./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0740_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_7e5628b2-df1b-4be5-8185-47b214ad848c/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7e5628b2-df1b-4be5-8185-47b214ad848c/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7e5628b2-df1b-4be5-8185-47b214ad848c/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7e5628b2-df1b-4be5-8185-47b214ad848c/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0740_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7e5628b2-df1b-4be5-8185-47b214ad848c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7e5628b2-df1b-4be5-8185-47b214ad848c/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 1ba5abe06d07a4712bf40ef71e353712c0bd3c97 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_7e5628b2-df1b-4be5-8185-47b214ad848c/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7e5628b2-df1b-4be5-8185-47b214ad848c/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7e5628b2-df1b-4be5-8185-47b214ad848c/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7e5628b2-df1b-4be5-8185-47b214ad848c/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0740_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7e5628b2-df1b-4be5-8185-47b214ad848c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7e5628b2-df1b-4be5-8185-47b214ad848c/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 1ba5abe06d07a4712bf40ef71e353712c0bd3c97 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:38:29,273 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 02:38:29,274 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 02:38:29,282 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 02:38:29,282 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 02:38:29,283 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 02:38:29,284 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 02:38:29,285 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 02:38:29,286 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 02:38:29,287 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 02:38:29,288 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 02:38:29,288 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 02:38:29,288 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 02:38:29,289 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 02:38:29,290 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 02:38:29,290 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 02:38:29,291 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 02:38:29,292 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 02:38:29,294 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 02:38:29,295 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 02:38:29,296 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 02:38:29,297 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 02:38:29,299 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 02:38:29,299 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 02:38:29,299 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 02:38:29,300 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 02:38:29,300 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 02:38:29,301 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 02:38:29,302 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 02:38:29,302 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 02:38:29,303 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 02:38:29,303 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 02:38:29,303 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 02:38:29,304 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 02:38:29,304 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 02:38:29,305 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 02:38:29,305 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7e5628b2-df1b-4be5-8185-47b214ad848c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 02:38:29,312 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 02:38:29,312 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 02:38:29,313 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 02:38:29,313 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 02:38:29,313 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 02:38:29,313 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 02:38:29,313 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 02:38:29,313 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 02:38:29,314 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 02:38:29,314 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 02:38:29,314 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 02:38:29,314 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 02:38:29,314 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 02:38:29,314 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 02:38:29,315 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 02:38:29,315 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 02:38:29,315 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 02:38:29,315 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 02:38:29,315 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 02:38:29,315 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 02:38:29,315 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 02:38:29,316 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 02:38:29,316 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 02:38:29,316 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 02:38:29,316 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 02:38:29,316 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 02:38:29,316 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 02:38:29,316 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 02:38:29,317 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 02:38:29,317 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 02:38:29,317 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 02:38:29,317 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 02:38:29,317 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 02:38:29,317 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 02:38:29,317 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 02:38:29,318 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 02:38:29,318 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 02:38:29,318 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_7e5628b2-df1b-4be5-8185-47b214ad848c/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 -> 1ba5abe06d07a4712bf40ef71e353712c0bd3c97 [2018-11-23 02:38:29,343 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 02:38:29,352 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 02:38:29,355 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 02:38:29,356 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 02:38:29,356 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 02:38:29,357 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7e5628b2-df1b-4be5-8185-47b214ad848c/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0740_true-unreach-call.c [2018-11-23 02:38:29,402 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7e5628b2-df1b-4be5-8185-47b214ad848c/bin-2019/utaipan/data/7711f840e/2516d97c9c944325bcecb4b53cd15262/FLAG3e6d99e97 [2018-11-23 02:38:29,734 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 02:38:29,734 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7e5628b2-df1b-4be5-8185-47b214ad848c/sv-benchmarks/c/float-newlib/float_req_bl_0740_true-unreach-call.c [2018-11-23 02:38:29,740 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7e5628b2-df1b-4be5-8185-47b214ad848c/bin-2019/utaipan/data/7711f840e/2516d97c9c944325bcecb4b53cd15262/FLAG3e6d99e97 [2018-11-23 02:38:30,161 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7e5628b2-df1b-4be5-8185-47b214ad848c/bin-2019/utaipan/data/7711f840e/2516d97c9c944325bcecb4b53cd15262 [2018-11-23 02:38:30,164 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 02:38:30,165 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 02:38:30,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 02:38:30,166 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 02:38:30,168 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 02:38:30,169 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:38:30" (1/1) ... [2018-11-23 02:38:30,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@301a57e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:30, skipping insertion in model container [2018-11-23 02:38:30,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:38:30" (1/1) ... [2018-11-23 02:38:30,178 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 02:38:30,194 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 02:38:30,317 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:38:30,319 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 02:38:30,336 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:38:30,349 INFO L195 MainTranslator]: Completed translation [2018-11-23 02:38:30,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:30 WrapperNode [2018-11-23 02:38:30,349 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 02:38:30,350 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 02:38:30,350 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 02:38:30,350 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 02:38:30,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:30" (1/1) ... [2018-11-23 02:38:30,360 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:30" (1/1) ... [2018-11-23 02:38:30,365 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 02:38:30,365 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 02:38:30,365 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 02:38:30,365 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 02:38:30,410 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:30" (1/1) ... [2018-11-23 02:38:30,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:30" (1/1) ... [2018-11-23 02:38:30,412 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:30" (1/1) ... [2018-11-23 02:38:30,412 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:30" (1/1) ... [2018-11-23 02:38:30,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:30" (1/1) ... [2018-11-23 02:38:30,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:30" (1/1) ... [2018-11-23 02:38:30,426 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:30" (1/1) ... [2018-11-23 02:38:30,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 02:38:30,429 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 02:38:30,429 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 02:38:30,429 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 02:38:30,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7e5628b2-df1b-4be5-8185-47b214ad848c/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 02:38:30,462 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 02:38:30,462 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 02:38:30,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-23 02:38:30,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 02:38:30,462 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-23 02:38:30,462 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-23 02:38:30,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 02:38:30,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 02:38:30,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-23 02:38:30,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 02:38:30,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 02:38:30,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 02:38:30,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 02:38:30,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 02:38:30,464 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-23 02:38:30,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-23 02:38:30,658 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 02:38:30,658 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-23 02:38:30,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:38:30 BoogieIcfgContainer [2018-11-23 02:38:30,658 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 02:38:30,659 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 02:38:30,659 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 02:38:30,661 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 02:38:30,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:38:30" (1/3) ... [2018-11-23 02:38:30,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70a40d7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:38:30, skipping insertion in model container [2018-11-23 02:38:30,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:30" (2/3) ... [2018-11-23 02:38:30,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70a40d7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:38:30, skipping insertion in model container [2018-11-23 02:38:30,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:38:30" (3/3) ... [2018-11-23 02:38:30,663 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0740_true-unreach-call.c [2018-11-23 02:38:30,669 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 02:38:30,675 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 02:38:30,688 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 02:38:30,714 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 02:38:30,714 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 02:38:30,714 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 02:38:30,714 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 02:38:30,714 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 02:38:30,714 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 02:38:30,714 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 02:38:30,714 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 02:38:30,724 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2018-11-23 02:38:30,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 02:38:30,728 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:38:30,728 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 02:38:30,730 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:38:30,733 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:38:30,733 INFO L82 PathProgramCache]: Analyzing trace with hash 2075828111, now seen corresponding path program 1 times [2018-11-23 02:38:30,734 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:38:30,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:38:30,771 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:38:30,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:38:30,771 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:38:30,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:38:30,829 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 02:38:30,831 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:38:30,831 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 02:38:30,831 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:38:30,835 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 02:38:30,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 02:38:30,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 02:38:30,848 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 2 states. [2018-11-23 02:38:30,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:38:30,865 INFO L93 Difference]: Finished difference Result 84 states and 118 transitions. [2018-11-23 02:38:30,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 02:38:30,866 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-11-23 02:38:30,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:38:30,874 INFO L225 Difference]: With dead ends: 84 [2018-11-23 02:38:30,874 INFO L226 Difference]: Without dead ends: 42 [2018-11-23 02:38:30,876 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 02:38:30,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-11-23 02:38:30,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-11-23 02:38:30,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-11-23 02:38:30,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 52 transitions. [2018-11-23 02:38:30,901 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 52 transitions. Word has length 21 [2018-11-23 02:38:30,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:38:30,902 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 52 transitions. [2018-11-23 02:38:30,902 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 02:38:30,902 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2018-11-23 02:38:30,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 02:38:30,903 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:38:30,903 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:38:30,903 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:38:30,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:38:30,904 INFO L82 PathProgramCache]: Analyzing trace with hash 768569323, now seen corresponding path program 1 times [2018-11-23 02:38:30,904 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:38:30,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:38:30,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:38:30,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:38:30,905 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:38:30,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 02:38:30,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 02:38:30,956 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); VAL [|#NULL.base|=6442450952, |#NULL.offset|=6442450945, |old(#NULL.base)|=6442450952, |old(#NULL.offset)|=6442450945, |old(~one_sqrt~0)|=6442450949.0, |old(~tiny_sqrt~0)|=6442450946.0, ~one_sqrt~0=6442450949.0, ~tiny_sqrt~0=6442450946.0] [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~one_sqrt~0 := 1.0;~tiny_sqrt~0 := 1.0E-30; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=6442450952, |old(#NULL.offset)|=6442450945, |old(~one_sqrt~0)|=6442450949.0, |old(~tiny_sqrt~0)|=6442450946.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] assume true; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=6442450952, |old(#NULL.offset)|=6442450945, |old(~one_sqrt~0)|=6442450949.0, |old(~tiny_sqrt~0)|=6442450946.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] RET #126#return; VAL [|#NULL.base|=0, |#NULL.offset|=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] CALL call #t~ret7 := main(); VAL [|#NULL.base|=0, |#NULL.offset|=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] ~x~0 := ~someBinaryArithmeticFLOAToperation(~someUnaryFLOAToperation(1.0), 0.0); VAL [|#NULL.base|=0, |#NULL.offset|=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] CALL call #t~ret5 := __ieee754_sqrtf(~x~0); VAL [|#NULL.base|=0, |#NULL.offset|=0, |__ieee754_sqrtf_#in~x|=6442450947.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] ~x := #in~x;havoc ~z~0;havoc ~r~0;havoc ~hx~0;havoc ~ix~0;havoc ~s~0;havoc ~q~0;havoc ~m~0;havoc ~t~0;havoc ~i~0; VAL [__ieee754_sqrtf_~x=6442450947.0, |#NULL.base|=0, |#NULL.offset|=0, |__ieee754_sqrtf_#in~x|=6442450947.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] 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);~ix~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_sqrtf_~ix~0=(- 2147483648), __ieee754_sqrtf_~x=6442450947.0, |#NULL.base|=0, |#NULL.offset|=0, |__ieee754_sqrtf_#in~x|=6442450947.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] goto; VAL [__ieee754_sqrtf_~ix~0=(- 2147483648), __ieee754_sqrtf_~x=6442450947.0, |#NULL.base|=0, |#NULL.offset|=0, |__ieee754_sqrtf_#in~x|=6442450947.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] ~hx~0 := ~bitwiseAnd(~ix~0, 2147483647); VAL [__ieee754_sqrtf_~ix~0=(- 2147483648), __ieee754_sqrtf_~x=6442450947.0, |#NULL.base|=0, |#NULL.offset|=0, |__ieee754_sqrtf_#in~x|=6442450947.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] assume !(~hx~0 % 4294967296 < 2139095040);#res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~x), ~x); VAL [__ieee754_sqrtf_~hx~0=2139095040, __ieee754_sqrtf_~ix~0=(- 2147483648), __ieee754_sqrtf_~x=6442450947.0, |#NULL.base|=0, |#NULL.offset|=0, |__ieee754_sqrtf_#in~x|=6442450947.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] assume true; VAL [__ieee754_sqrtf_~hx~0=2139095040, __ieee754_sqrtf_~ix~0=(- 2147483648), __ieee754_sqrtf_~x=6442450947.0, |#NULL.base|=0, |#NULL.offset|=0, |__ieee754_sqrtf_#in~x|=6442450947.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] RET #130#return; VAL [main_~x~0=6442450947.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~ret5|=6442450948.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] ~res~0 := #t~ret5;havoc #t~ret5; VAL [main_~res~0=6442450948.0, main_~x~0=6442450947.0, |#NULL.base|=0, |#NULL.offset|=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] CALL call #t~ret6 := isnan_float(~res~0); VAL [|#NULL.base|=0, |#NULL.offset|=0, |isnan_float_#in~x|=6442450948.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] ~x := #in~x;#res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [isnan_float_~x=6442450948.0, |#NULL.base|=0, |#NULL.offset|=0, |isnan_float_#in~x|=6442450948.0, |isnan_float_#res|=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] assume true; VAL [isnan_float_~x=6442450948.0, |#NULL.base|=0, |#NULL.offset|=0, |isnan_float_#in~x|=6442450948.0, |isnan_float_#res|=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] RET #132#return; VAL [main_~res~0=6442450948.0, main_~x~0=6442450947.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~ret6|=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; VAL [main_~res~0=6442450948.0, main_~x~0=6442450947.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~ret6|=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] assume 0 == #t~ret6;havoc #t~ret6; VAL [main_~res~0=6442450948.0, main_~x~0=6442450947.0, |#NULL.base|=0, |#NULL.offset|=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] assume !false; VAL [main_~res~0=6442450948.0, main_~x~0=6442450947.0, |#NULL.base|=0, |#NULL.offset|=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] CALL call ULTIMATE.init(); VAL [#NULL.base=6442450952, #NULL.offset=6442450945, old(#NULL.base)=6442450952, old(#NULL.offset)=6442450945, old(~one_sqrt~0)=6.442450949E9, old(~tiny_sqrt~0)=6.442450946E9, ~one_sqrt~0=6.442450949E9, ~tiny_sqrt~0=6.442450946E9] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L15] ~one_sqrt~0 := 1.0; [L15] ~tiny_sqrt~0 := 1.0E-30; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450952, old(#NULL.offset)=6442450945, old(~one_sqrt~0)=6.442450949E9, old(~tiny_sqrt~0)=6.442450946E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450952, old(#NULL.offset)=6442450945, old(~one_sqrt~0)=6.442450949E9, old(~tiny_sqrt~0)=6.442450946E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] CALL call #t~ret7 := main(); VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L91] ~x~0 := ~someBinaryArithmeticFLOAToperation(~someUnaryFLOAToperation(1.0), 0.0); VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L93] CALL call #t~ret5 := __ieee754_sqrtf(~x~0); VAL [#in~x=6.442450947E9, #NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L17-L82] ~x := #in~x; [L18] havoc ~z~0; [L19] havoc ~r~0; [L19] havoc ~hx~0; [L20] havoc ~ix~0; [L20] havoc ~s~0; [L20] havoc ~q~0; [L20] havoc ~m~0; [L20] havoc ~t~0; [L20] havoc ~i~0; VAL [#in~x=6.442450947E9, #NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L23] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4); [L24] call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L25] call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); [L25] ~ix~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L25] call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L25] havoc #t~union1; [L25] havoc #t~mem0; [L23] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L23] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=6.442450947E9, #NULL.base=0, #NULL.offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L27] ~hx~0 := ~bitwiseAnd(~ix~0, 2147483647); VAL [#in~x=6.442450947E9, #NULL.base=0, #NULL.offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L29-L30] assume !(~hx~0 % 4294967296 < 2139095040); [L30] #res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~x), ~x); VAL [#in~x=6.442450947E9, #NULL.base=0, #NULL.offset=0, ~hx~0=2139095040, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L17-L82] ensures true; VAL [#in~x=6.442450947E9, #NULL.base=0, #NULL.offset=0, ~hx~0=2139095040, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L93] RET call #t~ret5 := __ieee754_sqrtf(~x~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret5=6.442450948E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L93] ~res~0 := #t~ret5; [L93] havoc #t~ret5; VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L96] CALL call #t~ret6 := isnan_float(~res~0); VAL [#in~x=6.442450948E9, #NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L13] ~x := #in~x; [L13] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450948E9, #NULL.base=0, #NULL.offset=0, #res=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450948E9] [L13] ensures true; VAL [#in~x=6.442450948E9, #NULL.base=0, #NULL.offset=0, #res=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450948E9] [L96] RET call #t~ret6 := isnan_float(~res~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret6=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L96] assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~ret6=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L96-L99] assume 0 == #t~ret6; [L96] havoc #t~ret6; VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L97] assert false; VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL.base=6442450952, #NULL.offset=6442450945, old(#NULL.base)=6442450952, old(#NULL.offset)=6442450945, old(~one_sqrt~0)=6.442450949E9, old(~tiny_sqrt~0)=6.442450946E9, ~one_sqrt~0=6.442450949E9, ~tiny_sqrt~0=6.442450946E9] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L15] ~one_sqrt~0 := 1.0; [L15] ~tiny_sqrt~0 := 1.0E-30; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450952, old(#NULL.offset)=6442450945, old(~one_sqrt~0)=6.442450949E9, old(~tiny_sqrt~0)=6.442450946E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450952, old(#NULL.offset)=6442450945, old(~one_sqrt~0)=6.442450949E9, old(~tiny_sqrt~0)=6.442450946E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] CALL call #t~ret7 := main(); VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L91] ~x~0 := ~someBinaryArithmeticFLOAToperation(~someUnaryFLOAToperation(1.0), 0.0); VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L93] CALL call #t~ret5 := __ieee754_sqrtf(~x~0); VAL [#in~x=6.442450947E9, #NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L17-L82] ~x := #in~x; [L18] havoc ~z~0; [L19] havoc ~r~0; [L19] havoc ~hx~0; [L20] havoc ~ix~0; [L20] havoc ~s~0; [L20] havoc ~q~0; [L20] havoc ~m~0; [L20] havoc ~t~0; [L20] havoc ~i~0; VAL [#in~x=6.442450947E9, #NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L23] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4); [L24] call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L25] call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); [L25] ~ix~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L25] call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L25] havoc #t~union1; [L25] havoc #t~mem0; [L23] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L23] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=6.442450947E9, #NULL.base=0, #NULL.offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L27] ~hx~0 := ~bitwiseAnd(~ix~0, 2147483647); VAL [#in~x=6.442450947E9, #NULL.base=0, #NULL.offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L29-L30] assume !(~hx~0 % 4294967296 < 2139095040); [L30] #res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~x), ~x); VAL [#in~x=6.442450947E9, #NULL.base=0, #NULL.offset=0, ~hx~0=2139095040, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L17-L82] ensures true; VAL [#in~x=6.442450947E9, #NULL.base=0, #NULL.offset=0, ~hx~0=2139095040, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L93] RET call #t~ret5 := __ieee754_sqrtf(~x~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret5=6.442450948E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L93] ~res~0 := #t~ret5; [L93] havoc #t~ret5; VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L96] CALL call #t~ret6 := isnan_float(~res~0); VAL [#in~x=6.442450948E9, #NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L13] ~x := #in~x; [L13] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450948E9, #NULL.base=0, #NULL.offset=0, #res=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450948E9] [L13] ensures true; VAL [#in~x=6.442450948E9, #NULL.base=0, #NULL.offset=0, #res=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450948E9] [L96] RET call #t~ret6 := isnan_float(~res~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret6=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L96] assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~ret6=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L96-L99] assume 0 == #t~ret6; [L96] havoc #t~ret6; VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L97] assert false; VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450952, #NULL!offset=6442450945, old(#NULL!base)=6442450952, old(#NULL!offset)=6442450945, old(~one_sqrt~0)=6.442450949E9, old(~tiny_sqrt~0)=6.442450946E9, ~one_sqrt~0=6.442450949E9, ~tiny_sqrt~0=6.442450946E9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L15] ~one_sqrt~0 := 1.0; [L15] ~tiny_sqrt~0 := 1.0E-30; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450952, old(#NULL!offset)=6442450945, old(~one_sqrt~0)=6.442450949E9, old(~tiny_sqrt~0)=6.442450946E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] CALL call #t~ret7 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L91] ~x~0 := ~someBinaryArithmeticFLOAToperation(~someUnaryFLOAToperation(1.0), 0.0); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L93] CALL call #t~ret5 := __ieee754_sqrtf(~x~0); VAL [#in~x=6.442450947E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L17-L82] ~x := #in~x; [L18] havoc ~z~0; [L19] havoc ~r~0; [L19] havoc ~hx~0; [L20] havoc ~ix~0; [L20] havoc ~s~0; [L20] havoc ~q~0; [L20] havoc ~m~0; [L20] havoc ~t~0; [L20] havoc ~i~0; VAL [#in~x=6.442450947E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L23] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L24] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] ~ix~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L25] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] havoc #t~union1; [L25] havoc #t~mem0; [L23] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L23] havoc ~#gf_u~0; VAL [#in~x=6.442450947E9, #NULL!base=0, #NULL!offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L27] ~hx~0 := ~bitwiseAnd(~ix~0, 2147483647); VAL [#in~x=6.442450947E9, #NULL!base=0, #NULL!offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L29] COND TRUE !(~hx~0 % 4294967296 < 2139095040) [L30] #res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~x), ~x); VAL [#in~x=6.442450947E9, #NULL!base=0, #NULL!offset=0, ~hx~0=2139095040, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L93] RET call #t~ret5 := __ieee754_sqrtf(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret5=6.442450948E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L93] ~res~0 := #t~ret5; [L93] havoc #t~ret5; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L96] CALL call #t~ret6 := isnan_float(~res~0); VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L13] ~x := #in~x; [L13] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, #res=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450948E9] [L96] RET call #t~ret6 := isnan_float(~res~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret6=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L96] assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~ret6=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L96] COND TRUE 0 == #t~ret6 [L96] havoc #t~ret6; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L97] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450952, #NULL!offset=6442450945, old(#NULL!base)=6442450952, old(#NULL!offset)=6442450945, old(~one_sqrt~0)=6.442450949E9, old(~tiny_sqrt~0)=6.442450946E9, ~one_sqrt~0=6.442450949E9, ~tiny_sqrt~0=6.442450946E9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L15] ~one_sqrt~0 := 1.0; [L15] ~tiny_sqrt~0 := 1.0E-30; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450952, old(#NULL!offset)=6442450945, old(~one_sqrt~0)=6.442450949E9, old(~tiny_sqrt~0)=6.442450946E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] CALL call #t~ret7 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L91] ~x~0 := ~someBinaryArithmeticFLOAToperation(~someUnaryFLOAToperation(1.0), 0.0); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L93] CALL call #t~ret5 := __ieee754_sqrtf(~x~0); VAL [#in~x=6.442450947E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L17-L82] ~x := #in~x; [L18] havoc ~z~0; [L19] havoc ~r~0; [L19] havoc ~hx~0; [L20] havoc ~ix~0; [L20] havoc ~s~0; [L20] havoc ~q~0; [L20] havoc ~m~0; [L20] havoc ~t~0; [L20] havoc ~i~0; VAL [#in~x=6.442450947E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L23] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L24] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] ~ix~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L25] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] havoc #t~union1; [L25] havoc #t~mem0; [L23] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L23] havoc ~#gf_u~0; VAL [#in~x=6.442450947E9, #NULL!base=0, #NULL!offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L27] ~hx~0 := ~bitwiseAnd(~ix~0, 2147483647); VAL [#in~x=6.442450947E9, #NULL!base=0, #NULL!offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L29] COND TRUE !(~hx~0 % 4294967296 < 2139095040) [L30] #res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~x), ~x); VAL [#in~x=6.442450947E9, #NULL!base=0, #NULL!offset=0, ~hx~0=2139095040, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L93] RET call #t~ret5 := __ieee754_sqrtf(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret5=6.442450948E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L93] ~res~0 := #t~ret5; [L93] havoc #t~ret5; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L96] CALL call #t~ret6 := isnan_float(~res~0); VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L13] ~x := #in~x; [L13] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, #res=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450948E9] [L96] RET call #t~ret6 := isnan_float(~res~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret6=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L96] assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~ret6=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L96] COND TRUE 0 == #t~ret6 [L96] havoc #t~ret6; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L97] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450952, #NULL!offset=6442450945, old(#NULL!base)=6442450952, old(#NULL!offset)=6442450945, old(~one_sqrt~0)=6.442450949E9, old(~tiny_sqrt~0)=6.442450946E9, ~one_sqrt~0=6.442450949E9, ~tiny_sqrt~0=6.442450946E9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L15] ~one_sqrt~0 := 1.0; [L15] ~tiny_sqrt~0 := 1.0E-30; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450952, old(#NULL!offset)=6442450945, old(~one_sqrt~0)=6.442450949E9, old(~tiny_sqrt~0)=6.442450946E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] CALL call #t~ret7 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L91] ~x~0 := ~someBinaryArithmeticFLOAToperation(~someUnaryFLOAToperation(1.0), 0.0); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L93] CALL call #t~ret5 := __ieee754_sqrtf(~x~0); VAL [#in~x=6.442450947E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L17-L82] ~x := #in~x; [L18] havoc ~z~0; [L19] havoc ~r~0; [L19] havoc ~hx~0; [L20] havoc ~ix~0; [L20] havoc ~s~0; [L20] havoc ~q~0; [L20] havoc ~m~0; [L20] havoc ~t~0; [L20] havoc ~i~0; VAL [#in~x=6.442450947E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L23] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L24] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] ~ix~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L25] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] havoc #t~union1; [L25] havoc #t~mem0; [L23] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L23] havoc ~#gf_u~0; VAL [#in~x=6.442450947E9, #NULL!base=0, #NULL!offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L27] ~hx~0 := ~bitwiseAnd(~ix~0, 2147483647); VAL [#in~x=6.442450947E9, #NULL!base=0, #NULL!offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L29] COND TRUE !(~hx~0 % 4294967296 < 2139095040) [L30] #res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~x), ~x); VAL [#in~x=6.442450947E9, #NULL!base=0, #NULL!offset=0, ~hx~0=2139095040, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L93] RET call #t~ret5 := __ieee754_sqrtf(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret5=6.442450948E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L93] ~res~0 := #t~ret5; [L93] havoc #t~ret5; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L96] CALL call #t~ret6 := isnan_float(~res~0); VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L13] ~x := #in~x; [L13] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, #res=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450948E9] [L96] RET call #t~ret6 := isnan_float(~res~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret6=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L96] assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~ret6=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L96] COND TRUE 0 == #t~ret6 [L96] havoc #t~ret6; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L97] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450952, #NULL!offset=6442450945, old(#NULL!base)=6442450952, old(#NULL!offset)=6442450945, old(~one_sqrt~0)=6.442450949E9, old(~tiny_sqrt~0)=6.442450946E9, ~one_sqrt~0=6.442450949E9, ~tiny_sqrt~0=6.442450946E9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L15] ~one_sqrt~0 := 1.0; [L15] ~tiny_sqrt~0 := 1.0E-30; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450952, old(#NULL!offset)=6442450945, old(~one_sqrt~0)=6.442450949E9, old(~tiny_sqrt~0)=6.442450946E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] CALL call #t~ret7 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L91] ~x~0 := ~someBinaryArithmeticFLOAToperation(~someUnaryFLOAToperation(1.0), 0.0); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L93] CALL call #t~ret5 := __ieee754_sqrtf(~x~0); VAL [#in~x=6.442450947E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L17-L82] ~x := #in~x; [L18] havoc ~z~0; [L19] havoc ~r~0; [L19] havoc ~hx~0; [L20] havoc ~ix~0; [L20] havoc ~s~0; [L20] havoc ~q~0; [L20] havoc ~m~0; [L20] havoc ~t~0; [L20] havoc ~i~0; VAL [#in~x=6.442450947E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L23] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L24] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] ~ix~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L25] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L25] havoc #t~union1; [L25] havoc #t~mem0; [L23] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L23] havoc ~#gf_u~0; VAL [#in~x=6.442450947E9, #NULL!base=0, #NULL!offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L27] ~hx~0 := ~bitwiseAnd(~ix~0, 2147483647); VAL [#in~x=6.442450947E9, #NULL!base=0, #NULL!offset=0, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L29] COND TRUE !(~hx~0 % 4294967296 < 2139095040) [L30] #res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~x), ~x); VAL [#in~x=6.442450947E9, #NULL!base=0, #NULL!offset=0, ~hx~0=2139095040, ~ix~0=-2147483648, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450947E9] [L93] RET call #t~ret5 := __ieee754_sqrtf(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret5=6.442450948E9, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L93] ~res~0 := #t~ret5; [L93] havoc #t~ret5; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L96] CALL call #t~ret6 := isnan_float(~res~0); VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L13] ~x := #in~x; [L13] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, #res=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=6.442450948E9] [L96] RET call #t~ret6 := isnan_float(~res~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret6=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L96] assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~ret6=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L96] COND TRUE 0 == #t~ret6 [L96] havoc #t~ret6; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L97] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=6.442450948E9, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=6.442450947E9] [L15] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; VAL [\old(one_sqrt)=6442450949, \old(tiny_sqrt)=6442450946, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L91] float x = -1.0f / 0.0f; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L93] CALL, EXPR __ieee754_sqrtf(x) VAL [\old(x)=6442450947, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L18] float z; [L19] __uint32_t r, hx; [L20] __int32_t ix, s, q, m, t, i; VAL [\old(x)=6442450947, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450947] [L23] ieee_float_shape_type gf_u; [L24] gf_u.value = (x) [L25] EXPR gf_u.word [L25] (ix) = gf_u.word [L27] hx = ix & 0x7fffffff VAL [\old(x)=6442450947, ix=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450947] [L29] COND TRUE !((hx) < 0x7f800000L) [L30] return x * x + x; VAL [\old(x)=6442450947, hx=2139095040, ix=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450947] [L93] RET, EXPR __ieee754_sqrtf(x) VAL [__ieee754_sqrtf(x)=6442450948, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450947] [L93] float res = __ieee754_sqrtf(x); [L96] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450948, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L13] return x != x; VAL [\old(x)=6442450948, \result=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450948] [L96] RET, EXPR isnan_float(res) VAL [isnan_float(res)=0, one_sqrt=1, res=6442450948, tiny_sqrt=1/1000000000000000000000000000000, x=6442450947] [L96] COND TRUE !isnan_float(res) [L97] __VERIFIER_error() VAL [one_sqrt=1, res=6442450948, tiny_sqrt=1/1000000000000000000000000000000, x=6442450947] ----- [2018-11-23 02:38:30,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:38:30 BoogieIcfgContainer [2018-11-23 02:38:30,989 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 02:38:30,989 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 02:38:30,990 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 02:38:30,990 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 02:38:30,990 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:38:30" (3/4) ... [2018-11-23 02:38:30,992 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 02:38:30,993 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 02:38:30,993 INFO L168 Benchmark]: Toolchain (without parser) took 829.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 961.9 MB in the beginning and 1.1 GB in the end (delta: -120.4 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2018-11-23 02:38:30,995 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:38:30,995 INFO L168 Benchmark]: CACSL2BoogieTranslator took 183.92 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 945.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 02:38:30,996 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.10 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:38:30,996 INFO L168 Benchmark]: Boogie Preprocessor took 63.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -185.8 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-23 02:38:30,997 INFO L168 Benchmark]: RCFGBuilder took 229.62 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-11-23 02:38:30,998 INFO L168 Benchmark]: TraceAbstraction took 330.61 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: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-11-23 02:38:30,999 INFO L168 Benchmark]: Witness Printer took 3.16 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 02:38:31,002 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 183.92 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 945.8 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 15.10 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 63.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -185.8 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 229.62 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 330.61 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: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.16 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: 97]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someBinaryArithmeticFLOAToperation at line 30, overapproximation of bitwiseAnd at line 27. Possible FailurePath: [L15] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; VAL [\old(one_sqrt)=6442450949, \old(tiny_sqrt)=6442450946, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L91] float x = -1.0f / 0.0f; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L93] CALL, EXPR __ieee754_sqrtf(x) VAL [\old(x)=6442450947, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L18] float z; [L19] __uint32_t r, hx; [L20] __int32_t ix, s, q, m, t, i; VAL [\old(x)=6442450947, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450947] [L23] ieee_float_shape_type gf_u; [L24] gf_u.value = (x) [L25] EXPR gf_u.word [L25] (ix) = gf_u.word [L27] hx = ix & 0x7fffffff VAL [\old(x)=6442450947, ix=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450947] [L29] COND TRUE !((hx) < 0x7f800000L) [L30] return x * x + x; VAL [\old(x)=6442450947, hx=2139095040, ix=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450947] [L93] RET, EXPR __ieee754_sqrtf(x) VAL [__ieee754_sqrtf(x)=6442450948, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450947] [L93] float res = __ieee754_sqrtf(x); [L96] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450948, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L13] return x != x; VAL [\old(x)=6442450948, \result=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450948] [L96] RET, EXPR isnan_float(res) VAL [isnan_float(res)=0, one_sqrt=1, res=6442450948, tiny_sqrt=1/1000000000000000000000000000000, x=6442450947] [L96] COND TRUE !isnan_float(res) [L97] __VERIFIER_error() VAL [one_sqrt=1, res=6442450948, tiny_sqrt=1/1000000000000000000000000000000, x=6442450947] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 46 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 56 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=46occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 400 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-23 02:38:32,503 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 02:38:32,504 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 02:38:32,513 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 02:38:32,513 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 02:38:32,514 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 02:38:32,515 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 02:38:32,516 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 02:38:32,517 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 02:38:32,517 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 02:38:32,518 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 02:38:32,518 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 02:38:32,519 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 02:38:32,519 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 02:38:32,520 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 02:38:32,521 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 02:38:32,521 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 02:38:32,522 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 02:38:32,524 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 02:38:32,525 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 02:38:32,525 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 02:38:32,526 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 02:38:32,528 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 02:38:32,528 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 02:38:32,528 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 02:38:32,529 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 02:38:32,529 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 02:38:32,530 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 02:38:32,530 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 02:38:32,531 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 02:38:32,531 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 02:38:32,532 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 02:38:32,532 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 02:38:32,532 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 02:38:32,533 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 02:38:32,533 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 02:38:32,533 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7e5628b2-df1b-4be5-8185-47b214ad848c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-23 02:38:32,543 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 02:38:32,543 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 02:38:32,544 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 02:38:32,544 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 02:38:32,544 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 02:38:32,544 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 02:38:32,544 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 02:38:32,544 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 02:38:32,544 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 02:38:32,545 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 02:38:32,545 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 02:38:32,545 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 02:38:32,545 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 02:38:32,545 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 02:38:32,546 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 02:38:32,546 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 02:38:32,546 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 02:38:32,546 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 02:38:32,546 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 02:38:32,546 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 02:38:32,546 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 02:38:32,546 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 02:38:32,547 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 02:38:32,547 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 02:38:32,547 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 02:38:32,547 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 02:38:32,547 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 02:38:32,547 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 02:38:32,547 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 02:38:32,548 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 02:38:32,548 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 02:38:32,548 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 02:38:32,548 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 02:38:32,548 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 02:38:32,548 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 02:38:32,548 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_7e5628b2-df1b-4be5-8185-47b214ad848c/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 -> 1ba5abe06d07a4712bf40ef71e353712c0bd3c97 [2018-11-23 02:38:32,577 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 02:38:32,586 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 02:38:32,588 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 02:38:32,589 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 02:38:32,590 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 02:38:32,590 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7e5628b2-df1b-4be5-8185-47b214ad848c/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0740_true-unreach-call.c [2018-11-23 02:38:32,635 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7e5628b2-df1b-4be5-8185-47b214ad848c/bin-2019/utaipan/data/b02fa7390/722ded348a3d48bc98f1649b114c2dec/FLAGd5985176c [2018-11-23 02:38:32,967 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 02:38:32,968 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7e5628b2-df1b-4be5-8185-47b214ad848c/sv-benchmarks/c/float-newlib/float_req_bl_0740_true-unreach-call.c [2018-11-23 02:38:32,972 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7e5628b2-df1b-4be5-8185-47b214ad848c/bin-2019/utaipan/data/b02fa7390/722ded348a3d48bc98f1649b114c2dec/FLAGd5985176c [2018-11-23 02:38:33,403 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7e5628b2-df1b-4be5-8185-47b214ad848c/bin-2019/utaipan/data/b02fa7390/722ded348a3d48bc98f1649b114c2dec [2018-11-23 02:38:33,406 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 02:38:33,407 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 02:38:33,408 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 02:38:33,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 02:38:33,410 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 02:38:33,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:38:33" (1/1) ... [2018-11-23 02:38:33,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@679a0c60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:33, skipping insertion in model container [2018-11-23 02:38:33,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:38:33" (1/1) ... [2018-11-23 02:38:33,420 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 02:38:33,437 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 02:38:33,566 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:38:33,571 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 02:38:33,594 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:38:33,611 INFO L195 MainTranslator]: Completed translation [2018-11-23 02:38:33,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:33 WrapperNode [2018-11-23 02:38:33,611 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 02:38:33,612 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 02:38:33,612 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 02:38:33,612 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 02:38:33,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:33" (1/1) ... [2018-11-23 02:38:33,624 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:33" (1/1) ... [2018-11-23 02:38:33,630 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 02:38:33,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 02:38:33,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 02:38:33,631 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 02:38:33,638 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:33" (1/1) ... [2018-11-23 02:38:33,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:33" (1/1) ... [2018-11-23 02:38:33,641 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:33" (1/1) ... [2018-11-23 02:38:33,641 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:33" (1/1) ... [2018-11-23 02:38:33,651 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:33" (1/1) ... [2018-11-23 02:38:33,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:33" (1/1) ... [2018-11-23 02:38:33,658 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:33" (1/1) ... [2018-11-23 02:38:33,661 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 02:38:33,661 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 02:38:33,662 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 02:38:33,662 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 02:38:33,662 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7e5628b2-df1b-4be5-8185-47b214ad848c/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 02:38:33,743 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 02:38:33,743 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 02:38:33,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-23 02:38:33,744 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-23 02:38:33,744 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-23 02:38:33,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 02:38:33,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 02:38:33,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 02:38:33,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 02:38:33,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 02:38:33,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 02:38:33,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-23 02:38:33,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 02:38:33,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 02:38:33,745 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-23 02:38:33,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-23 02:38:34,295 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 02:38:34,295 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-23 02:38:34,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:38:34 BoogieIcfgContainer [2018-11-23 02:38:34,296 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 02:38:34,297 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 02:38:34,297 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 02:38:34,299 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 02:38:34,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:38:33" (1/3) ... [2018-11-23 02:38:34,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f83743f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:38:34, skipping insertion in model container [2018-11-23 02:38:34,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:33" (2/3) ... [2018-11-23 02:38:34,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f83743f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:38:34, skipping insertion in model container [2018-11-23 02:38:34,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:38:34" (3/3) ... [2018-11-23 02:38:34,302 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0740_true-unreach-call.c [2018-11-23 02:38:34,307 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 02:38:34,312 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 02:38:34,320 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 02:38:34,340 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 02:38:34,340 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 02:38:34,341 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 02:38:34,341 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 02:38:34,341 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 02:38:34,341 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 02:38:34,341 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 02:38:34,341 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 02:38:34,341 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 02:38:34,353 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2018-11-23 02:38:34,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 02:38:34,358 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:38:34,359 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 02:38:34,361 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:38:34,365 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:38:34,366 INFO L82 PathProgramCache]: Analyzing trace with hash 1639632096, now seen corresponding path program 1 times [2018-11-23 02:38:34,368 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 02:38:34,368 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7e5628b2-df1b-4be5-8185-47b214ad848c/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 02:38:34,391 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:38:34,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:38:34,505 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:38:34,517 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 02:38:34,517 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 02:38:34,528 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:38:34,528 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 02:38:34,530 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 02:38:34,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 02:38:34,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 02:38:34,539 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 2 states. [2018-11-23 02:38:34,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:38:34,554 INFO L93 Difference]: Finished difference Result 82 states and 116 transitions. [2018-11-23 02:38:34,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 02:38:34,555 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2018-11-23 02:38:34,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:38:34,562 INFO L225 Difference]: With dead ends: 82 [2018-11-23 02:38:34,563 INFO L226 Difference]: Without dead ends: 41 [2018-11-23 02:38:34,565 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 02:38:34,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-11-23 02:38:34,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-11-23 02:38:34,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-11-23 02:38:34,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 51 transitions. [2018-11-23 02:38:34,591 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 51 transitions. Word has length 20 [2018-11-23 02:38:34,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:38:34,591 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 51 transitions. [2018-11-23 02:38:34,591 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 02:38:34,591 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2018-11-23 02:38:34,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 02:38:34,592 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:38:34,592 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 02:38:34,593 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:38:34,593 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:38:34,593 INFO L82 PathProgramCache]: Analyzing trace with hash -1844841631, now seen corresponding path program 1 times [2018-11-23 02:38:34,593 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 02:38:34,594 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7e5628b2-df1b-4be5-8185-47b214ad848c/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 02:38:34,603 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:38:34,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:38:34,707 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:38:35,677 WARN L180 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-11-23 02:38:37,346 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 02:38:37,346 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 02:38:37,354 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:38:37,354 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 02:38:37,356 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 02:38:37,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 02:38:37,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-23 02:38:37,356 INFO L87 Difference]: Start difference. First operand 41 states and 51 transitions. Second operand 9 states. [2018-11-23 02:38:41,296 WARN L180 SmtUtils]: Spent 1.60 s on a formula simplification that was a NOOP. DAG size: 9 [2018-11-23 02:38:44,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:38:44,367 INFO L93 Difference]: Finished difference Result 48 states and 58 transitions. [2018-11-23 02:38:44,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 02:38:44,368 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2018-11-23 02:38:44,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:38:44,369 INFO L225 Difference]: With dead ends: 48 [2018-11-23 02:38:44,369 INFO L226 Difference]: Without dead ends: 41 [2018-11-23 02:38:44,370 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-23 02:38:44,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-11-23 02:38:44,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-11-23 02:38:44,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-11-23 02:38:44,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 50 transitions. [2018-11-23 02:38:44,377 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 50 transitions. Word has length 21 [2018-11-23 02:38:44,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:38:44,377 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 50 transitions. [2018-11-23 02:38:44,377 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 02:38:44,378 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2018-11-23 02:38:44,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 02:38:44,378 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:38:44,378 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:38:44,378 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:38:44,379 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:38:44,379 INFO L82 PathProgramCache]: Analyzing trace with hash 1013290210, now seen corresponding path program 1 times [2018-11-23 02:38:44,379 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 02:38:44,379 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7e5628b2-df1b-4be5-8185-47b214ad848c/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 02:38:44,383 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:38:44,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:38:44,414 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:38:44,493 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 02:38:44,493 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 02:38:44,505 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:38:44,505 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 02:38:44,505 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 02:38:44,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 02:38:44,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 02:38:44,506 INFO L87 Difference]: Start difference. First operand 41 states and 50 transitions. Second operand 7 states. [2018-11-23 02:38:45,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:38:45,140 INFO L93 Difference]: Finished difference Result 46 states and 56 transitions. [2018-11-23 02:38:45,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 02:38:45,141 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-11-23 02:38:45,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:38:45,142 INFO L225 Difference]: With dead ends: 46 [2018-11-23 02:38:45,142 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 02:38:45,142 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 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 02:38:45,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 02:38:45,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 02:38:45,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 02:38:45,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 02:38:45,143 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2018-11-23 02:38:45,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:38:45,143 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 02:38:45,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 02:38:45,144 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 02:38:45,144 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 02:38:45,147 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 02:38:45,260 INFO L448 ceAbstractionStarter]: For program point isnan_floatFINAL(line 13) no Hoare annotation was computed. [2018-11-23 02:38:45,260 INFO L451 ceAbstractionStarter]: At program point isnan_floatENTRY(line 13) the Hoare annotation is: true [2018-11-23 02:38:45,261 INFO L448 ceAbstractionStarter]: For program point isnan_floatEXIT(line 13) no Hoare annotation was computed. [2018-11-23 02:38:45,261 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 02:38:45,261 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 02:38:45,261 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 02:38:45,261 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 02:38:45,261 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 02:38:45,261 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 02:38:45,261 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 02:38:45,261 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-23 02:38:45,262 INFO L444 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (and (= main_~x~0 .cse0) (= (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0) main_~res~0))) [2018-11-23 02:38:45,262 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 96 99) no Hoare annotation was computed. [2018-11-23 02:38:45,262 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 97) no Hoare annotation was computed. [2018-11-23 02:38:45,262 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 84 102) the Hoare annotation is: true [2018-11-23 02:38:45,262 INFO L444 ceAbstractionStarter]: At program point L93(line 93) 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 02:38:45,262 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 84 102) no Hoare annotation was computed. [2018-11-23 02:38:45,262 INFO L448 ceAbstractionStarter]: For program point L93-1(line 93) no Hoare annotation was computed. [2018-11-23 02:38:45,262 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 84 102) no Hoare annotation was computed. [2018-11-23 02:38:45,262 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 73) no Hoare annotation was computed. [2018-11-23 02:38:45,263 INFO L448 ceAbstractionStarter]: For program point L32(lines 32 33) no Hoare annotation was computed. [2018-11-23 02:38:45,263 INFO L444 ceAbstractionStarter]: At program point L53-2(lines 53 62) the Hoare annotation is: (and (= |__ieee754_sqrtf_#in~x| __ieee754_sqrtf_~x) (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (bvult (bvand (_ bv2147483647 32) __ieee754_sqrtf_~ix~0) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) __ieee754_sqrtf_~ix~0) ((_ extract 30 23) __ieee754_sqrtf_~ix~0) ((_ extract 22 0) __ieee754_sqrtf_~ix~0)) |__ieee754_sqrtf_#in~x|))) (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) __ieee754_sqrtf_~ix~0) __ieee754_sqrtf_~hx~0) (= (fp ((_ extract 31 31) __ieee754_sqrtf_~ix~0) ((_ extract 30 23) __ieee754_sqrtf_~ix~0) ((_ extract 22 0) __ieee754_sqrtf_~ix~0)) |__ieee754_sqrtf_#in~x|)))) [2018-11-23 02:38:45,263 INFO L448 ceAbstractionStarter]: For program point L53-3(lines 17 82) no Hoare annotation was computed. [2018-11-23 02:38:45,263 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 17 82) the Hoare annotation is: true [2018-11-23 02:38:45,263 INFO L448 ceAbstractionStarter]: For program point L45(lines 45 46) no Hoare annotation was computed. [2018-11-23 02:38:45,263 INFO L448 ceAbstractionStarter]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2018-11-23 02:38:45,263 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 17 82) no Hoare annotation was computed. [2018-11-23 02:38:45,263 INFO L448 ceAbstractionStarter]: For program point L66(lines 66 72) no Hoare annotation was computed. [2018-11-23 02:38:45,263 INFO L448 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2018-11-23 02:38:45,264 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 17 82) no Hoare annotation was computed. [2018-11-23 02:38:45,264 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 42) no Hoare annotation was computed. [2018-11-23 02:38:45,264 INFO L448 ceAbstractionStarter]: For program point L38-2(lines 38 42) no Hoare annotation was computed. [2018-11-23 02:38:45,264 INFO L448 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2018-11-23 02:38:45,264 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 59) no Hoare annotation was computed. [2018-11-23 02:38:45,264 INFO L448 ceAbstractionStarter]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2018-11-23 02:38:45,264 INFO L448 ceAbstractionStarter]: For program point L55-2(lines 55 59) no Hoare annotation was computed. [2018-11-23 02:38:45,264 INFO L444 ceAbstractionStarter]: At program point L22-2(lines 22 26) the Hoare annotation is: (= |__ieee754_sqrtf_#in~x| __ieee754_sqrtf_~x) [2018-11-23 02:38:45,264 INFO L448 ceAbstractionStarter]: For program point L22-3(lines 22 26) no Hoare annotation was computed. [2018-11-23 02:38:45,264 INFO L448 ceAbstractionStarter]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2018-11-23 02:38:45,265 INFO L444 ceAbstractionStarter]: At program point L76-2(lines 76 80) the Hoare annotation is: (and (= |__ieee754_sqrtf_#in~x| __ieee754_sqrtf_~x) (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (bvult (bvand (_ bv2147483647 32) __ieee754_sqrtf_~ix~0) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) __ieee754_sqrtf_~ix~0) ((_ extract 30 23) __ieee754_sqrtf_~ix~0) ((_ extract 22 0) __ieee754_sqrtf_~ix~0)) |__ieee754_sqrtf_#in~x|))) (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) __ieee754_sqrtf_~ix~0) __ieee754_sqrtf_~hx~0) (= (fp ((_ extract 31 31) __ieee754_sqrtf_~ix~0) ((_ extract 30 23) __ieee754_sqrtf_~ix~0) ((_ extract 22 0) __ieee754_sqrtf_~ix~0)) |__ieee754_sqrtf_#in~x|)))) [2018-11-23 02:38:45,265 INFO L448 ceAbstractionStarter]: For program point L76-3(lines 76 80) no Hoare annotation was computed. [2018-11-23 02:38:45,265 INFO L448 ceAbstractionStarter]: For program point L39-2(lines 39 40) no Hoare annotation was computed. [2018-11-23 02:38:45,265 INFO L444 ceAbstractionStarter]: At program point L39-3(lines 39 40) the Hoare annotation is: (and (= |__ieee754_sqrtf_#in~x| __ieee754_sqrtf_~x) (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (bvult (bvand (_ bv2147483647 32) __ieee754_sqrtf_~ix~0) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) __ieee754_sqrtf_~ix~0) ((_ extract 30 23) __ieee754_sqrtf_~ix~0) ((_ extract 22 0) __ieee754_sqrtf_~ix~0)) |__ieee754_sqrtf_#in~x|))) (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) __ieee754_sqrtf_~ix~0) __ieee754_sqrtf_~hx~0) (= (fp ((_ extract 31 31) __ieee754_sqrtf_~ix~0) ((_ extract 30 23) __ieee754_sqrtf_~ix~0) ((_ extract 22 0) __ieee754_sqrtf_~ix~0)) |__ieee754_sqrtf_#in~x|)))) [2018-11-23 02:38:45,265 INFO L448 ceAbstractionStarter]: For program point L68(lines 68 71) no Hoare annotation was computed. [2018-11-23 02:38:45,265 INFO L448 ceAbstractionStarter]: For program point L39-4(lines 39 40) no Hoare annotation was computed. [2018-11-23 02:38:45,269 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,270 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,270 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,270 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,271 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,271 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,271 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,271 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,277 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,277 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,277 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,277 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,277 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,277 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,278 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,278 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,279 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,279 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,279 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,279 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,280 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,280 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,280 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,280 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,280 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,280 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,281 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,281 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,281 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,281 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,281 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,281 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,282 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,282 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,282 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,282 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,282 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,282 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,283 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,283 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,283 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,284 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,284 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,284 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,284 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,284 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,285 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,285 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:38:45 BoogieIcfgContainer [2018-11-23 02:38:45,286 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 02:38:45,287 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 02:38:45,287 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 02:38:45,287 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 02:38:45,287 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:38:34" (3/4) ... [2018-11-23 02:38:45,290 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 02:38:45,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-11-23 02:38:45,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 02:38:45,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 02:38:45,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-11-23 02:38:45,300 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-23 02:38:45,301 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-23 02:38:45,301 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 02:38:45,319 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-23 02:38:45,319 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(x) == x && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvult32(~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0), 2139095040bv32) && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x))) && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0) == hx && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) [2018-11-23 02:38:45,320 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(x) == x && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvult32(~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0), 2139095040bv32) && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x))) && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0) == hx && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) [2018-11-23 02:38:45,320 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(x) == x && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvult32(~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0), 2139095040bv32) && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x))) && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0) == hx && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) [2018-11-23 02:38:45,339 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7e5628b2-df1b-4be5-8185-47b214ad848c/bin-2019/utaipan/witness.graphml [2018-11-23 02:38:45,339 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 02:38:45,340 INFO L168 Benchmark]: Toolchain (without parser) took 11933.89 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 949.7 MB in the beginning and 941.4 MB in the end (delta: 8.3 MB). Peak memory consumption was 114.2 MB. Max. memory is 11.5 GB. [2018-11-23 02:38:45,341 INFO L168 Benchmark]: CDTParser took 0.14 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 02:38:45,341 INFO L168 Benchmark]: CACSL2BoogieTranslator took 203.86 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 02:38:45,341 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.93 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:38:45,341 INFO L168 Benchmark]: Boogie Preprocessor took 30.36 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:38:45,341 INFO L168 Benchmark]: RCFGBuilder took 634.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -141.1 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2018-11-23 02:38:45,342 INFO L168 Benchmark]: TraceAbstraction took 10989.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 948.3 MB in the end (delta: 126.4 MB). Peak memory consumption was 126.4 MB. Max. memory is 11.5 GB. [2018-11-23 02:38:45,342 INFO L168 Benchmark]: Witness Printer took 52.62 ms. Allocated memory is still 1.1 GB. Free memory was 948.3 MB in the beginning and 941.4 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-23 02:38:45,343 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 203.86 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.93 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.36 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 634.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -141.1 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10989.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 948.3 MB in the end (delta: 126.4 MB). Peak memory consumption was 126.4 MB. Max. memory is 11.5 GB. * Witness Printer took 52.62 ms. Allocated memory is still 1.1 GB. Free memory was 948.3 MB in the beginning and 941.4 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 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_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 97]: 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: 76]: Loop Invariant [2018-11-23 02:38:45,346 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,347 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,347 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,347 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,347 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,347 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,347 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,348 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,348 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,348 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,348 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,349 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,349 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,349 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,349 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,349 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] Derived loop invariant: (\old(x) == x && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvult32(~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0), 2139095040bv32) && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x))) && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0) == hx && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 39]: Loop Invariant [2018-11-23 02:38:45,350 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,350 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,350 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,350 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,350 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,350 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,351 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,351 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,351 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,351 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,351 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,352 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,352 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,352 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,352 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,352 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] Derived loop invariant: (\old(x) == x && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvult32(~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0), 2139095040bv32) && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x))) && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0) == hx && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) - InvariantResult [Line: 53]: Loop Invariant [2018-11-23 02:38:45,353 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,353 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,353 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,353 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,353 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,353 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,353 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,354 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,354 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,354 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,354 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,354 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,355 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,355 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,355 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 02:38:45,355 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] Derived loop invariant: (\old(x) == x && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvult32(~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0), 2139095040bv32) && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x))) && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0) == hx && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 45 locations, 1 error locations. SAFE Result, 10.9s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 7.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 129 SDtfs, 148 SDslu, 332 SDs, 0 SdLazy, 105 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 6.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 14 PreInvPairs, 20 NumberOfFragments, 163 HoareAnnotationTreeSize, 14 FomulaSimplifications, 46 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 60 ConstructedInterpolants, 4 QuantifiedInterpolants, 5448 SizeOfPredicates, 8 NumberOfNonLiveVariables, 171 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...