./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0910a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f878486c-d0a0-433c-9ba7-7ea3853b5c96/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f878486c-d0a0-433c-9ba7-7ea3853b5c96/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f878486c-d0a0-433c-9ba7-7ea3853b5c96/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f878486c-d0a0-433c-9ba7-7ea3853b5c96/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0910a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f878486c-d0a0-433c-9ba7-7ea3853b5c96/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f878486c-d0a0-433c-9ba7-7ea3853b5c96/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 534ce73b969c24d3fe4a2996f4697b5d070e8f3e .............................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f878486c-d0a0-433c-9ba7-7ea3853b5c96/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f878486c-d0a0-433c-9ba7-7ea3853b5c96/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f878486c-d0a0-433c-9ba7-7ea3853b5c96/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f878486c-d0a0-433c-9ba7-7ea3853b5c96/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0910a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f878486c-d0a0-433c-9ba7-7ea3853b5c96/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f878486c-d0a0-433c-9ba7-7ea3853b5c96/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 534ce73b969c24d3fe4a2996f4697b5d070e8f3e .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 03:47:13,649 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 03:47:13,651 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 03:47:13,662 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 03:47:13,662 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 03:47:13,663 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 03:47:13,665 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 03:47:13,667 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 03:47:13,670 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 03:47:13,671 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 03:47:13,672 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 03:47:13,673 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 03:47:13,674 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 03:47:13,675 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 03:47:13,676 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 03:47:13,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 03:47:13,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 03:47:13,682 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 03:47:13,685 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 03:47:13,689 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 03:47:13,692 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 03:47:13,695 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 03:47:13,698 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 03:47:13,701 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 03:47:13,703 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 03:47:13,706 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 03:47:13,706 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 03:47:13,707 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 03:47:13,708 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 03:47:13,710 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 03:47:13,710 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 03:47:13,711 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 03:47:13,712 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 03:47:13,713 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 03:47:13,715 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 03:47:13,715 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 03:47:13,716 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 03:47:13,716 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 03:47:13,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 03:47:13,717 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 03:47:13,719 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 03:47:13,719 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f878486c-d0a0-433c-9ba7-7ea3853b5c96/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 03:47:13,737 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 03:47:13,737 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 03:47:13,739 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 03:47:13,739 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 03:47:13,739 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 03:47:13,740 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 03:47:13,740 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 03:47:13,740 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 03:47:13,740 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 03:47:13,741 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 03:47:13,742 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 03:47:13,742 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 03:47:13,742 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 03:47:13,742 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 03:47:13,743 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 03:47:13,743 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 03:47:13,743 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 03:47:13,743 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 03:47:13,744 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 03:47:13,744 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 03:47:13,744 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 03:47:13,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 03:47:13,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 03:47:13,745 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 03:47:13,745 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 03:47:13,745 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 03:47:13,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 03:47:13,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 03:47:13,746 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_f878486c-d0a0-433c-9ba7-7ea3853b5c96/bin/uautomizer 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 -> Automizer 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 -> 534ce73b969c24d3fe4a2996f4697b5d070e8f3e [2019-11-20 03:47:13,903 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 03:47:13,913 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 03:47:13,917 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 03:47:13,918 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 03:47:13,919 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 03:47:13,920 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f878486c-d0a0-433c-9ba7-7ea3853b5c96/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0910a.c [2019-11-20 03:47:13,989 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f878486c-d0a0-433c-9ba7-7ea3853b5c96/bin/uautomizer/data/f5eb86319/5da92ec87c6c4567b5a34efa3a4e826f/FLAG6568da5f5 [2019-11-20 03:47:14,389 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 03:47:14,392 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f878486c-d0a0-433c-9ba7-7ea3853b5c96/sv-benchmarks/c/float-newlib/float_req_bl_0910a.c [2019-11-20 03:47:14,401 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f878486c-d0a0-433c-9ba7-7ea3853b5c96/bin/uautomizer/data/f5eb86319/5da92ec87c6c4567b5a34efa3a4e826f/FLAG6568da5f5 [2019-11-20 03:47:14,753 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f878486c-d0a0-433c-9ba7-7ea3853b5c96/bin/uautomizer/data/f5eb86319/5da92ec87c6c4567b5a34efa3a4e826f [2019-11-20 03:47:14,756 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 03:47:14,759 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 03:47:14,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 03:47:14,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 03:47:14,767 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 03:47:14,768 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:47:14" (1/1) ... [2019-11-20 03:47:14,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d56deec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:14, skipping insertion in model container [2019-11-20 03:47:14,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:47:14" (1/1) ... [2019-11-20 03:47:14,779 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 03:47:14,815 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 03:47:15,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:47:15,153 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 03:47:15,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:47:15,211 INFO L192 MainTranslator]: Completed translation [2019-11-20 03:47:15,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:15 WrapperNode [2019-11-20 03:47:15,212 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 03:47:15,213 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 03:47:15,213 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 03:47:15,213 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 03:47:15,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:15" (1/1) ... [2019-11-20 03:47:15,232 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:15" (1/1) ... [2019-11-20 03:47:15,259 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 03:47:15,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 03:47:15,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 03:47:15,259 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 03:47:15,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:15" (1/1) ... [2019-11-20 03:47:15,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:15" (1/1) ... [2019-11-20 03:47:15,273 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:15" (1/1) ... [2019-11-20 03:47:15,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:15" (1/1) ... [2019-11-20 03:47:15,281 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:15" (1/1) ... [2019-11-20 03:47:15,286 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:15" (1/1) ... [2019-11-20 03:47:15,288 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:15" (1/1) ... [2019-11-20 03:47:15,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 03:47:15,291 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 03:47:15,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 03:47:15,292 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 03:47:15,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f878486c-d0a0-433c-9ba7-7ea3853b5c96/bin/uautomizer/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 [2019-11-20 03:47:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-20 03:47:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 03:47:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-20 03:47:15,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 03:47:15,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 03:47:15,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 03:47:15,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 03:47:15,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 03:47:15,730 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 03:47:15,731 INFO L285 CfgBuilder]: Removed 16 assume(true) statements. [2019-11-20 03:47:15,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:47:15 BoogieIcfgContainer [2019-11-20 03:47:15,732 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 03:47:15,733 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 03:47:15,733 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 03:47:15,736 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 03:47:15,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 03:47:14" (1/3) ... [2019-11-20 03:47:15,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b44f1f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 03:47:15, skipping insertion in model container [2019-11-20 03:47:15,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:15" (2/3) ... [2019-11-20 03:47:15,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b44f1f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 03:47:15, skipping insertion in model container [2019-11-20 03:47:15,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:47:15" (3/3) ... [2019-11-20 03:47:15,740 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0910a.c [2019-11-20 03:47:15,749 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 03:47:15,756 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 03:47:15,766 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 03:47:15,789 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 03:47:15,790 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 03:47:15,790 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 03:47:15,790 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 03:47:15,790 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 03:47:15,790 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 03:47:15,791 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 03:47:15,791 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 03:47:15,805 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2019-11-20 03:47:15,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 03:47:15,810 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:47:15,810 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:47:15,811 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:47:15,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:47:15,815 INFO L82 PathProgramCache]: Analyzing trace with hash -179144357, now seen corresponding path program 1 times [2019-11-20 03:47:15,822 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:47:15,822 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158917928] [2019-11-20 03:47:15,823 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:47:15,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:47:15,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:47:15,931 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158917928] [2019-11-20 03:47:15,931 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:47:15,932 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 03:47:15,932 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648689456] [2019-11-20 03:47:15,936 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 03:47:15,936 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:47:15,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 03:47:15,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 03:47:15,948 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2019-11-20 03:47:15,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:47:15,964 INFO L93 Difference]: Finished difference Result 64 states and 102 transitions. [2019-11-20 03:47:15,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 03:47:15,965 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-20 03:47:15,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:47:15,975 INFO L225 Difference]: With dead ends: 64 [2019-11-20 03:47:15,975 INFO L226 Difference]: Without dead ends: 30 [2019-11-20 03:47:15,978 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 03:47:15,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-20 03:47:16,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-11-20 03:47:16,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-20 03:47:16,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2019-11-20 03:47:16,011 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 40 transitions. Word has length 11 [2019-11-20 03:47:16,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:47:16,011 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 40 transitions. [2019-11-20 03:47:16,012 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 03:47:16,012 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2019-11-20 03:47:16,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 03:47:16,012 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:47:16,012 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:47:16,013 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:47:16,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:47:16,013 INFO L82 PathProgramCache]: Analyzing trace with hash 574087680, now seen corresponding path program 1 times [2019-11-20 03:47:16,013 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:47:16,013 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901518573] [2019-11-20 03:47:16,014 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:47:16,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:47:16,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:47:16,146 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:47:16,147 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 03:47:16,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 03:47:16 BoogieIcfgContainer [2019-11-20 03:47:16,180 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 03:47:16,180 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 03:47:16,181 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 03:47:16,181 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 03:47:16,181 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:47:15" (3/4) ... [2019-11-20 03:47:16,184 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 03:47:16,184 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 03:47:16,187 INFO L168 Benchmark]: Toolchain (without parser) took 1427.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 944.7 MB in the beginning and 1.0 GB in the end (delta: -94.2 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2019-11-20 03:47:16,187 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:47:16,188 INFO L168 Benchmark]: CACSL2BoogieTranslator took 450.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -154.3 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-11-20 03:47:16,188 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.87 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-11-20 03:47:16,189 INFO L168 Benchmark]: Boogie Preprocessor took 32.13 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:47:16,189 INFO L168 Benchmark]: RCFGBuilder took 440.84 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: 31.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2019-11-20 03:47:16,190 INFO L168 Benchmark]: TraceAbstraction took 447.04 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: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. [2019-11-20 03:47:16,190 INFO L168 Benchmark]: Witness Printer took 4.15 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. [2019-11-20 03:47:16,194 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 450.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -154.3 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.87 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.13 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 440.84 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: 31.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 447.04 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: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.15 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: 120]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 43, overapproximation of bitwiseAnd at line 19. Possible FailurePath: [L23-L27] 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; [L29] static const float zero_log = 0.0; VAL [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, two25_log=33554432, zero_log=0] [L115] float x = 0.0f; [L32] float hfsq, f, s, z, R, w, t1, t2, dk; [L33] __int32_t k, ix, i, j; VAL [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, two25_log=33554432, zero_log=0] [L36] ieee_float_shape_type gf_u; [L37] gf_u.value = (x) [L38] EXPR gf_u.word [L38] (ix) = gf_u.word [L41] k = 0 VAL [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, two25_log=33554432, zero_log=0] [L42] COND TRUE ((ix & 0x7fffffff) == 0) [L43] return -two25_log / zero_log; VAL [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, two25_log=33554432, zero_log=0] [L116] float res = __ieee754_logf(x); [L13] __int32_t ix; VAL [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, two25_log=33554432, zero_log=0] [L15] ieee_float_shape_type gf_u; [L16] gf_u.value = (x) [L17] EXPR gf_u.word [L17] (ix) = gf_u.word [L19] ix &= 0x7fffffff [L20] return ((ix) == 0x7f800000L); VAL [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, two25_log=33554432, zero_log=0] [L119] COND TRUE !isinf_float(res) [L120] __VERIFIER_error() VAL [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, two25_log=33554432, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 43 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: 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 0.1.24-678e011 [2019-11-20 03:47:18,152 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 03:47:18,154 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 03:47:18,172 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 03:47:18,172 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 03:47:18,173 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 03:47:18,175 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 03:47:18,177 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 03:47:18,188 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 03:47:18,189 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 03:47:18,190 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 03:47:18,191 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 03:47:18,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 03:47:18,194 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 03:47:18,195 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 03:47:18,197 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 03:47:18,198 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 03:47:18,199 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 03:47:18,203 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 03:47:18,207 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 03:47:18,212 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 03:47:18,214 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 03:47:18,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 03:47:18,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 03:47:18,223 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 03:47:18,224 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 03:47:18,224 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 03:47:18,227 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 03:47:18,227 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 03:47:18,228 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 03:47:18,228 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 03:47:18,229 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 03:47:18,230 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 03:47:18,230 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 03:47:18,231 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 03:47:18,232 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 03:47:18,232 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 03:47:18,233 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 03:47:18,233 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 03:47:18,233 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 03:47:18,234 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 03:47:18,235 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f878486c-d0a0-433c-9ba7-7ea3853b5c96/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 03:47:18,248 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 03:47:18,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 03:47:18,250 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 03:47:18,250 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 03:47:18,250 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 03:47:18,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 03:47:18,251 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 03:47:18,251 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 03:47:18,251 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 03:47:18,252 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 03:47:18,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 03:47:18,252 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 03:47:18,252 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 03:47:18,253 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 03:47:18,253 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 03:47:18,253 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 03:47:18,253 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 03:47:18,254 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 03:47:18,254 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 03:47:18,254 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 03:47:18,255 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 03:47:18,255 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 03:47:18,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 03:47:18,255 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 03:47:18,256 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 03:47:18,256 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 03:47:18,256 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 03:47:18,256 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 03:47:18,257 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 03:47:18,257 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 03:47:18,257 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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/run_dir_f878486c-d0a0-433c-9ba7-7ea3853b5c96/bin/uautomizer 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 -> Automizer 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 -> 534ce73b969c24d3fe4a2996f4697b5d070e8f3e [2019-11-20 03:47:18,535 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 03:47:18,552 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 03:47:18,555 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 03:47:18,558 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 03:47:18,559 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 03:47:18,560 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f878486c-d0a0-433c-9ba7-7ea3853b5c96/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0910a.c [2019-11-20 03:47:18,621 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f878486c-d0a0-433c-9ba7-7ea3853b5c96/bin/uautomizer/data/974823685/4df7c926d8424aabbe618a9ac360a50b/FLAG982baadfa [2019-11-20 03:47:19,050 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 03:47:19,050 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f878486c-d0a0-433c-9ba7-7ea3853b5c96/sv-benchmarks/c/float-newlib/float_req_bl_0910a.c [2019-11-20 03:47:19,058 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f878486c-d0a0-433c-9ba7-7ea3853b5c96/bin/uautomizer/data/974823685/4df7c926d8424aabbe618a9ac360a50b/FLAG982baadfa [2019-11-20 03:47:19,498 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f878486c-d0a0-433c-9ba7-7ea3853b5c96/bin/uautomizer/data/974823685/4df7c926d8424aabbe618a9ac360a50b [2019-11-20 03:47:19,501 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 03:47:19,505 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 03:47:19,506 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 03:47:19,506 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 03:47:19,510 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 03:47:19,510 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:47:19" (1/1) ... [2019-11-20 03:47:19,513 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e7c1757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:19, skipping insertion in model container [2019-11-20 03:47:19,517 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:47:19" (1/1) ... [2019-11-20 03:47:19,525 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 03:47:19,561 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 03:47:19,841 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:47:19,852 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 03:47:19,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:47:20,009 INFO L192 MainTranslator]: Completed translation [2019-11-20 03:47:20,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:20 WrapperNode [2019-11-20 03:47:20,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 03:47:20,010 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 03:47:20,010 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 03:47:20,010 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 03:47:20,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:20" (1/1) ... [2019-11-20 03:47:20,029 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:20" (1/1) ... [2019-11-20 03:47:20,069 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 03:47:20,074 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 03:47:20,074 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 03:47:20,074 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 03:47:20,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:20" (1/1) ... [2019-11-20 03:47:20,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:20" (1/1) ... [2019-11-20 03:47:20,088 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:20" (1/1) ... [2019-11-20 03:47:20,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:20" (1/1) ... [2019-11-20 03:47:20,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:20" (1/1) ... [2019-11-20 03:47:20,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:20" (1/1) ... [2019-11-20 03:47:20,109 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:20" (1/1) ... [2019-11-20 03:47:20,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 03:47:20,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 03:47:20,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 03:47:20,114 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 03:47:20,115 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f878486c-d0a0-433c-9ba7-7ea3853b5c96/bin/uautomizer/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 [2019-11-20 03:47:20,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-20 03:47:20,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 03:47:20,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 03:47:20,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-11-20 03:47:20,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 03:47:20,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-11-20 03:47:20,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-20 03:47:20,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 03:47:33,396 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 03:47:33,397 INFO L285 CfgBuilder]: Removed 16 assume(true) statements. [2019-11-20 03:47:33,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:47:33 BoogieIcfgContainer [2019-11-20 03:47:33,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 03:47:33,399 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 03:47:33,399 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 03:47:33,401 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 03:47:33,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 03:47:19" (1/3) ... [2019-11-20 03:47:33,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68ec69d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 03:47:33, skipping insertion in model container [2019-11-20 03:47:33,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:20" (2/3) ... [2019-11-20 03:47:33,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68ec69d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 03:47:33, skipping insertion in model container [2019-11-20 03:47:33,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:47:33" (3/3) ... [2019-11-20 03:47:33,405 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0910a.c [2019-11-20 03:47:33,415 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 03:47:33,422 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 03:47:33,434 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 03:47:33,457 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 03:47:33,458 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 03:47:33,458 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 03:47:33,458 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 03:47:33,459 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 03:47:33,459 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 03:47:33,459 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 03:47:33,459 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 03:47:33,474 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2019-11-20 03:47:33,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 03:47:33,481 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:47:33,482 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:47:33,482 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:47:33,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:47:33,488 INFO L82 PathProgramCache]: Analyzing trace with hash -179144357, now seen corresponding path program 1 times [2019-11-20 03:47:33,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 03:47:33,500 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [371111948] [2019-11-20 03:47:33,500 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f878486c-d0a0-433c-9ba7-7ea3853b5c96/bin/uautomizer/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 [2019-11-20 03:47:33,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:47:33,790 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-20 03:47:33,795 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:47:33,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:47:33,807 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 03:47:33,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:47:33,817 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [371111948] [2019-11-20 03:47:33,818 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:47:33,818 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-20 03:47:33,819 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526889506] [2019-11-20 03:47:33,825 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 03:47:33,825 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 03:47:33,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 03:47:33,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 03:47:33,842 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2019-11-20 03:47:33,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:47:33,865 INFO L93 Difference]: Finished difference Result 64 states and 102 transitions. [2019-11-20 03:47:33,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 03:47:33,866 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-20 03:47:33,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:47:33,885 INFO L225 Difference]: With dead ends: 64 [2019-11-20 03:47:33,885 INFO L226 Difference]: Without dead ends: 30 [2019-11-20 03:47:33,890 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 03:47:33,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-20 03:47:33,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-11-20 03:47:33,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-20 03:47:33,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2019-11-20 03:47:33,932 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 40 transitions. Word has length 11 [2019-11-20 03:47:33,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:47:33,932 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 40 transitions. [2019-11-20 03:47:33,932 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 03:47:33,932 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2019-11-20 03:47:33,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 03:47:33,933 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:47:33,933 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:47:34,134 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-20 03:47:34,134 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:47:34,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:47:34,135 INFO L82 PathProgramCache]: Analyzing trace with hash 574087680, now seen corresponding path program 1 times [2019-11-20 03:47:34,135 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 03:47:34,136 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [305787217] [2019-11-20 03:47:34,136 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f878486c-d0a0-433c-9ba7-7ea3853b5c96/bin/uautomizer/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 [2019-11-20 03:47:34,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:47:34,465 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-20 03:47:34,468 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:47:34,544 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 03:47:34,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:47:34,594 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 03:47:54,557 WARN L191 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2019-11-20 03:47:54,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:47:54,568 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [305787217] [2019-11-20 03:47:54,568 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:47:54,569 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 13 [2019-11-20 03:47:54,569 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133352711] [2019-11-20 03:47:54,571 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-20 03:47:54,571 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 03:47:54,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-20 03:47:54,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=149, Unknown=2, NotChecked=0, Total=182 [2019-11-20 03:47:54,574 INFO L87 Difference]: Start difference. First operand 30 states and 40 transitions. Second operand 14 states. [2019-11-20 03:48:08,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:48:08,954 INFO L93 Difference]: Finished difference Result 38 states and 47 transitions. [2019-11-20 03:48:08,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-20 03:48:08,973 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 13 [2019-11-20 03:48:08,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:48:08,974 INFO L225 Difference]: With dead ends: 38 [2019-11-20 03:48:08,974 INFO L226 Difference]: Without dead ends: 30 [2019-11-20 03:48:08,977 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 20.3s TimeCoverageRelationStatistics Valid=87, Invalid=253, Unknown=2, NotChecked=0, Total=342 [2019-11-20 03:48:08,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-20 03:48:08,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-11-20 03:48:08,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-20 03:48:08,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 39 transitions. [2019-11-20 03:48:08,982 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 39 transitions. Word has length 13 [2019-11-20 03:48:08,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:48:08,982 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 39 transitions. [2019-11-20 03:48:08,983 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-20 03:48:08,983 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2019-11-20 03:48:08,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 03:48:08,985 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:48:08,986 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:48:09,187 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-20 03:48:09,187 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:48:09,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:48:09,188 INFO L82 PathProgramCache]: Analyzing trace with hash -1681903329, now seen corresponding path program 1 times [2019-11-20 03:48:09,188 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 03:48:09,189 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [142130181] [2019-11-20 03:48:09,189 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f878486c-d0a0-433c-9ba7-7ea3853b5c96/bin/uautomizer/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 [2019-11-20 03:48:09,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:48:09,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 03:48:09,459 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:48:09,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:48:09,491 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 03:48:09,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:48:09,538 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [142130181] [2019-11-20 03:48:09,538 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:48:09,538 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-20 03:48:09,539 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577994423] [2019-11-20 03:48:09,539 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 03:48:09,539 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 03:48:09,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 03:48:09,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-20 03:48:09,540 INFO L87 Difference]: Start difference. First operand 30 states and 39 transitions. Second operand 6 states. [2019-11-20 03:48:09,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:48:09,560 INFO L93 Difference]: Finished difference Result 30 states and 39 transitions. [2019-11-20 03:48:09,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 03:48:09,561 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2019-11-20 03:48:09,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:48:09,561 INFO L225 Difference]: With dead ends: 30 [2019-11-20 03:48:09,561 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 03:48:09,562 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-20 03:48:09,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 03:48:09,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 03:48:09,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 03:48:09,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 03:48:09,563 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2019-11-20 03:48:09,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:48:09,563 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 03:48:09,563 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 03:48:09,563 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 03:48:09,563 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 03:48:09,763 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-20 03:48:09,767 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 03:48:09,923 INFO L440 ceAbstractionStarter]: At program point L35-2(lines 35 39) the Hoare annotation is: (and (= (_ +zero 8 24) ULTIMATE.start___ieee754_logf_~x) (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero_log~0) (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0)) ~two25_log~0)) [2019-11-20 03:48:09,923 INFO L444 ceAbstractionStarter]: For program point L35-3(lines 35 39) no Hoare annotation was computed. [2019-11-20 03:48:09,924 INFO L444 ceAbstractionStarter]: For program point L60-1(lines 60 64) no Hoare annotation was computed. [2019-11-20 03:48:09,924 INFO L440 ceAbstractionStarter]: At program point L60-2(lines 60 64) the Hoare annotation is: false [2019-11-20 03:48:09,924 INFO L444 ceAbstractionStarter]: For program point L60-3(lines 60 64) no Hoare annotation was computed. [2019-11-20 03:48:09,924 INFO L444 ceAbstractionStarter]: For program point L77(lines 77 82) no Hoare annotation was computed. [2019-11-20 03:48:09,924 INFO L444 ceAbstractionStarter]: For program point L44(lines 44 45) no Hoare annotation was computed. [2019-11-20 03:48:09,924 INFO L444 ceAbstractionStarter]: For program point L102(lines 102 105) no Hoare annotation was computed. [2019-11-20 03:48:09,924 INFO L444 ceAbstractionStarter]: For program point L69(lines 69 74) no Hoare annotation was computed. [2019-11-20 03:48:09,925 INFO L444 ceAbstractionStarter]: For program point L94(lines 94 106) no Hoare annotation was computed. [2019-11-20 03:48:09,925 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 03:48:09,925 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 03:48:09,925 INFO L444 ceAbstractionStarter]: For program point L119(lines 119 122) no Hoare annotation was computed. [2019-11-20 03:48:09,925 INFO L440 ceAbstractionStarter]: At program point L20(lines 12 21) the Hoare annotation is: (let ((.cse2 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0))) (.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)))) (let ((.cse1 (fp.div roundNearestTiesToEven (fp.neg .cse2) .cse0))) (and (= (bvadd (bvand (_ bv2147483647 32) ULTIMATE.start_isinf_float_~ix~0) (_ bv2155872256 32)) (_ bv0 32)) (= .cse0 ~zero_log~0) (= .cse1 ULTIMATE.start_isinf_float_~x) (= .cse2 ~two25_log~0) (= (bvadd |ULTIMATE.start_isinf_float_#res| (_ bv4294967295 32)) (_ bv0 32)) (= .cse1 |ULTIMATE.start___ieee754_logf_#res|)))) [2019-11-20 03:48:09,925 INFO L444 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2019-11-20 03:48:09,926 INFO L444 ceAbstractionStarter]: For program point L46(lines 46 47) no Hoare annotation was computed. [2019-11-20 03:48:09,926 INFO L444 ceAbstractionStarter]: For program point L96(lines 96 100) no Hoare annotation was computed. [2019-11-20 03:48:09,926 INFO L444 ceAbstractionStarter]: For program point L14-1(lines 14 18) no Hoare annotation was computed. [2019-11-20 03:48:09,926 INFO L440 ceAbstractionStarter]: At program point L14-2(lines 14 18) the Hoare annotation is: (let ((.cse2 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0))) (.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)))) (let ((.cse1 (fp.div roundNearestTiesToEven (fp.neg .cse2) .cse0))) (and (= .cse0 ~zero_log~0) (= .cse1 ULTIMATE.start_isinf_float_~x) (= .cse2 ~two25_log~0) (= .cse1 |ULTIMATE.start___ieee754_logf_#res|)))) [2019-11-20 03:48:09,926 INFO L444 ceAbstractionStarter]: For program point L14-3(lines 14 18) no Hoare annotation was computed. [2019-11-20 03:48:09,927 INFO L440 ceAbstractionStarter]: At program point L105(lines 31 107) the Hoare annotation is: (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0))) (.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)))) (and (= .cse0 ~zero_log~0) (= .cse1 ~two25_log~0) (= (fp.div roundNearestTiesToEven (fp.neg .cse1) .cse0) |ULTIMATE.start___ieee754_logf_#res|))) [2019-11-20 03:48:09,927 INFO L444 ceAbstractionStarter]: For program point L48(lines 48 56) no Hoare annotation was computed. [2019-11-20 03:48:09,927 INFO L444 ceAbstractionStarter]: For program point L48-1(lines 48 56) no Hoare annotation was computed. [2019-11-20 03:48:09,927 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 03:48:09,927 INFO L447 ceAbstractionStarter]: At program point L123(lines 109 124) the Hoare annotation is: true [2019-11-20 03:48:09,927 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 120) no Hoare annotation was computed. [2019-11-20 03:48:09,927 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 03:48:09,928 INFO L444 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2019-11-20 03:48:09,928 INFO L444 ceAbstractionStarter]: For program point L67(lines 67 83) no Hoare annotation was computed. [2019-11-20 03:48:09,931 INFO L444 ceAbstractionStarter]: For program point L51-1(lines 51 55) no Hoare annotation was computed. [2019-11-20 03:48:09,931 INFO L440 ceAbstractionStarter]: At program point L51-2(lines 51 55) the Hoare annotation is: false [2019-11-20 03:48:09,932 INFO L444 ceAbstractionStarter]: For program point L68(lines 68 75) no Hoare annotation was computed. [2019-11-20 03:48:09,932 INFO L444 ceAbstractionStarter]: For program point L35-1(lines 35 39) no Hoare annotation was computed. [2019-11-20 03:48:09,943 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,945 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,946 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,949 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,949 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,949 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,953 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,953 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,953 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,954 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,954 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,954 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,955 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,957 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,958 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,958 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,958 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,960 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,961 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,961 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,961 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,962 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,962 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,962 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,963 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,963 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,963 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,963 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,964 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,965 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,965 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,965 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,966 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,966 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,966 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,967 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,967 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,967 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,967 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,967 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,968 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,968 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,969 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,969 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,970 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,970 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,970 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,970 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,971 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,971 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,971 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,972 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,972 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,973 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,973 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,974 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,974 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,974 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,975 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,975 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,975 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,975 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,976 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,976 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:09,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 03:48:09 BoogieIcfgContainer [2019-11-20 03:48:09,979 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 03:48:09,980 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 03:48:09,980 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 03:48:09,980 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 03:48:09,981 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:47:33" (3/4) ... [2019-11-20 03:48:09,984 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 03:48:10,007 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2019-11-20 03:48:10,007 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-11-20 03:48:10,008 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 03:48:10,033 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero_log && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7)) == two25_log) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) == \result [2019-11-20 03:48:10,034 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero_log && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) == x) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7)) == two25_log) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) == \result [2019-11-20 03:48:10,035 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((~bvadd64(~bvand32(2147483647bv32, ix), 2155872256bv32) == 0bv32 && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero_log) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) == x) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7)) == two25_log) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) == \result [2019-11-20 03:48:10,087 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f878486c-d0a0-433c-9ba7-7ea3853b5c96/bin/uautomizer/witness.graphml [2019-11-20 03:48:10,087 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 03:48:10,088 INFO L168 Benchmark]: Toolchain (without parser) took 50584.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 959.1 MB in the beginning and 953.5 MB in the end (delta: 5.6 MB). Peak memory consumption was 145.1 MB. Max. memory is 11.5 GB. [2019-11-20 03:48:10,089 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:48:10,089 INFO L168 Benchmark]: CACSL2BoogieTranslator took 504.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -168.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-11-20 03:48:10,089 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:48:10,090 INFO L168 Benchmark]: Boogie Preprocessor took 39.77 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-20 03:48:10,090 INFO L168 Benchmark]: RCFGBuilder took 13284.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2019-11-20 03:48:10,091 INFO L168 Benchmark]: TraceAbstraction took 36580.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 960.0 MB in the end (delta: 134.9 MB). Peak memory consumption was 134.9 MB. Max. memory is 11.5 GB. [2019-11-20 03:48:10,091 INFO L168 Benchmark]: Witness Printer took 107.44 ms. Allocated memory is still 1.2 GB. Free memory was 960.0 MB in the beginning and 953.5 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-20 03:48:10,093 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 504.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -168.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 63.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.77 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 13284.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 36580.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 960.0 MB in the end (delta: 134.9 MB). Peak memory consumption was 134.9 MB. Max. memory is 11.5 GB. * Witness Printer took 107.44 ms. Allocated memory is still 1.2 GB. Free memory was 960.0 MB in the beginning and 953.5 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 120]: 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: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 35]: Loop Invariant [2019-11-20 03:48:10,100 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,100 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,100 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,101 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,101 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,101 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (~Pluszero~LONGDOUBLE() == x && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero_log) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7)) == two25_log - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 14]: Loop Invariant [2019-11-20 03:48:10,102 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,102 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,102 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,102 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,103 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,103 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,103 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,103 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,103 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,104 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,104 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,104 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,105 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,105 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,105 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,105 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,105 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,106 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,106 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,106 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,106 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,106 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero_log && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) == x) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7)) == two25_log) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) == \result - InvariantResult [Line: 31]: Loop Invariant [2019-11-20 03:48:10,107 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,107 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,107 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,108 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,108 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,108 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,108 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,109 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,109 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,109 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,109 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,110 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,110 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,110 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero_log && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7)) == two25_log) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) == \result - InvariantResult [Line: 12]: Loop Invariant [2019-11-20 03:48:10,111 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,111 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,111 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,111 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,112 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,112 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,112 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,112 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,112 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,113 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,113 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,113 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,114 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,114 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,114 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,114 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,114 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,115 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,115 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,115 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,115 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 03:48:10,115 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((~bvadd64(~bvand32(2147483647bv32, ix), 2155872256bv32) == 0bv32 && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero_log) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) == x) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7)) == two25_log) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) == \result - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 1 error locations. Result: SAFE, OverallTime: 36.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 14.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 77 SDtfs, 57 SDslu, 232 SDs, 0 SdLazy, 96 SolverSat, 5 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 13.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 76 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 20.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 12 NumberOfFragments, 135 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 20.2s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 70 ConstructedInterpolants, 8 QuantifiedInterpolants, 5032 SizeOfPredicates, 14 NumberOfNonLiveVariables, 140 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...