./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/float-newlib/float_req_bl_1131a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/float-newlib/float_req_bl_1131a_true-unreach-call.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7996fde94937d363db08c14aa2955aadfd79e5c8 .................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/float-newlib/float_req_bl_1131a_true-unreach-call.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7996fde94937d363db08c14aa2955aadfd79e5c8 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2018-12-31 04:06:21,223 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 04:06:21,224 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 04:06:21,237 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 04:06:21,238 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 04:06:21,239 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 04:06:21,240 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 04:06:21,243 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 04:06:21,244 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 04:06:21,245 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 04:06:21,246 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 04:06:21,247 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 04:06:21,248 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 04:06:21,249 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 04:06:21,250 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 04:06:21,251 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 04:06:21,252 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 04:06:21,253 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 04:06:21,256 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 04:06:21,258 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 04:06:21,259 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 04:06:21,261 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 04:06:21,264 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 04:06:21,264 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 04:06:21,264 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 04:06:21,265 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 04:06:21,267 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 04:06:21,267 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 04:06:21,268 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 04:06:21,270 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 04:06:21,270 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 04:06:21,271 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 04:06:21,271 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 04:06:21,272 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 04:06:21,273 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 04:06:21,273 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 04:06:21,274 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 04:06:21,300 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 04:06:21,302 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 04:06:21,304 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 04:06:21,306 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 04:06:21,306 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 04:06:21,306 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 04:06:21,306 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 04:06:21,307 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 04:06:21,308 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 04:06:21,308 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 04:06:21,308 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 04:06:21,308 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 04:06:21,308 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 04:06:21,308 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 04:06:21,309 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 04:06:21,310 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 04:06:21,310 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 04:06:21,310 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 04:06:21,312 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 04:06:21,312 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 04:06:21,312 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 04:06:21,313 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 04:06:21,314 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 04:06:21,314 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 04:06:21,314 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 04:06:21,314 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 04:06:21,314 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 04:06:21,314 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 04:06:21,315 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7996fde94937d363db08c14aa2955aadfd79e5c8 [2018-12-31 04:06:21,367 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 04:06:21,381 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 04:06:21,386 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 04:06:21,388 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 04:06:21,388 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 04:06:21,389 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/float_req_bl_1131a_true-unreach-call.c [2018-12-31 04:06:21,463 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b0f3ffe1/a52a41c87f334b54a98ea754a0d2eef3/FLAG830f61382 [2018-12-31 04:06:22,002 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 04:06:22,003 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/float_req_bl_1131a_true-unreach-call.c [2018-12-31 04:06:22,018 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b0f3ffe1/a52a41c87f334b54a98ea754a0d2eef3/FLAG830f61382 [2018-12-31 04:06:22,319 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b0f3ffe1/a52a41c87f334b54a98ea754a0d2eef3 [2018-12-31 04:06:22,323 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 04:06:22,324 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 04:06:22,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 04:06:22,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 04:06:22,329 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 04:06:22,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 04:06:22" (1/1) ... [2018-12-31 04:06:22,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23063e6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:06:22, skipping insertion in model container [2018-12-31 04:06:22,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 04:06:22" (1/1) ... [2018-12-31 04:06:22,345 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 04:06:22,373 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 04:06:22,617 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 04:06:22,624 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 04:06:22,673 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 04:06:22,706 INFO L195 MainTranslator]: Completed translation [2018-12-31 04:06:22,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:06:22 WrapperNode [2018-12-31 04:06:22,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 04:06:22,708 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 04:06:22,708 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 04:06:22,708 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 04:06:22,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:06:22" (1/1) ... [2018-12-31 04:06:22,729 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:06:22" (1/1) ... [2018-12-31 04:06:22,851 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 04:06:22,854 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 04:06:22,854 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 04:06:22,854 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 04:06:22,864 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:06:22" (1/1) ... [2018-12-31 04:06:22,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:06:22" (1/1) ... [2018-12-31 04:06:22,868 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:06:22" (1/1) ... [2018-12-31 04:06:22,868 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:06:22" (1/1) ... [2018-12-31 04:06:22,880 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:06:22" (1/1) ... [2018-12-31 04:06:22,887 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:06:22" (1/1) ... [2018-12-31 04:06:22,891 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:06:22" (1/1) ... [2018-12-31 04:06:22,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 04:06:22,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 04:06:22,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 04:06:22,897 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 04:06:22,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:06:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 04:06:22,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 04:06:22,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-31 04:06:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-31 04:06:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-31 04:06:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 04:06:22,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 04:06:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-31 04:06:22,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2018-12-31 04:06:22,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-31 04:06:23,617 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 04:06:23,618 INFO L280 CfgBuilder]: Removed 22 assue(true) statements. [2018-12-31 04:06:23,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 04:06:23 BoogieIcfgContainer [2018-12-31 04:06:23,619 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 04:06:23,619 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 04:06:23,620 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 04:06:23,624 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 04:06:23,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 04:06:22" (1/3) ... [2018-12-31 04:06:23,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3974a986 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 04:06:23, skipping insertion in model container [2018-12-31 04:06:23,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:06:22" (2/3) ... [2018-12-31 04:06:23,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3974a986 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 04:06:23, skipping insertion in model container [2018-12-31 04:06:23,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 04:06:23" (3/3) ... [2018-12-31 04:06:23,629 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1131a_true-unreach-call.c [2018-12-31 04:06:23,638 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 04:06:23,646 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 04:06:23,665 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 04:06:23,700 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 04:06:23,701 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 04:06:23,701 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 04:06:23,701 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 04:06:23,701 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 04:06:23,702 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 04:06:23,702 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 04:06:23,702 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 04:06:23,702 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 04:06:23,721 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2018-12-31 04:06:23,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-31 04:06:23,728 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:06:23,729 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:06:23,731 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:06:23,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:06:23,738 INFO L82 PathProgramCache]: Analyzing trace with hash 2036314411, now seen corresponding path program 1 times [2018-12-31 04:06:23,740 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 04:06:23,741 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 04:06:23,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 04:06:23,789 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:06:23,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 04:06:23,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:06:23,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 04:06:23,882 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 04:06:23,883 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 04:06:23,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 04:06:23,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 04:06:23,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 04:06:23,904 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 2 states. [2018-12-31 04:06:23,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 04:06:23,925 INFO L93 Difference]: Finished difference Result 92 states and 154 transitions. [2018-12-31 04:06:23,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 04:06:23,927 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2018-12-31 04:06:23,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 04:06:23,940 INFO L225 Difference]: With dead ends: 92 [2018-12-31 04:06:23,940 INFO L226 Difference]: Without dead ends: 43 [2018-12-31 04:06:23,943 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 04:06:23,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-12-31 04:06:23,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-12-31 04:06:23,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-12-31 04:06:23,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 58 transitions. [2018-12-31 04:06:23,981 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 58 transitions. Word has length 13 [2018-12-31 04:06:23,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 04:06:23,981 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 58 transitions. [2018-12-31 04:06:23,981 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 04:06:23,981 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 58 transitions. [2018-12-31 04:06:23,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-31 04:06:23,982 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:06:23,982 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:06:23,984 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:06:23,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:06:23,984 INFO L82 PathProgramCache]: Analyzing trace with hash -794964373, now seen corresponding path program 1 times [2018-12-31 04:06:23,984 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 04:06:23,984 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 04:06:23,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 04:06:23,986 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:06:23,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 04:06:24,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 04:06:24,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 04:06:24,204 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-31 04:06:24,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 04:06:24 BoogieIcfgContainer [2018-12-31 04:06:24,261 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 04:06:24,262 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 04:06:24,262 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 04:06:24,262 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 04:06:24,263 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 04:06:23" (3/4) ... [2018-12-31 04:06:24,269 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-31 04:06:24,270 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 04:06:24,271 INFO L168 Benchmark]: Toolchain (without parser) took 1948.28 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 73.4 MB). Free memory was 952.7 MB in the beginning and 992.6 MB in the end (delta: -39.9 MB). Peak memory consumption was 33.5 MB. Max. memory is 11.5 GB. [2018-12-31 04:06:24,275 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 04:06:24,277 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.74 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 936.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-31 04:06:24,278 INFO L168 Benchmark]: Boogie Procedure Inliner took 145.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 73.4 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -124.5 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-12-31 04:06:24,281 INFO L168 Benchmark]: Boogie Preprocessor took 42.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-31 04:06:24,283 INFO L168 Benchmark]: RCFGBuilder took 722.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. [2018-12-31 04:06:24,284 INFO L168 Benchmark]: TraceAbstraction took 642.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 992.6 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. [2018-12-31 04:06:24,285 INFO L168 Benchmark]: Witness Printer took 8.13 ms. Allocated memory is still 1.1 GB. Free memory is still 992.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 04:06:24,293 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 382.74 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 936.6 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 145.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 73.4 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -124.5 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 722.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 642.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 992.6 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. * Witness Printer took 8.13 ms. Allocated memory is still 1.1 GB. Free memory is still 992.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 135]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 134, overapproximation of someUnaryDOUBLEoperation at line 14, overapproximation of bitwiseAnd at line 30, overapproximation of someBinaryArithmeticFLOAToperation at line 35, overapproximation of bitwiseXor at line 31. Possible FailurePath: [L12-L15] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={1:0}] [L126] float x = __VERIFIER_nondet_float(); [L127] float y = 1.0f / 0.0f; [L109] __int32_t ix; VAL [one_fmod=1, Zero_fmod={1:0}] [L111] ieee_float_shape_type gf_u; [L112] gf_u.value = (x) [L113] EXPR gf_u.word [L113] (ix) = gf_u.word [L115] ix &= 0x7fffffff [L116] return (((ix) < 0x7f800000L)); VAL [one_fmod=1, Zero_fmod={1:0}] [L129] COND TRUE isfinite_float(x) [L18] __int32_t n, hx, hy, hz, ix, iy, sx, i; VAL [one_fmod=1, Zero_fmod={1:0}] [L21] ieee_float_shape_type gf_u; [L22] gf_u.value = (x) [L23] EXPR gf_u.word [L23] (hx) = gf_u.word [L26] ieee_float_shape_type gf_u; [L27] gf_u.value = (y) [L28] EXPR gf_u.word [L28] (hy) = gf_u.word [L30] sx = hx & 0x80000000 [L31] hx ^= sx [L32] hy &= 0x7fffffff VAL [one_fmod=1, Zero_fmod={1:0}] [L34] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L35] return (x * y) / (x * y); VAL [one_fmod=1, Zero_fmod={1:0}] [L131] float res = fmod_float(x, y); [L134] COND TRUE res != x VAL [one_fmod=1, Zero_fmod={1:0}] [L135] __VERIFIER_error() VAL [one_fmod=1, Zero_fmod={1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 47 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 63 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=47occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 144 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 0.1.24-2e94e6a [2018-12-31 04:06:26,756 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 04:06:26,759 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 04:06:26,772 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 04:06:26,772 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 04:06:26,773 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 04:06:26,775 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 04:06:26,777 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 04:06:26,779 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 04:06:26,780 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 04:06:26,781 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 04:06:26,781 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 04:06:26,782 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 04:06:26,784 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 04:06:26,785 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 04:06:26,786 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 04:06:26,787 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 04:06:26,789 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 04:06:26,792 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 04:06:26,794 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 04:06:26,795 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 04:06:26,797 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 04:06:26,800 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 04:06:26,800 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 04:06:26,800 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 04:06:26,802 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 04:06:26,803 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 04:06:26,804 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 04:06:26,805 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 04:06:26,806 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 04:06:26,807 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 04:06:26,808 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 04:06:26,808 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 04:06:26,808 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 04:06:26,809 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 04:06:26,811 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 04:06:26,811 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-31 04:06:26,839 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 04:06:26,844 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 04:06:26,845 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 04:06:26,845 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 04:06:26,846 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 04:06:26,846 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 04:06:26,846 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 04:06:26,846 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 04:06:26,846 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 04:06:26,846 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 04:06:26,848 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 04:06:26,849 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 04:06:26,849 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-31 04:06:26,849 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-31 04:06:26,850 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 04:06:26,850 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 04:06:26,850 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 04:06:26,850 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 04:06:26,851 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 04:06:26,851 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 04:06:26,851 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 04:06:26,851 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 04:06:26,851 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 04:06:26,854 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 04:06:26,854 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 04:06:26,855 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 04:06:26,855 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-31 04:06:26,855 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 04:06:26,855 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-31 04:06:26,855 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-31 04:06:26,856 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7996fde94937d363db08c14aa2955aadfd79e5c8 [2018-12-31 04:06:26,934 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 04:06:26,950 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 04:06:26,954 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 04:06:26,956 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 04:06:26,956 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 04:06:26,957 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/float_req_bl_1131a_true-unreach-call.c [2018-12-31 04:06:27,028 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a83b8fa1/d2f2aee86cf247019e07df3eed02cd81/FLAGfdf67fa4c [2018-12-31 04:06:27,536 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 04:06:27,537 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/float_req_bl_1131a_true-unreach-call.c [2018-12-31 04:06:27,550 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a83b8fa1/d2f2aee86cf247019e07df3eed02cd81/FLAGfdf67fa4c [2018-12-31 04:06:27,903 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a83b8fa1/d2f2aee86cf247019e07df3eed02cd81 [2018-12-31 04:06:27,907 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 04:06:27,910 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 04:06:27,911 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 04:06:27,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 04:06:27,920 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 04:06:27,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 04:06:27" (1/1) ... [2018-12-31 04:06:27,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9ddd4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:06:27, skipping insertion in model container [2018-12-31 04:06:27,926 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 04:06:27" (1/1) ... [2018-12-31 04:06:27,936 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 04:06:27,974 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 04:06:28,238 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 04:06:28,247 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 04:06:28,332 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 04:06:28,366 INFO L195 MainTranslator]: Completed translation [2018-12-31 04:06:28,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:06:28 WrapperNode [2018-12-31 04:06:28,367 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 04:06:28,368 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 04:06:28,369 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 04:06:28,369 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 04:06:28,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:06:28" (1/1) ... [2018-12-31 04:06:28,461 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:06:28" (1/1) ... [2018-12-31 04:06:28,494 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 04:06:28,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 04:06:28,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 04:06:28,495 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 04:06:28,508 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:06:28" (1/1) ... [2018-12-31 04:06:28,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:06:28" (1/1) ... [2018-12-31 04:06:28,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:06:28" (1/1) ... [2018-12-31 04:06:28,515 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:06:28" (1/1) ... [2018-12-31 04:06:28,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:06:28" (1/1) ... [2018-12-31 04:06:28,549 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:06:28" (1/1) ... [2018-12-31 04:06:28,557 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:06:28" (1/1) ... [2018-12-31 04:06:28,562 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 04:06:28,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 04:06:28,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 04:06:28,563 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 04:06:28,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:06:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 04:06:28,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2018-12-31 04:06:28,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 04:06:28,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-31 04:06:28,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-31 04:06:28,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 04:06:28,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 04:06:28,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-31 04:06:28,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-31 04:06:28,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-31 04:06:28,832 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 04:06:28,895 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 04:06:29,069 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 04:06:29,129 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 04:06:30,773 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 04:06:30,774 INFO L280 CfgBuilder]: Removed 22 assue(true) statements. [2018-12-31 04:06:30,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 04:06:30 BoogieIcfgContainer [2018-12-31 04:06:30,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 04:06:30,775 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 04:06:30,776 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 04:06:30,779 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 04:06:30,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 04:06:27" (1/3) ... [2018-12-31 04:06:30,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@791a1b70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 04:06:30, skipping insertion in model container [2018-12-31 04:06:30,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:06:28" (2/3) ... [2018-12-31 04:06:30,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@791a1b70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 04:06:30, skipping insertion in model container [2018-12-31 04:06:30,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 04:06:30" (3/3) ... [2018-12-31 04:06:30,784 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1131a_true-unreach-call.c [2018-12-31 04:06:30,795 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 04:06:30,803 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 04:06:30,822 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 04:06:30,855 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 04:06:30,856 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 04:06:30,856 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 04:06:30,856 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 04:06:30,857 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 04:06:30,857 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 04:06:30,857 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 04:06:30,857 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 04:06:30,857 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 04:06:30,875 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2018-12-31 04:06:30,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-31 04:06:30,883 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:06:30,884 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:06:30,887 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:06:30,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:06:30,897 INFO L82 PathProgramCache]: Analyzing trace with hash 2036314411, now seen corresponding path program 1 times [2018-12-31 04:06:30,901 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 04:06:30,902 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-31 04:06:30,908 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:06:31,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:06:31,259 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 04:06:31,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 04:06:31,272 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 04:06:31,288 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 04:06:31,290 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 04:06:31,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 04:06:31,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 04:06:31,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 04:06:31,310 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 2 states. [2018-12-31 04:06:31,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 04:06:31,332 INFO L93 Difference]: Finished difference Result 92 states and 154 transitions. [2018-12-31 04:06:31,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 04:06:31,334 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2018-12-31 04:06:31,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 04:06:31,346 INFO L225 Difference]: With dead ends: 92 [2018-12-31 04:06:31,346 INFO L226 Difference]: Without dead ends: 43 [2018-12-31 04:06:31,349 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 04:06:31,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-12-31 04:06:31,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-12-31 04:06:31,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-12-31 04:06:31,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 58 transitions. [2018-12-31 04:06:31,386 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 58 transitions. Word has length 13 [2018-12-31 04:06:31,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 04:06:31,387 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 58 transitions. [2018-12-31 04:06:31,387 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 04:06:31,387 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 58 transitions. [2018-12-31 04:06:31,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-31 04:06:31,388 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:06:31,389 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:06:31,389 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:06:31,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:06:31,389 INFO L82 PathProgramCache]: Analyzing trace with hash -794964373, now seen corresponding path program 1 times [2018-12-31 04:06:31,391 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 04:06:31,391 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-31 04:06:31,401 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:06:31,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:06:31,725 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 04:06:32,164 WARN L181 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2018-12-31 04:06:32,372 WARN L181 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2018-12-31 04:06:32,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 04:06:32,895 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 04:06:32,909 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 04:06:32,909 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-31 04:06:32,912 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-31 04:06:32,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-31 04:06:32,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-31 04:06:32,913 INFO L87 Difference]: Start difference. First operand 43 states and 58 transitions. Second operand 10 states. [2018-12-31 04:06:33,303 WARN L181 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2018-12-31 04:06:34,019 WARN L181 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2018-12-31 04:06:34,472 WARN L181 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2018-12-31 04:06:34,878 WARN L181 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2018-12-31 04:06:35,435 WARN L181 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 63 [2018-12-31 04:06:36,053 WARN L181 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 73 [2018-12-31 04:06:36,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 04:06:36,203 INFO L93 Difference]: Finished difference Result 47 states and 61 transitions. [2018-12-31 04:06:36,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-31 04:06:36,205 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 16 [2018-12-31 04:06:36,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 04:06:36,206 INFO L225 Difference]: With dead ends: 47 [2018-12-31 04:06:36,207 INFO L226 Difference]: Without dead ends: 18 [2018-12-31 04:06:36,209 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-12-31 04:06:36,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-12-31 04:06:36,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2018-12-31 04:06:36,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-12-31 04:06:36,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 17 transitions. [2018-12-31 04:06:36,217 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 17 transitions. Word has length 16 [2018-12-31 04:06:36,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 04:06:36,218 INFO L480 AbstractCegarLoop]: Abstraction has 18 states and 17 transitions. [2018-12-31 04:06:36,218 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-31 04:06:36,218 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 17 transitions. [2018-12-31 04:06:36,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-31 04:06:36,219 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:06:36,219 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:06:36,220 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:06:36,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:06:36,220 INFO L82 PathProgramCache]: Analyzing trace with hash 1123581797, now seen corresponding path program 1 times [2018-12-31 04:06:36,221 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 04:06:36,221 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-31 04:06:36,227 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:06:36,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:06:36,312 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 04:06:36,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 04:06:36,677 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 04:06:36,692 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 04:06:36,692 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-31 04:06:36,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-31 04:06:36,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-31 04:06:36,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-31 04:06:36,693 INFO L87 Difference]: Start difference. First operand 18 states and 17 transitions. Second operand 9 states. [2018-12-31 04:06:37,074 WARN L181 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-12-31 04:06:37,294 WARN L181 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 23 [2018-12-31 04:06:37,495 WARN L181 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 25 [2018-12-31 04:06:37,651 WARN L181 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 27 [2018-12-31 04:06:37,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 04:06:37,652 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2018-12-31 04:06:37,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-31 04:06:37,653 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 17 [2018-12-31 04:06:37,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 04:06:37,653 INFO L225 Difference]: With dead ends: 18 [2018-12-31 04:06:37,654 INFO L226 Difference]: Without dead ends: 0 [2018-12-31 04:06:37,654 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2018-12-31 04:06:37,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-31 04:06:37,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-31 04:06:37,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-31 04:06:37,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-31 04:06:37,656 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2018-12-31 04:06:37,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 04:06:37,656 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-31 04:06:37,656 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-31 04:06:37,656 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-31 04:06:37,656 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-31 04:06:37,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-31 04:06:37,981 WARN L181 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 32 [2018-12-31 04:06:38,225 WARN L181 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 65 [2018-12-31 04:06:38,382 WARN L181 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 43 [2018-12-31 04:06:38,386 INFO L448 ceAbstractionStarter]: For program point L52-1(lines 17 105) no Hoare annotation was computed. [2018-12-31 04:06:38,386 INFO L448 ceAbstractionStarter]: For program point L110-1(lines 110 114) no Hoare annotation was computed. [2018-12-31 04:06:38,386 INFO L444 ceAbstractionStarter]: At program point L110-2(lines 110 114) the Hoare annotation is: (and (= ULTIMATE.start_isfinite_float_~x ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~y~0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) [2018-12-31 04:06:38,387 INFO L448 ceAbstractionStarter]: For program point L110-3(lines 110 114) no Hoare annotation was computed. [2018-12-31 04:06:38,387 INFO L448 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2018-12-31 04:06:38,387 INFO L448 ceAbstractionStarter]: For program point L36(lines 36 37) no Hoare annotation was computed. [2018-12-31 04:06:38,387 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-31 04:06:38,387 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-31 04:06:38,387 INFO L448 ceAbstractionStarter]: For program point L86(lines 86 103) no Hoare annotation was computed. [2018-12-31 04:06:38,387 INFO L448 ceAbstractionStarter]: For program point L20-1(lines 20 24) no Hoare annotation was computed. [2018-12-31 04:06:38,388 INFO L444 ceAbstractionStarter]: At program point L20-2(lines 20 24) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (and (= ULTIMATE.start_isfinite_float_~x ULTIMATE.start_main_~x~0) (= (bvadd |ULTIMATE.start_isfinite_float_#res| (_ bv4294967295 32)) (_ bv0 32)) (exists ((v_ULTIMATE.start_isfinite_float_~ix~1_7 (_ BitVec 32))) (and (bvslt (bvand (_ bv2147483647 32) v_ULTIMATE.start_isfinite_float_~ix~1_7) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) v_ULTIMATE.start_isfinite_float_~ix~1_7) ((_ extract 30 23) v_ULTIMATE.start_isfinite_float_~ix~1_7) ((_ extract 22 0) v_ULTIMATE.start_isfinite_float_~ix~1_7)) ULTIMATE.start_main_~x~0))) (= ULTIMATE.start_fmod_float_~x ULTIMATE.start_main_~x~0) (= ULTIMATE.start_fmod_float_~y .cse0) (= ULTIMATE.start_main_~y~0 .cse0))) [2018-12-31 04:06:38,388 INFO L448 ceAbstractionStarter]: For program point L70(lines 70 71) no Hoare annotation was computed. [2018-12-31 04:06:38,388 INFO L448 ceAbstractionStarter]: For program point L46(lines 17 105) no Hoare annotation was computed. [2018-12-31 04:06:38,388 INFO L444 ceAbstractionStarter]: At program point L104(lines 17 105) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (and (= ULTIMATE.start_main_~x~0 |ULTIMATE.start_fmod_float_#res|) (= ULTIMATE.start_isfinite_float_~x ULTIMATE.start_main_~x~0) (= (bvadd |ULTIMATE.start_isfinite_float_#res| (_ bv4294967295 32)) (_ bv0 32)) (exists ((v_ULTIMATE.start_isfinite_float_~ix~1_7 (_ BitVec 32))) (and (bvslt (bvand (_ bv2147483647 32) v_ULTIMATE.start_isfinite_float_~ix~1_7) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) v_ULTIMATE.start_isfinite_float_~ix~1_7) ((_ extract 30 23) v_ULTIMATE.start_isfinite_float_~ix~1_7) ((_ extract 22 0) v_ULTIMATE.start_isfinite_float_~ix~1_7)) ULTIMATE.start_main_~x~0))) (exists ((v_ULTIMATE.start_fmod_float_~hy~0_20 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_ULTIMATE.start_fmod_float_~hy~0_20) ((_ extract 30 23) v_ULTIMATE.start_fmod_float_~hy~0_20) ((_ extract 22 0) v_ULTIMATE.start_fmod_float_~hy~0_20)) (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) (= ULTIMATE.start_fmod_float_~hy~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_float_~hy~0_20)))) (= ULTIMATE.start_fmod_float_~x ULTIMATE.start_main_~x~0) (exists ((v_ULTIMATE.start_fmod_float_~hx~0_35 (_ BitVec 32)) (v_prenex_12 (_ BitVec 32))) (and (bvslt (bvand (_ bv2147483647 32) v_prenex_12) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) v_ULTIMATE.start_fmod_float_~hx~0_35) ((_ extract 30 23) v_ULTIMATE.start_fmod_float_~hx~0_35) ((_ extract 22 0) v_ULTIMATE.start_fmod_float_~hx~0_35)) (fp ((_ extract 31 31) v_prenex_12) ((_ extract 30 23) v_prenex_12) ((_ extract 22 0) v_prenex_12))) (= ULTIMATE.start_fmod_float_~hx~0 (bvxor v_ULTIMATE.start_fmod_float_~hx~0_35 (bvand (_ bv2147483648 32) v_ULTIMATE.start_fmod_float_~hx~0_35))))) (= ULTIMATE.start_fmod_float_~y .cse0) (= ULTIMATE.start_main_~y~0 .cse0))) [2018-12-31 04:06:38,389 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 39) no Hoare annotation was computed. [2018-12-31 04:06:38,389 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 138) no Hoare annotation was computed. [2018-12-31 04:06:38,389 INFO L448 ceAbstractionStarter]: For program point L129-2(lines 129 138) no Hoare annotation was computed. [2018-12-31 04:06:38,389 INFO L448 ceAbstractionStarter]: For program point L88-1(lines 88 92) no Hoare annotation was computed. [2018-12-31 04:06:38,389 INFO L444 ceAbstractionStarter]: At program point L88-2(lines 88 92) the Hoare annotation is: false [2018-12-31 04:06:38,389 INFO L448 ceAbstractionStarter]: For program point L47-2(lines 47 48) no Hoare annotation was computed. [2018-12-31 04:06:38,389 INFO L444 ceAbstractionStarter]: At program point L47-3(lines 47 48) the Hoare annotation is: false [2018-12-31 04:06:38,390 INFO L448 ceAbstractionStarter]: For program point L97-1(lines 97 101) no Hoare annotation was computed. [2018-12-31 04:06:38,390 INFO L444 ceAbstractionStarter]: At program point L97-2(lines 97 101) the Hoare annotation is: false [2018-12-31 04:06:38,390 INFO L448 ceAbstractionStarter]: For program point L97-3(lines 97 101) no Hoare annotation was computed. [2018-12-31 04:06:38,390 INFO L448 ceAbstractionStarter]: For program point L40(lines 40 44) no Hoare annotation was computed. [2018-12-31 04:06:38,390 INFO L448 ceAbstractionStarter]: For program point L40-1(lines 17 105) no Hoare annotation was computed. [2018-12-31 04:06:38,390 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 135) no Hoare annotation was computed. [2018-12-31 04:06:38,390 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 65 74) no Hoare annotation was computed. [2018-12-31 04:06:38,391 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-31 04:06:38,391 INFO L448 ceAbstractionStarter]: For program point L65-3(lines 65 74) no Hoare annotation was computed. [2018-12-31 04:06:38,391 INFO L444 ceAbstractionStarter]: At program point L82-2(lines 82 85) the Hoare annotation is: false [2018-12-31 04:06:38,391 INFO L448 ceAbstractionStarter]: For program point L82-3(lines 17 105) no Hoare annotation was computed. [2018-12-31 04:06:38,391 INFO L451 ceAbstractionStarter]: At program point L140(lines 119 141) the Hoare annotation is: true [2018-12-31 04:06:38,391 INFO L448 ceAbstractionStarter]: For program point L41-2(lines 41 42) no Hoare annotation was computed. [2018-12-31 04:06:38,391 INFO L444 ceAbstractionStarter]: At program point L41-3(lines 41 42) the Hoare annotation is: false [2018-12-31 04:06:38,391 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-31 04:06:38,392 INFO L448 ceAbstractionStarter]: For program point L25(lines 25 29) no Hoare annotation was computed. [2018-12-31 04:06:38,392 INFO L448 ceAbstractionStarter]: For program point L58-1(lines 58 63) no Hoare annotation was computed. [2018-12-31 04:06:38,392 INFO L448 ceAbstractionStarter]: For program point L25-1(lines 17 105) no Hoare annotation was computed. [2018-12-31 04:06:38,392 INFO L448 ceAbstractionStarter]: For program point L25-2(lines 25 29) no Hoare annotation was computed. [2018-12-31 04:06:38,392 INFO L444 ceAbstractionStarter]: At program point L116(lines 108 117) the Hoare annotation is: (and (= ULTIMATE.start_isfinite_float_~x ULTIMATE.start_main_~x~0) (or (and (= |ULTIMATE.start_isfinite_float_#res| (_ bv0 32)) (exists ((v_ULTIMATE.start_isfinite_float_~ix~1_6 (_ BitVec 32))) (and (not (bvslt (bvand (_ bv2147483647 32) v_ULTIMATE.start_isfinite_float_~ix~1_6) (_ bv2139095040 32))) (= (fp ((_ extract 31 31) v_ULTIMATE.start_isfinite_float_~ix~1_6) ((_ extract 30 23) v_ULTIMATE.start_isfinite_float_~ix~1_6) ((_ extract 22 0) v_ULTIMATE.start_isfinite_float_~ix~1_6)) ULTIMATE.start_main_~x~0)))) (and (exists ((v_prenex_12 (_ BitVec 32))) (and (bvslt (bvand (_ bv2147483647 32) v_prenex_12) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) v_prenex_12) ((_ extract 30 23) v_prenex_12) ((_ extract 22 0) v_prenex_12)) ULTIMATE.start_main_~x~0))) (= (bvadd |ULTIMATE.start_isfinite_float_#res| (_ bv4294967295 32)) (_ bv0 32)))) (= ULTIMATE.start_main_~y~0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) [2018-12-31 04:06:38,392 INFO L448 ceAbstractionStarter]: For program point L67(lines 67 73) no Hoare annotation was computed. [2018-12-31 04:06:38,393 INFO L448 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2018-12-31 04:06:38,393 INFO L444 ceAbstractionStarter]: At program point L67-2(lines 65 74) the Hoare annotation is: false [2018-12-31 04:06:38,393 INFO L448 ceAbstractionStarter]: For program point L76(lines 76 78) no Hoare annotation was computed. [2018-12-31 04:06:38,393 INFO L448 ceAbstractionStarter]: For program point L76-2(lines 17 105) no Hoare annotation was computed. [2018-12-31 04:06:38,393 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 137) no Hoare annotation was computed. [2018-12-31 04:06:38,405 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,406 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,409 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,409 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,411 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] [2018-12-31 04:06:38,412 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] [2018-12-31 04:06:38,412 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] [2018-12-31 04:06:38,412 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] [2018-12-31 04:06:38,412 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,413 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,413 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,413 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,416 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] [2018-12-31 04:06:38,417 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] [2018-12-31 04:06:38,417 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] [2018-12-31 04:06:38,417 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] [2018-12-31 04:06:38,417 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,418 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,418 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,418 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,425 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] [2018-12-31 04:06:38,425 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] [2018-12-31 04:06:38,425 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] [2018-12-31 04:06:38,426 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] [2018-12-31 04:06:38,426 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_20,QUANTIFIED] [2018-12-31 04:06:38,426 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_20,QUANTIFIED] [2018-12-31 04:06:38,426 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_20,QUANTIFIED] [2018-12-31 04:06:38,427 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,427 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,427 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_20,QUANTIFIED] [2018-12-31 04:06:38,430 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-31 04:06:38,430 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_35,QUANTIFIED] [2018-12-31 04:06:38,430 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_35,QUANTIFIED] [2018-12-31 04:06:38,430 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_35,QUANTIFIED] [2018-12-31 04:06:38,431 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-31 04:06:38,432 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-31 04:06:38,432 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-31 04:06:38,432 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_35,QUANTIFIED] [2018-12-31 04:06:38,432 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_35,QUANTIFIED] [2018-12-31 04:06:38,434 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,434 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,434 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,434 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,436 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] [2018-12-31 04:06:38,437 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] [2018-12-31 04:06:38,437 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] [2018-12-31 04:06:38,438 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] [2018-12-31 04:06:38,438 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_20,QUANTIFIED] [2018-12-31 04:06:38,438 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_20,QUANTIFIED] [2018-12-31 04:06:38,438 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_20,QUANTIFIED] [2018-12-31 04:06:38,439 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,439 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,439 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_20,QUANTIFIED] [2018-12-31 04:06:38,439 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-31 04:06:38,440 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_35,QUANTIFIED] [2018-12-31 04:06:38,442 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_35,QUANTIFIED] [2018-12-31 04:06:38,442 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_35,QUANTIFIED] [2018-12-31 04:06:38,442 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-31 04:06:38,443 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-31 04:06:38,443 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-31 04:06:38,443 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_35,QUANTIFIED] [2018-12-31 04:06:38,444 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_35,QUANTIFIED] [2018-12-31 04:06:38,444 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,444 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,444 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,444 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,449 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_6,QUANTIFIED] [2018-12-31 04:06:38,449 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_6,QUANTIFIED] [2018-12-31 04:06:38,449 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_6,QUANTIFIED] [2018-12-31 04:06:38,450 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_6,QUANTIFIED] [2018-12-31 04:06:38,450 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-31 04:06:38,450 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-31 04:06:38,450 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-31 04:06:38,452 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-31 04:06:38,452 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,453 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,454 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_6,QUANTIFIED] [2018-12-31 04:06:38,455 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_6,QUANTIFIED] [2018-12-31 04:06:38,456 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_6,QUANTIFIED] [2018-12-31 04:06:38,456 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_6,QUANTIFIED] [2018-12-31 04:06:38,456 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-31 04:06:38,457 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-31 04:06:38,457 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-31 04:06:38,457 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-31 04:06:38,457 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,457 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 04:06:38 BoogieIcfgContainer [2018-12-31 04:06:38,462 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 04:06:38,463 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 04:06:38,463 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 04:06:38,463 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 04:06:38,465 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 04:06:30" (3/4) ... [2018-12-31 04:06:38,470 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-31 04:06:38,485 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-31 04:06:38,485 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-31 04:06:38,515 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == x && ((\result == 0bv32 && (\exists v_ULTIMATE.start_isfinite_float_~ix~1_6 : bv32 :: !~bvslt32(~bvand32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~1_6), 2139095040bv32) && ~fp~LONGDOUBLE(v_ULTIMATE.start_isfinite_float_~ix~1_6[31:31], v_ULTIMATE.start_isfinite_float_~ix~1_6[30:23], v_ULTIMATE.start_isfinite_float_~ix~1_6[22:0]) == x)) || ((\exists v_prenex_12 : bv32 :: ~bvslt32(~bvand32(2147483647bv32, v_prenex_12), 2139095040bv32) && ~fp~LONGDOUBLE(v_prenex_12[31:31], v_prenex_12[30:23], v_prenex_12[22:0]) == x) && ~bvadd64(\result, 4294967295bv32) == 0bv32))) && y == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()) [2018-12-31 04:06:38,516 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((x == x && ~bvadd64(\result, 4294967295bv32) == 0bv32) && (\exists v_ULTIMATE.start_isfinite_float_~ix~1_7 : bv32 :: ~bvslt32(~bvand32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~1_7), 2139095040bv32) && ~fp~LONGDOUBLE(v_ULTIMATE.start_isfinite_float_~ix~1_7[31:31], v_ULTIMATE.start_isfinite_float_~ix~1_7[30:23], v_ULTIMATE.start_isfinite_float_~ix~1_7[22:0]) == x)) && x == x) && y == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) && y == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()) [2018-12-31 04:06:38,543 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 04:06:38,543 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 04:06:38,544 INFO L168 Benchmark]: Toolchain (without parser) took 10636.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 951.4 MB in the beginning and 839.1 MB in the end (delta: 112.3 MB). Peak memory consumption was 248.1 MB. Max. memory is 11.5 GB. [2018-12-31 04:06:38,546 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 04:06:38,547 INFO L168 Benchmark]: CACSL2BoogieTranslator took 456.54 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 935.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-31 04:06:38,547 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -187.7 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2018-12-31 04:06:38,548 INFO L168 Benchmark]: Boogie Preprocessor took 67.59 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 04:06:38,550 INFO L168 Benchmark]: RCFGBuilder took 2211.91 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: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-12-31 04:06:38,551 INFO L168 Benchmark]: TraceAbstraction took 7687.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 839.1 MB in the end (delta: 251.9 MB). Peak memory consumption was 251.9 MB. Max. memory is 11.5 GB. [2018-12-31 04:06:38,552 INFO L168 Benchmark]: Witness Printer took 80.68 ms. Allocated memory is still 1.2 GB. Free memory is still 839.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 04:06:38,557 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 456.54 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 935.3 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 125.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -187.7 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 67.59 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 2211.91 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: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7687.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 839.1 MB in the end (delta: 251.9 MB). Peak memory consumption was 251.9 MB. Max. memory is 11.5 GB. * Witness Printer took 80.68 ms. Allocated memory is still 1.2 GB. Free memory is still 839.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 135]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 82]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 110]: Loop Invariant [2018-12-31 04:06:38,582 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,582 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,582 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,582 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == x && y == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 20]: Loop Invariant [2018-12-31 04:06:38,583 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] [2018-12-31 04:06:38,583 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] [2018-12-31 04:06:38,583 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] [2018-12-31 04:06:38,584 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] [2018-12-31 04:06:38,584 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,584 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,584 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,584 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,585 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] [2018-12-31 04:06:38,586 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] [2018-12-31 04:06:38,586 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] [2018-12-31 04:06:38,586 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] [2018-12-31 04:06:38,586 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,586 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,587 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,587 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((x == x && ~bvadd64(\result, 4294967295bv32) == 0bv32) && (\exists v_ULTIMATE.start_isfinite_float_~ix~1_7 : bv32 :: ~bvslt32(~bvand32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~1_7), 2139095040bv32) && ~fp~LONGDOUBLE(v_ULTIMATE.start_isfinite_float_~ix~1_7[31:31], v_ULTIMATE.start_isfinite_float_~ix~1_7[30:23], v_ULTIMATE.start_isfinite_float_~ix~1_7[22:0]) == x)) && x == x) && y == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) && y == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 17]: Loop Invariant [2018-12-31 04:06:38,588 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] [2018-12-31 04:06:38,588 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] [2018-12-31 04:06:38,588 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] [2018-12-31 04:06:38,588 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] [2018-12-31 04:06:38,588 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_20,QUANTIFIED] [2018-12-31 04:06:38,589 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_20,QUANTIFIED] [2018-12-31 04:06:38,589 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_20,QUANTIFIED] [2018-12-31 04:06:38,589 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,589 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,590 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_20,QUANTIFIED] [2018-12-31 04:06:38,590 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-31 04:06:38,590 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_35,QUANTIFIED] [2018-12-31 04:06:38,590 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_35,QUANTIFIED] [2018-12-31 04:06:38,590 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_35,QUANTIFIED] [2018-12-31 04:06:38,591 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-31 04:06:38,591 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-31 04:06:38,591 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-31 04:06:38,591 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_35,QUANTIFIED] [2018-12-31 04:06:38,591 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_35,QUANTIFIED] [2018-12-31 04:06:38,591 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,592 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,592 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,592 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,593 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] [2018-12-31 04:06:38,593 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] [2018-12-31 04:06:38,594 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] [2018-12-31 04:06:38,594 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_7,QUANTIFIED] [2018-12-31 04:06:38,594 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_20,QUANTIFIED] [2018-12-31 04:06:38,594 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_20,QUANTIFIED] [2018-12-31 04:06:38,594 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_20,QUANTIFIED] [2018-12-31 04:06:38,595 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,595 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,595 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_20,QUANTIFIED] [2018-12-31 04:06:38,596 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-31 04:06:38,596 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_35,QUANTIFIED] [2018-12-31 04:06:38,596 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_35,QUANTIFIED] [2018-12-31 04:06:38,596 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_35,QUANTIFIED] [2018-12-31 04:06:38,596 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-31 04:06:38,597 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-31 04:06:38,597 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-31 04:06:38,597 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_35,QUANTIFIED] [2018-12-31 04:06:38,597 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_35,QUANTIFIED] [2018-12-31 04:06:38,597 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,598 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,598 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,598 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((((((x == \result && x == x) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && (\exists v_ULTIMATE.start_isfinite_float_~ix~1_7 : bv32 :: ~bvslt32(~bvand32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~1_7), 2139095040bv32) && ~fp~LONGDOUBLE(v_ULTIMATE.start_isfinite_float_~ix~1_7[31:31], v_ULTIMATE.start_isfinite_float_~ix~1_7[30:23], v_ULTIMATE.start_isfinite_float_~ix~1_7[22:0]) == x)) && (\exists v_ULTIMATE.start_fmod_float_~hy~0_20 : bv32 :: ~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hy~0_20[31:31], v_ULTIMATE.start_fmod_float_~hy~0_20[30:23], v_ULTIMATE.start_fmod_float_~hy~0_20[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()) && hy == ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_float_~hy~0_20))) && x == x) && (\exists v_ULTIMATE.start_fmod_float_~hx~0_35 : bv32, v_prenex_12 : bv32 :: (~bvslt32(~bvand32(2147483647bv32, v_prenex_12), 2139095040bv32) && ~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hx~0_35[31:31], v_ULTIMATE.start_fmod_float_~hx~0_35[30:23], v_ULTIMATE.start_fmod_float_~hx~0_35[22:0]) == ~fp~LONGDOUBLE(v_prenex_12[31:31], v_prenex_12[30:23], v_prenex_12[22:0])) && hx == ~bvxor32(v_ULTIMATE.start_fmod_float_~hx~0_35, ~bvand32(2147483648bv32, v_ULTIMATE.start_fmod_float_~hx~0_35)))) && y == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) && y == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 108]: Loop Invariant [2018-12-31 04:06:38,599 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_6,QUANTIFIED] [2018-12-31 04:06:38,599 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_6,QUANTIFIED] [2018-12-31 04:06:38,600 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_6,QUANTIFIED] [2018-12-31 04:06:38,600 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_6,QUANTIFIED] [2018-12-31 04:06:38,600 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-31 04:06:38,600 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-31 04:06:38,600 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-31 04:06:38,601 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-31 04:06:38,601 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,601 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,602 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_6,QUANTIFIED] [2018-12-31 04:06:38,602 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_6,QUANTIFIED] [2018-12-31 04:06:38,602 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_6,QUANTIFIED] [2018-12-31 04:06:38,602 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1_6,QUANTIFIED] [2018-12-31 04:06:38,603 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-31 04:06:38,603 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-31 04:06:38,603 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-31 04:06:38,603 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-31 04:06:38,603 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:06:38,604 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (x == x && ((\result == 0bv32 && (\exists v_ULTIMATE.start_isfinite_float_~ix~1_6 : bv32 :: !~bvslt32(~bvand32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~1_6), 2139095040bv32) && ~fp~LONGDOUBLE(v_ULTIMATE.start_isfinite_float_~ix~1_6[31:31], v_ULTIMATE.start_isfinite_float_~ix~1_6[30:23], v_ULTIMATE.start_isfinite_float_~ix~1_6[22:0]) == x)) || ((\exists v_prenex_12 : bv32 :: ~bvslt32(~bvand32(2147483647bv32, v_prenex_12), 2139095040bv32) && ~fp~LONGDOUBLE(v_prenex_12[31:31], v_prenex_12[30:23], v_prenex_12[22:0]) == x) && ~bvadd64(\result, 4294967295bv32) == 0bv32))) && y == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 47 locations, 1 error locations. SAFE Result, 7.5s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 4.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 78 SDtfs, 71 SDslu, 57 SDs, 0 SdLazy, 85 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred 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, 11 LocationsWithAnnotation, 11 PreInvPairs, 16 NumberOfFragments, 216 HoareAnnotationTreeSize, 11 FomulaSimplifications, 12 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 152 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 43 ConstructedInterpolants, 19 QuantifiedInterpolants, 10560 SizeOfPredicates, 22 NumberOfNonLiveVariables, 177 ConjunctsInSsa, 39 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...