 159 180) no Hoare annotation was computed. [2018-12-02 23:46:14,934 INFO L448 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2018-12-02 23:46:14,934 INFO L444 ceAbstractionStarter]: At program point L173(line 173) the Hoare annotation is: (or (and (exists ((__ieee754_log10f_~x (_ FloatingPoint 8 24))) (= (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven __ieee754_log10f_~x __ieee754_log10f_~x) ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))) main_~res~0)) (fp.lt main_~x~0 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)))) (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0))) [2018-12-02 23:46:14,934 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 159 180) no Hoare annotation was computed. [2018-12-02 23:46:14,934 INFO L448 ceAbstractionStarter]: For program point L173-1(lines 173 176) no Hoare annotation was computed. [2018-12-02 23:46:14,934 INFO L444 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0)) (fp.lt main_~x~0 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)))) [2018-12-02 23:46:14,934 INFO L448 ceAbstractionStarter]: For program point L170-1(line 170) no Hoare annotation was computed. [2018-12-02 23:46:14,934 INFO L448 ceAbstractionStarter]: For program point L168(line 168) no Hoare annotation was computed. [2018-12-02 23:46:14,934 INFO L444 ceAbstractionStarter]: At program point L168-1(line 168) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0)) (and |main_#t~short17| (fp.lt main_~x~0 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32))))) [2018-12-02 23:46:14,935 INFO L448 ceAbstractionStarter]: For program point L168-2(line 168) no Hoare annotation was computed. [2018-12-02 23:46:14,935 INFO L448 ceAbstractionStarter]: For program point L168-4(lines 168 177) no Hoare annotation was computed. [2018-12-02 23:46:14,935 INFO L448 ceAbstractionStarter]: For program point L168-6(lines 168 177) no Hoare annotation was computed. [2018-12-02 23:46:14,939 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 23:46:14,939 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 23:46:14,939 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 23:46:14,940 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 23:46:14,941 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 23:46:14,943 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 23:46:14,943 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 23:46:14,943 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 23:46:14,943 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 23:46:14,943 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 23:46:14,944 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 23:46:14,944 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 23:46:14,944 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 23:46:14,945 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 23:46:14,945 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 23:46:14,945 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 23:46:14,945 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 23:46:14,945 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 23:46:14,945 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 23:46:14,946 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 23:46:14,946 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 23:46:14,946 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 23:46:14,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 11:46:14 BoogieIcfgContainer [2018-12-02 23:46:14,947 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 23:46:14,947 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 23:46:14,947 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 23:46:14,947 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 23:46:14,948 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:46:06" (3/4) ... [2018-12-02 23:46:14,950 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 23:46:14,953 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-12-02 23:46:14,954 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 23:46:14,954 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isfinite_float [2018-12-02 23:46:14,954 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_logf [2018-12-02 23:46:14,954 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log10f [2018-12-02 23:46:14,954 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 23:46:14,958 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-02 23:46:14,958 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-12-02 23:46:14,958 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 23:46:14,958 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 23:46:14,974 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero) || \old(x) == x [2018-12-02 23:46:14,974 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x) && (\exists __ieee754_log10f_~hx~0 : bv32 :: !~bvslt32(__ieee754_log10f_~hx~0, 0bv32) && ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x))) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero) [2018-12-02 23:46:14,974 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists __ieee754_log10f_~hx~0 : bv32 :: !~bvslt32(__ieee754_log10f_~hx~0, 0bv32) && ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x)) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero) [2018-12-02 23:46:14,997 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2ad5fd8e-be18-4682-a275-5368c3d6b4ff/bin-2019/utaipan/witness.graphml [2018-12-02 23:46:14,997 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 23:46:14,998 INFO L168 Benchmark]: Toolchain (without parser) took 24026.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 944.7 MB in the beginning and 878.2 MB in the end (delta: 66.5 MB). Peak memory consumption was 212.3 MB. Max. memory is 11.5 GB. [2018-12-02 23:46:14,998 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 23:46:14,999 INFO L168 Benchmark]: CACSL2BoogieTranslator took 184.77 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-02 23:46:14,999 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -211.9 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2018-12-02 23:46:14,999 INFO L168 Benchmark]: Boogie Preprocessor took 34.94 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-02 23:46:14,999 INFO L168 Benchmark]: RCFGBuilder took 15568.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 11.5 GB. [2018-12-02 23:46:14,999 INFO L168 Benchmark]: TraceAbstraction took 8134.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 885.0 MB in the end (delta: 201.7 MB). Peak memory consumption was 201.7 MB. Max. memory is 11.5 GB. [2018-12-02 23:46:15,000 INFO L168 Benchmark]: Witness Printer took 50.37 ms. Allocated memory is still 1.2 GB. Free memory was 885.0 MB in the beginning and 878.2 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-02 23:46:15,001 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 184.77 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -211.9 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.94 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 15568.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8134.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 885.0 MB in the end (delta: 201.7 MB). Peak memory consumption was 201.7 MB. Max. memory is 11.5 GB. * Witness Printer took 50.37 ms. Allocated memory is still 1.2 GB. Free memory was 885.0 MB in the beginning and 878.2 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 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: 150]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 135]: Loop Invariant [2018-12-02 23:46:15,004 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 23:46:15,004 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 23:46:15,005 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 23:46:15,005 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 23:46:15,005 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 23:46:15,005 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 23:46:15,005 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 23:46:15,005 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 23:46:15,005 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 23:46:15,005 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\exists __ieee754_log10f_~hx~0 : bv32 :: !~bvslt32(__ieee754_log10f_~hx~0, 0bv32) && ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x)) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero) - InvariantResult [Line: 109]: Loop Invariant [2018-12-02 23:46:15,005 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 23:46:15,005 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero) || \old(x) == x - InvariantResult [Line: 125]: Loop Invariant [2018-12-02 23:46:15,006 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 23:46:15,006 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 23:46:15,006 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 23:46:15,006 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 23:46:15,006 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 23:46:15,006 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 23:46:15,006 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 23:46:15,006 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 23:46:15,006 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-02 23:46:15,007 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x) && (\exists __ieee754_log10f_~hx~0 : bv32 :: !~bvslt32(__ieee754_log10f_~hx~0, 0bv32) && ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x))) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero) - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 70 locations, 1 error locations. SAFE Result, 8.0s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 5.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 368 SDtfs, 105 SDslu, 1013 SDs, 0 SdLazy, 147 SolverSat, 12 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 148 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=70occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 41 PreInvPairs, 52 NumberOfFragments, 153 HoareAnnotationTreeSize, 41 FomulaSimplifications, 25 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 19 FomulaSimplificationsInter, 138 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 136 ConstructedInterpolants, 9 QuantifiedInterpolants, 15260 SizeOfPredicates, 12 NumberOfNonLiveVariables, 593 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...