./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0931.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/bin/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 ../sv-benchmarks/c/float-newlib/float_req_bl_0931.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 d2f16ecfa870c96b6993f19e89d203c20f11280a ............................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/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 ../sv-benchmarks/c/float-newlib/float_req_bl_0931.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 d2f16ecfa870c96b6993f19e89d203c20f11280a .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 21:13:26,370 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 21:13:26,373 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 21:13:26,386 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 21:13:26,387 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 21:13:26,388 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 21:13:26,390 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 21:13:26,392 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 21:13:26,394 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 21:13:26,395 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 21:13:26,396 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 21:13:26,398 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 21:13:26,398 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 21:13:26,400 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 21:13:26,401 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 21:13:26,402 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 21:13:26,403 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 21:13:26,404 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 21:13:26,406 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 21:13:26,408 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 21:13:26,410 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 21:13:26,411 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 21:13:26,412 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 21:13:26,413 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 21:13:26,416 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 21:13:26,416 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 21:13:26,417 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 21:13:26,418 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 21:13:26,418 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 21:13:26,420 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 21:13:26,420 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 21:13:26,421 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 21:13:26,422 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 21:13:26,423 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 21:13:26,424 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 21:13:26,424 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 21:13:26,425 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 21:13:26,425 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 21:13:26,426 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 21:13:26,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 21:13:26,428 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 21:13:26,429 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 21:13:26,445 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 21:13:26,446 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 21:13:26,448 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 21:13:26,449 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 21:13:26,449 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 21:13:26,449 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 21:13:26,449 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 21:13:26,450 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 21:13:26,450 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 21:13:26,450 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 21:13:26,451 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 21:13:26,452 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 21:13:26,452 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 21:13:26,453 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 21:13:26,453 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 21:13:26,453 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 21:13:26,453 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 21:13:26,454 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 21:13:26,454 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 21:13:26,454 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 21:13:26,455 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 21:13:26,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 21:13:26,455 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 21:13:26,456 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 21:13:26,456 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 21:13:26,456 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 21:13:26,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 21:13:26,457 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 21:13:26,457 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /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 -> d2f16ecfa870c96b6993f19e89d203c20f11280a [2019-11-19 21:13:26,849 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 21:13:26,867 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 21:13:26,871 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 21:13:26,875 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 21:13:26,875 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 21:13:26,876 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0931.c [2019-11-19 21:13:26,953 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a79c42814/4f6d13dc60f84d85a647adf6aa042f2a/FLAG1e3a78426 [2019-11-19 21:13:27,427 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 21:13:27,428 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0931.c [2019-11-19 21:13:27,436 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a79c42814/4f6d13dc60f84d85a647adf6aa042f2a/FLAG1e3a78426 [2019-11-19 21:13:27,756 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a79c42814/4f6d13dc60f84d85a647adf6aa042f2a [2019-11-19 21:13:27,760 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 21:13:27,762 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 21:13:27,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 21:13:27,764 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 21:13:27,768 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 21:13:27,769 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:13:27" (1/1) ... [2019-11-19 21:13:27,772 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bea42f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:27, skipping insertion in model container [2019-11-19 21:13:27,773 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:13:27" (1/1) ... [2019-11-19 21:13:27,781 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 21:13:27,821 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 21:13:28,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:13:28,170 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 21:13:28,273 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:13:28,303 INFO L192 MainTranslator]: Completed translation [2019-11-19 21:13:28,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:28 WrapperNode [2019-11-19 21:13:28,304 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 21:13:28,305 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 21:13:28,305 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 21:13:28,306 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 21:13:28,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:28" (1/1) ... [2019-11-19 21:13:28,342 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:28" (1/1) ... [2019-11-19 21:13:28,373 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 21:13:28,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 21:13:28,374 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 21:13:28,375 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 21:13:28,386 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:28" (1/1) ... [2019-11-19 21:13:28,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:28" (1/1) ... [2019-11-19 21:13:28,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:28" (1/1) ... [2019-11-19 21:13:28,390 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:28" (1/1) ... [2019-11-19 21:13:28,400 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:28" (1/1) ... [2019-11-19 21:13:28,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:28" (1/1) ... [2019-11-19 21:13:28,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:28" (1/1) ... [2019-11-19 21:13:28,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 21:13:28,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 21:13:28,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 21:13:28,414 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 21:13:28,415 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:28" (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 [2019-11-19 21:13:28,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 21:13:28,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-19 21:13:28,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 21:13:28,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-19 21:13:28,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 21:13:28,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 21:13:28,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-19 21:13:28,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 21:13:28,902 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 21:13:28,903 INFO L285 CfgBuilder]: Removed 16 assume(true) statements. [2019-11-19 21:13:28,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:13:28 BoogieIcfgContainer [2019-11-19 21:13:28,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 21:13:28,905 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 21:13:28,906 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 21:13:28,909 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 21:13:28,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 09:13:27" (1/3) ... [2019-11-19 21:13:28,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@704166de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:13:28, skipping insertion in model container [2019-11-19 21:13:28,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:28" (2/3) ... [2019-11-19 21:13:28,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@704166de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:13:28, skipping insertion in model container [2019-11-19 21:13:28,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:13:28" (3/3) ... [2019-11-19 21:13:28,913 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0931.c [2019-11-19 21:13:28,924 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 21:13:28,930 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-19 21:13:28,942 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-19 21:13:28,966 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 21:13:28,966 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 21:13:28,967 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 21:13:28,967 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 21:13:28,967 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 21:13:28,968 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 21:13:28,968 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 21:13:28,968 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 21:13:28,982 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2019-11-19 21:13:28,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-19 21:13:28,987 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:13:28,988 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:13:28,989 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:13:28,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:13:28,994 INFO L82 PathProgramCache]: Analyzing trace with hash -179144357, now seen corresponding path program 1 times [2019-11-19 21:13:29,004 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:13:29,004 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480245883] [2019-11-19 21:13:29,004 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:13:29,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:13:29,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:13:29,133 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480245883] [2019-11-19 21:13:29,134 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:13:29,134 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 21:13:29,135 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185459805] [2019-11-19 21:13:29,140 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-19 21:13:29,140 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:13:29,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 21:13:29,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 21:13:29,155 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2019-11-19 21:13:29,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:13:29,173 INFO L93 Difference]: Finished difference Result 64 states and 102 transitions. [2019-11-19 21:13:29,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 21:13:29,175 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-19 21:13:29,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:13:29,183 INFO L225 Difference]: With dead ends: 64 [2019-11-19 21:13:29,183 INFO L226 Difference]: Without dead ends: 30 [2019-11-19 21:13:29,186 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 21:13:29,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-19 21:13:29,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-11-19 21:13:29,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-19 21:13:29,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2019-11-19 21:13:29,222 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 40 transitions. Word has length 11 [2019-11-19 21:13:29,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:13:29,222 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 40 transitions. [2019-11-19 21:13:29,222 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-19 21:13:29,222 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2019-11-19 21:13:29,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-19 21:13:29,223 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:13:29,223 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:13:29,223 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:13:29,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:13:29,224 INFO L82 PathProgramCache]: Analyzing trace with hash 574087680, now seen corresponding path program 1 times [2019-11-19 21:13:29,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:13:29,224 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459594931] [2019-11-19 21:13:29,225 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:13:29,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 21:13:29,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 21:13:29,353 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 21:13:29,354 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-19 21:13:29,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 09:13:29 BoogieIcfgContainer [2019-11-19 21:13:29,391 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 21:13:29,392 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 21:13:29,392 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 21:13:29,392 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 21:13:29,393 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:13:28" (3/4) ... [2019-11-19 21:13:29,396 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 21:13:29,396 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 21:13:29,399 INFO L168 Benchmark]: Toolchain (without parser) took 1635.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -98.4 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. [2019-11-19 21:13:29,399 INFO L168 Benchmark]: CDTParser took 0.67 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 21:13:29,400 INFO L168 Benchmark]: CACSL2BoogieTranslator took 541.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -152.0 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-11-19 21:13:29,401 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 21:13:29,402 INFO L168 Benchmark]: Boogie Preprocessor took 38.91 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2019-11-19 21:13:29,403 INFO L168 Benchmark]: RCFGBuilder took 490.88 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: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. [2019-11-19 21:13:29,404 INFO L168 Benchmark]: TraceAbstraction took 486.20 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: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2019-11-19 21:13:29,404 INFO L168 Benchmark]: Witness Printer took 4.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 21:13:29,409 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 541.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -152.0 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 68.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.91 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 490.88 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: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 486.20 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: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * Witness Printer took 4.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 121]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 32, overapproximation of bitwiseAnd at line 106. Possible FailurePath: [L12-L16] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L18] static const float zero_log = 0.0; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L116] float x = 1.0f / 0.0f; [L21] float hfsq, f, s, z, R, w, t1, t2, dk; [L22] __int32_t k, ix, i, j; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L25] ieee_float_shape_type gf_u; [L26] gf_u.value = (x) [L27] EXPR gf_u.word [L27] (ix) = gf_u.word [L30] k = 0 VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L31] COND TRUE ((ix & 0x7fffffff) == 0) [L32] return -two25_log / zero_log; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L117] float res = __ieee754_logf(x); [L100] __int32_t ix; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L102] ieee_float_shape_type gf_u; [L103] gf_u.value = (x) [L104] EXPR gf_u.word [L104] (ix) = gf_u.word [L106] ix &= 0x7fffffff [L107] return ((ix) == 0x7f800000L); VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L120] COND TRUE !isinf_float(res) [L121] __VERIFIER_error() VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 43 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-678e011 [2019-11-19 21:13:31,389 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 21:13:31,392 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 21:13:31,409 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 21:13:31,410 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 21:13:31,412 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 21:13:31,414 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 21:13:31,427 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 21:13:31,429 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 21:13:31,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 21:13:31,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 21:13:31,436 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 21:13:31,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 21:13:31,441 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 21:13:31,443 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 21:13:31,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 21:13:31,447 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 21:13:31,450 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 21:13:31,451 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 21:13:31,453 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 21:13:31,455 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 21:13:31,456 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 21:13:31,457 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 21:13:31,458 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 21:13:31,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 21:13:31,460 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 21:13:31,460 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 21:13:31,461 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 21:13:31,462 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 21:13:31,463 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 21:13:31,463 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 21:13:31,464 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 21:13:31,465 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 21:13:31,465 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 21:13:31,466 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 21:13:31,467 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 21:13:31,467 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 21:13:31,468 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 21:13:31,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 21:13:31,469 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 21:13:31,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 21:13:31,470 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-19 21:13:31,494 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 21:13:31,494 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 21:13:31,498 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 21:13:31,498 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 21:13:31,498 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 21:13:31,499 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 21:13:31,499 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 21:13:31,499 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 21:13:31,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 21:13:31,500 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 21:13:31,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 21:13:31,501 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 21:13:31,501 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-19 21:13:31,502 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-19 21:13:31,502 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 21:13:31,502 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 21:13:31,503 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 21:13:31,503 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 21:13:31,503 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 21:13:31,503 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 21:13:31,504 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 21:13:31,504 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 21:13:31,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 21:13:31,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 21:13:31,505 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 21:13:31,505 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 21:13:31,505 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-19 21:13:31,505 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-19 21:13:31,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 21:13:31,506 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-19 21:13:31,506 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /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 -> d2f16ecfa870c96b6993f19e89d203c20f11280a [2019-11-19 21:13:31,833 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 21:13:31,847 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 21:13:31,851 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 21:13:31,853 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 21:13:31,853 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 21:13:31,854 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0931.c [2019-11-19 21:13:31,916 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b401e86fe/2cce815aae03498683fb7c87fcd68118/FLAGde6a2ffb8 [2019-11-19 21:13:32,434 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 21:13:32,435 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0931.c [2019-11-19 21:13:32,442 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b401e86fe/2cce815aae03498683fb7c87fcd68118/FLAGde6a2ffb8 [2019-11-19 21:13:32,811 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b401e86fe/2cce815aae03498683fb7c87fcd68118 [2019-11-19 21:13:32,819 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 21:13:32,821 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 21:13:32,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 21:13:32,824 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 21:13:32,829 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 21:13:32,830 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:13:32" (1/1) ... [2019-11-19 21:13:32,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20dcd9f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:32, skipping insertion in model container [2019-11-19 21:13:32,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:13:32" (1/1) ... [2019-11-19 21:13:32,844 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 21:13:32,869 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 21:13:33,082 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:13:33,096 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 21:13:33,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:13:33,240 INFO L192 MainTranslator]: Completed translation [2019-11-19 21:13:33,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:33 WrapperNode [2019-11-19 21:13:33,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 21:13:33,242 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 21:13:33,242 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 21:13:33,242 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 21:13:33,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:33" (1/1) ... [2019-11-19 21:13:33,264 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:33" (1/1) ... [2019-11-19 21:13:33,297 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 21:13:33,297 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 21:13:33,297 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 21:13:33,298 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 21:13:33,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:33" (1/1) ... [2019-11-19 21:13:33,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:33" (1/1) ... [2019-11-19 21:13:33,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:33" (1/1) ... [2019-11-19 21:13:33,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:33" (1/1) ... [2019-11-19 21:13:33,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:33" (1/1) ... [2019-11-19 21:13:33,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:33" (1/1) ... [2019-11-19 21:13:33,337 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:33" (1/1) ... [2019-11-19 21:13:33,341 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 21:13:33,342 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 21:13:33,342 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 21:13:33,343 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 21:13:33,344 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:33" (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 [2019-11-19 21:13:33,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 21:13:33,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-11-19 21:13:33,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-19 21:13:33,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 21:13:33,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 21:13:33,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-11-19 21:13:33,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-19 21:13:33,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 21:13:44,827 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 21:13:44,828 INFO L285 CfgBuilder]: Removed 16 assume(true) statements. [2019-11-19 21:13:44,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:13:44 BoogieIcfgContainer [2019-11-19 21:13:44,829 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 21:13:44,830 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 21:13:44,831 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 21:13:44,833 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 21:13:44,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 09:13:32" (1/3) ... [2019-11-19 21:13:44,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fdfc73a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:13:44, skipping insertion in model container [2019-11-19 21:13:44,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:13:33" (2/3) ... [2019-11-19 21:13:44,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fdfc73a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:13:44, skipping insertion in model container [2019-11-19 21:13:44,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:13:44" (3/3) ... [2019-11-19 21:13:44,838 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0931.c [2019-11-19 21:13:44,846 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 21:13:44,853 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-19 21:13:44,861 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-19 21:13:44,881 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 21:13:44,881 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 21:13:44,882 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 21:13:44,882 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 21:13:44,882 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 21:13:44,882 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 21:13:44,882 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 21:13:44,883 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 21:13:44,896 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2019-11-19 21:13:44,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-19 21:13:44,903 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:13:44,904 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:13:44,905 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:13:44,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:13:44,909 INFO L82 PathProgramCache]: Analyzing trace with hash -179144357, now seen corresponding path program 1 times [2019-11-19 21:13:44,920 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 21:13:44,920 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [375325029] [2019-11-19 21:13:44,921 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2019-11-19 21:13:45,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:13:45,244 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-19 21:13:45,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 21:13:45,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:13:45,262 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-19 21:13:45,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:13:45,268 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [375325029] [2019-11-19 21:13:45,269 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:13:45,270 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-19 21:13:45,271 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124170987] [2019-11-19 21:13:45,277 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-19 21:13:45,278 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-19 21:13:45,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 21:13:45,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 21:13:45,296 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2019-11-19 21:13:45,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:13:45,324 INFO L93 Difference]: Finished difference Result 64 states and 102 transitions. [2019-11-19 21:13:45,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 21:13:45,326 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-19 21:13:45,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:13:45,338 INFO L225 Difference]: With dead ends: 64 [2019-11-19 21:13:45,338 INFO L226 Difference]: Without dead ends: 30 [2019-11-19 21:13:45,344 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 21:13:45,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-19 21:13:45,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-11-19 21:13:45,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-19 21:13:45,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2019-11-19 21:13:45,384 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 40 transitions. Word has length 11 [2019-11-19 21:13:45,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:13:45,385 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 40 transitions. [2019-11-19 21:13:45,385 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-19 21:13:45,385 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2019-11-19 21:13:45,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-19 21:13:45,386 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:13:45,386 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:13:45,594 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-19 21:13:45,595 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:13:45,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:13:45,596 INFO L82 PathProgramCache]: Analyzing trace with hash 574087680, now seen corresponding path program 1 times [2019-11-19 21:13:45,597 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 21:13:45,598 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1616278220] [2019-11-19 21:13:45,598 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2019-11-19 21:13:45,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:13:45,924 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-19 21:13:45,926 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 21:13:45,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:13:45,966 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-19 21:13:46,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:13:46,031 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1616278220] [2019-11-19 21:13:46,031 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:13:46,031 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-19 21:13:46,031 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879052815] [2019-11-19 21:13:46,033 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-19 21:13:46,033 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-19 21:13:46,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 21:13:46,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-19 21:13:46,034 INFO L87 Difference]: Start difference. First operand 30 states and 40 transitions. Second operand 6 states. [2019-11-19 21:13:46,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:13:46,253 INFO L93 Difference]: Finished difference Result 38 states and 47 transitions. [2019-11-19 21:13:46,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 21:13:46,255 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2019-11-19 21:13:46,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:13:46,255 INFO L225 Difference]: With dead ends: 38 [2019-11-19 21:13:46,255 INFO L226 Difference]: Without dead ends: 16 [2019-11-19 21:13:46,257 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-19 21:13:46,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-19 21:13:46,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-19 21:13:46,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-19 21:13:46,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2019-11-19 21:13:46,261 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 13 [2019-11-19 21:13:46,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:13:46,261 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2019-11-19 21:13:46,262 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-19 21:13:46,262 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2019-11-19 21:13:46,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-19 21:13:46,262 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:13:46,263 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:13:46,467 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-19 21:13:46,468 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:13:46,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:13:46,469 INFO L82 PathProgramCache]: Analyzing trace with hash 1520936507, now seen corresponding path program 1 times [2019-11-19 21:13:46,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 21:13:46,471 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1190060029] [2019-11-19 21:13:46,471 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2019-11-19 21:13:46,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:13:46,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-19 21:13:46,594 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 21:13:46,642 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 21:13:46,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:13:46,694 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-19 21:13:47,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:13:47,588 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1190060029] [2019-11-19 21:13:47,588 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:13:47,588 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2019-11-19 21:13:47,593 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767274663] [2019-11-19 21:13:47,593 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-19 21:13:47,594 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-19 21:13:47,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-19 21:13:47,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2019-11-19 21:13:47,595 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 14 states. [2019-11-19 21:13:47,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:13:47,887 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2019-11-19 21:13:47,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-19 21:13:47,888 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 15 [2019-11-19 21:13:47,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:13:47,888 INFO L225 Difference]: With dead ends: 16 [2019-11-19 21:13:47,888 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 21:13:47,890 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2019-11-19 21:13:47,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 21:13:47,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 21:13:47,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 21:13:47,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 21:13:47,891 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2019-11-19 21:13:47,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:13:47,891 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 21:13:47,891 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-19 21:13:47,891 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 21:13:47,892 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 21:13:48,093 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-19 21:13:48,099 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 21:13:48,220 INFO L444 ceAbstractionStarter]: For program point L85(lines 85 89) no Hoare annotation was computed. [2019-11-19 21:13:48,220 INFO L440 ceAbstractionStarter]: At program point L94(lines 20 96) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (and (= ULTIMATE.start___ieee754_logf_~x .cse0) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_logf_~ix~0) ((_ extract 30 23) ULTIMATE.start___ieee754_logf_~ix~0) ((_ extract 22 0) ULTIMATE.start___ieee754_logf_~ix~0)) .cse0) (= |ULTIMATE.start___ieee754_logf_#res| (fp.add roundNearestTiesToEven .cse0 .cse0)))) [2019-11-19 21:13:48,220 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 21:13:48,221 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 21:13:48,221 INFO L444 ceAbstractionStarter]: For program point L37(lines 37 45) no Hoare annotation was computed. [2019-11-19 21:13:48,221 INFO L444 ceAbstractionStarter]: For program point L37-1(lines 37 45) no Hoare annotation was computed. [2019-11-19 21:13:48,221 INFO L444 ceAbstractionStarter]: For program point L120(lines 120 123) no Hoare annotation was computed. [2019-11-19 21:13:48,221 INFO L444 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-19 21:13:48,221 INFO L444 ceAbstractionStarter]: For program point L31(lines 31 32) no Hoare annotation was computed. [2019-11-19 21:13:48,222 INFO L444 ceAbstractionStarter]: For program point L56(lines 56 72) no Hoare annotation was computed. [2019-11-19 21:13:48,222 INFO L444 ceAbstractionStarter]: For program point L40-1(lines 40 44) no Hoare annotation was computed. [2019-11-19 21:13:48,222 INFO L440 ceAbstractionStarter]: At program point L40-2(lines 40 44) the Hoare annotation is: false [2019-11-19 21:13:48,222 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 21:13:48,222 INFO L444 ceAbstractionStarter]: For program point L57(lines 57 64) no Hoare annotation was computed. [2019-11-19 21:13:48,222 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 121) no Hoare annotation was computed. [2019-11-19 21:13:48,223 INFO L444 ceAbstractionStarter]: For program point L24-1(lines 24 28) no Hoare annotation was computed. [2019-11-19 21:13:48,223 INFO L440 ceAbstractionStarter]: At program point L24-2(lines 24 28) the Hoare annotation is: (= ULTIMATE.start___ieee754_logf_~x (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) [2019-11-19 21:13:48,223 INFO L444 ceAbstractionStarter]: For program point L24-3(lines 24 28) no Hoare annotation was computed. [2019-11-19 21:13:48,223 INFO L444 ceAbstractionStarter]: For program point L49-1(lines 49 53) no Hoare annotation was computed. [2019-11-19 21:13:48,223 INFO L440 ceAbstractionStarter]: At program point L49-2(lines 49 53) the Hoare annotation is: false [2019-11-19 21:13:48,223 INFO L444 ceAbstractionStarter]: For program point L49-3(lines 49 53) no Hoare annotation was computed. [2019-11-19 21:13:48,224 INFO L440 ceAbstractionStarter]: At program point L107(lines 99 108) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (let ((.cse1 (fp.add roundNearestTiesToEven .cse0 .cse0))) (and (= ULTIMATE.start___ieee754_logf_~x .cse0) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_logf_~ix~0) ((_ extract 30 23) ULTIMATE.start___ieee754_logf_~ix~0) ((_ extract 22 0) ULTIMATE.start___ieee754_logf_~ix~0)) .cse0) (= (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~1)) .cse1) (= (bvadd |ULTIMATE.start_isinf_float_#res| (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_isinf_float_~x .cse1) (= |ULTIMATE.start___ieee754_logf_#res| .cse1)))) [2019-11-19 21:13:48,224 INFO L444 ceAbstractionStarter]: For program point L66(lines 66 71) no Hoare annotation was computed. [2019-11-19 21:13:48,224 INFO L444 ceAbstractionStarter]: For program point L33(lines 33 34) no Hoare annotation was computed. [2019-11-19 21:13:48,224 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 21:13:48,224 INFO L447 ceAbstractionStarter]: At program point L124(lines 110 125) the Hoare annotation is: true [2019-11-19 21:13:48,225 INFO L444 ceAbstractionStarter]: For program point L91(lines 91 94) no Hoare annotation was computed. [2019-11-19 21:13:48,225 INFO L444 ceAbstractionStarter]: For program point L58(lines 58 63) no Hoare annotation was computed. [2019-11-19 21:13:48,225 INFO L444 ceAbstractionStarter]: For program point L83(lines 83 95) no Hoare annotation was computed. [2019-11-19 21:13:48,225 INFO L444 ceAbstractionStarter]: For program point L101-1(lines 101 105) no Hoare annotation was computed. [2019-11-19 21:13:48,225 INFO L444 ceAbstractionStarter]: For program point L35(lines 35 36) no Hoare annotation was computed. [2019-11-19 21:13:48,225 INFO L440 ceAbstractionStarter]: At program point L101-2(lines 101 105) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (let ((.cse1 (fp.add roundNearestTiesToEven .cse0 .cse0))) (and (= ULTIMATE.start___ieee754_logf_~x .cse0) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_logf_~ix~0) ((_ extract 30 23) ULTIMATE.start___ieee754_logf_~ix~0) ((_ extract 22 0) ULTIMATE.start___ieee754_logf_~ix~0)) .cse0) (= ULTIMATE.start_isinf_float_~x .cse1) (= |ULTIMATE.start___ieee754_logf_#res| .cse1)))) [2019-11-19 21:13:48,226 INFO L444 ceAbstractionStarter]: For program point L101-3(lines 101 105) no Hoare annotation was computed. [2019-11-19 21:13:48,237 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,238 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,238 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,239 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,239 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,239 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,239 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,240 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,240 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,240 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,241 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,241 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,241 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,241 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,242 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,242 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,242 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,242 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,243 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,247 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,247 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,247 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,248 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,248 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,248 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,248 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,249 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,249 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,249 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,249 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,250 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,250 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,250 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,250 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,251 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,251 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,251 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,251 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,253 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,253 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,253 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,254 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,254 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,254 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,255 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,255 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,255 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,256 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,256 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,256 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,256 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,257 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,257 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,257 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,257 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,258 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,258 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,259 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,259 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,259 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,260 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,260 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,260 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,260 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,261 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,261 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,261 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,261 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,262 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,262 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,263 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,263 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,263 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,264 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,264 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,264 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,264 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,265 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,265 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,266 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,266 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,266 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,267 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,267 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,267 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,267 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,268 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,268 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 09:13:48 BoogieIcfgContainer [2019-11-19 21:13:48,275 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 21:13:48,276 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 21:13:48,276 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 21:13:48,277 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 21:13:48,277 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:13:44" (3/4) ... [2019-11-19 21:13:48,282 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 21:13:48,300 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2019-11-19 21:13:48,300 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-11-19 21:13:48,301 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-19 21:13:48,337 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) [2019-11-19 21:13:48,339 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) && x == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) [2019-11-19 21:13:48,340 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && x == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) [2019-11-19 21:13:48,408 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 21:13:48,408 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 21:13:48,411 INFO L168 Benchmark]: Toolchain (without parser) took 15589.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 956.3 MB in the beginning and 964.1 MB in the end (delta: -7.8 MB). Peak memory consumption was 136.4 MB. Max. memory is 11.5 GB. [2019-11-19 21:13:48,411 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 21:13:48,412 INFO L168 Benchmark]: CACSL2BoogieTranslator took 418.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -176.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-11-19 21:13:48,412 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 21:13:48,412 INFO L168 Benchmark]: Boogie Preprocessor took 44.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-19 21:13:48,413 INFO L168 Benchmark]: RCFGBuilder took 11487.31 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: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2019-11-19 21:13:48,413 INFO L168 Benchmark]: TraceAbstraction took 3445.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 970.6 MB in the end (delta: 125.1 MB). Peak memory consumption was 125.1 MB. Max. memory is 11.5 GB. [2019-11-19 21:13:48,414 INFO L168 Benchmark]: Witness Printer took 132.51 ms. Allocated memory is still 1.2 GB. Free memory was 970.6 MB in the beginning and 964.1 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-19 21:13:48,416 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 418.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -176.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 11487.31 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: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3445.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 970.6 MB in the end (delta: 125.1 MB). Peak memory consumption was 125.1 MB. Max. memory is 11.5 GB. * Witness Printer took 132.51 ms. Allocated memory is still 1.2 GB. Free memory was 970.6 MB in the beginning and 964.1 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 121]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant [2019-11-19 21:13:48,425 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,426 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,426 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,426 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,426 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,427 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,427 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,427 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,427 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,428 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,428 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,428 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,428 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,428 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,429 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,429 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,429 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,429 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,429 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,431 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,431 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,431 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,431 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,432 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,432 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,432 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,432 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,433 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,433 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,433 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,433 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,434 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,437 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,437 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,437 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,437 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,438 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,438 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && x == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 24]: Loop Invariant [2019-11-19 21:13:48,439 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,439 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,442 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,442 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 101]: Loop Invariant [2019-11-19 21:13:48,443 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,443 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,443 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,443 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,443 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,444 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,444 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,444 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,444 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,444 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,448 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,448 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,448 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,448 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,449 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,450 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,450 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,450 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,450 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,450 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,452 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,452 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,453 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,453 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,453 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,453 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,453 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,454 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) && x == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 20]: Loop Invariant [2019-11-19 21:13:48,455 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,456 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,456 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,456 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,456 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,456 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,457 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,457 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,457 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,458 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,458 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,458 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,458 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,458 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,459 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,459 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,459 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:13:48,459 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 1 error locations. Result: SAFE, OverallTime: 3.3s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 61 SDtfs, 43 SDslu, 59 SDs, 0 SdLazy, 43 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 12 NumberOfFragments, 187 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 72 ConstructedInterpolants, 9 QuantifiedInterpolants, 6044 SizeOfPredicates, 15 NumberOfNonLiveVariables, 141 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...