./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1052b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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_1052b.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cc877de57a66c963d01f9b35f68134e8e891b009 ........................................................................................................................................................................................................................................................................................................ 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 -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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_1052b.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cc877de57a66c963d01f9b35f68134e8e891b009 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 22:00:30,318 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 22:00:30,321 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 22:00:30,375 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 22:00:30,375 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 22:00:30,377 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 22:00:30,379 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 22:00:30,381 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 22:00:30,384 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 22:00:30,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 22:00:30,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 22:00:30,388 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 22:00:30,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 22:00:30,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 22:00:30,391 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 22:00:30,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 22:00:30,395 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 22:00:30,399 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 22:00:30,401 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 22:00:30,416 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 22:00:30,418 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 22:00:30,420 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 22:00:30,422 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 22:00:30,423 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 22:00:30,426 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 22:00:30,426 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 22:00:30,427 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 22:00:30,428 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 22:00:30,429 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 22:00:30,430 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 22:00:30,430 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 22:00:30,431 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 22:00:30,432 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 22:00:30,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 22:00:30,435 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 22:00:30,435 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 22:00:30,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 22:00:30,436 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 22:00:30,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 22:00:30,438 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 22:00:30,439 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 22:00:30,440 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 22:00:30,468 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 22:00:30,468 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 22:00:30,470 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 22:00:30,470 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 22:00:30,471 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 22:00:30,471 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 22:00:30,471 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 22:00:30,471 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 22:00:30,472 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 22:00:30,472 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 22:00:30,472 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 22:00:30,472 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 22:00:30,473 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 22:00:30,473 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 22:00:30,473 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 22:00:30,473 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 22:00:30,474 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 22:00:30,474 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 22:00:30,474 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 22:00:30,474 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 22:00:30,475 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 22:00:30,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 22:00:30,475 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 22:00:30,475 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 22:00:30,476 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 22:00:30,476 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 22:00:30,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 22:00:30,476 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 22:00:30,477 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 22:00:30,477 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc877de57a66c963d01f9b35f68134e8e891b009 [2020-10-25 22:00:30,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 22:00:30,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 22:00:30,923 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 22:00:30,925 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 22:00:30,926 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 22:00:30,927 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1052b.c [2020-10-25 22:00:31,010 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee58ebd38/fff68533e9dc483ab532b3362e36da46/FLAG71a435051 [2020-10-25 22:00:31,699 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 22:00:31,701 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1052b.c [2020-10-25 22:00:31,711 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee58ebd38/fff68533e9dc483ab532b3362e36da46/FLAG71a435051 [2020-10-25 22:00:32,032 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee58ebd38/fff68533e9dc483ab532b3362e36da46 [2020-10-25 22:00:32,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 22:00:32,046 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 22:00:32,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 22:00:32,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 22:00:32,057 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 22:00:32,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 10:00:32" (1/1) ... [2020-10-25 22:00:32,067 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c5c1a7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:32, skipping insertion in model container [2020-10-25 22:00:32,068 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 10:00:32" (1/1) ... [2020-10-25 22:00:32,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 22:00:32,107 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 22:00:32,340 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 22:00:32,351 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 22:00:32,385 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 22:00:32,404 INFO L208 MainTranslator]: Completed translation [2020-10-25 22:00:32,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:32 WrapperNode [2020-10-25 22:00:32,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 22:00:32,406 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 22:00:32,407 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 22:00:32,407 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 22:00:32,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:32" (1/1) ... [2020-10-25 22:00:32,426 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:32" (1/1) ... [2020-10-25 22:00:32,453 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 22:00:32,454 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 22:00:32,454 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 22:00:32,454 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 22:00:32,465 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:32" (1/1) ... [2020-10-25 22:00:32,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:32" (1/1) ... [2020-10-25 22:00:32,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:32" (1/1) ... [2020-10-25 22:00:32,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:32" (1/1) ... [2020-10-25 22:00:32,478 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:32" (1/1) ... [2020-10-25 22:00:32,483 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:32" (1/1) ... [2020-10-25 22:00:32,485 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:32" (1/1) ... [2020-10-25 22:00:32,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 22:00:32,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 22:00:32,490 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 22:00:32,490 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 22:00:32,491 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:32" (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 [2020-10-25 22:00:32,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 22:00:32,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 22:00:32,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-25 22:00:32,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-25 22:00:32,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-25 22:00:32,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 22:00:32,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 22:00:32,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-25 22:00:32,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-25 22:00:33,078 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 22:00:33,078 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-25 22:00:33,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:00:33 BoogieIcfgContainer [2020-10-25 22:00:33,080 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 22:00:33,082 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 22:00:33,082 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 22:00:33,086 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 22:00:33,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 10:00:32" (1/3) ... [2020-10-25 22:00:33,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67a30223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 10:00:33, skipping insertion in model container [2020-10-25 22:00:33,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:32" (2/3) ... [2020-10-25 22:00:33,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67a30223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 10:00:33, skipping insertion in model container [2020-10-25 22:00:33,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:00:33" (3/3) ... [2020-10-25 22:00:33,090 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1052b.c [2020-10-25 22:00:33,103 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 22:00:33,109 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 22:00:33,125 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 22:00:33,188 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 22:00:33,189 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 22:00:33,189 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 22:00:33,189 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 22:00:33,189 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 22:00:33,189 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 22:00:33,190 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 22:00:33,202 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 22:00:33,230 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2020-10-25 22:00:33,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-25 22:00:33,255 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:00:33,257 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:00:33,257 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:00:33,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:00:33,268 INFO L82 PathProgramCache]: Analyzing trace with hash -2064187560, now seen corresponding path program 1 times [2020-10-25 22:00:33,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:00:33,281 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651435787] [2020-10-25 22:00:33,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:00:33,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:00:33,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:00:33,536 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651435787] [2020-10-25 22:00:33,537 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:00:33,537 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 22:00:33,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58152040] [2020-10-25 22:00:33,544 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 22:00:33,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:00:33,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 22:00:33,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 22:00:33,565 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2020-10-25 22:00:33,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:00:33,588 INFO L93 Difference]: Finished difference Result 57 states and 87 transitions. [2020-10-25 22:00:33,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 22:00:33,590 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-10-25 22:00:33,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:00:33,604 INFO L225 Difference]: With dead ends: 57 [2020-10-25 22:00:33,604 INFO L226 Difference]: Without dead ends: 26 [2020-10-25 22:00:33,608 INFO L677 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 [2020-10-25 22:00:33,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2020-10-25 22:00:33,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2020-10-25 22:00:33,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-10-25 22:00:33,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 34 transitions. [2020-10-25 22:00:33,651 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 34 transitions. Word has length 12 [2020-10-25 22:00:33,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:00:33,652 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 34 transitions. [2020-10-25 22:00:33,652 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 22:00:33,652 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2020-10-25 22:00:33,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-25 22:00:33,653 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:00:33,653 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:00:33,653 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 22:00:33,654 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:00:33,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:00:33,655 INFO L82 PathProgramCache]: Analyzing trace with hash -1026834198, now seen corresponding path program 1 times [2020-10-25 22:00:33,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:00:33,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910205882] [2020-10-25 22:00:33,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:00:33,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 22:00:33,755 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 22:00:33,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 22:00:33,814 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 22:00:33,845 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-25 22:00:33,845 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-25 22:00:33,847 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 22:00:33,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 10:00:33 BoogieIcfgContainer [2020-10-25 22:00:33,907 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 22:00:33,909 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 22:00:33,909 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 22:00:33,909 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 22:00:33,910 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:00:33" (3/4) ... [2020-10-25 22:00:33,914 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-25 22:00:33,915 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 22:00:33,921 INFO L168 Benchmark]: Toolchain (without parser) took 1876.31 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 34.0 MB in the beginning and 37.0 MB in the end (delta: -3.0 MB). Peak memory consumption was 12.2 MB. Max. memory is 16.1 GB. [2020-10-25 22:00:33,922 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 39.8 MB. Free memory is still 20.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 22:00:33,925 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.40 ms. Allocated memory is still 56.6 MB. Free memory was 33.3 MB in the beginning and 38.3 MB in the end (delta: -5.1 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. [2020-10-25 22:00:33,926 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.65 ms. Allocated memory is still 56.6 MB. Free memory was 38.2 MB in the beginning and 36.5 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 22:00:33,928 INFO L168 Benchmark]: Boogie Preprocessor took 35.21 ms. Allocated memory is still 56.6 MB. Free memory was 36.5 MB in the beginning and 35.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 22:00:33,929 INFO L168 Benchmark]: RCFGBuilder took 590.13 ms. Allocated memory is still 56.6 MB. Free memory was 35.0 MB in the beginning and 32.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. [2020-10-25 22:00:33,931 INFO L168 Benchmark]: TraceAbstraction took 825.94 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 32.0 MB in the beginning and 37.6 MB in the end (delta: -5.7 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2020-10-25 22:00:33,932 INFO L168 Benchmark]: Witness Printer took 6.50 ms. Allocated memory is still 69.2 MB. Free memory was 37.3 MB in the beginning and 37.0 MB in the end (delta: 328.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 22:00:33,950 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 39.8 MB. Free memory is still 20.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 353.40 ms. Allocated memory is still 56.6 MB. Free memory was 33.3 MB in the beginning and 38.3 MB in the end (delta: -5.1 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.65 ms. Allocated memory is still 56.6 MB. Free memory was 38.2 MB in the beginning and 36.5 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.21 ms. Allocated memory is still 56.6 MB. Free memory was 36.5 MB in the beginning and 35.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 590.13 ms. Allocated memory is still 56.6 MB. Free memory was 35.0 MB in the beginning and 32.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 825.94 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 32.0 MB in the beginning and 37.6 MB in the end (delta: -5.7 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. * Witness Printer took 6.50 ms. Allocated memory is still 69.2 MB. Free memory was 37.3 MB in the beginning and 37.0 MB in the end (delta: 328.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 77, overapproximation of bitwiseAnd at line 66. Possible FailurePath: [L13] static const float huge_floor = 1.0e30; VAL [huge_floor=1000000000000000000000000000000] [L77] float x = -1.0f / 0.0f; [L16] __int32_t i0, j0; [L17] __uint32_t i, ix; VAL [huge_floor=1000000000000000000000000000000] [L19] ieee_float_shape_type gf_u; [L20] gf_u.value = (x) [L21] EXPR gf_u.word [L21] (i0) = gf_u.word [L23] ix = (i0 & 0x7fffffff) [L24] j0 = (ix >> 23) - 0x7f VAL [huge_floor=1000000000000000000000000000000] [L25] COND FALSE !(j0 < 23) VAL [huge_floor=1000000000000000000000000000000] [L45] COND FALSE !(!((ix) < 0x7f800000L)) [L48] return x; VAL [huge_floor=1000000000000000000000000000000] [L78] float res = floor_float(x); [L60] __int32_t ix; VAL [huge_floor=1000000000000000000000000000000] [L62] ieee_float_shape_type gf_u; [L63] gf_u.value = (x) [L64] EXPR gf_u.word [L64] (ix) = gf_u.word [L66] ix &= 0x7fffffff [L67] return ((ix) == 0x7f800000L); VAL [huge_floor=1000000000000000000000000000000] [L81] COND TRUE !isinf_float(res) [L3] __assert_fail("0", "float_req_bl_1052b.c", 3, "reach_error") VAL [huge_floor=1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 37 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=30occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 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, ACCELERATED_INTERPOLATION: 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 0.2.0-5485861 [2020-10-25 22:00:36,754 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 22:00:36,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 22:00:36,819 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 22:00:36,820 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 22:00:36,827 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 22:00:36,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 22:00:36,833 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 22:00:36,842 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 22:00:36,843 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 22:00:36,845 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 22:00:36,846 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 22:00:36,847 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 22:00:36,848 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 22:00:36,849 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 22:00:36,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 22:00:36,851 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 22:00:36,853 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 22:00:36,855 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 22:00:36,857 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 22:00:36,859 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 22:00:36,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 22:00:36,862 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 22:00:36,863 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 22:00:36,867 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 22:00:36,867 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 22:00:36,868 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 22:00:36,869 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 22:00:36,869 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 22:00:36,871 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 22:00:36,871 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 22:00:36,872 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 22:00:36,873 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 22:00:36,874 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 22:00:36,875 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 22:00:36,875 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 22:00:36,876 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 22:00:36,876 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 22:00:36,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 22:00:36,890 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 22:00:36,891 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 22:00:36,892 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-25 22:00:36,924 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 22:00:36,924 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 22:00:36,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 22:00:36,926 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 22:00:36,926 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 22:00:36,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 22:00:36,926 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 22:00:36,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 22:00:36,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 22:00:36,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 22:00:36,927 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 22:00:36,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 22:00:36,927 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-25 22:00:36,928 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-25 22:00:36,928 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 22:00:36,928 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 22:00:36,928 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 22:00:36,928 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 22:00:36,929 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 22:00:36,929 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 22:00:36,929 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 22:00:36,929 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 22:00:36,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 22:00:36,930 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 22:00:36,930 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 22:00:36,930 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 22:00:36,930 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-25 22:00:36,930 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-25 22:00:36,931 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 22:00:36,931 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 22:00:36,931 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-25 22:00:36,931 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc877de57a66c963d01f9b35f68134e8e891b009 [2020-10-25 22:00:37,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 22:00:37,372 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 22:00:37,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 22:00:37,380 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 22:00:37,381 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 22:00:37,382 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1052b.c [2020-10-25 22:00:37,469 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d422d3874/a2ed738f01a94fa3acd24eddadded3cf/FLAGd0148daef [2020-10-25 22:00:38,160 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 22:00:38,161 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1052b.c [2020-10-25 22:00:38,173 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d422d3874/a2ed738f01a94fa3acd24eddadded3cf/FLAGd0148daef [2020-10-25 22:00:38,469 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d422d3874/a2ed738f01a94fa3acd24eddadded3cf [2020-10-25 22:00:38,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 22:00:38,480 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 22:00:38,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 22:00:38,483 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 22:00:38,487 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 22:00:38,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 10:00:38" (1/1) ... [2020-10-25 22:00:38,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d2f6d20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:38, skipping insertion in model container [2020-10-25 22:00:38,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 10:00:38" (1/1) ... [2020-10-25 22:00:38,501 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 22:00:38,520 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 22:00:38,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 22:00:38,789 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 22:00:38,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 22:00:38,854 INFO L208 MainTranslator]: Completed translation [2020-10-25 22:00:38,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:38 WrapperNode [2020-10-25 22:00:38,858 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 22:00:38,860 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 22:00:38,861 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 22:00:38,863 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 22:00:38,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:38" (1/1) ... [2020-10-25 22:00:38,908 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:38" (1/1) ... [2020-10-25 22:00:38,940 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 22:00:38,941 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 22:00:38,941 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 22:00:38,941 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 22:00:38,952 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:38" (1/1) ... [2020-10-25 22:00:38,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:38" (1/1) ... [2020-10-25 22:00:38,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:38" (1/1) ... [2020-10-25 22:00:38,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:38" (1/1) ... [2020-10-25 22:00:38,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:38" (1/1) ... [2020-10-25 22:00:38,976 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:38" (1/1) ... [2020-10-25 22:00:38,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:38" (1/1) ... [2020-10-25 22:00:38,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 22:00:38,985 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 22:00:38,986 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 22:00:38,986 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 22:00:38,987 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:38" (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 [2020-10-25 22:00:39,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-25 22:00:39,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 22:00:39,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-10-25 22:00:39,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-25 22:00:39,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 22:00:39,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 22:00:39,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-10-25 22:00:39,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-25 22:00:39,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-25 22:00:40,077 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 22:00:40,078 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-25 22:00:40,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:00:40 BoogieIcfgContainer [2020-10-25 22:00:40,080 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 22:00:40,082 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 22:00:40,082 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 22:00:40,086 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 22:00:40,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 10:00:38" (1/3) ... [2020-10-25 22:00:40,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62c8c7b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 10:00:40, skipping insertion in model container [2020-10-25 22:00:40,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:38" (2/3) ... [2020-10-25 22:00:40,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62c8c7b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 10:00:40, skipping insertion in model container [2020-10-25 22:00:40,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:00:40" (3/3) ... [2020-10-25 22:00:40,091 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1052b.c [2020-10-25 22:00:40,104 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 22:00:40,110 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 22:00:40,125 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 22:00:40,160 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 22:00:40,161 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 22:00:40,161 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 22:00:40,161 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 22:00:40,162 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 22:00:40,162 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 22:00:40,162 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 22:00:40,162 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 22:00:40,178 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2020-10-25 22:00:40,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-25 22:00:40,186 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:00:40,187 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:00:40,187 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:00:40,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:00:40,194 INFO L82 PathProgramCache]: Analyzing trace with hash -2064187560, now seen corresponding path program 1 times [2020-10-25 22:00:40,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-25 22:00:40,210 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1018672726] [2020-10-25 22:00:40,210 INFO L95 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 [2020-10-25 22:00:40,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:00:40,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-25 22:00:40,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 22:00:40,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:00:40,412 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-25 22:00:40,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:00:40,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1018672726] [2020-10-25 22:00:40,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:00:40,421 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-25 22:00:40,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631581657] [2020-10-25 22:00:40,427 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 22:00:40,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-25 22:00:40,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 22:00:40,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 22:00:40,447 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2020-10-25 22:00:40,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:00:40,469 INFO L93 Difference]: Finished difference Result 57 states and 87 transitions. [2020-10-25 22:00:40,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 22:00:40,470 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-10-25 22:00:40,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:00:40,482 INFO L225 Difference]: With dead ends: 57 [2020-10-25 22:00:40,482 INFO L226 Difference]: Without dead ends: 26 [2020-10-25 22:00:40,485 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 22:00:40,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2020-10-25 22:00:40,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2020-10-25 22:00:40,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-10-25 22:00:40,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 34 transitions. [2020-10-25 22:00:40,530 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 34 transitions. Word has length 12 [2020-10-25 22:00:40,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:00:40,530 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 34 transitions. [2020-10-25 22:00:40,530 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 22:00:40,531 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2020-10-25 22:00:40,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-25 22:00:40,532 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:00:40,532 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:00:40,746 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-25 22:00:40,747 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:00:40,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:00:40,749 INFO L82 PathProgramCache]: Analyzing trace with hash -1026834198, now seen corresponding path program 1 times [2020-10-25 22:00:40,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-25 22:00:40,751 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1867712341] [2020-10-25 22:00:40,751 INFO L95 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 [2020-10-25 22:00:40,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:00:40,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-25 22:00:40,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 22:00:41,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:00:41,111 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-25 22:00:41,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:00:41,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1867712341] [2020-10-25 22:00:41,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:00:41,276 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-10-25 22:00:41,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557734483] [2020-10-25 22:00:41,279 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-25 22:00:41,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-25 22:00:41,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-25 22:00:41,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-25 22:00:41,281 INFO L87 Difference]: Start difference. First operand 26 states and 34 transitions. Second operand 8 states. [2020-10-25 22:00:41,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:00:41,677 INFO L93 Difference]: Finished difference Result 37 states and 44 transitions. [2020-10-25 22:00:41,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 22:00:41,680 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2020-10-25 22:00:41,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:00:41,683 INFO L225 Difference]: With dead ends: 37 [2020-10-25 22:00:41,683 INFO L226 Difference]: Without dead ends: 22 [2020-10-25 22:00:41,685 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-25 22:00:41,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2020-10-25 22:00:41,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2020-10-25 22:00:41,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-10-25 22:00:41,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2020-10-25 22:00:41,694 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 14 [2020-10-25 22:00:41,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:00:41,694 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2020-10-25 22:00:41,694 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-25 22:00:41,694 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2020-10-25 22:00:41,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-25 22:00:41,695 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:00:41,695 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:00:41,901 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-25 22:00:41,902 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:00:41,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:00:41,904 INFO L82 PathProgramCache]: Analyzing trace with hash -217487572, now seen corresponding path program 1 times [2020-10-25 22:00:41,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-25 22:00:41,905 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [726661692] [2020-10-25 22:00:41,906 INFO L95 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 [2020-10-25 22:00:42,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:00:42,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 15 conjunts are in the unsatisfiable core [2020-10-25 22:00:42,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 22:00:42,250 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-25 22:00:42,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:00:42,348 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-25 22:00:43,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:00:43,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [726661692] [2020-10-25 22:00:43,315 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:00:43,315 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 15 [2020-10-25 22:00:43,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123270134] [2020-10-25 22:00:43,316 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-25 22:00:43,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-25 22:00:43,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-25 22:00:43,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2020-10-25 22:00:43,318 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand 15 states. [2020-10-25 22:00:44,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:00:44,164 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2020-10-25 22:00:44,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-25 22:00:44,165 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 14 [2020-10-25 22:00:44,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:00:44,168 INFO L225 Difference]: With dead ends: 30 [2020-10-25 22:00:44,168 INFO L226 Difference]: Without dead ends: 21 [2020-10-25 22:00:44,169 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2020-10-25 22:00:44,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-10-25 22:00:44,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-10-25 22:00:44,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-10-25 22:00:44,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2020-10-25 22:00:44,184 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 14 [2020-10-25 22:00:44,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:00:44,185 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2020-10-25 22:00:44,185 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-25 22:00:44,185 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2020-10-25 22:00:44,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-25 22:00:44,188 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:00:44,188 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:00:44,389 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-25 22:00:44,389 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:00:44,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:00:44,390 INFO L82 PathProgramCache]: Analyzing trace with hash 1158240359, now seen corresponding path program 1 times [2020-10-25 22:00:44,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-25 22:00:44,394 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [977951063] [2020-10-25 22:00:44,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-10-25 22:00:44,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:00:44,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-25 22:00:44,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 22:00:44,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:00:44,735 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-25 22:00:44,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:00:44,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [977951063] [2020-10-25 22:00:44,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:00:44,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-10-25 22:00:44,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074024894] [2020-10-25 22:00:44,877 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-25 22:00:44,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-25 22:00:44,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-25 22:00:44,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-25 22:00:44,878 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 8 states. [2020-10-25 22:00:45,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:00:45,032 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2020-10-25 22:00:45,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 22:00:45,032 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2020-10-25 22:00:45,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:00:45,033 INFO L225 Difference]: With dead ends: 21 [2020-10-25 22:00:45,033 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 22:00:45,033 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-25 22:00:45,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 22:00:45,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 22:00:45,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 22:00:45,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 22:00:45,035 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-10-25 22:00:45,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:00:45,035 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 22:00:45,035 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-25 22:00:45,035 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 22:00:45,035 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 22:00:45,243 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-10-25 22:00:45,246 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 22:00:45,505 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2020-10-25 22:00:45,614 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 30 [2020-10-25 22:00:45,751 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2020-10-25 22:00:45,755 INFO L274 CegarLoopResult]: For program point L27(lines 27 33) no Hoare annotation was computed. [2020-10-25 22:00:45,755 INFO L274 CegarLoopResult]: For program point L81(lines 81 84) no Hoare annotation was computed. [2020-10-25 22:00:45,755 INFO L274 CegarLoopResult]: For program point L36(lines 36 37) no Hoare annotation was computed. [2020-10-25 22:00:45,755 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 22:00:45,755 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 22:00:45,755 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 22:00:45,756 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 22:00:45,756 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 22:00:45,756 INFO L274 CegarLoopResult]: For program point L28(lines 28 32) no Hoare annotation was computed. [2020-10-25 22:00:45,756 INFO L274 CegarLoopResult]: For program point L61-1(lines 61 65) no Hoare annotation was computed. [2020-10-25 22:00:45,765 INFO L270 CegarLoopResult]: At program point L61-2(lines 61 65) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven .cse1 .cse1)))) (and (= currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start_floor_float_~i0~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start_floor_float_~ix~0 (bvand (_ bv2147483647 32) ULTIMATE.start_floor_float_~i0~0)) (= (fp ((_ extract 31 31) ULTIMATE.start_floor_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_floor_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_floor_float_~i0~0)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))))) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start_floor_float_~x) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start_floor_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_floor_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_floor_float_~i0~0)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))) (= |ULTIMATE.start_floor_float_#res| .cse0) (= .cse0 ULTIMATE.start_isinf_float_~x))) [2020-10-25 22:00:45,765 INFO L274 CegarLoopResult]: For program point L61-3(lines 61 65) no Hoare annotation was computed. [2020-10-25 22:00:45,766 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 22:00:45,767 INFO L277 CegarLoopResult]: At program point L86(lines 70 87) the Hoare annotation is: true [2020-10-25 22:00:45,767 INFO L274 CegarLoopResult]: For program point L45(lines 45 48) no Hoare annotation was computed. [2020-10-25 22:00:45,768 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 22:00:45,768 INFO L274 CegarLoopResult]: For program point L25(lines 25 49) no Hoare annotation was computed. [2020-10-25 22:00:45,768 INFO L274 CegarLoopResult]: For program point L50(lines 50 54) no Hoare annotation was computed. [2020-10-25 22:00:45,768 INFO L274 CegarLoopResult]: For program point L50-1(lines 15 56) no Hoare annotation was computed. [2020-10-25 22:00:45,769 INFO L274 CegarLoopResult]: For program point L50-2(lines 50 54) no Hoare annotation was computed. [2020-10-25 22:00:45,769 INFO L274 CegarLoopResult]: For program point L38(lines 38 42) no Hoare annotation was computed. [2020-10-25 22:00:45,769 INFO L270 CegarLoopResult]: At program point L67(lines 59 68) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven .cse1 .cse1)))) (and (= currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start_floor_float_~i0~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start_floor_float_~ix~0 (bvand (_ bv2147483647 32) ULTIMATE.start_floor_float_~i0~0)) (= (fp ((_ extract 31 31) ULTIMATE.start_floor_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_floor_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_floor_float_~i0~0)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))))) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start_floor_float_~x) (= (bvadd |ULTIMATE.start_isinf_float_#res| (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd (bvand (_ bv2147483647 32) ULTIMATE.start_isinf_float_~ix~1) (_ bv2155872256 32)) (_ bv0 32)) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start_floor_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_floor_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_floor_float_~i0~0)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))) (= |ULTIMATE.start_floor_float_#res| .cse0) (= .cse0 ULTIMATE.start_isinf_float_~x))) [2020-10-25 22:00:45,769 INFO L274 CegarLoopResult]: For program point L30(lines 30 32) no Hoare annotation was computed. [2020-10-25 22:00:45,769 INFO L274 CegarLoopResult]: For program point L26(lines 26 43) no Hoare annotation was computed. [2020-10-25 22:00:45,770 INFO L270 CegarLoopResult]: At program point L55(lines 15 56) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start_floor_float_~i0~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start_floor_float_~ix~0 (bvand (_ bv2147483647 32) ULTIMATE.start_floor_float_~i0~0)) (= (fp ((_ extract 31 31) ULTIMATE.start_floor_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_floor_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_floor_float_~i0~0)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))))) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start_floor_float_~x) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start_floor_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_floor_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_floor_float_~i0~0)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))) (= |ULTIMATE.start_floor_float_#res| (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven .cse0 .cse0)))) [2020-10-25 22:00:45,770 INFO L274 CegarLoopResult]: For program point L18-1(lines 18 22) no Hoare annotation was computed. [2020-10-25 22:00:45,770 INFO L270 CegarLoopResult]: At program point L18-2(lines 18 22) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start_floor_float_~x)) [2020-10-25 22:00:45,770 INFO L274 CegarLoopResult]: For program point L18-3(lines 18 22) no Hoare annotation was computed. [2020-10-25 22:00:45,771 INFO L274 CegarLoopResult]: For program point L39(lines 39 40) no Hoare annotation was computed. [2020-10-25 22:00:45,774 INFO L274 CegarLoopResult]: For program point L39-2(lines 39 40) no Hoare annotation was computed. [2020-10-25 22:00:45,787 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,794 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 22:00:45,795 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 22:00:45,795 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 22:00:45,798 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,798 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 22:00:45,798 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 22:00:45,798 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 22:00:45,805 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,805 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,806 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,806 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,806 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,806 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,806 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,806 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,807 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,807 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,807 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,807 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,807 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,808 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,808 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,808 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,808 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,808 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,809 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,809 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 22:00:45,809 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 22:00:45,809 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 22:00:45,810 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,811 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,811 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,811 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,811 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,811 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,811 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,812 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,812 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,812 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,812 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,812 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,813 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,813 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,813 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,813 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,813 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,813 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,814 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,814 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 22:00:45,814 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 22:00:45,814 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 22:00:45,815 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,816 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,816 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,816 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,816 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,816 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,817 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,817 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,817 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,817 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,817 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,818 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,818 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,818 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,818 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 22:00:45,819 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 22:00:45,819 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 22:00:45,819 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,820 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,820 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,820 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,820 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,820 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,820 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,821 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,821 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,821 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,821 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,821 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,822 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,822 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,822 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 22:00:45,822 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 22:00:45,822 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 22:00:45,823 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,824 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,824 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,824 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,824 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,824 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,825 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,825 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,825 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,825 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,825 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,826 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,826 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,826 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,826 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,826 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,826 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,827 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,827 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,827 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 22:00:45,827 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 22:00:45,828 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 22:00:45,828 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,829 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,829 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,829 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,829 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,829 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,829 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,830 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,830 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,830 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,830 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,830 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,831 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,831 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,831 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,831 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,831 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,831 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,832 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,832 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 22:00:45,832 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 22:00:45,832 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 22:00:45,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 10:00:45 BoogieIcfgContainer [2020-10-25 22:00:45,835 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 22:00:45,836 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 22:00:45,836 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 22:00:45,836 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 22:00:45,836 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:00:40" (3/4) ... [2020-10-25 22:00:45,840 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 22:00:45,853 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2020-10-25 22:00:45,853 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-25 22:00:45,853 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 22:00:45,854 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 22:00:45,889 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists ULTIMATE.start_floor_float_~i0~0 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start_floor_float_~i0~0) && ~fp~LONGDOUBLE(ULTIMATE.start_floor_float_~i0~0[31:31], ULTIMATE.start_floor_float_~i0~0[30:23], ULTIMATE.start_floor_float_~i0~0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) [2020-10-25 22:00:45,889 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists ULTIMATE.start_floor_float_~i0~0 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start_floor_float_~i0~0) && ~fp~LONGDOUBLE(ULTIMATE.start_floor_float_~i0~0[31:31], ULTIMATE.start_floor_float_~i0~0[30:23], ULTIMATE.start_floor_float_~i0~0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == x [2020-10-25 22:00:45,890 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists ULTIMATE.start_floor_float_~i0~0 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start_floor_float_~i0~0) && ~fp~LONGDOUBLE(ULTIMATE.start_floor_float_~i0~0[31:31], ULTIMATE.start_floor_float_~i0~0[30:23], ULTIMATE.start_floor_float_~i0~0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~bvadd64(~bvand32(2147483647bv32, ix), 2155872256bv32) == 0bv32) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == x [2020-10-25 22:00:45,914 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 22:00:45,915 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 22:00:45,916 INFO L168 Benchmark]: Toolchain (without parser) took 7441.54 ms. Allocated memory was 48.2 MB in the beginning and 71.3 MB in the end (delta: 23.1 MB). Free memory was 26.0 MB in the beginning and 22.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 29.3 MB. Max. memory is 16.1 GB. [2020-10-25 22:00:45,917 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 39.8 MB. Free memory is still 24.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 22:00:45,917 INFO L168 Benchmark]: CACSL2BoogieTranslator took 376.56 ms. Allocated memory is still 48.2 MB. Free memory was 25.3 MB in the beginning and 25.6 MB in the end (delta: -259.9 kB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-10-25 22:00:45,918 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.30 ms. Allocated memory is still 48.2 MB. Free memory was 25.6 MB in the beginning and 23.9 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 22:00:45,918 INFO L168 Benchmark]: Boogie Preprocessor took 42.93 ms. Allocated memory is still 48.2 MB. Free memory was 23.9 MB in the beginning and 22.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 22:00:45,919 INFO L168 Benchmark]: RCFGBuilder took 1095.95 ms. Allocated memory is still 48.2 MB. Free memory was 22.3 MB in the beginning and 26.9 MB in the end (delta: -4.7 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. [2020-10-25 22:00:45,920 INFO L168 Benchmark]: TraceAbstraction took 5752.89 ms. Allocated memory was 48.2 MB in the beginning and 71.3 MB in the end (delta: 23.1 MB). Free memory was 26.5 MB in the beginning and 26.0 MB in the end (delta: 545.8 kB). Peak memory consumption was 32.4 MB. Max. memory is 16.1 GB. [2020-10-25 22:00:45,920 INFO L168 Benchmark]: Witness Printer took 79.16 ms. Allocated memory is still 71.3 MB. Free memory was 26.0 MB in the beginning and 22.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 22:00:45,927 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 39.8 MB. Free memory is still 24.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 376.56 ms. Allocated memory is still 48.2 MB. Free memory was 25.3 MB in the beginning and 25.6 MB in the end (delta: -259.9 kB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 80.30 ms. Allocated memory is still 48.2 MB. Free memory was 25.6 MB in the beginning and 23.9 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.93 ms. Allocated memory is still 48.2 MB. Free memory was 23.9 MB in the beginning and 22.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1095.95 ms. Allocated memory is still 48.2 MB. Free memory was 22.3 MB in the beginning and 26.9 MB in the end (delta: -4.7 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5752.89 ms. Allocated memory was 48.2 MB in the beginning and 71.3 MB in the end (delta: 23.1 MB). Free memory was 26.5 MB in the beginning and 26.0 MB in the end (delta: 545.8 kB). Peak memory consumption was 32.4 MB. Max. memory is 16.1 GB. * Witness Printer took 79.16 ms. Allocated memory is still 71.3 MB. Free memory was 26.0 MB in the beginning and 22.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: 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: 18]: Loop Invariant [2020-10-25 22:00:45,962 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,963 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 22:00:45,963 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 22:00:45,963 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 22:00:45,963 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,964 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 22:00:45,964 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 22:00:45,964 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 61]: Loop Invariant [2020-10-25 22:00:45,965 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,965 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,965 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,965 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,966 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,966 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,966 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,966 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,966 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,967 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,967 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,967 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,967 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,971 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,971 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,971 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,972 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,972 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,972 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,972 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 22:00:45,972 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 22:00:45,973 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 22:00:45,974 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,974 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,974 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,974 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,974 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,975 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,975 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,975 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,975 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,976 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,976 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,976 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,976 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,977 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,977 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,977 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,977 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,977 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,978 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,978 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 22:00:45,978 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 22:00:45,978 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists ULTIMATE.start_floor_float_~i0~0 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start_floor_float_~i0~0) && ~fp~LONGDOUBLE(ULTIMATE.start_floor_float_~i0~0[31:31], ULTIMATE.start_floor_float_~i0~0[30:23], ULTIMATE.start_floor_float_~i0~0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == x - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 15]: Loop Invariant [2020-10-25 22:00:45,980 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,980 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,980 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,980 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,981 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,981 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,981 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,981 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,982 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,982 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,982 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,982 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,982 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,983 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,983 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 22:00:45,983 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 22:00:45,983 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 22:00:45,984 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,984 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,984 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,985 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,985 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,985 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,985 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,985 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,986 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,986 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,986 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,986 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,987 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,987 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,987 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 22:00:45,987 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 22:00:45,988 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists ULTIMATE.start_floor_float_~i0~0 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start_floor_float_~i0~0) && ~fp~LONGDOUBLE(ULTIMATE.start_floor_float_~i0~0[31:31], ULTIMATE.start_floor_float_~i0~0[30:23], ULTIMATE.start_floor_float_~i0~0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 59]: Loop Invariant [2020-10-25 22:00:45,988 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,989 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,989 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,989 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,989 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,989 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,990 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,990 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,990 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,990 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,991 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,991 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,991 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,991 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,992 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,992 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,992 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,992 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,992 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,993 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 22:00:45,993 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 22:00:45,993 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 22:00:45,994 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,994 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,994 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,995 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,995 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-10-25 22:00:45,995 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,995 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,996 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,996 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-25 22:00:45,996 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,996 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,997 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,997 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,997 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,997 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,997 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,998 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,998 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,998 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-25 22:00:45,999 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 22:00:45,999 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-25 22:00:45,999 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists ULTIMATE.start_floor_float_~i0~0 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start_floor_float_~i0~0) && ~fp~LONGDOUBLE(ULTIMATE.start_floor_float_~i0~0[31:31], ULTIMATE.start_floor_float_~i0~0[30:23], ULTIMATE.start_floor_float_~i0~0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~bvadd64(~bvand32(2147483647bv32, ix), 2155872256bv32) == 0bv32) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == x - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.0s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 69 SDtfs, 154 SDslu, 131 SDs, 0 SdLazy, 101 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 82 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 269 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 40 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 108 ConstructedInterpolants, 18 QuantifiedInterpolants, 8797 SizeOfPredicates, 28 NumberOfNonLiveVariables, 233 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...