./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0831_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c532c5a3-673d-42d0-a9ca-9a3ed19235df/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c532c5a3-673d-42d0-a9ca-9a3ed19235df/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c532c5a3-673d-42d0-a9ca-9a3ed19235df/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c532c5a3-673d-42d0-a9ca-9a3ed19235df/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0831_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c532c5a3-673d-42d0-a9ca-9a3ed19235df/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c532c5a3-673d-42d0-a9ca-9a3ed19235df/bin-2019/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 14218179970cdda4c2f749c75b7f78aa74dcc86b .................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c532c5a3-673d-42d0-a9ca-9a3ed19235df/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c532c5a3-673d-42d0-a9ca-9a3ed19235df/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c532c5a3-673d-42d0-a9ca-9a3ed19235df/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c532c5a3-673d-42d0-a9ca-9a3ed19235df/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0831_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c532c5a3-673d-42d0-a9ca-9a3ed19235df/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c532c5a3-673d-42d0-a9ca-9a3ed19235df/bin-2019/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 14218179970cdda4c2f749c75b7f78aa74dcc86b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 09:47:20,275 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 09:47:20,276 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 09:47:20,282 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 09:47:20,282 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 09:47:20,282 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 09:47:20,283 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 09:47:20,284 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 09:47:20,285 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 09:47:20,285 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 09:47:20,285 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 09:47:20,286 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 09:47:20,286 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 09:47:20,286 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 09:47:20,287 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 09:47:20,287 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 09:47:20,288 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 09:47:20,289 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 09:47:20,290 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 09:47:20,290 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 09:47:20,291 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 09:47:20,292 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 09:47:20,293 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 09:47:20,293 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 09:47:20,293 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 09:47:20,293 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 09:47:20,294 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 09:47:20,294 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 09:47:20,295 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 09:47:20,295 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 09:47:20,295 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 09:47:20,296 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 09:47:20,296 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 09:47:20,296 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 09:47:20,297 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 09:47:20,297 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 09:47:20,297 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c532c5a3-673d-42d0-a9ca-9a3ed19235df/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-09 09:47:20,304 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 09:47:20,304 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 09:47:20,304 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 09:47:20,305 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 09:47:20,305 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 09:47:20,305 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 09:47:20,305 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 09:47:20,305 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 09:47:20,305 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 09:47:20,305 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 09:47:20,305 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 09:47:20,306 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 09:47:20,306 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 09:47:20,306 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 09:47:20,306 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 09:47:20,306 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 09:47:20,306 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 09:47:20,306 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 09:47:20,306 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 09:47:20,306 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 09:47:20,306 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 09:47:20,306 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 09:47:20,307 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 09:47:20,307 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 09:47:20,307 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 09:47:20,307 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 09:47:20,307 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 09:47:20,307 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 09:47:20,307 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 09:47:20,307 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 09:47:20,307 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_c532c5a3-673d-42d0-a9ca-9a3ed19235df/bin-2019/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 -> 14218179970cdda4c2f749c75b7f78aa74dcc86b [2018-12-09 09:47:20,324 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 09:47:20,331 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 09:47:20,333 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 09:47:20,334 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 09:47:20,334 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 09:47:20,334 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c532c5a3-673d-42d0-a9ca-9a3ed19235df/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0831_true-unreach-call.c [2018-12-09 09:47:20,369 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c532c5a3-673d-42d0-a9ca-9a3ed19235df/bin-2019/uautomizer/data/b9b477848/bd4b3ac83d154323a7dffe4c3fa6db09/FLAG3d3cd989a [2018-12-09 09:47:20,754 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 09:47:20,755 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c532c5a3-673d-42d0-a9ca-9a3ed19235df/sv-benchmarks/c/float-newlib/float_req_bl_0831_true-unreach-call.c [2018-12-09 09:47:20,759 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c532c5a3-673d-42d0-a9ca-9a3ed19235df/bin-2019/uautomizer/data/b9b477848/bd4b3ac83d154323a7dffe4c3fa6db09/FLAG3d3cd989a [2018-12-09 09:47:20,767 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c532c5a3-673d-42d0-a9ca-9a3ed19235df/bin-2019/uautomizer/data/b9b477848/bd4b3ac83d154323a7dffe4c3fa6db09 [2018-12-09 09:47:20,769 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 09:47:20,769 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 09:47:20,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 09:47:20,770 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 09:47:20,772 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 09:47:20,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:47:20" (1/1) ... [2018-12-09 09:47:20,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ed18be8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:47:20, skipping insertion in model container [2018-12-09 09:47:20,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:47:20" (1/1) ... [2018-12-09 09:47:20,778 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 09:47:20,789 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 09:47:20,891 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:47:20,894 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 09:47:20,915 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:47:20,956 INFO L195 MainTranslator]: Completed translation [2018-12-09 09:47:20,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:47:20 WrapperNode [2018-12-09 09:47:20,956 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 09:47:20,957 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 09:47:20,957 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 09:47:20,957 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 09:47:20,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:47:20" (1/1) ... [2018-12-09 09:47:20,968 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:47:20" (1/1) ... [2018-12-09 09:47:20,973 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 09:47:20,973 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 09:47:20,973 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 09:47:20,973 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 09:47:20,979 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:47:20" (1/1) ... [2018-12-09 09:47:20,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:47:20" (1/1) ... [2018-12-09 09:47:20,981 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:47:20" (1/1) ... [2018-12-09 09:47:20,981 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:47:20" (1/1) ... [2018-12-09 09:47:20,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:47:20" (1/1) ... [2018-12-09 09:47:20,992 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:47:20" (1/1) ... [2018-12-09 09:47:20,993 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:47:20" (1/1) ... [2018-12-09 09:47:20,994 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 09:47:20,994 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 09:47:20,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 09:47:20,994 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 09:47:20,995 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:47:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c532c5a3-673d-42d0-a9ca-9a3ed19235df/bin-2019/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 [2018-12-09 09:47:21,025 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_expf [2018-12-09 09:47:21,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_expf [2018-12-09 09:47:21,026 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 09:47:21,026 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 09:47:21,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 09:47:21,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-09 09:47:21,026 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-12-09 09:47:21,026 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-12-09 09:47:21,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 09:47:21,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 09:47:21,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-09 09:47:21,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 09:47:21,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 09:47:21,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 09:47:21,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 09:47:21,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2018-12-09 09:47:21,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 09:47:21,212 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 09:47:21,212 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-09 09:47:21,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:47:21 BoogieIcfgContainer [2018-12-09 09:47:21,213 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 09:47:21,213 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 09:47:21,213 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 09:47:21,215 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 09:47:21,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 09:47:20" (1/3) ... [2018-12-09 09:47:21,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b80b7f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:47:21, skipping insertion in model container [2018-12-09 09:47:21,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:47:20" (2/3) ... [2018-12-09 09:47:21,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b80b7f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:47:21, skipping insertion in model container [2018-12-09 09:47:21,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:47:21" (3/3) ... [2018-12-09 09:47:21,217 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0831_true-unreach-call.c [2018-12-09 09:47:21,223 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 09:47:21,228 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 09:47:21,237 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 09:47:21,255 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 09:47:21,255 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 09:47:21,255 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 09:47:21,255 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 09:47:21,255 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 09:47:21,255 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 09:47:21,255 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 09:47:21,256 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 09:47:21,256 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 09:47:21,266 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states. [2018-12-09 09:47:21,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 09:47:21,270 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:47:21,270 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:47:21,272 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:47:21,275 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:47:21,275 INFO L82 PathProgramCache]: Analyzing trace with hash -395357823, now seen corresponding path program 1 times [2018-12-09 09:47:21,276 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 09:47:21,276 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 09:47:21,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:47:21,305 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:47:21,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:47:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:47:21,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:47:21,367 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:47:21,368 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 09:47:21,370 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 09:47:21,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 09:47:21,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 09:47:21,378 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 2 states. [2018-12-09 09:47:21,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:47:21,391 INFO L93 Difference]: Finished difference Result 92 states and 134 transitions. [2018-12-09 09:47:21,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 09:47:21,392 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-12-09 09:47:21,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:47:21,398 INFO L225 Difference]: With dead ends: 92 [2018-12-09 09:47:21,398 INFO L226 Difference]: Without dead ends: 46 [2018-12-09 09:47:21,400 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 09:47:21,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-12-09 09:47:21,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2018-12-09 09:47:21,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-12-09 09:47:21,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 56 transitions. [2018-12-09 09:47:21,422 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 56 transitions. Word has length 21 [2018-12-09 09:47:21,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:47:21,422 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 56 transitions. [2018-12-09 09:47:21,423 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 09:47:21,423 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 56 transitions. [2018-12-09 09:47:21,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 09:47:21,423 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:47:21,423 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:47:21,423 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:47:21,424 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:47:21,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1661156566, now seen corresponding path program 1 times [2018-12-09 09:47:21,424 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 09:47:21,424 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 09:47:21,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:47:21,425 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:47:21,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:47:21,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:47:21,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:47:21,478 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 09:47:21,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 09:47:21 BoogieIcfgContainer [2018-12-09 09:47:21,502 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 09:47:21,502 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 09:47:21,502 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 09:47:21,502 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 09:47:21,503 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:47:21" (3/4) ... [2018-12-09 09:47:21,505 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 09:47:21,505 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 09:47:21,505 INFO L168 Benchmark]: Toolchain (without parser) took 736.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 959.8 MB in the beginning and 1.1 GB in the end (delta: -139.3 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. [2018-12-09 09:47:21,506 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:47:21,506 INFO L168 Benchmark]: CACSL2BoogieTranslator took 186.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 959.8 MB in the beginning and 1.2 GB in the end (delta: -208.3 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2018-12-09 09:47:21,507 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.04 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:47:21,507 INFO L168 Benchmark]: Boogie Preprocessor took 21.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-12-09 09:47:21,507 INFO L168 Benchmark]: RCFGBuilder took 218.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2018-12-09 09:47:21,508 INFO L168 Benchmark]: TraceAbstraction took 288.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 11.5 GB. [2018-12-09 09:47:21,508 INFO L168 Benchmark]: Witness Printer took 2.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:47:21,510 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 186.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 959.8 MB in the beginning and 1.2 GB in the end (delta: -208.3 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.04 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 218.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 288.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 11.5 GB. * Witness Printer took 2.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 121]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someUnaryDOUBLEoperation at line 19, overapproximation of bitwiseAnd at line 46, overapproximation of someBinaryArithmeticFLOAToperation at line 50. Possible FailurePath: [L15-L34] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; VAL [\old(halF_exp)=6442450967, \old(halF_exp)=6442450955, \old(huge_exp)=6442450950, \old(invln2_exp)=6442450951, \old(ln2HI_exp)=6442450945, \old(ln2HI_exp)=6442450959, \old(ln2LO_exp)=6442450961, \old(ln2LO_exp)=6442450966, \old(one_exp)=6442450968, \old(P1_exp)=6442450954, \old(P2_exp)=6442450957, \old(P3_exp)=6442450963, \old(P4_exp)=6442450965, \old(P5_exp)=6442450964, \old(twom100_exp)=6442450946, halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450958:0}, ln2LO_exp={6442450962:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L116] float x = 0.0f / 0.0f; VAL [halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450958:0}, ln2LO_exp={6442450962:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L117] CALL, EXPR __ieee754_expf(x) VAL [\old(x)=6442450952, halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450958:0}, ln2LO_exp={6442450962:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L37] float y, hi, lo, c, t; [L38] __int32_t k = 0, xsb, sx; [L39] __uint32_t hx; VAL [\old(x)=6442450952, halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={6442450958:0}, ln2LO_exp={6442450962:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450952] [L42] ieee_float_shape_type gf_u; [L43] gf_u.value = (x) [L44] EXPR gf_u.word [L44] (sx) = gf_u.word [L46] xsb = (sx >> 31) & 1 [L47] hx = sx & 0x7fffffff VAL [\old(x)=6442450952, halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={6442450958:0}, ln2LO_exp={6442450962:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, sx=-2147483648, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450952] [L49] COND TRUE ((hx) > 0x7f800000L) [L50] return x + x; VAL [\old(x)=6442450952, halF_exp={1:0}, huge_exp=1000000000000000000000000000000, hx=2139095041, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={6442450958:0}, ln2LO_exp={6442450962:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, sx=-2147483648, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450952] [L117] RET, EXPR __ieee754_expf(x) VAL [__ieee754_expf(x)=6442450949, halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450958:0}, ln2LO_exp={6442450962:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450952] [L117] float res = __ieee754_expf(x); [L120] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450949, halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450958:0}, ln2LO_exp={6442450962:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L13] return x != x; VAL [\old(x)=6442450949, \result=0, halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450958:0}, ln2LO_exp={6442450962:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450949] [L120] RET, EXPR isnan_float(res) VAL [halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, isnan_float(res)=0, ln2HI_exp={6442450958:0}, ln2LO_exp={6442450962:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, res=6442450949, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450952] [L120] COND TRUE !isnan_float(res) [L121] __VERIFIER_error() VAL [halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450958:0}, ln2LO_exp={6442450962:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, res=6442450949, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450952] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 50 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 60 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=50occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 400 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-09 09:47:22,821 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 09:47:22,822 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 09:47:22,828 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 09:47:22,828 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 09:47:22,829 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 09:47:22,829 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 09:47:22,830 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 09:47:22,831 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 09:47:22,831 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 09:47:22,832 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 09:47:22,832 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 09:47:22,832 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 09:47:22,833 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 09:47:22,833 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 09:47:22,833 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 09:47:22,834 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 09:47:22,835 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 09:47:22,836 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 09:47:22,836 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 09:47:22,837 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 09:47:22,837 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 09:47:22,838 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 09:47:22,839 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 09:47:22,839 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 09:47:22,839 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 09:47:22,840 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 09:47:22,840 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 09:47:22,840 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 09:47:22,841 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 09:47:22,841 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 09:47:22,841 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 09:47:22,841 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 09:47:22,841 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 09:47:22,842 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 09:47:22,842 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 09:47:22,842 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c532c5a3-673d-42d0-a9ca-9a3ed19235df/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-09 09:47:22,850 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 09:47:22,850 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 09:47:22,850 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 09:47:22,850 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 09:47:22,851 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 09:47:22,851 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 09:47:22,851 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 09:47:22,851 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 09:47:22,851 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 09:47:22,851 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 09:47:22,851 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 09:47:22,851 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 09:47:22,851 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 09:47:22,851 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 09:47:22,852 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 09:47:22,852 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 09:47:22,852 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 09:47:22,852 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 09:47:22,852 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 09:47:22,852 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 09:47:22,852 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 09:47:22,852 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 09:47:22,852 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 09:47:22,852 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 09:47:22,852 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 09:47:22,853 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 09:47:22,853 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 09:47:22,853 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 09:47:22,853 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-09 09:47:22,853 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 09:47:22,853 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 09:47:22,853 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 09:47:22,853 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_c532c5a3-673d-42d0-a9ca-9a3ed19235df/bin-2019/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 -> 14218179970cdda4c2f749c75b7f78aa74dcc86b [2018-12-09 09:47:22,872 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 09:47:22,881 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 09:47:22,884 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 09:47:22,885 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 09:47:22,885 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 09:47:22,886 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c532c5a3-673d-42d0-a9ca-9a3ed19235df/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0831_true-unreach-call.c [2018-12-09 09:47:22,932 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c532c5a3-673d-42d0-a9ca-9a3ed19235df/bin-2019/uautomizer/data/a8fd43f28/d2b3d501385246518be39151faf62e28/FLAG7f86770ac [2018-12-09 09:47:23,325 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 09:47:23,325 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c532c5a3-673d-42d0-a9ca-9a3ed19235df/sv-benchmarks/c/float-newlib/float_req_bl_0831_true-unreach-call.c [2018-12-09 09:47:23,329 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c532c5a3-673d-42d0-a9ca-9a3ed19235df/bin-2019/uautomizer/data/a8fd43f28/d2b3d501385246518be39151faf62e28/FLAG7f86770ac [2018-12-09 09:47:23,337 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c532c5a3-673d-42d0-a9ca-9a3ed19235df/bin-2019/uautomizer/data/a8fd43f28/d2b3d501385246518be39151faf62e28 [2018-12-09 09:47:23,339 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 09:47:23,340 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 09:47:23,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 09:47:23,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 09:47:23,343 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 09:47:23,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:47:23" (1/1) ... [2018-12-09 09:47:23,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b97ddff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:47:23, skipping insertion in model container [2018-12-09 09:47:23,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:47:23" (1/1) ... [2018-12-09 09:47:23,349 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 09:47:23,360 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 09:47:23,467 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:47:23,472 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 09:47:23,497 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:47:23,513 INFO L195 MainTranslator]: Completed translation [2018-12-09 09:47:23,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:47:23 WrapperNode [2018-12-09 09:47:23,514 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 09:47:23,514 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 09:47:23,514 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 09:47:23,514 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 09:47:23,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:47:23" (1/1) ... [2018-12-09 09:47:23,527 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:47:23" (1/1) ... [2018-12-09 09:47:23,531 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 09:47:23,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 09:47:23,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 09:47:23,532 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 09:47:23,566 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:47:23" (1/1) ... [2018-12-09 09:47:23,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:47:23" (1/1) ... [2018-12-09 09:47:23,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:47:23" (1/1) ... [2018-12-09 09:47:23,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:47:23" (1/1) ... [2018-12-09 09:47:23,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:47:23" (1/1) ... [2018-12-09 09:47:23,582 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:47:23" (1/1) ... [2018-12-09 09:47:23,583 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:47:23" (1/1) ... [2018-12-09 09:47:23,585 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 09:47:23,585 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 09:47:23,585 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 09:47:23,585 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 09:47:23,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:47:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c532c5a3-673d-42d0-a9ca-9a3ed19235df/bin-2019/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 [2018-12-09 09:47:23,615 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_expf [2018-12-09 09:47:23,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_expf [2018-12-09 09:47:23,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2018-12-09 09:47:23,615 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 09:47:23,615 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 09:47:23,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-09 09:47:23,615 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-12-09 09:47:23,615 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-12-09 09:47:23,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 09:47:23,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 09:47:23,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 09:47:23,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 09:47:23,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 09:47:23,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 09:47:23,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-09 09:47:23,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 09:47:23,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 09:47:23,720 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 09:47:32,234 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 09:47:32,255 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 09:47:32,326 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 09:47:32,337 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 09:47:32,338 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-09 09:47:32,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:47:32 BoogieIcfgContainer [2018-12-09 09:47:32,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 09:47:32,338 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 09:47:32,338 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 09:47:32,340 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 09:47:32,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 09:47:23" (1/3) ... [2018-12-09 09:47:32,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6968d114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:47:32, skipping insertion in model container [2018-12-09 09:47:32,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:47:23" (2/3) ... [2018-12-09 09:47:32,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6968d114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:47:32, skipping insertion in model container [2018-12-09 09:47:32,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:47:32" (3/3) ... [2018-12-09 09:47:32,342 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0831_true-unreach-call.c [2018-12-09 09:47:32,348 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 09:47:32,352 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 09:47:32,361 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 09:47:32,377 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 09:47:32,378 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 09:47:32,378 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 09:47:32,378 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 09:47:32,378 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 09:47:32,378 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 09:47:32,378 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 09:47:32,378 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 09:47:32,378 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 09:47:32,388 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2018-12-09 09:47:32,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 09:47:32,391 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:47:32,392 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:47:32,393 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:47:32,396 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:47:32,396 INFO L82 PathProgramCache]: Analyzing trace with hash -188565884, now seen corresponding path program 1 times [2018-12-09 09:47:32,399 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 09:47:32,399 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c532c5a3-673d-42d0-a9ca-9a3ed19235df/bin-2019/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 [2018-12-09 09:47:32,404 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:47:32,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:47:32,488 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:47:32,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:47:32,503 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 09:47:32,513 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:47:32,513 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 09:47:32,516 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 09:47:32,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 09:47:32,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 09:47:32,529 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2018-12-09 09:47:32,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:47:32,544 INFO L93 Difference]: Finished difference Result 90 states and 132 transitions. [2018-12-09 09:47:32,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 09:47:32,545 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2018-12-09 09:47:32,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:47:32,552 INFO L225 Difference]: With dead ends: 90 [2018-12-09 09:47:32,552 INFO L226 Difference]: Without dead ends: 45 [2018-12-09 09:47:32,554 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 09:47:32,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-12-09 09:47:32,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-12-09 09:47:32,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-12-09 09:47:32,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 55 transitions. [2018-12-09 09:47:32,578 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 55 transitions. Word has length 20 [2018-12-09 09:47:32,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:47:32,578 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 55 transitions. [2018-12-09 09:47:32,578 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 09:47:32,578 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2018-12-09 09:47:32,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 09:47:32,578 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:47:32,579 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:47:32,579 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:47:32,579 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:47:32,579 INFO L82 PathProgramCache]: Analyzing trace with hash -1821956169, now seen corresponding path program 1 times [2018-12-09 09:47:32,579 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 09:47:32,579 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c532c5a3-673d-42d0-a9ca-9a3ed19235df/bin-2019/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 [2018-12-09 09:47:32,583 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:47:32,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:47:32,657 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:47:33,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:47:33,072 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 09:47:33,082 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:47:33,082 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 09:47:33,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 09:47:33,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 09:47:33,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-09 09:47:33,084 INFO L87 Difference]: Start difference. First operand 45 states and 55 transitions. Second operand 9 states. [2018-12-09 09:47:33,394 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-12-09 09:47:42,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:47:42,790 INFO L93 Difference]: Finished difference Result 56 states and 66 transitions. [2018-12-09 09:47:42,790 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 09:47:42,790 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2018-12-09 09:47:42,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:47:42,792 INFO L225 Difference]: With dead ends: 56 [2018-12-09 09:47:42,792 INFO L226 Difference]: Without dead ends: 49 [2018-12-09 09:47:42,793 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-09 09:47:42,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-12-09 09:47:42,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 45. [2018-12-09 09:47:42,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-12-09 09:47:42,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 54 transitions. [2018-12-09 09:47:42,798 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 54 transitions. Word has length 21 [2018-12-09 09:47:42,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:47:42,799 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 54 transitions. [2018-12-09 09:47:42,799 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 09:47:42,799 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2018-12-09 09:47:42,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 09:47:42,799 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:47:42,799 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:47:42,799 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:47:42,800 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:47:42,800 INFO L82 PathProgramCache]: Analyzing trace with hash -87717581, now seen corresponding path program 1 times [2018-12-09 09:47:42,800 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 09:47:42,800 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c532c5a3-673d-42d0-a9ca-9a3ed19235df/bin-2019/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 [2018-12-09 09:47:42,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:47:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:47:42,903 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:47:43,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:47:43,016 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 09:47:43,025 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:47:43,025 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 09:47:43,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 09:47:43,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 09:47:43,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-12-09 09:47:43,026 INFO L87 Difference]: Start difference. First operand 45 states and 54 transitions. Second operand 9 states. [2018-12-09 09:47:51,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:47:51,020 INFO L93 Difference]: Finished difference Result 62 states and 70 transitions. [2018-12-09 09:47:51,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 09:47:51,082 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2018-12-09 09:47:51,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:47:51,083 INFO L225 Difference]: With dead ends: 62 [2018-12-09 09:47:51,083 INFO L226 Difference]: Without dead ends: 46 [2018-12-09 09:47:51,084 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2018-12-09 09:47:51,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-12-09 09:47:51,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43. [2018-12-09 09:47:51,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-12-09 09:47:51,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2018-12-09 09:47:51,089 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 23 [2018-12-09 09:47:51,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:47:51,089 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2018-12-09 09:47:51,090 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 09:47:51,090 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2018-12-09 09:47:51,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 09:47:51,090 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:47:51,091 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:47:51,091 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:47:51,091 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:47:51,091 INFO L82 PathProgramCache]: Analyzing trace with hash -1171257842, now seen corresponding path program 1 times [2018-12-09 09:47:51,091 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 09:47:51,092 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c532c5a3-673d-42d0-a9ca-9a3ed19235df/bin-2019/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-12-09 09:47:51,095 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:47:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:47:51,803 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:47:51,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:47:51,880 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 09:47:51,894 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:47:51,895 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 09:47:51,895 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 09:47:51,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 09:47:51,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 09:47:51,895 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand 7 states. [2018-12-09 09:48:00,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:48:00,668 INFO L93 Difference]: Finished difference Result 68 states and 73 transitions. [2018-12-09 09:48:00,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 09:48:00,726 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2018-12-09 09:48:00,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:48:00,726 INFO L225 Difference]: With dead ends: 68 [2018-12-09 09:48:00,726 INFO L226 Difference]: Without dead ends: 43 [2018-12-09 09:48:00,727 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-09 09:48:00,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-12-09 09:48:00,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2018-12-09 09:48:00,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-12-09 09:48:00,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 43 transitions. [2018-12-09 09:48:00,730 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 43 transitions. Word has length 28 [2018-12-09 09:48:00,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:48:00,730 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 43 transitions. [2018-12-09 09:48:00,730 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 09:48:00,730 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2018-12-09 09:48:00,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-09 09:48:00,731 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:48:00,731 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:48:00,731 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:48:00,731 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:48:00,731 INFO L82 PathProgramCache]: Analyzing trace with hash -1100699800, now seen corresponding path program 1 times [2018-12-09 09:48:00,731 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 09:48:00,731 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c532c5a3-673d-42d0-a9ca-9a3ed19235df/bin-2019/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-12-09 09:48:00,736 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:48:01,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:48:01,469 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:48:01,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:48:01,554 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 09:48:01,569 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:48:01,569 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 09:48:01,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 09:48:01,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 09:48:01,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 09:48:01,569 INFO L87 Difference]: Start difference. First operand 41 states and 43 transitions. Second operand 7 states. [2018-12-09 09:48:15,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:48:15,137 INFO L93 Difference]: Finished difference Result 65 states and 68 transitions. [2018-12-09 09:48:15,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 09:48:15,200 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 29 [2018-12-09 09:48:15,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:48:15,201 INFO L225 Difference]: With dead ends: 65 [2018-12-09 09:48:15,201 INFO L226 Difference]: Without dead ends: 41 [2018-12-09 09:48:15,201 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-09 09:48:15,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-12-09 09:48:15,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-12-09 09:48:15,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-12-09 09:48:15,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 42 transitions. [2018-12-09 09:48:15,204 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 42 transitions. Word has length 29 [2018-12-09 09:48:15,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:48:15,204 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 42 transitions. [2018-12-09 09:48:15,204 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 09:48:15,204 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2018-12-09 09:48:15,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-09 09:48:15,205 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:48:15,205 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:48:15,205 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:48:15,205 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:48:15,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1687505814, now seen corresponding path program 1 times [2018-12-09 09:48:15,206 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 09:48:15,206 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c532c5a3-673d-42d0-a9ca-9a3ed19235df/bin-2019/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-12-09 09:48:15,209 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:48:16,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:48:16,155 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:48:16,683 INFO L303 Elim1Store]: Index analysis took 502 ms [2018-12-09 09:48:16,686 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2018-12-09 09:48:16,875 INFO L303 Elim1Store]: Index analysis took 188 ms [2018-12-09 09:48:16,876 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2018-12-09 09:48:16,876 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 09:48:17,677 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 09:48:18,364 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-12-09 09:48:18,365 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:15 [2018-12-09 09:48:24,898 WARN L180 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 13 [2018-12-09 09:48:27,081 WARN L854 $PredicateComparison]: unable to prove that (exists ((__ieee754_expf_~t~0 (_ FloatingPoint 8 24)) (__ieee754_expf_~lo~0 (_ FloatingPoint 8 24)) (v_arrayElimCell_2 (_ BitVec 32))) (= (fp.sub roundNearestTiesToEven (fp.sub roundNearestTiesToEven |c___ieee754_expf_#in~x| (fp.mul roundNearestTiesToEven __ieee754_expf_~t~0 (fp ((_ extract 31 31) v_arrayElimCell_2) ((_ extract 30 23) v_arrayElimCell_2) ((_ extract 22 0) v_arrayElimCell_2)))) __ieee754_expf_~lo~0) c___ieee754_expf_~x)) is different from true [2018-12-09 09:48:29,156 WARN L832 $PredicateComparison]: unable to prove that (exists ((__ieee754_expf_~c~0 (_ FloatingPoint 8 24)) (__ieee754_expf_~t~0 (_ FloatingPoint 8 24)) (__ieee754_expf_~lo~0 (_ FloatingPoint 8 24)) (v_arrayElimCell_2 (_ BitVec 32))) (= (fp.sub roundNearestTiesToEven c_~one_exp~0 (let ((.cse0 (fp.sub roundNearestTiesToEven (fp.sub roundNearestTiesToEven |c___ieee754_expf_#in~x| (fp.mul roundNearestTiesToEven __ieee754_expf_~t~0 (fp ((_ extract 31 31) v_arrayElimCell_2) ((_ extract 30 23) v_arrayElimCell_2) ((_ extract 22 0) v_arrayElimCell_2)))) __ieee754_expf_~lo~0))) (fp.sub roundNearestTiesToEven (fp.div roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 __ieee754_expf_~c~0) (fp.sub roundNearestTiesToEven __ieee754_expf_~c~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 2.0)))) .cse0))) |c___ieee754_expf_#res|)) is different from false [2018-12-09 09:48:31,215 WARN L854 $PredicateComparison]: unable to prove that (exists ((__ieee754_expf_~c~0 (_ FloatingPoint 8 24)) (__ieee754_expf_~t~0 (_ FloatingPoint 8 24)) (__ieee754_expf_~lo~0 (_ FloatingPoint 8 24)) (v_arrayElimCell_2 (_ BitVec 32))) (= (fp.sub roundNearestTiesToEven c_~one_exp~0 (let ((.cse0 (fp.sub roundNearestTiesToEven (fp.sub roundNearestTiesToEven |c___ieee754_expf_#in~x| (fp.mul roundNearestTiesToEven __ieee754_expf_~t~0 (fp ((_ extract 31 31) v_arrayElimCell_2) ((_ extract 30 23) v_arrayElimCell_2) ((_ extract 22 0) v_arrayElimCell_2)))) __ieee754_expf_~lo~0))) (fp.sub roundNearestTiesToEven (fp.div roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 __ieee754_expf_~c~0) (fp.sub roundNearestTiesToEven __ieee754_expf_~c~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 2.0)))) .cse0))) |c___ieee754_expf_#res|)) is different from true [2018-12-09 09:48:33,998 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-12-09 09:48:38,589 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-12-09 09:48:44,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:48:44,281 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 09:48:44,298 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:48:44,298 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-12-09 09:48:44,298 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 09:48:44,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 09:48:44,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=52, Unknown=9, NotChecked=30, Total=110 [2018-12-09 09:48:44,299 INFO L87 Difference]: Start difference. First operand 41 states and 42 transitions. Second operand 11 states. [2018-12-09 09:49:19,114 WARN L180 SmtUtils]: Spent 8.11 s on a formula simplification that was a NOOP. DAG size: 19 [2018-12-09 09:49:35,565 WARN L180 SmtUtils]: Spent 852.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-12-09 09:49:41,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:49:41,779 INFO L93 Difference]: Finished difference Result 48 states and 49 transitions. [2018-12-09 09:49:41,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 09:49:41,779 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 29 [2018-12-09 09:49:41,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:49:41,780 INFO L225 Difference]: With dead ends: 48 [2018-12-09 09:49:41,780 INFO L226 Difference]: Without dead ends: 41 [2018-12-09 09:49:41,780 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 62.1s TimeCoverageRelationStatistics Valid=26, Invalid=76, Unknown=16, NotChecked=38, Total=156 [2018-12-09 09:49:41,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-12-09 09:49:41,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-12-09 09:49:41,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-12-09 09:49:41,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2018-12-09 09:49:41,782 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 41 transitions. Word has length 29 [2018-12-09 09:49:41,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:49:41,783 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 41 transitions. [2018-12-09 09:49:41,783 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 09:49:41,783 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2018-12-09 09:49:41,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-09 09:49:41,783 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:49:41,783 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:49:41,783 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:49:41,784 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:49:41,784 INFO L82 PathProgramCache]: Analyzing trace with hash 791879257, now seen corresponding path program 1 times [2018-12-09 09:49:41,784 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 09:49:41,784 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c532c5a3-673d-42d0-a9ca-9a3ed19235df/bin-2019/uautomizer/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-12-09 09:49:41,787 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:49:42,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:49:42,800 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:49:43,177 INFO L303 Elim1Store]: Index analysis took 363 ms [2018-12-09 09:49:43,177 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2018-12-09 09:49:43,382 INFO L303 Elim1Store]: Index analysis took 204 ms [2018-12-09 09:49:43,383 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 17 [2018-12-09 09:49:43,383 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 09:49:44,331 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 09:49:45,128 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 09:49:45,129 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:41, output treesize:17 [2018-12-09 09:49:47,770 WARN L854 $PredicateComparison]: unable to prove that (exists ((v_arrayElimCell_4 (_ BitVec 32))) (= c___ieee754_expf_~k~0 ((_ fp.to_sbv 32) roundTowardZero (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven c_~invln2_exp~0 |c___ieee754_expf_#in~x|) (fp ((_ extract 31 31) v_arrayElimCell_4) ((_ extract 30 23) v_arrayElimCell_4) ((_ extract 22 0) v_arrayElimCell_4)))))) is different from true [2018-12-09 09:49:54,184 WARN L180 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-12-09 09:49:54,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:49:54,198 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 09:49:54,216 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:49:54,216 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 09:49:54,216 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 09:49:54,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 09:49:54,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=12, Unknown=3, NotChecked=6, Total=30 [2018-12-09 09:49:54,217 INFO L87 Difference]: Start difference. First operand 41 states and 41 transitions. Second operand 6 states. [2018-12-09 09:50:26,969 WARN L180 SmtUtils]: Spent 4.35 s on a formula simplification that was a NOOP. DAG size: 21 [2018-12-09 09:50:30,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:50:30,132 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2018-12-09 09:50:30,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 09:50:30,155 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2018-12-09 09:50:30,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:50:30,156 INFO L225 Difference]: With dead ends: 41 [2018-12-09 09:50:30,156 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 09:50:30,156 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.1s TimeCoverageRelationStatistics Valid=13, Invalid=18, Unknown=3, NotChecked=8, Total=42 [2018-12-09 09:50:30,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 09:50:30,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 09:50:30,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 09:50:30,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 09:50:30,157 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2018-12-09 09:50:30,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:50:30,157 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 09:50:30,157 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 09:50:30,157 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 09:50:30,157 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 09:50:30,160 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 09:50:59,929 WARN L180 SmtUtils]: Spent 29.73 s on a formula simplification that was a NOOP. DAG size: 39 [2018-12-09 09:51:34,678 WARN L180 SmtUtils]: Spent 34.75 s on a formula simplification. DAG size of input: 49 DAG size of output: 26 [2018-12-09 09:52:05,481 WARN L180 SmtUtils]: Spent 30.78 s on a formula simplification that was a NOOP. DAG size: 39 [2018-12-09 09:52:05,483 INFO L448 ceAbstractionStarter]: For program point isnan_floatFINAL(line 13) no Hoare annotation was computed. [2018-12-09 09:52:05,483 INFO L451 ceAbstractionStarter]: At program point isnan_floatENTRY(line 13) the Hoare annotation is: true [2018-12-09 09:52:05,483 INFO L448 ceAbstractionStarter]: For program point isnan_floatEXIT(line 13) no Hoare annotation was computed. [2018-12-09 09:52:05,483 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-09 09:52:05,483 INFO L448 ceAbstractionStarter]: For program point L52-2(line 52) no Hoare annotation was computed. [2018-12-09 09:52:05,483 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 106) no Hoare annotation was computed. [2018-12-09 09:52:05,483 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 95 108) no Hoare annotation was computed. [2018-12-09 09:52:05,483 INFO L448 ceAbstractionStarter]: For program point L102-2(lines 102 106) no Hoare annotation was computed. [2018-12-09 09:52:05,484 INFO L448 ceAbstractionStarter]: For program point L53(lines 53 54) no Hoare annotation was computed. [2018-12-09 09:52:05,484 INFO L448 ceAbstractionStarter]: For program point L78(lines 78 81) no Hoare annotation was computed. [2018-12-09 09:52:05,484 INFO L448 ceAbstractionStarter]: For program point L70(lines 70 73) no Hoare annotation was computed. [2018-12-09 09:52:05,484 INFO L448 ceAbstractionStarter]: For program point L70-2(lines 58 73) no Hoare annotation was computed. [2018-12-09 09:52:05,484 INFO L448 ceAbstractionStarter]: For program point __ieee754_expfEXIT(lines 36 109) no Hoare annotation was computed. [2018-12-09 09:52:05,484 INFO L448 ceAbstractionStarter]: For program point L71(lines 71 72) no Hoare annotation was computed. [2018-12-09 09:52:05,484 INFO L451 ceAbstractionStarter]: At program point __ieee754_expfENTRY(lines 36 109) the Hoare annotation is: true [2018-12-09 09:52:05,484 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 56) no Hoare annotation was computed. [2018-12-09 09:52:05,484 INFO L448 ceAbstractionStarter]: For program point __ieee754_expfFINAL(lines 36 109) no Hoare annotation was computed. [2018-12-09 09:52:05,484 INFO L448 ceAbstractionStarter]: For program point L97-1(lines 97 101) no Hoare annotation was computed. [2018-12-09 09:52:05,485 INFO L444 ceAbstractionStarter]: At program point L97-2(lines 97 101) the Hoare annotation is: (or (and (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (= __ieee754_expf_~hx~0 (bvand (_ bv2147483647 32) __ieee754_expf_~sx~0)) (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|))) (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|) (bvult (bvand (_ bv2147483647 32) __ieee754_expf_~sx~0) (_ bv1065686418 32)))) (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|)) (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (not (bvugt (bvand (_ bv2147483647 32) __ieee754_expf_~sx~0) (_ bv1051816472 32))) (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|))) (exists ((v_arrayElimCell_4 (_ BitVec 32))) (not (= (_ bv0 32) ((_ fp.to_sbv 32) roundTowardZero (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven ~invln2_exp~0 |__ieee754_expf_#in~x|) (fp ((_ extract 31 31) v_arrayElimCell_4) ((_ extract 30 23) v_arrayElimCell_4) ((_ extract 22 0) v_arrayElimCell_4)))))))) [2018-12-09 09:52:05,485 INFO L448 ceAbstractionStarter]: For program point L89(lines 89 93) no Hoare annotation was computed. [2018-12-09 09:52:05,485 INFO L448 ceAbstractionStarter]: For program point L89-1(lines 82 95) no Hoare annotation was computed. [2018-12-09 09:52:05,485 INFO L448 ceAbstractionStarter]: For program point L89-2(lines 89 93) no Hoare annotation was computed. [2018-12-09 09:52:05,485 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 108) no Hoare annotation was computed. [2018-12-09 09:52:05,485 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 50) no Hoare annotation was computed. [2018-12-09 09:52:05,485 INFO L448 ceAbstractionStarter]: For program point L41-1(lines 41 45) no Hoare annotation was computed. [2018-12-09 09:52:05,485 INFO L444 ceAbstractionStarter]: At program point L41-2(lines 41 45) the Hoare annotation is: (= |__ieee754_expf_#in~x| __ieee754_expf_~x) [2018-12-09 09:52:05,485 INFO L448 ceAbstractionStarter]: For program point L41-3(lines 41 45) no Hoare annotation was computed. [2018-12-09 09:52:05,485 INFO L448 ceAbstractionStarter]: For program point L58(lines 58 73) no Hoare annotation was computed. [2018-12-09 09:52:05,485 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 68) no Hoare annotation was computed. [2018-12-09 09:52:05,486 INFO L448 ceAbstractionStarter]: For program point L59-2(lines 59 68) no Hoare annotation was computed. [2018-12-09 09:52:05,486 INFO L448 ceAbstractionStarter]: For program point L51(lines 51 52) no Hoare annotation was computed. [2018-12-09 09:52:05,486 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 84 88) no Hoare annotation was computed. [2018-12-09 09:52:05,486 INFO L444 ceAbstractionStarter]: At program point L84-2(lines 84 88) the Hoare annotation is: (or (and (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (= __ieee754_expf_~hx~0 (bvand (_ bv2147483647 32) __ieee754_expf_~sx~0)) (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|))) (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|) (bvult (bvand (_ bv2147483647 32) __ieee754_expf_~sx~0) (_ bv1065686418 32)))) (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|)) (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (not (bvugt (bvand (_ bv2147483647 32) __ieee754_expf_~sx~0) (_ bv1051816472 32))) (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|))) (exists ((v_arrayElimCell_4 (_ BitVec 32))) (not (= (_ bv0 32) ((_ fp.to_sbv 32) roundTowardZero (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven ~invln2_exp~0 |__ieee754_expf_#in~x|) (fp ((_ extract 31 31) v_arrayElimCell_4) ((_ extract 30 23) v_arrayElimCell_4) ((_ extract 22 0) v_arrayElimCell_4)))))))) [2018-12-09 09:52:05,486 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 09:52:05,486 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 09:52:05,486 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 09:52:05,486 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 09:52:05,486 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-09 09:52:05,487 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 09:52:05,487 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 09:52:05,487 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 111 126) the Hoare annotation is: true [2018-12-09 09:52:05,487 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 111 126) no Hoare annotation was computed. [2018-12-09 09:52:05,487 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-09 09:52:05,487 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 121) no Hoare annotation was computed. [2018-12-09 09:52:05,487 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 111 126) no Hoare annotation was computed. [2018-12-09 09:52:05,487 INFO L444 ceAbstractionStarter]: At program point L120(line 120) the Hoare annotation is: (let ((.cse1 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) (let ((.cse0 (= main_~x~0 .cse1))) (or (and (exists ((v_arrayElimCell_4 (_ BitVec 32))) (not (= (_ bv0 32) ((_ fp.to_sbv 32) roundTowardZero (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven ~invln2_exp~0 |__ieee754_expf_#in~x|) (fp ((_ extract 31 31) v_arrayElimCell_4) ((_ extract 30 23) v_arrayElimCell_4) ((_ extract 22 0) v_arrayElimCell_4))))))) .cse0) (and (= main_~res~0 (fp.add roundNearestTiesToEven .cse1 .cse1)) .cse0)))) [2018-12-09 09:52:05,487 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 120 123) no Hoare annotation was computed. [2018-12-09 09:52:05,487 INFO L444 ceAbstractionStarter]: At program point L117(line 117) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24))) [2018-12-09 09:52:05,488 INFO L448 ceAbstractionStarter]: For program point L117-1(line 117) no Hoare annotation was computed. [2018-12-09 09:52:05,493 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,494 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,494 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,494 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,494 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,495 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,495 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,495 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,495 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,495 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,495 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,496 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,498 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2018-12-09 09:52:05,498 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 09:52:05,499 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 09:52:05,499 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-12-09 09:52:05,499 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-12-09 09:52:05,499 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-12-09 09:52:05,502 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,502 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,503 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,503 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,503 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,503 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,503 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,503 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,504 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,504 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,504 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,504 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,504 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2018-12-09 09:52:05,504 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 09:52:05,504 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 09:52:05,505 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-12-09 09:52:05,505 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-12-09 09:52:05,505 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-12-09 09:52:05,506 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,506 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,506 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,506 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,507 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,507 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,507 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,507 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,507 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,507 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,507 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,508 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,508 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2018-12-09 09:52:05,508 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 09:52:05,508 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 09:52:05,508 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-12-09 09:52:05,508 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-12-09 09:52:05,508 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-12-09 09:52:05,509 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,509 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,509 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,509 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,510 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,510 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,510 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,510 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,510 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,510 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,510 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,511 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,511 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2018-12-09 09:52:05,511 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 09:52:05,511 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 09:52:05,511 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-12-09 09:52:05,511 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-12-09 09:52:05,511 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-12-09 09:52:05,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 09:52:05 BoogieIcfgContainer [2018-12-09 09:52:05,513 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 09:52:05,513 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 09:52:05,513 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 09:52:05,514 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 09:52:05,514 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:47:32" (3/4) ... [2018-12-09 09:52:05,516 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 09:52:05,520 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-12-09 09:52:05,520 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_expf [2018-12-09 09:52:05,520 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 09:52:05,520 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 09:52:05,524 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2018-12-09 09:52:05,524 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-12-09 09:52:05,524 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 09:52:05,524 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 09:52:05,524 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 09:52:05,539 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-09 09:52:05,540 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists __ieee754_expf_~sx~0 : bv32 :: hx == ~bvand32(2147483647bv32, __ieee754_expf_~sx~0) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) && (\exists __ieee754_expf_~sx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x) && ~bvult32(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 1065686418bv32))) && ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]) == \old(x)) || (\exists __ieee754_expf_~sx~0 : bv32 :: !~bvugt32(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 1051816472bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x))) || (\exists v_arrayElimCell_4 : bv32 :: !(0bv32 == ~convertFLOATToINT(~roundTowardZero, ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, invln2_exp, \old(x)), ~fp~LONGDOUBLE(v_arrayElimCell_4[31:31], v_arrayElimCell_4[30:23], v_arrayElimCell_4[22:0]))))) [2018-12-09 09:52:05,540 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists __ieee754_expf_~sx~0 : bv32 :: hx == ~bvand32(2147483647bv32, __ieee754_expf_~sx~0) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) && (\exists __ieee754_expf_~sx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x) && ~bvult32(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 1065686418bv32))) && ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]) == \old(x)) || (\exists __ieee754_expf_~sx~0 : bv32 :: !~bvugt32(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 1051816472bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x))) || (\exists v_arrayElimCell_4 : bv32 :: !(0bv32 == ~convertFLOATToINT(~roundTowardZero, ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, invln2_exp, \old(x)), ~fp~LONGDOUBLE(v_arrayElimCell_4[31:31], v_arrayElimCell_4[30:23], v_arrayElimCell_4[22:0]))))) [2018-12-09 09:52:05,553 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c532c5a3-673d-42d0-a9ca-9a3ed19235df/bin-2019/uautomizer/witness.graphml [2018-12-09 09:52:05,553 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 09:52:05,554 INFO L168 Benchmark]: Toolchain (without parser) took 282214.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -158.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:52:05,554 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:52:05,554 INFO L168 Benchmark]: CACSL2BoogieTranslator took 173.27 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-09 09:52:05,554 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.17 ms. Allocated memory is still 1.0 GB. Free memory is still 928.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:52:05,555 INFO L168 Benchmark]: Boogie Preprocessor took 53.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -206.6 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-12-09 09:52:05,555 INFO L168 Benchmark]: RCFGBuilder took 8753.07 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: 39.2 MB). Peak memory consumption was 39.2 MB. Max. memory is 11.5 GB. [2018-12-09 09:52:05,555 INFO L168 Benchmark]: TraceAbstraction took 273174.64 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -2.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -13.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:52:05,555 INFO L168 Benchmark]: Witness Printer took 39.83 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: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 11.5 GB. [2018-12-09 09:52:05,556 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 173.27 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.17 ms. Allocated memory is still 1.0 GB. Free memory is still 928.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -206.6 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 8753.07 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: 39.2 MB). Peak memory consumption was 39.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 273174.64 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -2.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -13.2 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 39.83 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: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 121]: 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: 97]: Loop Invariant [2018-12-09 09:52:05,559 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,559 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,559 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,560 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,560 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,560 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,560 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,560 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,560 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,560 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,560 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,560 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,560 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2018-12-09 09:52:05,560 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 09:52:05,560 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 09:52:05,560 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-12-09 09:52:05,560 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-12-09 09:52:05,561 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-12-09 09:52:05,561 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,561 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,561 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,561 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,561 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,561 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,561 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,561 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,562 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,562 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,562 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,562 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,562 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2018-12-09 09:52:05,562 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 09:52:05,562 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 09:52:05,562 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-12-09 09:52:05,562 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-12-09 09:52:05,562 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] Derived loop invariant: ((((\exists __ieee754_expf_~sx~0 : bv32 :: hx == ~bvand32(2147483647bv32, __ieee754_expf_~sx~0) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) && (\exists __ieee754_expf_~sx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x) && ~bvult32(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 1065686418bv32))) && ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]) == \old(x)) || (\exists __ieee754_expf_~sx~0 : bv32 :: !~bvugt32(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 1051816472bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x))) || (\exists v_arrayElimCell_4 : bv32 :: !(0bv32 == ~convertFLOATToINT(~roundTowardZero, ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, invln2_exp, \old(x)), ~fp~LONGDOUBLE(v_arrayElimCell_4[31:31], v_arrayElimCell_4[30:23], v_arrayElimCell_4[22:0]))))) - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 84]: Loop Invariant [2018-12-09 09:52:05,563 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,563 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,563 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,563 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,563 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,563 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,563 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,563 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,563 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,563 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,564 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,564 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,564 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2018-12-09 09:52:05,564 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 09:52:05,564 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 09:52:05,564 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-12-09 09:52:05,564 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-12-09 09:52:05,564 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-12-09 09:52:05,564 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,564 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,564 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,565 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,565 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,565 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,565 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,565 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,565 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,565 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,565 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,565 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-09 09:52:05,565 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2018-12-09 09:52:05,565 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 09:52:05,565 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 09:52:05,565 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-12-09 09:52:05,566 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-12-09 09:52:05,566 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] Derived loop invariant: ((((\exists __ieee754_expf_~sx~0 : bv32 :: hx == ~bvand32(2147483647bv32, __ieee754_expf_~sx~0) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) && (\exists __ieee754_expf_~sx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x) && ~bvult32(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 1065686418bv32))) && ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]) == \old(x)) || (\exists __ieee754_expf_~sx~0 : bv32 :: !~bvugt32(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 1051816472bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x))) || (\exists v_arrayElimCell_4 : bv32 :: !(0bv32 == ~convertFLOATToINT(~roundTowardZero, ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, invln2_exp, \old(x)), ~fp~LONGDOUBLE(v_arrayElimCell_4[31:31], v_arrayElimCell_4[30:23], v_arrayElimCell_4[22:0]))))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 49 locations, 1 error locations. SAFE Result, 273.1s OverallTime, 7 OverallIterations, 1 TraceHistogramMax, 133.6s AutomataDifference, 0.0s DeadEndRemovalTime, 95.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 277 SDtfs, 233 SDslu, 1032 SDs, 0 SdLazy, 279 SolverSat, 7 SolverUnsat, 33 SolverUnknown, 0 SolverNotchecked, 85.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 199 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 77.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 9 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 17 PreInvPairs, 27 NumberOfFragments, 219 HoareAnnotationTreeSize, 17 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 66 FormulaSimplificationTreeSizeReductionInter, 95.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 3.3s SatisfiabilityAnalysisTime, 40.5s InterpolantComputationTime, 185 NumberOfCodeBlocks, 185 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 178 ConstructedInterpolants, 41 QuantifiedInterpolants, 36040 SizeOfPredicates, 33 NumberOfNonLiveVariables, 898 ConjunctsInSsa, 56 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...