./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0833_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a1be7933-169a-428b-90ee-0bcde6f24669/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a1be7933-169a-428b-90ee-0bcde6f24669/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a1be7933-169a-428b-90ee-0bcde6f24669/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a1be7933-169a-428b-90ee-0bcde6f24669/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0833_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a1be7933-169a-428b-90ee-0bcde6f24669/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a1be7933-169a-428b-90ee-0bcde6f24669/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 03f3c06db3ef41593c24334f9583c5e77016ee88 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_a1be7933-169a-428b-90ee-0bcde6f24669/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a1be7933-169a-428b-90ee-0bcde6f24669/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a1be7933-169a-428b-90ee-0bcde6f24669/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a1be7933-169a-428b-90ee-0bcde6f24669/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0833_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a1be7933-169a-428b-90ee-0bcde6f24669/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a1be7933-169a-428b-90ee-0bcde6f24669/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 03f3c06db3ef41593c24334f9583c5e77016ee88 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 13:59:54,490 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:59:54,492 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:59:54,497 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:59:54,498 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:59:54,498 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:59:54,499 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:59:54,500 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:59:54,500 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:59:54,501 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:59:54,501 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:59:54,501 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:59:54,502 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:59:54,502 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:59:54,503 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:59:54,503 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:59:54,504 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:59:54,504 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:59:54,505 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:59:54,506 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:59:54,507 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:59:54,507 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:59:54,509 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:59:54,509 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:59:54,509 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:59:54,510 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:59:54,511 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:59:54,511 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:59:54,512 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:59:54,513 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:59:54,513 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:59:54,513 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:59:54,513 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:59:54,514 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:59:54,514 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:59:54,515 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:59:54,515 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a1be7933-169a-428b-90ee-0bcde6f24669/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 13:59:54,525 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:59:54,526 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:59:54,526 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:59:54,526 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 13:59:54,526 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 13:59:54,526 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 13:59:54,527 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 13:59:54,527 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 13:59:54,527 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 13:59:54,527 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 13:59:54,527 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 13:59:54,527 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 13:59:54,527 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 13:59:54,527 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:59:54,528 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 13:59:54,528 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 13:59:54,528 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 13:59:54,528 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:59:54,528 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 13:59:54,528 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:59:54,528 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 13:59:54,529 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 13:59:54,529 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:59:54,529 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:59:54,529 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 13:59:54,529 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:59:54,529 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 13:59:54,529 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:59:54,529 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 13:59:54,529 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:59:54,530 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:59:54,530 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:59:54,530 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 13:59:54,530 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 13:59:54,530 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:59:54,530 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 13:59:54,530 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 13:59:54,530 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_a1be7933-169a-428b-90ee-0bcde6f24669/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03f3c06db3ef41593c24334f9583c5e77016ee88 [2018-11-23 13:59:54,553 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:59:54,561 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:59:54,563 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:59:54,564 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:59:54,564 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:59:54,565 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a1be7933-169a-428b-90ee-0bcde6f24669/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0833_true-unreach-call.c [2018-11-23 13:59:54,600 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a1be7933-169a-428b-90ee-0bcde6f24669/bin-2019/utaipan/data/88e3fef28/2eb9c2ae50454ef7959fbfc305486346/FLAG6744e4154 [2018-11-23 13:59:55,023 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:59:55,024 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a1be7933-169a-428b-90ee-0bcde6f24669/sv-benchmarks/c/float-newlib/float_req_bl_0833_true-unreach-call.c [2018-11-23 13:59:55,029 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a1be7933-169a-428b-90ee-0bcde6f24669/bin-2019/utaipan/data/88e3fef28/2eb9c2ae50454ef7959fbfc305486346/FLAG6744e4154 [2018-11-23 13:59:55,040 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a1be7933-169a-428b-90ee-0bcde6f24669/bin-2019/utaipan/data/88e3fef28/2eb9c2ae50454ef7959fbfc305486346 [2018-11-23 13:59:55,043 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:59:55,044 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:59:55,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:59:55,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:59:55,048 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:59:55,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:59:55" (1/1) ... [2018-11-23 13:59:55,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@468ecb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:55, skipping insertion in model container [2018-11-23 13:59:55,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:59:55" (1/1) ... [2018-11-23 13:59:55,059 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:59:55,078 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:59:55,201 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:59:55,204 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:59:55,231 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:59:55,283 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:59:55,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:55 WrapperNode [2018-11-23 13:59:55,284 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:59:55,284 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:59:55,284 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:59:55,284 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:59:55,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:55" (1/1) ... [2018-11-23 13:59:55,296 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:55" (1/1) ... [2018-11-23 13:59:55,300 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:59:55,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:59:55,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:59:55,300 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:59:55,306 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:55" (1/1) ... [2018-11-23 13:59:55,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:55" (1/1) ... [2018-11-23 13:59:55,308 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:55" (1/1) ... [2018-11-23 13:59:55,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:55" (1/1) ... [2018-11-23 13:59:55,316 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:55" (1/1) ... [2018-11-23 13:59:55,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:55" (1/1) ... [2018-11-23 13:59:55,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:55" (1/1) ... [2018-11-23 13:59:55,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:59:55,326 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:59:55,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:59:55,326 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:59:55,327 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a1be7933-169a-428b-90ee-0bcde6f24669/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:59:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_expf [2018-11-23 13:59:55,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_expf [2018-11-23 13:59:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 13:59:55,357 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 13:59:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 13:59:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-23 13:59:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 13:59:55,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 13:59:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-23 13:59:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 13:59:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:59:55,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:59:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 13:59:55,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2018-11-23 13:59:55,359 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-11-23 13:59:55,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-11-23 13:59:55,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 13:59:55,618 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:59:55,618 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-11-23 13:59:55,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:59:55 BoogieIcfgContainer [2018-11-23 13:59:55,618 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:59:55,619 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 13:59:55,619 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 13:59:55,621 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 13:59:55,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:59:55" (1/3) ... [2018-11-23 13:59:55,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73864ca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:59:55, skipping insertion in model container [2018-11-23 13:59:55,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:55" (2/3) ... [2018-11-23 13:59:55,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73864ca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:59:55, skipping insertion in model container [2018-11-23 13:59:55,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:59:55" (3/3) ... [2018-11-23 13:59:55,623 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0833_true-unreach-call.c [2018-11-23 13:59:55,629 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 13:59:55,634 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 13:59:55,643 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 13:59:55,665 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 13:59:55,665 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 13:59:55,665 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 13:59:55,665 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 13:59:55,665 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 13:59:55,665 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 13:59:55,665 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 13:59:55,665 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 13:59:55,677 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states. [2018-11-23 13:59:55,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 13:59:55,682 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:59:55,682 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:59:55,684 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:59:55,687 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:59:55,687 INFO L82 PathProgramCache]: Analyzing trace with hash -282242941, now seen corresponding path program 1 times [2018-11-23 13:59:55,689 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:59:55,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:59:55,717 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:59:55,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:59:55,718 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:59:55,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:59:55,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:59:55,795 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:59:55,795 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 13:59:55,795 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:59:55,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 13:59:55,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 13:59:55,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 13:59:55,807 INFO L87 Difference]: Start difference. First operand 54 states. Second operand 2 states. [2018-11-23 13:59:55,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:59:55,824 INFO L93 Difference]: Finished difference Result 100 states and 149 transitions. [2018-11-23 13:59:55,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 13:59:55,825 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-11-23 13:59:55,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:59:55,831 INFO L225 Difference]: With dead ends: 100 [2018-11-23 13:59:55,831 INFO L226 Difference]: Without dead ends: 50 [2018-11-23 13:59:55,833 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 [2018-11-23 13:59:55,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-11-23 13:59:55,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-11-23 13:59:55,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-11-23 13:59:55,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 61 transitions. [2018-11-23 13:59:55,857 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 61 transitions. Word has length 17 [2018-11-23 13:59:55,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:59:55,857 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 61 transitions. [2018-11-23 13:59:55,857 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 13:59:55,858 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 61 transitions. [2018-11-23 13:59:55,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 13:59:55,858 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:59:55,859 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:59:55,859 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:59:55,859 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:59:55,859 INFO L82 PathProgramCache]: Analyzing trace with hash 947168922, now seen corresponding path program 1 times [2018-11-23 13:59:55,859 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:59:55,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:59:55,860 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:59:55,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:59:55,861 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:59:55,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:59:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:59:55,931 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); VAL [|#NULL.base|=29, |#NULL.offset|=24, |old(#NULL.base)|=29, |old(#NULL.offset)|=24, |old(~#halF_exp~0.base)|=15, |old(~#halF_exp~0.offset)|=33, |old(~#ln2HI_exp~0.base)|=31, |old(~#ln2HI_exp~0.offset)|=9, |old(~#ln2LO_exp~0.base)|=18, |old(~#ln2LO_exp~0.offset)|=32, |old(~huge_exp~0)|=26.0, |old(~invln2_exp~0)|=11.0, |old(~one_exp~0)|=23.0, |old(~P1_exp~0)|=14.0, |old(~P2_exp~0)|=16.0, |old(~P3_exp~0)|=20.0, |old(~P4_exp~0)|=22.0, |old(~P5_exp~0)|=21.0, |old(~twom100_exp~0)|=10.0, |~#halF_exp~0.base|=15, |~#halF_exp~0.offset|=33, |~#ln2HI_exp~0.base|=31, |~#ln2HI_exp~0.offset|=9, |~#ln2LO_exp~0.base|=18, |~#ln2LO_exp~0.offset|=32, ~huge_exp~0=26.0, ~invln2_exp~0=11.0, ~one_exp~0=23.0, ~P1_exp~0=14.0, ~P2_exp~0=16.0, ~P3_exp~0=20.0, ~P4_exp~0=22.0, ~P5_exp~0=21.0, ~twom100_exp~0=10.0] [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~one_exp~0 := 1.0;call ~#halF_exp~0.base, ~#halF_exp~0.offset := #Ultimate.alloc(8);call write~init~real(0.5, ~#halF_exp~0.base, ~#halF_exp~0.offset, 4);call write~init~real(~someUnaryDOUBLEoperation(0.5), ~#halF_exp~0.base, 4 + ~#halF_exp~0.offset, 4);~huge_exp~0 := 1.0E30;~twom100_exp~0 := 7.8886090522E-31;call ~#ln2HI_exp~0.base, ~#ln2HI_exp~0.offset := #Ultimate.alloc(8);call write~init~real(0.69313812256, ~#ln2HI_exp~0.base, ~#ln2HI_exp~0.offset, 4);call write~init~real(~someUnaryDOUBLEoperation(0.69313812256), ~#ln2HI_exp~0.base, 4 + ~#ln2HI_exp~0.offset, 4);call ~#ln2LO_exp~0.base, ~#ln2LO_exp~0.offset := #Ultimate.alloc(8);call write~init~real(9.0580006145E-6, ~#ln2LO_exp~0.base, ~#ln2LO_exp~0.offset, 4);call write~init~real(~someUnaryDOUBLEoperation(9.0580006145E-6), ~#ln2LO_exp~0.base, 4 + ~#ln2LO_exp~0.offset, 4);~invln2_exp~0 := 1.4426950216;~P1_exp~0 := 0.16666667163;~P2_exp~0 := ~someUnaryDOUBLEoperation(0.002777777845);~P3_exp~0 := 6.613755977E-5;~P4_exp~0 := ~someUnaryDOUBLEoperation(1.6533901999E-6);~P5_exp~0 := 4.1381369442E-8; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=29, |old(#NULL.offset)|=24, |old(~#halF_exp~0.base)|=15, |old(~#halF_exp~0.offset)|=33, |old(~#ln2HI_exp~0.base)|=31, |old(~#ln2HI_exp~0.offset)|=9, |old(~#ln2LO_exp~0.base)|=18, |old(~#ln2LO_exp~0.offset)|=32, |old(~huge_exp~0)|=26.0, |old(~invln2_exp~0)|=11.0, |old(~one_exp~0)|=23.0, |old(~P1_exp~0)|=14.0, |old(~P2_exp~0)|=16.0, |old(~P3_exp~0)|=20.0, |old(~P4_exp~0)|=22.0, |old(~P5_exp~0)|=21.0, |old(~twom100_exp~0)|=10.0, |~#halF_exp~0.base|=13, |~#halF_exp~0.offset|=0, |~#ln2HI_exp~0.base|=30, |~#ln2HI_exp~0.offset|=0, |~#ln2LO_exp~0.base|=19, |~#ln2LO_exp~0.offset|=0, ~huge_exp~0=1000000000000000000000000000000.0, ~invln2_exp~0=(/ 1803368777.0 1250000000.0), ~one_exp~0=1.0, ~P1_exp~0=(/ 16666667163.0 100000000000.0), ~P3_exp~0=(/ 6613755977.0 100000000000000.0), ~P5_exp~0=(/ 20690684721.0 500000000000000000.0), ~twom100_exp~0=(/ 39443045261.0 50000000000000000000000000000000000000000.0)] [?] assume true; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=29, |old(#NULL.offset)|=24, |old(~#halF_exp~0.base)|=15, |old(~#halF_exp~0.offset)|=33, |old(~#ln2HI_exp~0.base)|=31, |old(~#ln2HI_exp~0.offset)|=9, |old(~#ln2LO_exp~0.base)|=18, |old(~#ln2LO_exp~0.offset)|=32, |old(~huge_exp~0)|=26.0, |old(~invln2_exp~0)|=11.0, |old(~one_exp~0)|=23.0, |old(~P1_exp~0)|=14.0, |old(~P2_exp~0)|=16.0, |old(~P3_exp~0)|=20.0, |old(~P4_exp~0)|=22.0, |old(~P5_exp~0)|=21.0, |old(~twom100_exp~0)|=10.0, |~#halF_exp~0.base|=13, |~#halF_exp~0.offset|=0, |~#ln2HI_exp~0.base|=30, |~#ln2HI_exp~0.offset|=0, |~#ln2LO_exp~0.base|=19, |~#ln2LO_exp~0.offset|=0, ~huge_exp~0=1000000000000000000000000000000.0, ~invln2_exp~0=(/ 1803368777.0 1250000000.0), ~one_exp~0=1.0, ~P1_exp~0=(/ 16666667163.0 100000000000.0), ~P3_exp~0=(/ 6613755977.0 100000000000000.0), ~P5_exp~0=(/ 20690684721.0 500000000000000000.0), ~twom100_exp~0=(/ 39443045261.0 50000000000000000000000000000000000000000.0)] [?] RET #156#return; VAL [|#NULL.base|=0, |#NULL.offset|=0, |~#halF_exp~0.base|=13, |~#halF_exp~0.offset|=0, |~#ln2HI_exp~0.base|=30, |~#ln2HI_exp~0.offset|=0, |~#ln2LO_exp~0.base|=19, |~#ln2LO_exp~0.offset|=0, ~huge_exp~0=1000000000000000000000000000000.0, ~invln2_exp~0=(/ 1803368777.0 1250000000.0), ~one_exp~0=1.0, ~P1_exp~0=(/ 16666667163.0 100000000000.0), ~P3_exp~0=(/ 6613755977.0 100000000000000.0), ~P5_exp~0=(/ 20690684721.0 500000000000000000.0), ~twom100_exp~0=(/ 39443045261.0 50000000000000000000000000000000000000000.0)] [?] CALL call #t~ret21 := main(); VAL [|#NULL.base|=0, |#NULL.offset|=0, |~#halF_exp~0.base|=13, |~#halF_exp~0.offset|=0, |~#ln2HI_exp~0.base|=30, |~#ln2HI_exp~0.offset|=0, |~#ln2LO_exp~0.base|=19, |~#ln2LO_exp~0.offset|=0, ~huge_exp~0=1000000000000000000000000000000.0, ~invln2_exp~0=(/ 1803368777.0 1250000000.0), ~one_exp~0=1.0, ~P1_exp~0=(/ 16666667163.0 100000000000.0), ~P3_exp~0=(/ 6613755977.0 100000000000000.0), ~P5_exp~0=(/ 20690684721.0 500000000000000000.0), ~twom100_exp~0=(/ 39443045261.0 50000000000000000000000000000000000000000.0)] [?] ~x~0 := ~someBinaryArithmeticFLOAToperation(~someUnaryFLOAToperation(1.0), 0.0); VAL [|#NULL.base|=0, |#NULL.offset|=0, |~#halF_exp~0.base|=13, |~#halF_exp~0.offset|=0, |~#ln2HI_exp~0.base|=30, |~#ln2HI_exp~0.offset|=0, |~#ln2LO_exp~0.base|=19, |~#ln2LO_exp~0.offset|=0, ~huge_exp~0=1000000000000000000000000000000.0, ~invln2_exp~0=(/ 1803368777.0 1250000000.0), ~one_exp~0=1.0, ~P1_exp~0=(/ 16666667163.0 100000000000.0), ~P3_exp~0=(/ 6613755977.0 100000000000000.0), ~P5_exp~0=(/ 20690684721.0 500000000000000000.0), ~twom100_exp~0=(/ 39443045261.0 50000000000000000000000000000000000000000.0)] [?] CALL call #t~ret18 := __ieee754_expf(~x~0); VAL [|#NULL.base|=0, |#NULL.offset|=0, |__ieee754_expf_#in~x|=28.0, |~#halF_exp~0.base|=13, |~#halF_exp~0.offset|=0, |~#ln2HI_exp~0.base|=30, |~#ln2HI_exp~0.offset|=0, |~#ln2LO_exp~0.base|=19, |~#ln2LO_exp~0.offset|=0, ~huge_exp~0=1000000000000000000000000000000.0, ~invln2_exp~0=(/ 1803368777.0 1250000000.0), ~one_exp~0=1.0, ~P1_exp~0=(/ 16666667163.0 100000000000.0), ~P3_exp~0=(/ 6613755977.0 100000000000000.0), ~P5_exp~0=(/ 20690684721.0 500000000000000000.0), ~twom100_exp~0=(/ 39443045261.0 50000000000000000000000000000000000000000.0)] [?] ~x := #in~x;havoc ~y~0;havoc ~hi~0;havoc ~lo~0;havoc ~c~0;havoc ~t~0;~k~0 := 0;havoc ~xsb~0;havoc ~sx~0;havoc ~hx~0; VAL [__ieee754_expf_~k~0=0, __ieee754_expf_~x=28.0, |#NULL.base|=0, |#NULL.offset|=0, |__ieee754_expf_#in~x|=28.0, |~#halF_exp~0.base|=13, |~#halF_exp~0.offset|=0, |~#ln2HI_exp~0.base|=30, |~#ln2HI_exp~0.offset|=0, |~#ln2LO_exp~0.base|=19, |~#ln2LO_exp~0.offset|=0, ~huge_exp~0=1000000000000000000000000000000.0, ~invln2_exp~0=(/ 1803368777.0 1250000000.0), ~one_exp~0=1.0, ~P1_exp~0=(/ 16666667163.0 100000000000.0), ~P3_exp~0=(/ 6613755977.0 100000000000000.0), ~P5_exp~0=(/ 20690684721.0 500000000000000000.0), ~twom100_exp~0=(/ 39443045261.0 50000000000000000000000000000000000000000.0)] [?] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4);call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4);call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4);~sx~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296);call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4);havoc #t~union1;havoc #t~mem0;call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset);havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [__ieee754_expf_~k~0=0, __ieee754_expf_~sx~0=3, __ieee754_expf_~x=28.0, |#NULL.base|=0, |#NULL.offset|=0, |__ieee754_expf_#in~x|=28.0, |~#halF_exp~0.base|=13, |~#halF_exp~0.offset|=0, |~#ln2HI_exp~0.base|=30, |~#ln2HI_exp~0.offset|=0, |~#ln2LO_exp~0.base|=19, |~#ln2LO_exp~0.offset|=0, ~huge_exp~0=1000000000000000000000000000000.0, ~invln2_exp~0=(/ 1803368777.0 1250000000.0), ~one_exp~0=1.0, ~P1_exp~0=(/ 16666667163.0 100000000000.0), ~P3_exp~0=(/ 6613755977.0 100000000000000.0), ~P5_exp~0=(/ 20690684721.0 500000000000000000.0), ~twom100_exp~0=(/ 39443045261.0 50000000000000000000000000000000000000000.0)] [?] goto; VAL [__ieee754_expf_~k~0=0, __ieee754_expf_~sx~0=3, __ieee754_expf_~x=28.0, |#NULL.base|=0, |#NULL.offset|=0, |__ieee754_expf_#in~x|=28.0, |~#halF_exp~0.base|=13, |~#halF_exp~0.offset|=0, |~#ln2HI_exp~0.base|=30, |~#ln2HI_exp~0.offset|=0, |~#ln2LO_exp~0.base|=19, |~#ln2LO_exp~0.offset|=0, ~huge_exp~0=1000000000000000000000000000000.0, ~invln2_exp~0=(/ 1803368777.0 1250000000.0), ~one_exp~0=1.0, ~P1_exp~0=(/ 16666667163.0 100000000000.0), ~P3_exp~0=(/ 6613755977.0 100000000000000.0), ~P5_exp~0=(/ 20690684721.0 500000000000000000.0), ~twom100_exp~0=(/ 39443045261.0 50000000000000000000000000000000000000000.0)] [?] ~xsb~0 := ~bitwiseAnd(~sx~0 / 2147483648, 1);~hx~0 := ~bitwiseAnd(~sx~0, 2147483647); VAL [__ieee754_expf_~k~0=0, __ieee754_expf_~sx~0=3, __ieee754_expf_~x=28.0, |#NULL.base|=0, |#NULL.offset|=0, |__ieee754_expf_#in~x|=28.0, |~#halF_exp~0.base|=13, |~#halF_exp~0.offset|=0, |~#ln2HI_exp~0.base|=30, |~#ln2HI_exp~0.offset|=0, |~#ln2LO_exp~0.base|=19, |~#ln2LO_exp~0.offset|=0, ~huge_exp~0=1000000000000000000000000000000.0, ~invln2_exp~0=(/ 1803368777.0 1250000000.0), ~one_exp~0=1.0, ~P1_exp~0=(/ 16666667163.0 100000000000.0), ~P3_exp~0=(/ 6613755977.0 100000000000000.0), ~P5_exp~0=(/ 20690684721.0 500000000000000000.0), ~twom100_exp~0=(/ 39443045261.0 50000000000000000000000000000000000000000.0)] [?] assume ~hx~0 % 4294967296 > 2139095040;#res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [__ieee754_expf_~hx~0=2139095041, __ieee754_expf_~k~0=0, __ieee754_expf_~sx~0=3, __ieee754_expf_~x=28.0, |#NULL.base|=0, |#NULL.offset|=0, |__ieee754_expf_#in~x|=28.0, |~#halF_exp~0.base|=13, |~#halF_exp~0.offset|=0, |~#ln2HI_exp~0.base|=30, |~#ln2HI_exp~0.offset|=0, |~#ln2LO_exp~0.base|=19, |~#ln2LO_exp~0.offset|=0, ~huge_exp~0=1000000000000000000000000000000.0, ~invln2_exp~0=(/ 1803368777.0 1250000000.0), ~one_exp~0=1.0, ~P1_exp~0=(/ 16666667163.0 100000000000.0), ~P3_exp~0=(/ 6613755977.0 100000000000000.0), ~P5_exp~0=(/ 20690684721.0 500000000000000000.0), ~twom100_exp~0=(/ 39443045261.0 50000000000000000000000000000000000000000.0)] [?] assume true; VAL [__ieee754_expf_~hx~0=2139095041, __ieee754_expf_~k~0=0, __ieee754_expf_~sx~0=3, __ieee754_expf_~x=28.0, |#NULL.base|=0, |#NULL.offset|=0, |__ieee754_expf_#in~x|=28.0, |~#halF_exp~0.base|=13, |~#halF_exp~0.offset|=0, |~#ln2HI_exp~0.base|=30, |~#ln2HI_exp~0.offset|=0, |~#ln2LO_exp~0.base|=19, |~#ln2LO_exp~0.offset|=0, ~huge_exp~0=1000000000000000000000000000000.0, ~invln2_exp~0=(/ 1803368777.0 1250000000.0), ~one_exp~0=1.0, ~P1_exp~0=(/ 16666667163.0 100000000000.0), ~P3_exp~0=(/ 6613755977.0 100000000000000.0), ~P5_exp~0=(/ 20690684721.0 500000000000000000.0), ~twom100_exp~0=(/ 39443045261.0 50000000000000000000000000000000000000000.0)] [?] RET #160#return; VAL [main_~x~0=28.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~ret18|=27.0, |~#halF_exp~0.base|=13, |~#halF_exp~0.offset|=0, |~#ln2HI_exp~0.base|=30, |~#ln2HI_exp~0.offset|=0, |~#ln2LO_exp~0.base|=19, |~#ln2LO_exp~0.offset|=0, ~huge_exp~0=1000000000000000000000000000000.0, ~invln2_exp~0=(/ 1803368777.0 1250000000.0), ~one_exp~0=1.0, ~P1_exp~0=(/ 16666667163.0 100000000000.0), ~P3_exp~0=(/ 6613755977.0 100000000000000.0), ~P5_exp~0=(/ 20690684721.0 500000000000000000.0), ~twom100_exp~0=(/ 39443045261.0 50000000000000000000000000000000000000000.0)] [?] ~res~0 := #t~ret18;havoc #t~ret18;#t~short20 := ~someBinaryFLOATComparisonOperation(~res~0, 0.0); VAL [main_~res~0=27.0, main_~x~0=28.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~short20|=false, |~#halF_exp~0.base|=13, |~#halF_exp~0.offset|=0, |~#ln2HI_exp~0.base|=30, |~#ln2HI_exp~0.offset|=0, |~#ln2LO_exp~0.base|=19, |~#ln2LO_exp~0.offset|=0, ~huge_exp~0=1000000000000000000000000000000.0, ~invln2_exp~0=(/ 1803368777.0 1250000000.0), ~one_exp~0=1.0, ~P1_exp~0=(/ 16666667163.0 100000000000.0), ~P3_exp~0=(/ 6613755977.0 100000000000000.0), ~P5_exp~0=(/ 20690684721.0 500000000000000000.0), ~twom100_exp~0=(/ 39443045261.0 50000000000000000000000000000000000000000.0)] [?] assume !#t~short20; VAL [main_~res~0=27.0, main_~x~0=28.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~short20|=false, |~#halF_exp~0.base|=13, |~#halF_exp~0.offset|=0, |~#ln2HI_exp~0.base|=30, |~#ln2HI_exp~0.offset|=0, |~#ln2LO_exp~0.base|=19, |~#ln2LO_exp~0.offset|=0, ~huge_exp~0=1000000000000000000000000000000.0, ~invln2_exp~0=(/ 1803368777.0 1250000000.0), ~one_exp~0=1.0, ~P1_exp~0=(/ 16666667163.0 100000000000.0), ~P3_exp~0=(/ 6613755977.0 100000000000000.0), ~P5_exp~0=(/ 20690684721.0 500000000000000000.0), ~twom100_exp~0=(/ 39443045261.0 50000000000000000000000000000000000000000.0)] [?] assume !#t~short20;havoc #t~short20;havoc #t~ret19; VAL [main_~res~0=27.0, main_~x~0=28.0, |#NULL.base|=0, |#NULL.offset|=0, |~#halF_exp~0.base|=13, |~#halF_exp~0.offset|=0, |~#ln2HI_exp~0.base|=30, |~#ln2HI_exp~0.offset|=0, |~#ln2LO_exp~0.base|=19, |~#ln2LO_exp~0.offset|=0, ~huge_exp~0=1000000000000000000000000000000.0, ~invln2_exp~0=(/ 1803368777.0 1250000000.0), ~one_exp~0=1.0, ~P1_exp~0=(/ 16666667163.0 100000000000.0), ~P3_exp~0=(/ 6613755977.0 100000000000000.0), ~P5_exp~0=(/ 20690684721.0 500000000000000000.0), ~twom100_exp~0=(/ 39443045261.0 50000000000000000000000000000000000000000.0)] [?] assume !false; VAL [main_~res~0=27.0, main_~x~0=28.0, |#NULL.base|=0, |#NULL.offset|=0, |~#halF_exp~0.base|=13, |~#halF_exp~0.offset|=0, |~#ln2HI_exp~0.base|=30, |~#ln2HI_exp~0.offset|=0, |~#ln2LO_exp~0.base|=19, |~#ln2LO_exp~0.offset|=0, ~huge_exp~0=1000000000000000000000000000000.0, ~invln2_exp~0=(/ 1803368777.0 1250000000.0), ~one_exp~0=1.0, ~P1_exp~0=(/ 16666667163.0 100000000000.0), ~P3_exp~0=(/ 6613755977.0 100000000000000.0), ~P5_exp~0=(/ 20690684721.0 500000000000000000.0), ~twom100_exp~0=(/ 39443045261.0 50000000000000000000000000000000000000000.0)] [?] CALL call ULTIMATE.init(); VAL [#NULL.base=29, #NULL.offset=24, old(#NULL.base)=29, old(#NULL.offset)=24, old(~#halF_exp~0.base)=15, old(~#halF_exp~0.offset)=33, old(~#ln2HI_exp~0.base)=31, old(~#ln2HI_exp~0.offset)=9, old(~#ln2LO_exp~0.base)=18, old(~#ln2LO_exp~0.offset)=32, old(~huge_exp~0)=26.0, old(~invln2_exp~0)=11.0, old(~one_exp~0)=23.0, old(~P1_exp~0)=14.0, old(~P2_exp~0)=16.0, old(~P3_exp~0)=20.0, old(~P4_exp~0)=22.0, old(~P5_exp~0)=21.0, old(~twom100_exp~0)=10.0, ~#halF_exp~0.base=15, ~#halF_exp~0.offset=33, ~#ln2HI_exp~0.base=31, ~#ln2HI_exp~0.offset=9, ~#ln2LO_exp~0.base=18, ~#ln2LO_exp~0.offset=32, ~huge_exp~0=26.0, ~invln2_exp~0=11.0, ~one_exp~0=23.0, ~P1_exp~0=14.0, ~P2_exp~0=16.0, ~P3_exp~0=20.0, ~P4_exp~0=22.0, ~P5_exp~0=21.0, ~twom100_exp~0=10.0] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L12-L31] ~one_exp~0 := 1.0; [L12-L31] call ~#halF_exp~0.base, ~#halF_exp~0.offset := #Ultimate.alloc(8); [L12-L31] call write~init~real(0.5, ~#halF_exp~0.base, ~#halF_exp~0.offset, 4); [L12-L31] call write~init~real(~someUnaryDOUBLEoperation(0.5), ~#halF_exp~0.base, 4 + ~#halF_exp~0.offset, 4); [L12-L31] ~huge_exp~0 := 1.0E30; [L12-L31] ~twom100_exp~0 := 7.8886090522E-31; [L12-L31] call ~#ln2HI_exp~0.base, ~#ln2HI_exp~0.offset := #Ultimate.alloc(8); [L12-L31] call write~init~real(0.69313812256, ~#ln2HI_exp~0.base, ~#ln2HI_exp~0.offset, 4); [L12-L31] call write~init~real(~someUnaryDOUBLEoperation(0.69313812256), ~#ln2HI_exp~0.base, 4 + ~#ln2HI_exp~0.offset, 4); [L12-L31] call ~#ln2LO_exp~0.base, ~#ln2LO_exp~0.offset := #Ultimate.alloc(8); [L12-L31] call write~init~real(9.0580006145E-6, ~#ln2LO_exp~0.base, ~#ln2LO_exp~0.offset, 4); [L12-L31] call write~init~real(~someUnaryDOUBLEoperation(9.0580006145E-6), ~#ln2LO_exp~0.base, 4 + ~#ln2LO_exp~0.offset, 4); [L12-L31] ~invln2_exp~0 := 1.4426950216; [L12-L31] ~P1_exp~0 := 0.16666667163; [L12-L31] ~P2_exp~0 := ~someUnaryDOUBLEoperation(0.002777777845); [L12-L31] ~P3_exp~0 := 6.613755977E-5; [L12-L31] ~P4_exp~0 := ~someUnaryDOUBLEoperation(1.6533901999E-6); [L12-L31] ~P5_exp~0 := 4.1381369442E-8; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=29, old(#NULL.offset)=24, old(~#halF_exp~0.base)=15, old(~#halF_exp~0.offset)=33, old(~#ln2HI_exp~0.base)=31, old(~#ln2HI_exp~0.offset)=9, old(~#ln2LO_exp~0.base)=18, old(~#ln2LO_exp~0.offset)=32, old(~huge_exp~0)=26.0, old(~invln2_exp~0)=11.0, old(~one_exp~0)=23.0, old(~P1_exp~0)=14.0, old(~P2_exp~0)=16.0, old(~P3_exp~0)=20.0, old(~P4_exp~0)=22.0, old(~P5_exp~0)=21.0, old(~twom100_exp~0)=10.0, ~#halF_exp~0.base=13, ~#halF_exp~0.offset=0, ~#ln2HI_exp~0.base=30, ~#ln2HI_exp~0.offset=0, ~#ln2LO_exp~0.base=19, ~#ln2LO_exp~0.offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=29, old(#NULL.offset)=24, old(~#halF_exp~0.base)=15, old(~#halF_exp~0.offset)=33, old(~#ln2HI_exp~0.base)=31, old(~#ln2HI_exp~0.offset)=9, old(~#ln2LO_exp~0.base)=18, old(~#ln2LO_exp~0.offset)=32, old(~huge_exp~0)=26.0, old(~invln2_exp~0)=11.0, old(~one_exp~0)=23.0, old(~P1_exp~0)=14.0, old(~P2_exp~0)=16.0, old(~P3_exp~0)=20.0, old(~P4_exp~0)=22.0, old(~P5_exp~0)=21.0, old(~twom100_exp~0)=10.0, ~#halF_exp~0.base=13, ~#halF_exp~0.offset=0, ~#ln2HI_exp~0.base=30, ~#ln2HI_exp~0.offset=0, ~#ln2LO_exp~0.base=19, ~#ln2LO_exp~0.offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0, ~#halF_exp~0.base=13, ~#halF_exp~0.offset=0, ~#ln2HI_exp~0.base=30, ~#ln2HI_exp~0.offset=0, ~#ln2LO_exp~0.base=19, ~#ln2LO_exp~0.offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000] [?] CALL call #t~ret21 := main(); VAL [#NULL.base=0, #NULL.offset=0, ~#halF_exp~0.base=13, ~#halF_exp~0.offset=0, ~#ln2HI_exp~0.base=30, ~#ln2HI_exp~0.offset=0, ~#ln2LO_exp~0.base=19, ~#ln2LO_exp~0.offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000] [L126] ~x~0 := ~someBinaryArithmeticFLOAToperation(~someUnaryFLOAToperation(1.0), 0.0); VAL [#NULL.base=0, #NULL.offset=0, ~#halF_exp~0.base=13, ~#halF_exp~0.offset=0, ~#ln2HI_exp~0.base=30, ~#ln2HI_exp~0.offset=0, ~#ln2LO_exp~0.base=19, ~#ln2LO_exp~0.offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000] [L127] CALL call #t~ret18 := __ieee754_expf(~x~0); VAL [#in~x=28.0, #NULL.base=0, #NULL.offset=0, ~#halF_exp~0.base=13, ~#halF_exp~0.offset=0, ~#ln2HI_exp~0.base=30, ~#ln2HI_exp~0.offset=0, ~#ln2LO_exp~0.base=19, ~#ln2LO_exp~0.offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000] [L33-L106] ~x := #in~x; [L34] havoc ~y~0; [L34] havoc ~hi~0; [L34] havoc ~lo~0; [L34] havoc ~c~0; [L34] havoc ~t~0; [L35] ~k~0 := 0; [L35] havoc ~xsb~0; [L35] havoc ~sx~0; [L36] havoc ~hx~0; VAL [#in~x=28.0, #NULL.base=0, #NULL.offset=0, ~#halF_exp~0.base=13, ~#halF_exp~0.offset=0, ~#ln2HI_exp~0.base=30, ~#ln2HI_exp~0.offset=0, ~#ln2LO_exp~0.base=19, ~#ln2LO_exp~0.offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~k~0=0, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x=28.0] [L39] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4); [L40] call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L41] call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); [L41] ~sx~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L41] call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L41] havoc #t~union1; [L41] havoc #t~mem0; [L39] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L39] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=28.0, #NULL.base=0, #NULL.offset=0, ~#halF_exp~0.base=13, ~#halF_exp~0.offset=0, ~#ln2HI_exp~0.base=30, ~#ln2HI_exp~0.offset=0, ~#ln2LO_exp~0.base=19, ~#ln2LO_exp~0.offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~k~0=0, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~sx~0=3, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x=28.0] [L43] ~xsb~0 := ~bitwiseAnd(~sx~0 / 2147483648, 1); [L44] ~hx~0 := ~bitwiseAnd(~sx~0, 2147483647); VAL [#in~x=28.0, #NULL.base=0, #NULL.offset=0, ~#halF_exp~0.base=13, ~#halF_exp~0.offset=0, ~#ln2HI_exp~0.base=30, ~#ln2HI_exp~0.offset=0, ~#ln2LO_exp~0.base=19, ~#ln2LO_exp~0.offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~k~0=0, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~sx~0=3, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x=28.0] [L46-L47] assume ~hx~0 % 4294967296 > 2139095040; [L47] #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [#in~x=28.0, #NULL.base=0, #NULL.offset=0, ~#halF_exp~0.base=13, ~#halF_exp~0.offset=0, ~#ln2HI_exp~0.base=30, ~#ln2HI_exp~0.offset=0, ~#ln2LO_exp~0.base=19, ~#ln2LO_exp~0.offset=0, ~huge_exp~0=1.0E30, ~hx~0=2139095041, ~invln2_exp~0=1803368777/1250000000, ~k~0=0, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~sx~0=3, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x=28.0] [L33-L106] ensures true; VAL [#in~x=28.0, #NULL.base=0, #NULL.offset=0, ~#halF_exp~0.base=13, ~#halF_exp~0.offset=0, ~#ln2HI_exp~0.base=30, ~#ln2HI_exp~0.offset=0, ~#ln2LO_exp~0.base=19, ~#ln2LO_exp~0.offset=0, ~huge_exp~0=1.0E30, ~hx~0=2139095041, ~invln2_exp~0=1803368777/1250000000, ~k~0=0, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~sx~0=3, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x=28.0] [L127] RET call #t~ret18 := __ieee754_expf(~x~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret18=27.0, ~#halF_exp~0.base=13, ~#halF_exp~0.offset=0, ~#ln2HI_exp~0.base=30, ~#ln2HI_exp~0.offset=0, ~#ln2LO_exp~0.base=19, ~#ln2LO_exp~0.offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x~0=28.0] [L127] ~res~0 := #t~ret18; [L127] havoc #t~ret18; [L130] #t~short20 := ~someBinaryFLOATComparisonOperation(~res~0, 0.0); VAL [#NULL.base=0, #NULL.offset=0, #t~short20=false, ~#halF_exp~0.base=13, ~#halF_exp~0.offset=0, ~#ln2HI_exp~0.base=30, ~#ln2HI_exp~0.offset=0, ~#ln2LO_exp~0.base=19, ~#ln2LO_exp~0.offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~res~0=27.0, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x~0=28.0] [L130] assume !#t~short20; VAL [#NULL.base=0, #NULL.offset=0, #t~short20=false, ~#halF_exp~0.base=13, ~#halF_exp~0.offset=0, ~#ln2HI_exp~0.base=30, ~#ln2HI_exp~0.offset=0, ~#ln2LO_exp~0.base=19, ~#ln2LO_exp~0.offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~res~0=27.0, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x~0=28.0] [L130-L133] assume !#t~short20; [L130] havoc #t~short20; [L130] havoc #t~ret19; VAL [#NULL.base=0, #NULL.offset=0, ~#halF_exp~0.base=13, ~#halF_exp~0.offset=0, ~#ln2HI_exp~0.base=30, ~#ln2HI_exp~0.offset=0, ~#ln2LO_exp~0.base=19, ~#ln2LO_exp~0.offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~res~0=27.0, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x~0=28.0] [L131] assert false; VAL [#NULL.base=0, #NULL.offset=0, ~#halF_exp~0.base=13, ~#halF_exp~0.offset=0, ~#ln2HI_exp~0.base=30, ~#ln2HI_exp~0.offset=0, ~#ln2LO_exp~0.base=19, ~#ln2LO_exp~0.offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~res~0=27.0, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x~0=28.0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL.base=29, #NULL.offset=24, old(#NULL.base)=29, old(#NULL.offset)=24, old(~#halF_exp~0.base)=15, old(~#halF_exp~0.offset)=33, old(~#ln2HI_exp~0.base)=31, old(~#ln2HI_exp~0.offset)=9, old(~#ln2LO_exp~0.base)=18, old(~#ln2LO_exp~0.offset)=32, old(~huge_exp~0)=26.0, old(~invln2_exp~0)=11.0, old(~one_exp~0)=23.0, old(~P1_exp~0)=14.0, old(~P2_exp~0)=16.0, old(~P3_exp~0)=20.0, old(~P4_exp~0)=22.0, old(~P5_exp~0)=21.0, old(~twom100_exp~0)=10.0, ~#halF_exp~0.base=15, ~#halF_exp~0.offset=33, ~#ln2HI_exp~0.base=31, ~#ln2HI_exp~0.offset=9, ~#ln2LO_exp~0.base=18, ~#ln2LO_exp~0.offset=32, ~huge_exp~0=26.0, ~invln2_exp~0=11.0, ~one_exp~0=23.0, ~P1_exp~0=14.0, ~P2_exp~0=16.0, ~P3_exp~0=20.0, ~P4_exp~0=22.0, ~P5_exp~0=21.0, ~twom100_exp~0=10.0] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L12-L31] ~one_exp~0 := 1.0; [L12-L31] call ~#halF_exp~0.base, ~#halF_exp~0.offset := #Ultimate.alloc(8); [L12-L31] call write~init~real(0.5, ~#halF_exp~0.base, ~#halF_exp~0.offset, 4); [L12-L31] call write~init~real(~someUnaryDOUBLEoperation(0.5), ~#halF_exp~0.base, 4 + ~#halF_exp~0.offset, 4); [L12-L31] ~huge_exp~0 := 1.0E30; [L12-L31] ~twom100_exp~0 := 7.8886090522E-31; [L12-L31] call ~#ln2HI_exp~0.base, ~#ln2HI_exp~0.offset := #Ultimate.alloc(8); [L12-L31] call write~init~real(0.69313812256, ~#ln2HI_exp~0.base, ~#ln2HI_exp~0.offset, 4); [L12-L31] call write~init~real(~someUnaryDOUBLEoperation(0.69313812256), ~#ln2HI_exp~0.base, 4 + ~#ln2HI_exp~0.offset, 4); [L12-L31] call ~#ln2LO_exp~0.base, ~#ln2LO_exp~0.offset := #Ultimate.alloc(8); [L12-L31] call write~init~real(9.0580006145E-6, ~#ln2LO_exp~0.base, ~#ln2LO_exp~0.offset, 4); [L12-L31] call write~init~real(~someUnaryDOUBLEoperation(9.0580006145E-6), ~#ln2LO_exp~0.base, 4 + ~#ln2LO_exp~0.offset, 4); [L12-L31] ~invln2_exp~0 := 1.4426950216; [L12-L31] ~P1_exp~0 := 0.16666667163; [L12-L31] ~P2_exp~0 := ~someUnaryDOUBLEoperation(0.002777777845); [L12-L31] ~P3_exp~0 := 6.613755977E-5; [L12-L31] ~P4_exp~0 := ~someUnaryDOUBLEoperation(1.6533901999E-6); [L12-L31] ~P5_exp~0 := 4.1381369442E-8; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=29, old(#NULL.offset)=24, old(~#halF_exp~0.base)=15, old(~#halF_exp~0.offset)=33, old(~#ln2HI_exp~0.base)=31, old(~#ln2HI_exp~0.offset)=9, old(~#ln2LO_exp~0.base)=18, old(~#ln2LO_exp~0.offset)=32, old(~huge_exp~0)=26.0, old(~invln2_exp~0)=11.0, old(~one_exp~0)=23.0, old(~P1_exp~0)=14.0, old(~P2_exp~0)=16.0, old(~P3_exp~0)=20.0, old(~P4_exp~0)=22.0, old(~P5_exp~0)=21.0, old(~twom100_exp~0)=10.0, ~#halF_exp~0.base=13, ~#halF_exp~0.offset=0, ~#ln2HI_exp~0.base=30, ~#ln2HI_exp~0.offset=0, ~#ln2LO_exp~0.base=19, ~#ln2LO_exp~0.offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=29, old(#NULL.offset)=24, old(~#halF_exp~0.base)=15, old(~#halF_exp~0.offset)=33, old(~#ln2HI_exp~0.base)=31, old(~#ln2HI_exp~0.offset)=9, old(~#ln2LO_exp~0.base)=18, old(~#ln2LO_exp~0.offset)=32, old(~huge_exp~0)=26.0, old(~invln2_exp~0)=11.0, old(~one_exp~0)=23.0, old(~P1_exp~0)=14.0, old(~P2_exp~0)=16.0, old(~P3_exp~0)=20.0, old(~P4_exp~0)=22.0, old(~P5_exp~0)=21.0, old(~twom100_exp~0)=10.0, ~#halF_exp~0.base=13, ~#halF_exp~0.offset=0, ~#ln2HI_exp~0.base=30, ~#ln2HI_exp~0.offset=0, ~#ln2LO_exp~0.base=19, ~#ln2LO_exp~0.offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0, ~#halF_exp~0.base=13, ~#halF_exp~0.offset=0, ~#ln2HI_exp~0.base=30, ~#ln2HI_exp~0.offset=0, ~#ln2LO_exp~0.base=19, ~#ln2LO_exp~0.offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000] [?] CALL call #t~ret21 := main(); VAL [#NULL.base=0, #NULL.offset=0, ~#halF_exp~0.base=13, ~#halF_exp~0.offset=0, ~#ln2HI_exp~0.base=30, ~#ln2HI_exp~0.offset=0, ~#ln2LO_exp~0.base=19, ~#ln2LO_exp~0.offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000] [L126] ~x~0 := ~someBinaryArithmeticFLOAToperation(~someUnaryFLOAToperation(1.0), 0.0); VAL [#NULL.base=0, #NULL.offset=0, ~#halF_exp~0.base=13, ~#halF_exp~0.offset=0, ~#ln2HI_exp~0.base=30, ~#ln2HI_exp~0.offset=0, ~#ln2LO_exp~0.base=19, ~#ln2LO_exp~0.offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000] [L127] CALL call #t~ret18 := __ieee754_expf(~x~0); VAL [#in~x=28.0, #NULL.base=0, #NULL.offset=0, ~#halF_exp~0.base=13, ~#halF_exp~0.offset=0, ~#ln2HI_exp~0.base=30, ~#ln2HI_exp~0.offset=0, ~#ln2LO_exp~0.base=19, ~#ln2LO_exp~0.offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000] [L33-L106] ~x := #in~x; [L34] havoc ~y~0; [L34] havoc ~hi~0; [L34] havoc ~lo~0; [L34] havoc ~c~0; [L34] havoc ~t~0; [L35] ~k~0 := 0; [L35] havoc ~xsb~0; [L35] havoc ~sx~0; [L36] havoc ~hx~0; VAL [#in~x=28.0, #NULL.base=0, #NULL.offset=0, ~#halF_exp~0.base=13, ~#halF_exp~0.offset=0, ~#ln2HI_exp~0.base=30, ~#ln2HI_exp~0.offset=0, ~#ln2LO_exp~0.base=19, ~#ln2LO_exp~0.offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~k~0=0, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x=28.0] [L39] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4); [L40] call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L41] call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); [L41] ~sx~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L41] call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L41] havoc #t~union1; [L41] havoc #t~mem0; [L39] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L39] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=28.0, #NULL.base=0, #NULL.offset=0, ~#halF_exp~0.base=13, ~#halF_exp~0.offset=0, ~#ln2HI_exp~0.base=30, ~#ln2HI_exp~0.offset=0, ~#ln2LO_exp~0.base=19, ~#ln2LO_exp~0.offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~k~0=0, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~sx~0=3, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x=28.0] [L43] ~xsb~0 := ~bitwiseAnd(~sx~0 / 2147483648, 1); [L44] ~hx~0 := ~bitwiseAnd(~sx~0, 2147483647); VAL [#in~x=28.0, #NULL.base=0, #NULL.offset=0, ~#halF_exp~0.base=13, ~#halF_exp~0.offset=0, ~#ln2HI_exp~0.base=30, ~#ln2HI_exp~0.offset=0, ~#ln2LO_exp~0.base=19, ~#ln2LO_exp~0.offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~k~0=0, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~sx~0=3, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x=28.0] [L46-L47] assume ~hx~0 % 4294967296 > 2139095040; [L47] #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [#in~x=28.0, #NULL.base=0, #NULL.offset=0, ~#halF_exp~0.base=13, ~#halF_exp~0.offset=0, ~#ln2HI_exp~0.base=30, ~#ln2HI_exp~0.offset=0, ~#ln2LO_exp~0.base=19, ~#ln2LO_exp~0.offset=0, ~huge_exp~0=1.0E30, ~hx~0=2139095041, ~invln2_exp~0=1803368777/1250000000, ~k~0=0, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~sx~0=3, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x=28.0] [L33-L106] ensures true; VAL [#in~x=28.0, #NULL.base=0, #NULL.offset=0, ~#halF_exp~0.base=13, ~#halF_exp~0.offset=0, ~#ln2HI_exp~0.base=30, ~#ln2HI_exp~0.offset=0, ~#ln2LO_exp~0.base=19, ~#ln2LO_exp~0.offset=0, ~huge_exp~0=1.0E30, ~hx~0=2139095041, ~invln2_exp~0=1803368777/1250000000, ~k~0=0, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~sx~0=3, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x=28.0] [L127] RET call #t~ret18 := __ieee754_expf(~x~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret18=27.0, ~#halF_exp~0.base=13, ~#halF_exp~0.offset=0, ~#ln2HI_exp~0.base=30, ~#ln2HI_exp~0.offset=0, ~#ln2LO_exp~0.base=19, ~#ln2LO_exp~0.offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x~0=28.0] [L127] ~res~0 := #t~ret18; [L127] havoc #t~ret18; [L130] #t~short20 := ~someBinaryFLOATComparisonOperation(~res~0, 0.0); VAL [#NULL.base=0, #NULL.offset=0, #t~short20=false, ~#halF_exp~0.base=13, ~#halF_exp~0.offset=0, ~#ln2HI_exp~0.base=30, ~#ln2HI_exp~0.offset=0, ~#ln2LO_exp~0.base=19, ~#ln2LO_exp~0.offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~res~0=27.0, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x~0=28.0] [L130] assume !#t~short20; VAL [#NULL.base=0, #NULL.offset=0, #t~short20=false, ~#halF_exp~0.base=13, ~#halF_exp~0.offset=0, ~#ln2HI_exp~0.base=30, ~#ln2HI_exp~0.offset=0, ~#ln2LO_exp~0.base=19, ~#ln2LO_exp~0.offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~res~0=27.0, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x~0=28.0] [L130-L133] assume !#t~short20; [L130] havoc #t~short20; [L130] havoc #t~ret19; VAL [#NULL.base=0, #NULL.offset=0, ~#halF_exp~0.base=13, ~#halF_exp~0.offset=0, ~#ln2HI_exp~0.base=30, ~#ln2HI_exp~0.offset=0, ~#ln2LO_exp~0.base=19, ~#ln2LO_exp~0.offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~res~0=27.0, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x~0=28.0] [L131] assert false; VAL [#NULL.base=0, #NULL.offset=0, ~#halF_exp~0.base=13, ~#halF_exp~0.offset=0, ~#ln2HI_exp~0.base=30, ~#ln2HI_exp~0.offset=0, ~#ln2LO_exp~0.base=19, ~#ln2LO_exp~0.offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~res~0=27.0, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x~0=28.0] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=29, #NULL!offset=24, old(#NULL!base)=29, old(#NULL!offset)=24, old(~#halF_exp~0!base)=15, old(~#halF_exp~0!offset)=33, old(~#ln2HI_exp~0!base)=31, old(~#ln2HI_exp~0!offset)=9, old(~#ln2LO_exp~0!base)=18, old(~#ln2LO_exp~0!offset)=32, old(~huge_exp~0)=26.0, old(~invln2_exp~0)=11.0, old(~one_exp~0)=23.0, old(~P1_exp~0)=14.0, old(~P2_exp~0)=16.0, old(~P3_exp~0)=20.0, old(~P4_exp~0)=22.0, old(~P5_exp~0)=21.0, old(~twom100_exp~0)=10.0, ~#halF_exp~0!base=15, ~#halF_exp~0!offset=33, ~#ln2HI_exp~0!base=31, ~#ln2HI_exp~0!offset=9, ~#ln2LO_exp~0!base=18, ~#ln2LO_exp~0!offset=32, ~huge_exp~0=26.0, ~invln2_exp~0=11.0, ~one_exp~0=23.0, ~P1_exp~0=14.0, ~P2_exp~0=16.0, ~P3_exp~0=20.0, ~P4_exp~0=22.0, ~P5_exp~0=21.0, ~twom100_exp~0=10.0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L12-L31] ~one_exp~0 := 1.0; [L12-L31] FCALL call ~#halF_exp~0 := #Ultimate.alloc(8); [L12-L31] FCALL call write~init~real(0.5, { base: ~#halF_exp~0!base, offset: ~#halF_exp~0!offset }, 4); [L12-L31] FCALL call write~init~real(~someUnaryDOUBLEoperation(0.5), { base: ~#halF_exp~0!base, offset: 4 + ~#halF_exp~0!offset }, 4); [L12-L31] ~huge_exp~0 := 1.0E30; [L12-L31] ~twom100_exp~0 := 7.8886090522E-31; [L12-L31] FCALL call ~#ln2HI_exp~0 := #Ultimate.alloc(8); [L12-L31] FCALL call write~init~real(0.69313812256, { base: ~#ln2HI_exp~0!base, offset: ~#ln2HI_exp~0!offset }, 4); [L12-L31] FCALL call write~init~real(~someUnaryDOUBLEoperation(0.69313812256), { base: ~#ln2HI_exp~0!base, offset: 4 + ~#ln2HI_exp~0!offset }, 4); [L12-L31] FCALL call ~#ln2LO_exp~0 := #Ultimate.alloc(8); [L12-L31] FCALL call write~init~real(9.0580006145E-6, { base: ~#ln2LO_exp~0!base, offset: ~#ln2LO_exp~0!offset }, 4); [L12-L31] FCALL call write~init~real(~someUnaryDOUBLEoperation(9.0580006145E-6), { base: ~#ln2LO_exp~0!base, offset: 4 + ~#ln2LO_exp~0!offset }, 4); [L12-L31] ~invln2_exp~0 := 1.4426950216; [L12-L31] ~P1_exp~0 := 0.16666667163; [L12-L31] ~P2_exp~0 := ~someUnaryDOUBLEoperation(0.002777777845); [L12-L31] ~P3_exp~0 := 6.613755977E-5; [L12-L31] ~P4_exp~0 := ~someUnaryDOUBLEoperation(1.6533901999E-6); [L12-L31] ~P5_exp~0 := 4.1381369442E-8; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=29, old(#NULL!offset)=24, old(~#halF_exp~0!base)=15, old(~#halF_exp~0!offset)=33, old(~#ln2HI_exp~0!base)=31, old(~#ln2HI_exp~0!offset)=9, old(~#ln2LO_exp~0!base)=18, old(~#ln2LO_exp~0!offset)=32, old(~huge_exp~0)=26.0, old(~invln2_exp~0)=11.0, old(~one_exp~0)=23.0, old(~P1_exp~0)=14.0, old(~P2_exp~0)=16.0, old(~P3_exp~0)=20.0, old(~P4_exp~0)=22.0, old(~P5_exp~0)=21.0, old(~twom100_exp~0)=10.0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000] [?] CALL call #t~ret21 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000] [L126] ~x~0 := ~someBinaryArithmeticFLOAToperation(~someUnaryFLOAToperation(1.0), 0.0); VAL [#NULL!base=0, #NULL!offset=0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000] [L127] CALL call #t~ret18 := __ieee754_expf(~x~0); VAL [#in~x=28.0, #NULL!base=0, #NULL!offset=0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000] [L33-L106] ~x := #in~x; [L34] havoc ~y~0; [L34] havoc ~hi~0; [L34] havoc ~lo~0; [L34] havoc ~c~0; [L34] havoc ~t~0; [L35] ~k~0 := 0; [L35] havoc ~xsb~0; [L35] havoc ~sx~0; [L36] havoc ~hx~0; VAL [#in~x=28.0, #NULL!base=0, #NULL!offset=0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~k~0=0, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x=28.0] [L39] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L40] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L41] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L41] ~sx~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L41] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L41] havoc #t~union1; [L41] havoc #t~mem0; [L39] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L39] havoc ~#gf_u~0; VAL [#in~x=28.0, #NULL!base=0, #NULL!offset=0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~k~0=0, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~sx~0=3, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x=28.0] [L43] ~xsb~0 := ~bitwiseAnd(~sx~0 / 2147483648, 1); [L44] ~hx~0 := ~bitwiseAnd(~sx~0, 2147483647); VAL [#in~x=28.0, #NULL!base=0, #NULL!offset=0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~k~0=0, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~sx~0=3, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x=28.0] [L46] COND TRUE ~hx~0 % 4294967296 > 2139095040 [L47] #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [#in~x=28.0, #NULL!base=0, #NULL!offset=0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~hx~0=2139095041, ~invln2_exp~0=1803368777/1250000000, ~k~0=0, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~sx~0=3, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x=28.0] [L127] RET call #t~ret18 := __ieee754_expf(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret18=27.0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x~0=28.0] [L127] ~res~0 := #t~ret18; [L127] havoc #t~ret18; [L130] #t~short20 := ~someBinaryFLOATComparisonOperation(~res~0, 0.0); VAL [#NULL!base=0, #NULL!offset=0, #t~short20=false, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~res~0=27.0, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x~0=28.0] [L130] COND FALSE !(#t~short20) VAL [#NULL!base=0, #NULL!offset=0, #t~short20=false, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~res~0=27.0, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x~0=28.0] [L130] COND TRUE !#t~short20 [L130] havoc #t~short20; [L130] havoc #t~ret19; VAL [#NULL!base=0, #NULL!offset=0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~res~0=27.0, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x~0=28.0] [L131] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~res~0=27.0, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x~0=28.0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=29, #NULL!offset=24, old(#NULL!base)=29, old(#NULL!offset)=24, old(~#halF_exp~0!base)=15, old(~#halF_exp~0!offset)=33, old(~#ln2HI_exp~0!base)=31, old(~#ln2HI_exp~0!offset)=9, old(~#ln2LO_exp~0!base)=18, old(~#ln2LO_exp~0!offset)=32, old(~huge_exp~0)=26.0, old(~invln2_exp~0)=11.0, old(~one_exp~0)=23.0, old(~P1_exp~0)=14.0, old(~P2_exp~0)=16.0, old(~P3_exp~0)=20.0, old(~P4_exp~0)=22.0, old(~P5_exp~0)=21.0, old(~twom100_exp~0)=10.0, ~#halF_exp~0!base=15, ~#halF_exp~0!offset=33, ~#ln2HI_exp~0!base=31, ~#ln2HI_exp~0!offset=9, ~#ln2LO_exp~0!base=18, ~#ln2LO_exp~0!offset=32, ~huge_exp~0=26.0, ~invln2_exp~0=11.0, ~one_exp~0=23.0, ~P1_exp~0=14.0, ~P2_exp~0=16.0, ~P3_exp~0=20.0, ~P4_exp~0=22.0, ~P5_exp~0=21.0, ~twom100_exp~0=10.0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L12-L31] ~one_exp~0 := 1.0; [L12-L31] FCALL call ~#halF_exp~0 := #Ultimate.alloc(8); [L12-L31] FCALL call write~init~real(0.5, { base: ~#halF_exp~0!base, offset: ~#halF_exp~0!offset }, 4); [L12-L31] FCALL call write~init~real(~someUnaryDOUBLEoperation(0.5), { base: ~#halF_exp~0!base, offset: 4 + ~#halF_exp~0!offset }, 4); [L12-L31] ~huge_exp~0 := 1.0E30; [L12-L31] ~twom100_exp~0 := 7.8886090522E-31; [L12-L31] FCALL call ~#ln2HI_exp~0 := #Ultimate.alloc(8); [L12-L31] FCALL call write~init~real(0.69313812256, { base: ~#ln2HI_exp~0!base, offset: ~#ln2HI_exp~0!offset }, 4); [L12-L31] FCALL call write~init~real(~someUnaryDOUBLEoperation(0.69313812256), { base: ~#ln2HI_exp~0!base, offset: 4 + ~#ln2HI_exp~0!offset }, 4); [L12-L31] FCALL call ~#ln2LO_exp~0 := #Ultimate.alloc(8); [L12-L31] FCALL call write~init~real(9.0580006145E-6, { base: ~#ln2LO_exp~0!base, offset: ~#ln2LO_exp~0!offset }, 4); [L12-L31] FCALL call write~init~real(~someUnaryDOUBLEoperation(9.0580006145E-6), { base: ~#ln2LO_exp~0!base, offset: 4 + ~#ln2LO_exp~0!offset }, 4); [L12-L31] ~invln2_exp~0 := 1.4426950216; [L12-L31] ~P1_exp~0 := 0.16666667163; [L12-L31] ~P2_exp~0 := ~someUnaryDOUBLEoperation(0.002777777845); [L12-L31] ~P3_exp~0 := 6.613755977E-5; [L12-L31] ~P4_exp~0 := ~someUnaryDOUBLEoperation(1.6533901999E-6); [L12-L31] ~P5_exp~0 := 4.1381369442E-8; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=29, old(#NULL!offset)=24, old(~#halF_exp~0!base)=15, old(~#halF_exp~0!offset)=33, old(~#ln2HI_exp~0!base)=31, old(~#ln2HI_exp~0!offset)=9, old(~#ln2LO_exp~0!base)=18, old(~#ln2LO_exp~0!offset)=32, old(~huge_exp~0)=26.0, old(~invln2_exp~0)=11.0, old(~one_exp~0)=23.0, old(~P1_exp~0)=14.0, old(~P2_exp~0)=16.0, old(~P3_exp~0)=20.0, old(~P4_exp~0)=22.0, old(~P5_exp~0)=21.0, old(~twom100_exp~0)=10.0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000] [?] CALL call #t~ret21 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000] [L126] ~x~0 := ~someBinaryArithmeticFLOAToperation(~someUnaryFLOAToperation(1.0), 0.0); VAL [#NULL!base=0, #NULL!offset=0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000] [L127] CALL call #t~ret18 := __ieee754_expf(~x~0); VAL [#in~x=28.0, #NULL!base=0, #NULL!offset=0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000] [L33-L106] ~x := #in~x; [L34] havoc ~y~0; [L34] havoc ~hi~0; [L34] havoc ~lo~0; [L34] havoc ~c~0; [L34] havoc ~t~0; [L35] ~k~0 := 0; [L35] havoc ~xsb~0; [L35] havoc ~sx~0; [L36] havoc ~hx~0; VAL [#in~x=28.0, #NULL!base=0, #NULL!offset=0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~k~0=0, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x=28.0] [L39] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L40] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L41] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L41] ~sx~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L41] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L41] havoc #t~union1; [L41] havoc #t~mem0; [L39] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L39] havoc ~#gf_u~0; VAL [#in~x=28.0, #NULL!base=0, #NULL!offset=0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~k~0=0, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~sx~0=3, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x=28.0] [L43] ~xsb~0 := ~bitwiseAnd(~sx~0 / 2147483648, 1); [L44] ~hx~0 := ~bitwiseAnd(~sx~0, 2147483647); VAL [#in~x=28.0, #NULL!base=0, #NULL!offset=0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~k~0=0, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~sx~0=3, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x=28.0] [L46] COND TRUE ~hx~0 % 4294967296 > 2139095040 [L47] #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [#in~x=28.0, #NULL!base=0, #NULL!offset=0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~hx~0=2139095041, ~invln2_exp~0=1803368777/1250000000, ~k~0=0, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~sx~0=3, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x=28.0] [L127] RET call #t~ret18 := __ieee754_expf(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret18=27.0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x~0=28.0] [L127] ~res~0 := #t~ret18; [L127] havoc #t~ret18; [L130] #t~short20 := ~someBinaryFLOATComparisonOperation(~res~0, 0.0); VAL [#NULL!base=0, #NULL!offset=0, #t~short20=false, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~res~0=27.0, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x~0=28.0] [L130] COND FALSE !(#t~short20) VAL [#NULL!base=0, #NULL!offset=0, #t~short20=false, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~res~0=27.0, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x~0=28.0] [L130] COND TRUE !#t~short20 [L130] havoc #t~short20; [L130] havoc #t~ret19; VAL [#NULL!base=0, #NULL!offset=0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~res~0=27.0, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x~0=28.0] [L131] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~res~0=27.0, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x~0=28.0] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=29, #NULL!offset=24, old(#NULL!base)=29, old(#NULL!offset)=24, old(~#halF_exp~0!base)=15, old(~#halF_exp~0!offset)=33, old(~#ln2HI_exp~0!base)=31, old(~#ln2HI_exp~0!offset)=9, old(~#ln2LO_exp~0!base)=18, old(~#ln2LO_exp~0!offset)=32, old(~huge_exp~0)=26.0, old(~invln2_exp~0)=11.0, old(~one_exp~0)=23.0, old(~P1_exp~0)=14.0, old(~P2_exp~0)=16.0, old(~P3_exp~0)=20.0, old(~P4_exp~0)=22.0, old(~P5_exp~0)=21.0, old(~twom100_exp~0)=10.0, ~#halF_exp~0!base=15, ~#halF_exp~0!offset=33, ~#ln2HI_exp~0!base=31, ~#ln2HI_exp~0!offset=9, ~#ln2LO_exp~0!base=18, ~#ln2LO_exp~0!offset=32, ~huge_exp~0=26.0, ~invln2_exp~0=11.0, ~one_exp~0=23.0, ~P1_exp~0=14.0, ~P2_exp~0=16.0, ~P3_exp~0=20.0, ~P4_exp~0=22.0, ~P5_exp~0=21.0, ~twom100_exp~0=10.0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L12-L31] ~one_exp~0 := 1.0; [L12-L31] FCALL call ~#halF_exp~0 := #Ultimate.alloc(8); [L12-L31] FCALL call write~init~real(0.5, { base: ~#halF_exp~0!base, offset: ~#halF_exp~0!offset }, 4); [L12-L31] FCALL call write~init~real(~someUnaryDOUBLEoperation(0.5), { base: ~#halF_exp~0!base, offset: 4 + ~#halF_exp~0!offset }, 4); [L12-L31] ~huge_exp~0 := 1.0E30; [L12-L31] ~twom100_exp~0 := 7.8886090522E-31; [L12-L31] FCALL call ~#ln2HI_exp~0 := #Ultimate.alloc(8); [L12-L31] FCALL call write~init~real(0.69313812256, { base: ~#ln2HI_exp~0!base, offset: ~#ln2HI_exp~0!offset }, 4); [L12-L31] FCALL call write~init~real(~someUnaryDOUBLEoperation(0.69313812256), { base: ~#ln2HI_exp~0!base, offset: 4 + ~#ln2HI_exp~0!offset }, 4); [L12-L31] FCALL call ~#ln2LO_exp~0 := #Ultimate.alloc(8); [L12-L31] FCALL call write~init~real(9.0580006145E-6, { base: ~#ln2LO_exp~0!base, offset: ~#ln2LO_exp~0!offset }, 4); [L12-L31] FCALL call write~init~real(~someUnaryDOUBLEoperation(9.0580006145E-6), { base: ~#ln2LO_exp~0!base, offset: 4 + ~#ln2LO_exp~0!offset }, 4); [L12-L31] ~invln2_exp~0 := 1.4426950216; [L12-L31] ~P1_exp~0 := 0.16666667163; [L12-L31] ~P2_exp~0 := ~someUnaryDOUBLEoperation(0.002777777845); [L12-L31] ~P3_exp~0 := 6.613755977E-5; [L12-L31] ~P4_exp~0 := ~someUnaryDOUBLEoperation(1.6533901999E-6); [L12-L31] ~P5_exp~0 := 4.1381369442E-8; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=29, old(#NULL!offset)=24, old(~#halF_exp~0!base)=15, old(~#halF_exp~0!offset)=33, old(~#ln2HI_exp~0!base)=31, old(~#ln2HI_exp~0!offset)=9, old(~#ln2LO_exp~0!base)=18, old(~#ln2LO_exp~0!offset)=32, old(~huge_exp~0)=26.0, old(~invln2_exp~0)=11.0, old(~one_exp~0)=23.0, old(~P1_exp~0)=14.0, old(~P2_exp~0)=16.0, old(~P3_exp~0)=20.0, old(~P4_exp~0)=22.0, old(~P5_exp~0)=21.0, old(~twom100_exp~0)=10.0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000] [?] CALL call #t~ret21 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000] [L126] ~x~0 := ~someBinaryArithmeticFLOAToperation(~someUnaryFLOAToperation(1.0), 0.0); VAL [#NULL!base=0, #NULL!offset=0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000] [L127] CALL call #t~ret18 := __ieee754_expf(~x~0); VAL [#in~x=28.0, #NULL!base=0, #NULL!offset=0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000] [L33-L106] ~x := #in~x; [L34] havoc ~y~0; [L34] havoc ~hi~0; [L34] havoc ~lo~0; [L34] havoc ~c~0; [L34] havoc ~t~0; [L35] ~k~0 := 0; [L35] havoc ~xsb~0; [L35] havoc ~sx~0; [L36] havoc ~hx~0; VAL [#in~x=28.0, #NULL!base=0, #NULL!offset=0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~k~0=0, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x=28.0] [L39] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L40] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L41] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L41] ~sx~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L41] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L41] havoc #t~union1; [L41] havoc #t~mem0; [L39] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L39] havoc ~#gf_u~0; VAL [#in~x=28.0, #NULL!base=0, #NULL!offset=0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~k~0=0, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~sx~0=3, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x=28.0] [L43] ~xsb~0 := ~bitwiseAnd(~sx~0 / 2147483648, 1); [L44] ~hx~0 := ~bitwiseAnd(~sx~0, 2147483647); VAL [#in~x=28.0, #NULL!base=0, #NULL!offset=0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~k~0=0, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~sx~0=3, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x=28.0] [L46] COND TRUE ~hx~0 % 4294967296 > 2139095040 [L47] #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [#in~x=28.0, #NULL!base=0, #NULL!offset=0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~hx~0=2139095041, ~invln2_exp~0=1803368777/1250000000, ~k~0=0, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~sx~0=3, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x=28.0] [L127] RET call #t~ret18 := __ieee754_expf(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret18=27.0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x~0=28.0] [L127] ~res~0 := #t~ret18; [L127] havoc #t~ret18; [L130] #t~short20 := ~someBinaryFLOATComparisonOperation(~res~0, 0.0); VAL [#NULL!base=0, #NULL!offset=0, #t~short20=false, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~res~0=27.0, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x~0=28.0] [L130] COND FALSE !(#t~short20) VAL [#NULL!base=0, #NULL!offset=0, #t~short20=false, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~res~0=27.0, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x~0=28.0] [L130] COND TRUE !#t~short20 [L130] havoc #t~short20; [L130] havoc #t~ret19; VAL [#NULL!base=0, #NULL!offset=0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~res~0=27.0, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x~0=28.0] [L131] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~res~0=27.0, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x~0=28.0] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=29, #NULL!offset=24, old(#NULL!base)=29, old(#NULL!offset)=24, old(~#halF_exp~0!base)=15, old(~#halF_exp~0!offset)=33, old(~#ln2HI_exp~0!base)=31, old(~#ln2HI_exp~0!offset)=9, old(~#ln2LO_exp~0!base)=18, old(~#ln2LO_exp~0!offset)=32, old(~huge_exp~0)=26.0, old(~invln2_exp~0)=11.0, old(~one_exp~0)=23.0, old(~P1_exp~0)=14.0, old(~P2_exp~0)=16.0, old(~P3_exp~0)=20.0, old(~P4_exp~0)=22.0, old(~P5_exp~0)=21.0, old(~twom100_exp~0)=10.0, ~#halF_exp~0!base=15, ~#halF_exp~0!offset=33, ~#ln2HI_exp~0!base=31, ~#ln2HI_exp~0!offset=9, ~#ln2LO_exp~0!base=18, ~#ln2LO_exp~0!offset=32, ~huge_exp~0=26.0, ~invln2_exp~0=11.0, ~one_exp~0=23.0, ~P1_exp~0=14.0, ~P2_exp~0=16.0, ~P3_exp~0=20.0, ~P4_exp~0=22.0, ~P5_exp~0=21.0, ~twom100_exp~0=10.0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L12-L31] ~one_exp~0 := 1.0; [L12-L31] FCALL call ~#halF_exp~0 := #Ultimate.alloc(8); [L12-L31] FCALL call write~init~real(0.5, { base: ~#halF_exp~0!base, offset: ~#halF_exp~0!offset }, 4); [L12-L31] FCALL call write~init~real(~someUnaryDOUBLEoperation(0.5), { base: ~#halF_exp~0!base, offset: 4 + ~#halF_exp~0!offset }, 4); [L12-L31] ~huge_exp~0 := 1.0E30; [L12-L31] ~twom100_exp~0 := 7.8886090522E-31; [L12-L31] FCALL call ~#ln2HI_exp~0 := #Ultimate.alloc(8); [L12-L31] FCALL call write~init~real(0.69313812256, { base: ~#ln2HI_exp~0!base, offset: ~#ln2HI_exp~0!offset }, 4); [L12-L31] FCALL call write~init~real(~someUnaryDOUBLEoperation(0.69313812256), { base: ~#ln2HI_exp~0!base, offset: 4 + ~#ln2HI_exp~0!offset }, 4); [L12-L31] FCALL call ~#ln2LO_exp~0 := #Ultimate.alloc(8); [L12-L31] FCALL call write~init~real(9.0580006145E-6, { base: ~#ln2LO_exp~0!base, offset: ~#ln2LO_exp~0!offset }, 4); [L12-L31] FCALL call write~init~real(~someUnaryDOUBLEoperation(9.0580006145E-6), { base: ~#ln2LO_exp~0!base, offset: 4 + ~#ln2LO_exp~0!offset }, 4); [L12-L31] ~invln2_exp~0 := 1.4426950216; [L12-L31] ~P1_exp~0 := 0.16666667163; [L12-L31] ~P2_exp~0 := ~someUnaryDOUBLEoperation(0.002777777845); [L12-L31] ~P3_exp~0 := 6.613755977E-5; [L12-L31] ~P4_exp~0 := ~someUnaryDOUBLEoperation(1.6533901999E-6); [L12-L31] ~P5_exp~0 := 4.1381369442E-8; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=29, old(#NULL!offset)=24, old(~#halF_exp~0!base)=15, old(~#halF_exp~0!offset)=33, old(~#ln2HI_exp~0!base)=31, old(~#ln2HI_exp~0!offset)=9, old(~#ln2LO_exp~0!base)=18, old(~#ln2LO_exp~0!offset)=32, old(~huge_exp~0)=26.0, old(~invln2_exp~0)=11.0, old(~one_exp~0)=23.0, old(~P1_exp~0)=14.0, old(~P2_exp~0)=16.0, old(~P3_exp~0)=20.0, old(~P4_exp~0)=22.0, old(~P5_exp~0)=21.0, old(~twom100_exp~0)=10.0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000] [?] CALL call #t~ret21 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000] [L126] ~x~0 := ~someBinaryArithmeticFLOAToperation(~someUnaryFLOAToperation(1.0), 0.0); VAL [#NULL!base=0, #NULL!offset=0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000] [L127] CALL call #t~ret18 := __ieee754_expf(~x~0); VAL [#in~x=28.0, #NULL!base=0, #NULL!offset=0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000] [L33-L106] ~x := #in~x; [L34] havoc ~y~0; [L34] havoc ~hi~0; [L34] havoc ~lo~0; [L34] havoc ~c~0; [L34] havoc ~t~0; [L35] ~k~0 := 0; [L35] havoc ~xsb~0; [L35] havoc ~sx~0; [L36] havoc ~hx~0; VAL [#in~x=28.0, #NULL!base=0, #NULL!offset=0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~k~0=0, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x=28.0] [L39] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L40] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L41] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L41] ~sx~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L41] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L41] havoc #t~union1; [L41] havoc #t~mem0; [L39] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L39] havoc ~#gf_u~0; VAL [#in~x=28.0, #NULL!base=0, #NULL!offset=0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~k~0=0, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~sx~0=3, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x=28.0] [L43] ~xsb~0 := ~bitwiseAnd(~sx~0 / 2147483648, 1); [L44] ~hx~0 := ~bitwiseAnd(~sx~0, 2147483647); VAL [#in~x=28.0, #NULL!base=0, #NULL!offset=0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~k~0=0, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~sx~0=3, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x=28.0] [L46] COND TRUE ~hx~0 % 4294967296 > 2139095040 [L47] #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [#in~x=28.0, #NULL!base=0, #NULL!offset=0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~hx~0=2139095041, ~invln2_exp~0=1803368777/1250000000, ~k~0=0, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~sx~0=3, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x=28.0] [L127] RET call #t~ret18 := __ieee754_expf(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret18=27.0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x~0=28.0] [L127] ~res~0 := #t~ret18; [L127] havoc #t~ret18; [L130] #t~short20 := ~someBinaryFLOATComparisonOperation(~res~0, 0.0); VAL [#NULL!base=0, #NULL!offset=0, #t~short20=false, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~res~0=27.0, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x~0=28.0] [L130] COND FALSE !(#t~short20) VAL [#NULL!base=0, #NULL!offset=0, #t~short20=false, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~res~0=27.0, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x~0=28.0] [L130] COND TRUE !#t~short20 [L130] havoc #t~short20; [L130] havoc #t~ret19; VAL [#NULL!base=0, #NULL!offset=0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~res~0=27.0, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x~0=28.0] [L131] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~#halF_exp~0!base=13, ~#halF_exp~0!offset=0, ~#ln2HI_exp~0!base=30, ~#ln2HI_exp~0!offset=0, ~#ln2LO_exp~0!base=19, ~#ln2LO_exp~0!offset=0, ~huge_exp~0=1.0E30, ~invln2_exp~0=1803368777/1250000000, ~one_exp~0=1.0, ~P1_exp~0=16666667163/100000000000, ~P3_exp~0=6613755977/100000000000000, ~P5_exp~0=20690684721/500000000000000000, ~res~0=27.0, ~twom100_exp~0=39443045261/50000000000000000000000000000000000000000, ~x~0=28.0] [L12-L31] 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)=15, \old(halF_exp)=33, \old(huge_exp)=26, \old(invln2_exp)=11, \old(ln2HI_exp)=31, \old(ln2HI_exp)=9, \old(ln2LO_exp)=32, \old(ln2LO_exp)=18, \old(one_exp)=23, \old(P1_exp)=14, \old(P2_exp)=16, \old(P3_exp)=20, \old(P4_exp)=22, \old(P5_exp)=21, \old(twom100_exp)=10, halF_exp={13:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={30:0}, ln2LO_exp={19:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L126] float x = -1.0f / 0.0f; VAL [halF_exp={13:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={30:0}, ln2LO_exp={19:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L127] CALL, EXPR __ieee754_expf(x) VAL [\old(x)=28, halF_exp={13:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={30:0}, ln2LO_exp={19:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L34] float y, hi, lo, c, t; [L35] __int32_t k = 0, xsb, sx; [L36] __uint32_t hx; VAL [\old(x)=28, halF_exp={13:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={30:0}, ln2LO_exp={19:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=28] [L39] ieee_float_shape_type gf_u; [L40] gf_u.value = (x) [L41] EXPR gf_u.word [L41] (sx) = gf_u.word [L43] xsb = (sx >> 31) & 1 [L44] hx = sx & 0x7fffffff VAL [\old(x)=28, halF_exp={13:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={30:0}, ln2LO_exp={19:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, sx=3, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=28] [L46] COND TRUE ((hx) > 0x7f800000L) [L47] return x + x; VAL [\old(x)=28, halF_exp={13:0}, huge_exp=1000000000000000000000000000000, hx=2139095041, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={30:0}, ln2LO_exp={19:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, sx=3, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=28] [L127] RET, EXPR __ieee754_expf(x) VAL [__ieee754_expf(x)=27, halF_exp={13:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={30:0}, ln2LO_exp={19:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=28] [L127] float res = __ieee754_expf(x); [L130] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [halF_exp={13:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={30:0}, ln2LO_exp={19:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, res=27, res == 0.0f && __signbit_float(res) == 0=0, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=28] [L130] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L131] __VERIFIER_error() VAL [halF_exp={13:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={30:0}, ln2LO_exp={19:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, res=27, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=28] ----- [2018-11-23 13:59:55,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:59:55 BoogieIcfgContainer [2018-11-23 13:59:55,997 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 13:59:55,997 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 13:59:55,997 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 13:59:55,997 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 13:59:55,998 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:59:55" (3/4) ... [2018-11-23 13:59:56,001 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 13:59:56,001 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 13:59:56,002 INFO L168 Benchmark]: Toolchain (without parser) took 958.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -103.5 MB). Peak memory consumption was 33.9 MB. Max. memory is 11.5 GB. [2018-11-23 13:59:56,003 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:59:56,003 INFO L168 Benchmark]: CACSL2BoogieTranslator took 239.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -178.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. [2018-11-23 13:59:56,004 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 13:59:56,004 INFO L168 Benchmark]: Boogie Preprocessor took 25.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 13:59:56,005 INFO L168 Benchmark]: RCFGBuilder took 292.95 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: 29.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 11.5 GB. [2018-11-23 13:59:56,005 INFO L168 Benchmark]: TraceAbstraction took 377.61 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: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2018-11-23 13:59:56,006 INFO L168 Benchmark]: Witness Printer took 4.01 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:59:56,009 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 239.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -178.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 292.95 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: 29.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 377.61 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: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. * Witness Printer took 4.01 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: 131]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 130, overapproximation of someUnaryDOUBLEoperation at line 16, overapproximation of bitwiseAnd at line 43, overapproximation of someBinaryArithmeticFLOAToperation at line 47. Possible FailurePath: [L12-L31] 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)=15, \old(halF_exp)=33, \old(huge_exp)=26, \old(invln2_exp)=11, \old(ln2HI_exp)=31, \old(ln2HI_exp)=9, \old(ln2LO_exp)=32, \old(ln2LO_exp)=18, \old(one_exp)=23, \old(P1_exp)=14, \old(P2_exp)=16, \old(P3_exp)=20, \old(P4_exp)=22, \old(P5_exp)=21, \old(twom100_exp)=10, halF_exp={13:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={30:0}, ln2LO_exp={19:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L126] float x = -1.0f / 0.0f; VAL [halF_exp={13:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={30:0}, ln2LO_exp={19:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L127] CALL, EXPR __ieee754_expf(x) VAL [\old(x)=28, halF_exp={13:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={30:0}, ln2LO_exp={19:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L34] float y, hi, lo, c, t; [L35] __int32_t k = 0, xsb, sx; [L36] __uint32_t hx; VAL [\old(x)=28, halF_exp={13:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={30:0}, ln2LO_exp={19:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=28] [L39] ieee_float_shape_type gf_u; [L40] gf_u.value = (x) [L41] EXPR gf_u.word [L41] (sx) = gf_u.word [L43] xsb = (sx >> 31) & 1 [L44] hx = sx & 0x7fffffff VAL [\old(x)=28, halF_exp={13:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={30:0}, ln2LO_exp={19:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, sx=3, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=28] [L46] COND TRUE ((hx) > 0x7f800000L) [L47] return x + x; VAL [\old(x)=28, halF_exp={13:0}, huge_exp=1000000000000000000000000000000, hx=2139095041, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={30:0}, ln2LO_exp={19:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, sx=3, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=28] [L127] RET, EXPR __ieee754_expf(x) VAL [__ieee754_expf(x)=27, halF_exp={13:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={30:0}, ln2LO_exp={19:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=28] [L127] float res = __ieee754_expf(x); [L130] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [halF_exp={13:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={30:0}, ln2LO_exp={19:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, res=27, res == 0.0f && __signbit_float(res) == 0=0, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=28] [L130] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L131] __VERIFIER_error() VAL [halF_exp={13:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={30:0}, ln2LO_exp={19:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, res=27, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=28] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 54 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 65 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=54occurred 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, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 256 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-aa41828 [2018-11-23 13:59:57,458 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:59:57,459 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:59:57,466 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:59:57,466 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:59:57,467 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:59:57,468 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:59:57,469 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:59:57,470 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:59:57,470 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:59:57,471 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:59:57,471 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:59:57,472 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:59:57,472 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:59:57,473 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:59:57,474 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:59:57,474 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:59:57,476 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:59:57,477 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:59:57,478 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:59:57,479 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:59:57,479 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:59:57,481 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:59:57,481 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:59:57,482 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:59:57,482 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:59:57,483 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:59:57,483 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:59:57,484 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:59:57,485 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:59:57,485 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:59:57,485 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:59:57,486 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:59:57,486 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:59:57,486 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:59:57,487 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:59:57,487 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a1be7933-169a-428b-90ee-0bcde6f24669/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-23 13:59:57,497 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:59:57,497 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:59:57,498 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:59:57,498 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 13:59:57,498 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 13:59:57,498 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 13:59:57,498 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 13:59:57,499 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 13:59:57,499 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 13:59:57,499 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 13:59:57,499 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:59:57,499 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 13:59:57,500 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 13:59:57,500 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:59:57,500 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 13:59:57,500 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:59:57,500 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 13:59:57,500 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 13:59:57,500 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 13:59:57,500 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 13:59:57,501 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:59:57,501 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:59:57,501 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 13:59:57,501 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:59:57,501 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 13:59:57,501 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:59:57,501 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 13:59:57,502 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:59:57,502 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:59:57,502 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:59:57,502 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 13:59:57,502 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 13:59:57,502 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:59:57,502 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 13:59:57,502 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 13:59:57,503 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_a1be7933-169a-428b-90ee-0bcde6f24669/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03f3c06db3ef41593c24334f9583c5e77016ee88 [2018-11-23 13:59:57,531 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:59:57,539 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:59:57,541 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:59:57,542 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:59:57,542 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:59:57,542 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a1be7933-169a-428b-90ee-0bcde6f24669/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0833_true-unreach-call.c [2018-11-23 13:59:57,577 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a1be7933-169a-428b-90ee-0bcde6f24669/bin-2019/utaipan/data/5437c9ab8/f4a7b0efb37348b494f667edc2c4bd98/FLAG066421487 [2018-11-23 13:59:57,971 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:59:57,971 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a1be7933-169a-428b-90ee-0bcde6f24669/sv-benchmarks/c/float-newlib/float_req_bl_0833_true-unreach-call.c [2018-11-23 13:59:57,975 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a1be7933-169a-428b-90ee-0bcde6f24669/bin-2019/utaipan/data/5437c9ab8/f4a7b0efb37348b494f667edc2c4bd98/FLAG066421487 [2018-11-23 13:59:57,985 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a1be7933-169a-428b-90ee-0bcde6f24669/bin-2019/utaipan/data/5437c9ab8/f4a7b0efb37348b494f667edc2c4bd98 [2018-11-23 13:59:57,987 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:59:57,988 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:59:57,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:59:57,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:59:57,991 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:59:57,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:59:57" (1/1) ... [2018-11-23 13:59:57,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c42fe31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:57, skipping insertion in model container [2018-11-23 13:59:57,994 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:59:57" (1/1) ... [2018-11-23 13:59:58,002 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:59:58,020 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:59:58,161 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:59:58,166 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:59:58,193 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:59:58,209 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:59:58,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:58 WrapperNode [2018-11-23 13:59:58,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:59:58,210 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:59:58,210 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:59:58,210 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:59:58,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:58" (1/1) ... [2018-11-23 13:59:58,223 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:58" (1/1) ... [2018-11-23 13:59:58,272 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:59:58,272 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:59:58,272 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:59:58,273 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:59:58,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:58" (1/1) ... [2018-11-23 13:59:58,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:58" (1/1) ... [2018-11-23 13:59:58,282 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:58" (1/1) ... [2018-11-23 13:59:58,282 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:58" (1/1) ... [2018-11-23 13:59:58,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:58" (1/1) ... [2018-11-23 13:59:58,297 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:58" (1/1) ... [2018-11-23 13:59:58,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:58" (1/1) ... [2018-11-23 13:59:58,302 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:59:58,302 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:59:58,303 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:59:58,303 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:59:58,303 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a1be7933-169a-428b-90ee-0bcde6f24669/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:59:58,336 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_expf [2018-11-23 13:59:58,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_expf [2018-11-23 13:59:58,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2018-11-23 13:59:58,336 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 13:59:58,336 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 13:59:58,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-23 13:59:58,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 13:59:58,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 13:59:58,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 13:59:58,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 13:59:58,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:59:58,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:59:58,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-23 13:59:58,337 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-11-23 13:59:58,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-11-23 13:59:58,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 13:59:58,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 13:59:58,448 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 14:00:06,258 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 14:00:06,280 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 14:00:06,403 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 14:00:06,411 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 14:00:06,411 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-11-23 14:00:06,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:00:06 BoogieIcfgContainer [2018-11-23 14:00:06,412 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 14:00:06,413 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 14:00:06,413 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 14:00:06,415 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 14:00:06,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:59:57" (1/3) ... [2018-11-23 14:00:06,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a2a5dcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:00:06, skipping insertion in model container [2018-11-23 14:00:06,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:58" (2/3) ... [2018-11-23 14:00:06,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a2a5dcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:00:06, skipping insertion in model container [2018-11-23 14:00:06,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:00:06" (3/3) ... [2018-11-23 14:00:06,420 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0833_true-unreach-call.c [2018-11-23 14:00:06,426 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 14:00:06,431 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 14:00:06,439 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 14:00:06,456 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 14:00:06,457 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 14:00:06,457 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 14:00:06,457 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 14:00:06,457 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 14:00:06,457 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 14:00:06,457 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 14:00:06,457 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 14:00:06,457 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 14:00:06,467 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states. [2018-11-23 14:00:06,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 14:00:06,470 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:00:06,471 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:00:06,472 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:00:06,475 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:00:06,476 INFO L82 PathProgramCache]: Analyzing trace with hash -282242941, now seen corresponding path program 1 times [2018-11-23 14:00:06,478 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 14:00:06,479 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a1be7933-169a-428b-90ee-0bcde6f24669/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-23 14:00:06,482 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:00:06,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:00:06,590 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:00:06,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:00:06,603 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 14:00:06,615 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:00:06,615 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 14:00:06,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 14:00:06,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 14:00:06,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 14:00:06,632 INFO L87 Difference]: Start difference. First operand 54 states. Second operand 2 states. [2018-11-23 14:00:06,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:00:06,649 INFO L93 Difference]: Finished difference Result 100 states and 149 transitions. [2018-11-23 14:00:06,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 14:00:06,649 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-11-23 14:00:06,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:00:06,658 INFO L225 Difference]: With dead ends: 100 [2018-11-23 14:00:06,658 INFO L226 Difference]: Without dead ends: 50 [2018-11-23 14:00:06,661 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 14:00:06,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-11-23 14:00:06,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-11-23 14:00:06,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-11-23 14:00:06,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 61 transitions. [2018-11-23 14:00:06,689 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 61 transitions. Word has length 17 [2018-11-23 14:00:06,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:00:06,689 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 61 transitions. [2018-11-23 14:00:06,689 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 14:00:06,689 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 61 transitions. [2018-11-23 14:00:06,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 14:00:06,690 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:00:06,690 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:00:06,690 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:00:06,690 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:00:06,690 INFO L82 PathProgramCache]: Analyzing trace with hash 947168922, now seen corresponding path program 1 times [2018-11-23 14:00:06,691 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 14:00:06,691 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a1be7933-169a-428b-90ee-0bcde6f24669/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-11-23 14:00:06,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:00:06,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:00:06,771 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:00:06,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:00:06,867 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 14:00:06,876 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:00:06,876 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 14:00:06,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 14:00:06,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 14:00:06,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 14:00:06,878 INFO L87 Difference]: Start difference. First operand 50 states and 61 transitions. Second operand 7 states. [2018-11-23 14:00:17,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:00:17,880 INFO L93 Difference]: Finished difference Result 68 states and 79 transitions. [2018-11-23 14:00:17,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 14:00:17,933 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2018-11-23 14:00:17,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:00:17,935 INFO L225 Difference]: With dead ends: 68 [2018-11-23 14:00:17,935 INFO L226 Difference]: Without dead ends: 53 [2018-11-23 14:00:17,935 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-23 14:00:17,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-11-23 14:00:17,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 50. [2018-11-23 14:00:17,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-11-23 14:00:17,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 60 transitions. [2018-11-23 14:00:17,940 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 60 transitions. Word has length 18 [2018-11-23 14:00:17,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:00:17,940 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 60 transitions. [2018-11-23 14:00:17,940 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 14:00:17,940 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2018-11-23 14:00:17,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 14:00:17,941 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:00:17,941 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] [2018-11-23 14:00:17,941 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:00:17,941 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:00:17,941 INFO L82 PathProgramCache]: Analyzing trace with hash 413888862, now seen corresponding path program 1 times [2018-11-23 14:00:17,942 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 14:00:17,942 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a1be7933-169a-428b-90ee-0bcde6f24669/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-11-23 14:00:17,945 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:00:18,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:00:18,046 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:00:18,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:00:18,120 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 14:00:18,128 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:00:18,129 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 14:00:18,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 14:00:18,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 14:00:18,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 14:00:18,130 INFO L87 Difference]: Start difference. First operand 50 states and 60 transitions. Second operand 7 states. [2018-11-23 14:00:26,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:00:26,466 INFO L93 Difference]: Finished difference Result 70 states and 80 transitions. [2018-11-23 14:00:26,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 14:00:26,524 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-11-23 14:00:26,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:00:26,525 INFO L225 Difference]: With dead ends: 70 [2018-11-23 14:00:26,525 INFO L226 Difference]: Without dead ends: 55 [2018-11-23 14:00:26,526 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-23 14:00:26,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-11-23 14:00:26,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 50. [2018-11-23 14:00:26,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-11-23 14:00:26,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 57 transitions. [2018-11-23 14:00:26,531 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 57 transitions. Word has length 20 [2018-11-23 14:00:26,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:00:26,531 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 57 transitions. [2018-11-23 14:00:26,531 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 14:00:26,531 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2018-11-23 14:00:26,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 14:00:26,532 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:00:26,532 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] [2018-11-23 14:00:26,532 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:00:26,532 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:00:26,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1852708709, now seen corresponding path program 1 times [2018-11-23 14:00:26,533 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 14:00:26,533 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a1be7933-169a-428b-90ee-0bcde6f24669/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-11-23 14:00:26,535 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:00:26,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:00:26,624 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:00:26,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:00:26,686 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 14:00:26,699 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:00:26,699 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 14:00:26,699 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 14:00:26,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 14:00:26,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 14:00:26,700 INFO L87 Difference]: Start difference. First operand 50 states and 57 transitions. Second operand 7 states. [2018-11-23 14:00:35,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:00:35,270 INFO L93 Difference]: Finished difference Result 69 states and 76 transitions. [2018-11-23 14:00:35,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 14:00:35,325 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2018-11-23 14:00:35,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:00:35,326 INFO L225 Difference]: With dead ends: 69 [2018-11-23 14:00:35,326 INFO L226 Difference]: Without dead ends: 53 [2018-11-23 14:00:35,326 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-23 14:00:35,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-11-23 14:00:35,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 50. [2018-11-23 14:00:35,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-11-23 14:00:35,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 56 transitions. [2018-11-23 14:00:35,331 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 56 transitions. Word has length 21 [2018-11-23 14:00:35,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:00:35,331 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 56 transitions. [2018-11-23 14:00:35,331 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 14:00:35,331 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions. [2018-11-23 14:00:35,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 14:00:35,332 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:00:35,332 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:00:35,332 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:00:35,332 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:00:35,332 INFO L82 PathProgramCache]: Analyzing trace with hash 1043362083, now seen corresponding path program 1 times [2018-11-23 14:00:35,332 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 14:00:35,332 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a1be7933-169a-428b-90ee-0bcde6f24669/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-11-23 14:00:35,336 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:00:35,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:00:35,413 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:00:35,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:00:35,441 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 14:00:35,449 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:00:35,449 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 14:00:35,449 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 14:00:35,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 14:00:35,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 14:00:35,450 INFO L87 Difference]: Start difference. First operand 50 states and 56 transitions. Second operand 6 states. [2018-11-23 14:00:37,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:00:37,734 INFO L93 Difference]: Finished difference Result 57 states and 63 transitions. [2018-11-23 14:00:37,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 14:00:37,734 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2018-11-23 14:00:37,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:00:37,735 INFO L225 Difference]: With dead ends: 57 [2018-11-23 14:00:37,735 INFO L226 Difference]: Without dead ends: 54 [2018-11-23 14:00:37,735 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 14:00:37,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-11-23 14:00:37,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-11-23 14:00:37,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-11-23 14:00:37,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 60 transitions. [2018-11-23 14:00:37,741 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 60 transitions. Word has length 21 [2018-11-23 14:00:37,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:00:37,741 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 60 transitions. [2018-11-23 14:00:37,741 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 14:00:37,741 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 60 transitions. [2018-11-23 14:00:37,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 14:00:37,742 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:00:37,742 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] [2018-11-23 14:00:37,742 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:00:37,742 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:00:37,742 INFO L82 PathProgramCache]: Analyzing trace with hash 2052493881, now seen corresponding path program 1 times [2018-11-23 14:00:37,742 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 14:00:37,743 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a1be7933-169a-428b-90ee-0bcde6f24669/bin-2019/utaipan/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 [2018-11-23 14:00:37,745 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:00:38,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:00:38,445 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:00:38,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:00:38,513 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 14:00:38,530 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:00:38,530 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 14:00:38,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 14:00:38,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 14:00:38,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 14:00:38,531 INFO L87 Difference]: Start difference. First operand 54 states and 60 transitions. Second operand 7 states. [2018-11-23 14:00:50,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:00:50,689 INFO L93 Difference]: Finished difference Result 84 states and 92 transitions. [2018-11-23 14:00:50,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 14:00:50,749 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2018-11-23 14:00:50,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:00:50,750 INFO L225 Difference]: With dead ends: 84 [2018-11-23 14:00:50,750 INFO L226 Difference]: Without dead ends: 52 [2018-11-23 14:00:50,750 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-23 14:00:50,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-11-23 14:00:50,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-11-23 14:00:50,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-11-23 14:00:50,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 55 transitions. [2018-11-23 14:00:50,754 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 55 transitions. Word has length 25 [2018-11-23 14:00:50,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:00:50,754 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 55 transitions. [2018-11-23 14:00:50,754 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 14:00:50,754 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 55 transitions. [2018-11-23 14:00:50,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 14:00:50,754 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:00:50,755 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] [2018-11-23 14:00:50,755 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:00:50,755 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:00:50,755 INFO L82 PathProgramCache]: Analyzing trace with hash -68429369, now seen corresponding path program 1 times [2018-11-23 14:00:50,755 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 14:00:50,755 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a1be7933-169a-428b-90ee-0bcde6f24669/bin-2019/utaipan/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 [2018-11-23 14:00:50,758 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:00:51,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:00:51,695 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:00:51,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:00:51,754 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 14:00:51,779 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:00:51,779 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 14:00:51,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 14:00:51,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 14:00:51,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 14:00:51,779 INFO L87 Difference]: Start difference. First operand 52 states and 55 transitions. Second operand 7 states. [2018-11-23 14:00:59,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:00:59,656 INFO L93 Difference]: Finished difference Result 63 states and 65 transitions. [2018-11-23 14:00:59,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 14:00:59,713 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2018-11-23 14:00:59,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:00:59,714 INFO L225 Difference]: With dead ends: 63 [2018-11-23 14:00:59,714 INFO L226 Difference]: Without dead ends: 30 [2018-11-23 14:00:59,714 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-23 14:00:59,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-11-23 14:00:59,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2018-11-23 14:00:59,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-11-23 14:00:59,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 29 transitions. [2018-11-23 14:00:59,717 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 29 transitions. Word has length 26 [2018-11-23 14:00:59,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:00:59,717 INFO L480 AbstractCegarLoop]: Abstraction has 30 states and 29 transitions. [2018-11-23 14:00:59,717 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 14:00:59,718 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 29 transitions. [2018-11-23 14:00:59,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 14:00:59,718 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:00:59,718 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] [2018-11-23 14:00:59,718 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:00:59,719 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:00:59,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1730002734, now seen corresponding path program 1 times [2018-11-23 14:00:59,719 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 14:00:59,719 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a1be7933-169a-428b-90ee-0bcde6f24669/bin-2019/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-11-23 14:00:59,721 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:00:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:00:59,816 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:00:59,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:00:59,930 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 14:00:59,937 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:00:59,938 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-23 14:00:59,938 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 14:00:59,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 14:00:59,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-11-23 14:00:59,938 INFO L87 Difference]: Start difference. First operand 30 states and 29 transitions. Second operand 11 states. [2018-11-23 14:01:00,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:01:00,188 INFO L93 Difference]: Finished difference Result 30 states and 29 transitions. [2018-11-23 14:01:00,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 14:01:00,189 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 29 [2018-11-23 14:01:00,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:01:00,189 INFO L225 Difference]: With dead ends: 30 [2018-11-23 14:01:00,189 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 14:01:00,189 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2018-11-23 14:01:00,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 14:01:00,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 14:01:00,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 14:01:00,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 14:01:00,190 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2018-11-23 14:01:00,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:01:00,190 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 14:01:00,190 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 14:01:00,190 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 14:01:00,190 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 14:01:00,193 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 14:01:00,248 INFO L448 ceAbstractionStarter]: For program point L52(lines 52 53) no Hoare annotation was computed. [2018-11-23 14:01:00,249 INFO L448 ceAbstractionStarter]: For program point L94-1(lines 94 98) no Hoare annotation was computed. [2018-11-23 14:01:00,249 INFO L444 ceAbstractionStarter]: At program point L94-2(lines 94 98) the Hoare annotation is: (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) __ieee754_expf_~sx~0) (_ bv2155872256 32)) (_ bv0 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|))) [2018-11-23 14:01:00,249 INFO L448 ceAbstractionStarter]: For program point L86(lines 86 90) no Hoare annotation was computed. [2018-11-23 14:01:00,249 INFO L448 ceAbstractionStarter]: For program point L86-1(lines 79 92) no Hoare annotation was computed. [2018-11-23 14:01:00,249 INFO L448 ceAbstractionStarter]: For program point L86-2(lines 86 90) no Hoare annotation was computed. [2018-11-23 14:01:00,249 INFO L448 ceAbstractionStarter]: For program point __ieee754_expfEXIT(lines 33 106) no Hoare annotation was computed. [2018-11-23 14:01:00,249 INFO L448 ceAbstractionStarter]: For program point L79(lines 79 105) no Hoare annotation was computed. [2018-11-23 14:01:00,249 INFO L448 ceAbstractionStarter]: For program point L46(lines 46 47) no Hoare annotation was computed. [2018-11-23 14:01:00,249 INFO L448 ceAbstractionStarter]: For program point L38-1(lines 38 42) no Hoare annotation was computed. [2018-11-23 14:01:00,249 INFO L444 ceAbstractionStarter]: At program point L38-2(lines 38 42) the Hoare annotation is: (= |__ieee754_expf_#in~x| __ieee754_expf_~x) [2018-11-23 14:01:00,249 INFO L448 ceAbstractionStarter]: For program point L38-3(lines 38 42) no Hoare annotation was computed. [2018-11-23 14:01:00,250 INFO L451 ceAbstractionStarter]: At program point __ieee754_expfENTRY(lines 33 106) the Hoare annotation is: true [2018-11-23 14:01:00,250 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 70) no Hoare annotation was computed. [2018-11-23 14:01:00,250 INFO L448 ceAbstractionStarter]: For program point __ieee754_expfFINAL(lines 33 106) no Hoare annotation was computed. [2018-11-23 14:01:00,250 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 65) no Hoare annotation was computed. [2018-11-23 14:01:00,250 INFO L448 ceAbstractionStarter]: For program point L56-2(lines 56 65) no Hoare annotation was computed. [2018-11-23 14:01:00,250 INFO L448 ceAbstractionStarter]: For program point L48(lines 48 49) no Hoare annotation was computed. [2018-11-23 14:01:00,250 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 81 85) no Hoare annotation was computed. [2018-11-23 14:01:00,250 INFO L444 ceAbstractionStarter]: At program point L81-2(lines 81 85) the Hoare annotation is: (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) __ieee754_expf_~sx~0) (_ bv2155872256 32)) (_ bv0 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|))) [2018-11-23 14:01:00,250 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-23 14:01:00,250 INFO L448 ceAbstractionStarter]: For program point L49-2(line 49) no Hoare annotation was computed. [2018-11-23 14:01:00,250 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 103) no Hoare annotation was computed. [2018-11-23 14:01:00,250 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 92 105) no Hoare annotation was computed. [2018-11-23 14:01:00,250 INFO L448 ceAbstractionStarter]: For program point L99-2(lines 99 103) no Hoare annotation was computed. [2018-11-23 14:01:00,251 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 51) no Hoare annotation was computed. [2018-11-23 14:01:00,251 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 78) no Hoare annotation was computed. [2018-11-23 14:01:00,251 INFO L448 ceAbstractionStarter]: For program point L67(lines 67 70) no Hoare annotation was computed. [2018-11-23 14:01:00,251 INFO L448 ceAbstractionStarter]: For program point L67-2(lines 55 70) no Hoare annotation was computed. [2018-11-23 14:01:00,251 INFO L448 ceAbstractionStarter]: For program point L68(lines 68 69) no Hoare annotation was computed. [2018-11-23 14:01:00,251 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 14:01:00,251 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 14:01:00,251 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 14:01:00,251 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 14:01:00,251 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 14:01:00,251 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 14:01:00,251 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 14:01:00,251 INFO L444 ceAbstractionStarter]: At program point L130-1(line 130) the Hoare annotation is: (and (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) main_~res~0) (= main_~x~0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24))) |main_#t~short20|) [2018-11-23 14:01:00,251 INFO L448 ceAbstractionStarter]: For program point L130-2(line 130) no Hoare annotation was computed. [2018-11-23 14:01:00,252 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24))) [2018-11-23 14:01:00,252 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 131) no Hoare annotation was computed. [2018-11-23 14:01:00,252 INFO L448 ceAbstractionStarter]: For program point L127-1(line 127) no Hoare annotation was computed. [2018-11-23 14:01:00,252 INFO L448 ceAbstractionStarter]: For program point L130-4(lines 130 133) no Hoare annotation was computed. [2018-11-23 14:01:00,252 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 120 136) the Hoare annotation is: true [2018-11-23 14:01:00,252 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 120 136) no Hoare annotation was computed. [2018-11-23 14:01:00,252 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 120 136) no Hoare annotation was computed. [2018-11-23 14:01:00,252 INFO L448 ceAbstractionStarter]: For program point L131(line 131) no Hoare annotation was computed. [2018-11-23 14:01:00,252 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-23 14:01:00,252 INFO L448 ceAbstractionStarter]: For program point __signbit_floatFINAL(lines 108 118) no Hoare annotation was computed. [2018-11-23 14:01:00,252 INFO L451 ceAbstractionStarter]: At program point __signbit_floatENTRY(lines 108 118) the Hoare annotation is: true [2018-11-23 14:01:00,252 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 111 115) no Hoare annotation was computed. [2018-11-23 14:01:00,252 INFO L444 ceAbstractionStarter]: At program point L111-2(lines 111 115) the Hoare annotation is: (= |__signbit_float_#in~x| __signbit_float_~x) [2018-11-23 14:01:00,253 INFO L448 ceAbstractionStarter]: For program point L111-3(lines 111 115) no Hoare annotation was computed. [2018-11-23 14:01:00,253 INFO L448 ceAbstractionStarter]: For program point __signbit_floatEXIT(lines 108 118) no Hoare annotation was computed. [2018-11-23 14:01:00,256 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-23 14:01:00,257 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-23 14:01:00,257 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-23 14:01:00,257 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-23 14:01:00,262 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-23 14:01:00,262 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-23 14:01:00,262 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-23 14:01:00,262 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-23 14:01:00,263 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-23 14:01:00,263 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-23 14:01:00,264 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-23 14:01:00,264 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-23 14:01:00,264 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-23 14:01:00,264 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-23 14:01:00,264 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-23 14:01:00,264 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-23 14:01:00,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:01:00 BoogieIcfgContainer [2018-11-23 14:01:00,266 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 14:01:00,266 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 14:01:00,266 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 14:01:00,266 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 14:01:00,267 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:00:06" (3/4) ... [2018-11-23 14:01:00,269 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 14:01:00,273 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_expf [2018-11-23 14:01:00,273 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 14:01:00,273 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 14:01:00,273 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_float [2018-11-23 14:01:00,277 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2018-11-23 14:01:00,277 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2018-11-23 14:01:00,278 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-23 14:01:00,278 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 14:01:00,278 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 14:01:00,297 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-23 14:01:00,297 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-23 14:01:00,298 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists __ieee754_expf_~sx~0 : bv32 :: !(~bvadd64(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 2155872256bv32) == 0bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) [2018-11-23 14:01:00,298 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists __ieee754_expf_~sx~0 : bv32 :: !(~bvadd64(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 2155872256bv32) == 0bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) [2018-11-23 14:01:00,323 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a1be7933-169a-428b-90ee-0bcde6f24669/bin-2019/utaipan/witness.graphml [2018-11-23 14:01:00,323 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 14:01:00,324 INFO L168 Benchmark]: Toolchain (without parser) took 62336.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 194.0 MB). Free memory was 950.8 MB in the beginning and 1.2 GB in the end (delta: -209.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:01:00,325 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:01:00,325 INFO L168 Benchmark]: CACSL2BoogieTranslator took 221.80 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 14:01:00,325 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -186.6 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2018-11-23 14:01:00,326 INFO L168 Benchmark]: Boogie Preprocessor took 29.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:01:00,326 INFO L168 Benchmark]: RCFGBuilder took 8109.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 11.5 GB. [2018-11-23 14:01:00,326 INFO L168 Benchmark]: TraceAbstraction took 53853.21 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 60.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -91.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:01:00,327 INFO L168 Benchmark]: Witness Printer took 57.25 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-11-23 14:01:00,328 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 221.80 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 61.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -186.6 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 8109.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 53853.21 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 60.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -91.0 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 57.25 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: 7.1 MB). Peak memory consumption was 7.1 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 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] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 131]: 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: 81]: Loop Invariant [2018-11-23 14:01:00,331 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-23 14:01:00,331 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-23 14:01:00,332 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-23 14:01:00,332 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-23 14:01:00,332 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-23 14:01:00,332 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-23 14:01:00,332 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-23 14:01:00,332 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] Derived loop invariant: (\exists __ieee754_expf_~sx~0 : bv32 :: !(~bvadd64(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 2155872256bv32) == 0bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 94]: Loop Invariant [2018-11-23 14:01:00,333 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-23 14:01:00,333 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-23 14:01:00,333 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-23 14:01:00,333 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-23 14:01:00,333 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-23 14:01:00,334 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-23 14:01:00,334 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-23 14:01:00,334 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] Derived loop invariant: (\exists __ieee754_expf_~sx~0 : bv32 :: !(~bvadd64(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 2155872256bv32) == 0bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 54 locations, 1 error locations. SAFE Result, 53.8s OverallTime, 8 OverallIterations, 1 TraceHistogramMax, 50.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 346 SDtfs, 345 SDslu, 1229 SDs, 0 SdLazy, 323 SolverSat, 6 SolverUnsat, 16 SolverUnknown, 0 SolverNotchecked, 48.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 192 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred 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, 8 MinimizatonAttempts, 11 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 24 PreInvPairs, 29 NumberOfFragments, 75 HoareAnnotationTreeSize, 24 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 177 NumberOfCodeBlocks, 177 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 169 ConstructedInterpolants, 37 QuantifiedInterpolants, 23662 SizeOfPredicates, 25 NumberOfNonLiveVariables, 901 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...