./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1270d.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc 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_1270d.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 976f334843509ce61229cfe6c2e95f4ffe1322fa ........................................................................................................................................................................................................................................................................................................................ 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_1270d.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 976f334843509ce61229cfe6c2e95f4ffe1322fa .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-10-24 23:27:11,150 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 23:27:11,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 23:27:11,208 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 23:27:11,208 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 23:27:11,214 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 23:27:11,216 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 23:27:11,222 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 23:27:11,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 23:27:11,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 23:27:11,233 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 23:27:11,237 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 23:27:11,238 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 23:27:11,241 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 23:27:11,243 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 23:27:11,245 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 23:27:11,246 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 23:27:11,249 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 23:27:11,253 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 23:27:11,259 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 23:27:11,262 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 23:27:11,265 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 23:27:11,266 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 23:27:11,267 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 23:27:11,270 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 23:27:11,270 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 23:27:11,271 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 23:27:11,271 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 23:27:11,272 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 23:27:11,273 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 23:27:11,273 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 23:27:11,274 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 23:27:11,275 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 23:27:11,276 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 23:27:11,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 23:27:11,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 23:27:11,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 23:27:11,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 23:27:11,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 23:27:11,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 23:27:11,280 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 23:27:11,280 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 23:27:11,308 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 23:27:11,308 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 23:27:11,309 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 23:27:11,310 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 23:27:11,310 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 23:27:11,310 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 23:27:11,310 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 23:27:11,311 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 23:27:11,311 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 23:27:11,311 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 23:27:11,311 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 23:27:11,311 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 23:27:11,312 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 23:27:11,312 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 23:27:11,312 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 23:27:11,312 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 23:27:11,312 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 23:27:11,313 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 23:27:11,313 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 23:27:11,313 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 23:27:11,313 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 23:27:11,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:27:11,314 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 23:27:11,314 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 23:27:11,314 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 23:27:11,314 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 23:27:11,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 23:27:11,315 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 23:27:11,315 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 23:27:11,315 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 976f334843509ce61229cfe6c2e95f4ffe1322fa [2020-10-24 23:27:11,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 23:27:11,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 23:27:11,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 23:27:11,757 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 23:27:11,758 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 23:27:11,759 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1270d.c [2020-10-24 23:27:11,844 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3aa3d6c0f/08ef69ad0efa4fc8afb555549eb84b31/FLAGc9bd84d7a [2020-10-24 23:27:12,421 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 23:27:12,422 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1270d.c [2020-10-24 23:27:12,434 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3aa3d6c0f/08ef69ad0efa4fc8afb555549eb84b31/FLAGc9bd84d7a [2020-10-24 23:27:12,770 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3aa3d6c0f/08ef69ad0efa4fc8afb555549eb84b31 [2020-10-24 23:27:12,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 23:27:12,781 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 23:27:12,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 23:27:12,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 23:27:12,791 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 23:27:12,792 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:27:12" (1/1) ... [2020-10-24 23:27:12,800 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f2063f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:27:12, skipping insertion in model container [2020-10-24 23:27:12,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:27:12" (1/1) ... [2020-10-24 23:27:12,810 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 23:27:12,866 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 23:27:13,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:27:13,178 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 23:27:13,240 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:27:13,258 INFO L208 MainTranslator]: Completed translation [2020-10-24 23:27:13,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:27:13 WrapperNode [2020-10-24 23:27:13,259 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 23:27:13,260 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 23:27:13,260 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 23:27:13,260 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 23:27:13,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:27:13" (1/1) ... [2020-10-24 23:27:13,284 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:27:13" (1/1) ... [2020-10-24 23:27:13,332 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 23:27:13,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 23:27:13,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 23:27:13,334 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 23:27:13,343 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:27:13" (1/1) ... [2020-10-24 23:27:13,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:27:13" (1/1) ... [2020-10-24 23:27:13,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:27:13" (1/1) ... [2020-10-24 23:27:13,353 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:27:13" (1/1) ... [2020-10-24 23:27:13,371 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:27:13" (1/1) ... [2020-10-24 23:27:13,383 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:27:13" (1/1) ... [2020-10-24 23:27:13,387 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:27:13" (1/1) ... [2020-10-24 23:27:13,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 23:27:13,395 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 23:27:13,395 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 23:27:13,395 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 23:27:13,399 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:27:13" (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 [2020-10-24 23:27:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 23:27:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 23:27:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 23:27:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 23:27:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 23:27:13,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 23:27:13,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 23:27:13,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 23:27:13,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 23:27:14,333 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 23:27:14,334 INFO L298 CfgBuilder]: Removed 54 assume(true) statements. [2020-10-24 23:27:14,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:27:14 BoogieIcfgContainer [2020-10-24 23:27:14,336 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 23:27:14,338 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 23:27:14,338 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 23:27:14,342 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 23:27:14,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:27:12" (1/3) ... [2020-10-24 23:27:14,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61dfcd17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:27:14, skipping insertion in model container [2020-10-24 23:27:14,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:27:13" (2/3) ... [2020-10-24 23:27:14,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61dfcd17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:27:14, skipping insertion in model container [2020-10-24 23:27:14,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:27:14" (3/3) ... [2020-10-24 23:27:14,346 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1270d.c [2020-10-24 23:27:14,357 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 23:27:14,363 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 23:27:14,376 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 23:27:14,415 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 23:27:14,415 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 23:27:14,415 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 23:27:14,415 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 23:27:14,415 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 23:27:14,415 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 23:27:14,416 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 23:27:14,416 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 23:27:14,437 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states. [2020-10-24 23:27:14,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-24 23:27:14,444 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:27:14,445 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:27:14,445 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:27:14,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:27:14,451 INFO L82 PathProgramCache]: Analyzing trace with hash 311741284, now seen corresponding path program 1 times [2020-10-24 23:27:14,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 23:27:14,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024108694] [2020-10-24 23:27:14,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 23:27:14,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:27:14,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:27:14,623 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024108694] [2020-10-24 23:27:14,623 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:27:14,624 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 23:27:14,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872787912] [2020-10-24 23:27:14,629 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 23:27:14,629 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 23:27:14,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 23:27:14,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:27:14,647 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 2 states. [2020-10-24 23:27:14,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:27:14,681 INFO L93 Difference]: Finished difference Result 213 states and 359 transitions. [2020-10-24 23:27:14,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 23:27:14,683 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-24 23:27:14,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:27:14,695 INFO L225 Difference]: With dead ends: 213 [2020-10-24 23:27:14,695 INFO L226 Difference]: Without dead ends: 104 [2020-10-24 23:27:14,699 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 [2020-10-24 23:27:14,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-10-24 23:27:14,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2020-10-24 23:27:14,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-10-24 23:27:14,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 136 transitions. [2020-10-24 23:27:14,747 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 136 transitions. Word has length 16 [2020-10-24 23:27:14,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:27:14,748 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 136 transitions. [2020-10-24 23:27:14,748 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 23:27:14,748 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 136 transitions. [2020-10-24 23:27:14,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-24 23:27:14,749 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:27:14,750 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:27:14,750 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 23:27:14,750 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:27:14,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:27:14,751 INFO L82 PathProgramCache]: Analyzing trace with hash 2055151297, now seen corresponding path program 1 times [2020-10-24 23:27:14,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 23:27:14,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245531587] [2020-10-24 23:27:14,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 23:27:14,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:27:14,910 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:27:14,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:27:14,966 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:27:15,001 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 23:27:15,002 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 23:27:15,003 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 23:27:15,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:27:15 BoogieIcfgContainer [2020-10-24 23:27:15,041 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 23:27:15,042 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 23:27:15,042 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 23:27:15,043 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 23:27:15,043 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:27:14" (3/4) ... [2020-10-24 23:27:15,047 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 23:27:15,047 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 23:27:15,050 INFO L168 Benchmark]: Toolchain (without parser) took 2273.22 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 35.3 MB in the beginning and 31.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:27:15,051 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 44.0 MB. Free memory was 21.9 MB in the beginning and 21.8 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:27:15,052 INFO L168 Benchmark]: CACSL2BoogieTranslator took 473.25 ms. Allocated memory is still 58.7 MB. Free memory was 34.7 MB in the beginning and 34.4 MB in the end (delta: 366.6 kB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2020-10-24 23:27:15,053 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.48 ms. Allocated memory is still 58.7 MB. Free memory was 34.2 MB in the beginning and 31.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:27:15,054 INFO L168 Benchmark]: Boogie Preprocessor took 60.61 ms. Allocated memory is still 58.7 MB. Free memory was 31.2 MB in the beginning and 28.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:27:15,055 INFO L168 Benchmark]: RCFGBuilder took 941.86 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 28.3 MB in the beginning and 40.8 MB in the end (delta: -12.5 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. [2020-10-24 23:27:15,056 INFO L168 Benchmark]: TraceAbstraction took 703.41 ms. Allocated memory is still 71.3 MB. Free memory was 40.5 MB in the beginning and 31.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. [2020-10-24 23:27:15,057 INFO L168 Benchmark]: Witness Printer took 5.49 ms. Allocated memory is still 71.3 MB. Free memory is still 31.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:27:15,062 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 44.0 MB. Free memory was 21.9 MB in the beginning and 21.8 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 473.25 ms. Allocated memory is still 58.7 MB. Free memory was 34.7 MB in the beginning and 34.4 MB in the end (delta: 366.6 kB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 72.48 ms. Allocated memory is still 58.7 MB. Free memory was 34.2 MB in the beginning and 31.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 60.61 ms. Allocated memory is still 58.7 MB. Free memory was 31.2 MB in the beginning and 28.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 941.86 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 28.3 MB in the beginning and 40.8 MB in the end (delta: -12.5 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 703.41 ms. Allocated memory is still 71.3 MB. Free memory was 40.5 MB in the beginning and 31.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. * Witness Printer took 5.49 ms. Allocated memory is still 71.3 MB. Free memory is still 31.3 MB. 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 120, overapproximation of bitwiseAnd at line 220. Possible FailurePath: [L14] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L231] float x = __VERIFIER_nondet_float(); [L232] float y = -1.0f / 0.0f; [L84] float a = x, b = y, t1, t2, y1, y2, w; [L85] __int32_t j, k, ha, hb; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L88] ieee_float_shape_type gf_u; [L89] gf_u.value = (x) [L90] EXPR gf_u.word [L90] (ha) = gf_u.word [L92] ha &= 0x7fffffffL VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L94] ieee_float_shape_type gf_u; [L95] gf_u.value = (y) [L96] EXPR gf_u.word [L96] (hb) = gf_u.word [L98] hb &= 0x7fffffffL VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L99] COND FALSE !(hb > ha) [L106] a = x [L107] b = y VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L110] ieee_float_shape_type sf_u; [L111] sf_u.word = (ha) [L112] EXPR sf_u.value [L112] (a) = sf_u.value [L115] ieee_float_shape_type sf_u; [L116] sf_u.word = (hb) [L117] EXPR sf_u.value [L117] (b) = sf_u.value [L119] COND TRUE (ha - hb) > 0xf000000L [L120] return a + b; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L233] float res = __ieee754_hypotf(x, y); [L214] __int32_t ix; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L216] ieee_float_shape_type gf_u; [L217] gf_u.value = (x) [L218] EXPR gf_u.word [L218] (ix) = gf_u.word [L220] ix &= 0x7fffffff [L221] return ((ix) == 0x7f800000L); VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L235] COND TRUE !isinf_float(res) [L3] __assert_fail("0", "float_req_bl_1270d.c", 3, "reach_error") VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 108 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 139 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=108occurred 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, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 225 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-a4ecdab [2020-10-24 23:27:17,607 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 23:27:17,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 23:27:17,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 23:27:17,645 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 23:27:17,646 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 23:27:17,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 23:27:17,650 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 23:27:17,652 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 23:27:17,653 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 23:27:17,655 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 23:27:17,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 23:27:17,657 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 23:27:17,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 23:27:17,659 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 23:27:17,661 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 23:27:17,662 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 23:27:17,667 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 23:27:17,669 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 23:27:17,672 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 23:27:17,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 23:27:17,681 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 23:27:17,683 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 23:27:17,684 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 23:27:17,688 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 23:27:17,689 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 23:27:17,689 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 23:27:17,694 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 23:27:17,695 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 23:27:17,696 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 23:27:17,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 23:27:17,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 23:27:17,699 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 23:27:17,700 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 23:27:17,702 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 23:27:17,702 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 23:27:17,705 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 23:27:17,705 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 23:27:17,706 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 23:27:17,707 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 23:27:17,709 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 23:27:17,710 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 23:27:17,769 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 23:27:17,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 23:27:17,771 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 23:27:17,771 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 23:27:17,772 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 23:27:17,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 23:27:17,773 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 23:27:17,773 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 23:27:17,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 23:27:17,773 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 23:27:17,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 23:27:17,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 23:27:17,775 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 23:27:17,775 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 23:27:17,775 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 23:27:17,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 23:27:17,775 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 23:27:17,776 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 23:27:17,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 23:27:17,776 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 23:27:17,776 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 23:27:17,776 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 23:27:17,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:27:17,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 23:27:17,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 23:27:17,777 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 23:27:17,778 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 23:27:17,778 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 23:27:17,778 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 23:27:17,778 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 23:27:17,778 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 23:27:17,779 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 976f334843509ce61229cfe6c2e95f4ffe1322fa [2020-10-24 23:27:18,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 23:27:18,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 23:27:18,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 23:27:18,240 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 23:27:18,241 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 23:27:18,242 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1270d.c [2020-10-24 23:27:18,315 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b669f994/c00c884f447a431292fe24594e667e76/FLAGe1c873713 [2020-10-24 23:27:18,815 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 23:27:18,816 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1270d.c [2020-10-24 23:27:18,829 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b669f994/c00c884f447a431292fe24594e667e76/FLAGe1c873713 [2020-10-24 23:27:19,183 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b669f994/c00c884f447a431292fe24594e667e76 [2020-10-24 23:27:19,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 23:27:19,200 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 23:27:19,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 23:27:19,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 23:27:19,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 23:27:19,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:27:19" (1/1) ... [2020-10-24 23:27:19,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eac9845 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:27:19, skipping insertion in model container [2020-10-24 23:27:19,219 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:27:19" (1/1) ... [2020-10-24 23:27:19,228 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 23:27:19,274 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 23:27:19,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:27:19,586 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 23:27:19,647 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:27:19,671 INFO L208 MainTranslator]: Completed translation [2020-10-24 23:27:19,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:27:19 WrapperNode [2020-10-24 23:27:19,673 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 23:27:19,674 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 23:27:19,674 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 23:27:19,675 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 23:27:19,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:27:19" (1/1) ... [2020-10-24 23:27:19,702 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:27:19" (1/1) ... [2020-10-24 23:27:19,756 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 23:27:19,757 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 23:27:19,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 23:27:19,757 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 23:27:19,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:27:19" (1/1) ... [2020-10-24 23:27:19,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:27:19" (1/1) ... [2020-10-24 23:27:19,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:27:19" (1/1) ... [2020-10-24 23:27:19,781 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:27:19" (1/1) ... [2020-10-24 23:27:19,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:27:19" (1/1) ... [2020-10-24 23:27:19,855 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:27:19" (1/1) ... [2020-10-24 23:27:19,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:27:19" (1/1) ... [2020-10-24 23:27:19,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 23:27:19,876 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 23:27:19,876 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 23:27:19,876 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 23:27:19,877 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:27:19" (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 [2020-10-24 23:27:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-24 23:27:19,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 23:27:19,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-10-24 23:27:19,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-24 23:27:19,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 23:27:19,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 23:27:19,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-10-24 23:27:19,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-24 23:27:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 23:27:26,391 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 23:27:26,392 INFO L298 CfgBuilder]: Removed 54 assume(true) statements. [2020-10-24 23:27:26,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:27:26 BoogieIcfgContainer [2020-10-24 23:27:26,394 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 23:27:26,396 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 23:27:26,396 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 23:27:26,399 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 23:27:26,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:27:19" (1/3) ... [2020-10-24 23:27:26,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@197caec6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:27:26, skipping insertion in model container [2020-10-24 23:27:26,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:27:19" (2/3) ... [2020-10-24 23:27:26,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@197caec6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:27:26, skipping insertion in model container [2020-10-24 23:27:26,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:27:26" (3/3) ... [2020-10-24 23:27:26,403 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1270d.c [2020-10-24 23:27:26,415 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 23:27:26,420 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 23:27:26,438 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 23:27:26,465 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 23:27:26,465 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 23:27:26,465 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 23:27:26,465 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 23:27:26,466 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 23:27:26,466 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 23:27:26,466 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 23:27:26,466 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 23:27:26,482 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states. [2020-10-24 23:27:26,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-24 23:27:26,489 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:27:26,489 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:27:26,490 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:27:26,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:27:26,496 INFO L82 PathProgramCache]: Analyzing trace with hash 311741284, now seen corresponding path program 1 times [2020-10-24 23:27:26,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:27:26,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [821268691] [2020-10-24 23:27:26,508 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 [2020-10-24 23:27:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:27:26,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-24 23:27:26,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:27:26,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:27:26,737 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:27:26,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:27:26,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [821268691] [2020-10-24 23:27:26,744 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:27:26,744 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-24 23:27:26,745 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312212744] [2020-10-24 23:27:26,750 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 23:27:26,750 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:27:26,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 23:27:26,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:27:26,767 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 2 states. [2020-10-24 23:27:26,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:27:26,799 INFO L93 Difference]: Finished difference Result 213 states and 359 transitions. [2020-10-24 23:27:26,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 23:27:26,800 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-24 23:27:26,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:27:26,812 INFO L225 Difference]: With dead ends: 213 [2020-10-24 23:27:26,812 INFO L226 Difference]: Without dead ends: 104 [2020-10-24 23:27:26,816 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:27:26,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-10-24 23:27:26,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2020-10-24 23:27:26,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-10-24 23:27:26,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 136 transitions. [2020-10-24 23:27:26,864 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 136 transitions. Word has length 16 [2020-10-24 23:27:26,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:27:26,865 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 136 transitions. [2020-10-24 23:27:26,865 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 23:27:26,865 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 136 transitions. [2020-10-24 23:27:26,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-24 23:27:26,866 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:27:26,866 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:27:27,088 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-24 23:27:27,089 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:27:27,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:27:27,091 INFO L82 PathProgramCache]: Analyzing trace with hash 2055151297, now seen corresponding path program 1 times [2020-10-24 23:27:27,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:27:27,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1381896735] [2020-10-24 23:27:27,093 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 [2020-10-24 23:27:27,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:27:27,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-24 23:27:27,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:27:27,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:27:27,646 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:27:28,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:27:28,250 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1381896735] [2020-10-24 23:27:28,250 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:27:28,250 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2020-10-24 23:27:28,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327002226] [2020-10-24 23:27:28,253 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-24 23:27:28,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:27:28,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-24 23:27:28,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-24 23:27:28,255 INFO L87 Difference]: Start difference. First operand 104 states and 136 transitions. Second operand 12 states. [2020-10-24 23:27:30,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:27:30,771 INFO L93 Difference]: Finished difference Result 444 states and 576 transitions. [2020-10-24 23:27:30,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-24 23:27:30,773 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 21 [2020-10-24 23:27:30,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:27:30,783 INFO L225 Difference]: With dead ends: 444 [2020-10-24 23:27:30,784 INFO L226 Difference]: Without dead ends: 358 [2020-10-24 23:27:30,786 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=111, Invalid=231, Unknown=0, NotChecked=0, Total=342 [2020-10-24 23:27:30,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2020-10-24 23:27:30,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 113. [2020-10-24 23:27:30,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-10-24 23:27:30,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 146 transitions. [2020-10-24 23:27:30,834 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 146 transitions. Word has length 21 [2020-10-24 23:27:30,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:27:30,834 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 146 transitions. [2020-10-24 23:27:30,834 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-24 23:27:30,835 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 146 transitions. [2020-10-24 23:27:30,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-24 23:27:30,836 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:27:30,836 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:27:31,051 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-24 23:27:31,052 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:27:31,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:27:31,054 INFO L82 PathProgramCache]: Analyzing trace with hash -1653009985, now seen corresponding path program 1 times [2020-10-24 23:27:31,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:27:31,055 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [513552723] [2020-10-24 23:27:31,055 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 [2020-10-24 23:27:31,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:27:31,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 26 conjunts are in the unsatisfiable core [2020-10-24 23:27:31,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:27:32,768 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-24 23:27:33,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:27:33,154 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:27:34,566 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-10-24 23:27:35,681 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-10-24 23:27:37,326 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2020-10-24 23:27:38,564 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2020-10-24 23:27:40,039 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-10-24 23:27:51,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:27:51,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [513552723] [2020-10-24 23:27:51,268 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:27:51,268 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14, 14] imperfect sequences [] total 27 [2020-10-24 23:27:51,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096094179] [2020-10-24 23:27:51,269 INFO L461 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-24 23:27:51,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:27:51,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-24 23:27:51,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=607, Unknown=3, NotChecked=0, Total=702 [2020-10-24 23:27:51,271 INFO L87 Difference]: Start difference. First operand 113 states and 146 transitions. Second operand 27 states. [2020-10-24 23:27:55,004 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2020-10-24 23:27:57,064 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2020-10-24 23:27:59,608 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-10-24 23:28:03,986 WARN L193 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2020-10-24 23:28:09,071 WARN L193 SmtUtils]: Spent 3.57 s on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2020-10-24 23:28:14,976 WARN L193 SmtUtils]: Spent 5.10 s on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2020-10-24 23:28:15,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:28:15,427 INFO L93 Difference]: Finished difference Result 157 states and 187 transitions. [2020-10-24 23:28:15,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-24 23:28:15,428 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 21 [2020-10-24 23:28:15,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:28:15,429 INFO L225 Difference]: With dead ends: 157 [2020-10-24 23:28:15,429 INFO L226 Difference]: Without dead ends: 64 [2020-10-24 23:28:15,431 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 228 ImplicationChecksByTransitivity, 39.6s TimeCoverageRelationStatistics Valid=325, Invalid=1154, Unknown=3, NotChecked=0, Total=1482 [2020-10-24 23:28:15,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-10-24 23:28:15,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 36. [2020-10-24 23:28:15,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-10-24 23:28:15,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2020-10-24 23:28:15,436 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 21 [2020-10-24 23:28:15,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:28:15,437 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2020-10-24 23:28:15,437 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-24 23:28:15,437 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2020-10-24 23:28:15,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-24 23:28:15,438 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:28:15,439 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:28:15,653 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-24 23:28:15,654 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:28:15,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:28:15,655 INFO L82 PathProgramCache]: Analyzing trace with hash -558668800, now seen corresponding path program 1 times [2020-10-24 23:28:15,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:28:15,657 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2126971177] [2020-10-24 23:28:15,657 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 [2020-10-24 23:28:15,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:28:15,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 20 conjunts are in the unsatisfiable core [2020-10-24 23:28:15,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:28:16,351 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-24 23:28:16,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:28:16,515 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:28:51,865 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 21 [2020-10-24 23:28:53,899 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_39 (_ BitVec 32)) (v_ULTIMATE.start_isinf_float_~ix~1_17 (_ BitVec 32))) (or (not (= (let ((.cse0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_39))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_17)))) (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_17) (_ bv2155872256 32)) (_ bv0 32)) (not (= c_ULTIMATE.start___ieee754_hypotf_~y (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_39) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_39) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_39)))))) is different from false [2020-10-24 23:28:53,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:28:53,933 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2126971177] [2020-10-24 23:28:53,933 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:28:53,933 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 12] imperfect sequences [] total 22 [2020-10-24 23:28:53,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002472007] [2020-10-24 23:28:53,934 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-24 23:28:53,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:28:53,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-24 23:28:53,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=355, Unknown=16, NotChecked=38, Total=462 [2020-10-24 23:28:53,936 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand 22 states. [2020-10-24 23:28:58,148 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 42 DAG size of output: 26 [2020-10-24 23:29:07,850 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-10-24 23:29:08,112 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-10-24 23:29:08,393 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-24 23:29:08,691 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-10-24 23:29:08,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:29:08,708 INFO L93 Difference]: Finished difference Result 54 states and 54 transitions. [2020-10-24 23:29:08,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-24 23:29:08,709 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 26 [2020-10-24 23:29:08,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:29:08,710 INFO L225 Difference]: With dead ends: 54 [2020-10-24 23:29:08,710 INFO L226 Difference]: Without dead ends: 36 [2020-10-24 23:29:08,711 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 51.9s TimeCoverageRelationStatistics Valid=220, Invalid=755, Unknown=21, NotChecked=60, Total=1056 [2020-10-24 23:29:08,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-10-24 23:29:08,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 27. [2020-10-24 23:29:08,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-24 23:29:08,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2020-10-24 23:29:08,718 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 26 [2020-10-24 23:29:08,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:29:08,719 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2020-10-24 23:29:08,719 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-24 23:29:08,719 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2020-10-24 23:29:08,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-24 23:29:08,721 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:29:08,721 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:29:08,923 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-10-24 23:29:08,924 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:29:08,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:29:08,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1435475906, now seen corresponding path program 1 times [2020-10-24 23:29:08,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:29:08,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [691734302] [2020-10-24 23:29:08,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-10-24 23:29:09,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:29:09,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 12 conjunts are in the unsatisfiable core [2020-10-24 23:29:09,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:29:09,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:29:09,421 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:29:09,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:29:09,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [691734302] [2020-10-24 23:29:09,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:29:09,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2020-10-24 23:29:09,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301530768] [2020-10-24 23:29:09,667 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-24 23:29:09,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:29:09,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-24 23:29:09,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-24 23:29:09,669 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand 12 states. [2020-10-24 23:29:10,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:29:10,179 INFO L93 Difference]: Finished difference Result 36 states and 35 transitions. [2020-10-24 23:29:10,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-24 23:29:10,185 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 26 [2020-10-24 23:29:10,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:29:10,185 INFO L225 Difference]: With dead ends: 36 [2020-10-24 23:29:10,185 INFO L226 Difference]: Without dead ends: 27 [2020-10-24 23:29:10,186 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-10-24 23:29:10,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-10-24 23:29:10,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-10-24 23:29:10,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-24 23:29:10,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 26 transitions. [2020-10-24 23:29:10,190 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 26 transitions. Word has length 26 [2020-10-24 23:29:10,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:29:10,191 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 26 transitions. [2020-10-24 23:29:10,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-24 23:29:10,191 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2020-10-24 23:29:10,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-24 23:29:10,192 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:29:10,192 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:29:10,403 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-10-24 23:29:10,404 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:29:10,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:29:10,405 INFO L82 PathProgramCache]: Analyzing trace with hash 2115534276, now seen corresponding path program 1 times [2020-10-24 23:29:10,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:29:10,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1108805846] [2020-10-24 23:29:10,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-10-24 23:29:10,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:29:10,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 21 conjunts are in the unsatisfiable core [2020-10-24 23:29:10,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:29:11,183 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-24 23:29:11,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:29:11,295 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:29:14,329 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_skolemized_v_prenex_5_5 (_ BitVec 32))) (or (not (= (let ((.cse0 (bvand (_ bv2147483647 32) c_ULTIMATE.start___ieee754_hypotf_~hb~0))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (fp ((_ extract 31 31) v_skolemized_v_prenex_5_5) ((_ extract 30 23) v_skolemized_v_prenex_5_5) ((_ extract 22 0) v_skolemized_v_prenex_5_5)))) (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_skolemized_v_prenex_5_5)))) is different from false [2020-10-24 23:29:16,368 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_15| (_ BitVec 32)) (v_skolemized_v_prenex_5_5 (_ BitVec 32))) (or (not (= c_ULTIMATE.start___ieee754_hypotf_~y (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_15|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_15|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_15|)))) (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_skolemized_v_prenex_5_5)) (not (= (fp ((_ extract 31 31) v_skolemized_v_prenex_5_5) ((_ extract 30 23) v_skolemized_v_prenex_5_5) ((_ extract 22 0) v_skolemized_v_prenex_5_5)) (let ((.cse0 (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_15|))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))))))) is different from false [2020-10-24 23:29:16,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:29:16,399 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1108805846] [2020-10-24 23:29:16,401 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:29:16,401 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13, 13] imperfect sequences [] total 24 [2020-10-24 23:29:16,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564207941] [2020-10-24 23:29:16,403 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-24 23:29:16,403 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:29:16,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-24 23:29:16,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=413, Unknown=2, NotChecked=82, Total=552 [2020-10-24 23:29:16,405 INFO L87 Difference]: Start difference. First operand 27 states and 26 transitions. Second operand 24 states. [2020-10-24 23:29:18,572 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 35 DAG size of output: 9 [2020-10-24 23:29:20,481 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-10-24 23:29:20,768 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-24 23:29:21,027 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-10-24 23:29:21,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:29:21,029 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2020-10-24 23:29:21,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-24 23:29:21,029 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 26 [2020-10-24 23:29:21,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:29:21,030 INFO L225 Difference]: With dead ends: 27 [2020-10-24 23:29:21,030 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 23:29:21,031 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 2 IntricatePredicates, 1 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 9.8s TimeCoverageRelationStatistics Valid=204, Invalid=858, Unknown=2, NotChecked=126, Total=1190 [2020-10-24 23:29:21,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 23:29:21,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 23:29:21,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 23:29:21,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 23:29:21,031 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-10-24 23:29:21,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:29:21,032 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 23:29:21,032 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-24 23:29:21,032 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 23:29:21,032 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 23:29:21,239 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-10-24 23:29:21,243 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 23:29:21,446 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 164 [2020-10-24 23:29:23,773 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 164 DAG size of output: 102 [2020-10-24 23:29:30,735 WARN L193 SmtUtils]: Spent 6.96 s on a formula simplification. DAG size of input: 193 DAG size of output: 125 [2020-10-24 23:29:34,438 WARN L193 SmtUtils]: Spent 3.64 s on a formula simplification. DAG size of input: 174 DAG size of output: 109 [2020-10-24 23:29:34,448 INFO L274 CegarLoopResult]: For program point L168(lines 168 172) no Hoare annotation was computed. [2020-10-24 23:29:34,448 INFO L274 CegarLoopResult]: For program point L168-1(lines 159 173) no Hoare annotation was computed. [2020-10-24 23:29:34,448 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-24 23:29:34,448 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-24 23:29:34,448 INFO L274 CegarLoopResult]: For program point L235(lines 235 238) no Hoare annotation was computed. [2020-10-24 23:29:34,449 INFO L274 CegarLoopResult]: For program point L202-1(lines 202 206) no Hoare annotation was computed. [2020-10-24 23:29:34,449 INFO L270 CegarLoopResult]: At program point L202-2(lines 202 206) the Hoare annotation is: false [2020-10-24 23:29:34,449 INFO L274 CegarLoopResult]: For program point L136-1(lines 136 140) no Hoare annotation was computed. [2020-10-24 23:29:34,449 INFO L274 CegarLoopResult]: For program point L202-3(lines 202 206) no Hoare annotation was computed. [2020-10-24 23:29:34,449 INFO L270 CegarLoopResult]: At program point L136-2(lines 136 140) the Hoare annotation is: false [2020-10-24 23:29:34,449 INFO L274 CegarLoopResult]: For program point L37(lines 37 41) no Hoare annotation was computed. [2020-10-24 23:29:34,450 INFO L274 CegarLoopResult]: For program point L37-2(lines 37 41) no Hoare annotation was computed. [2020-10-24 23:29:34,450 INFO L274 CegarLoopResult]: For program point L37-3(lines 37 41) no Hoare annotation was computed. [2020-10-24 23:29:34,450 INFO L274 CegarLoopResult]: For program point L37-5(lines 37 41) no Hoare annotation was computed. [2020-10-24 23:29:34,450 INFO L274 CegarLoopResult]: For program point L38-2(lines 38 39) no Hoare annotation was computed. [2020-10-24 23:29:34,450 INFO L270 CegarLoopResult]: At program point L38-3(lines 38 39) the Hoare annotation is: false [2020-10-24 23:29:34,450 INFO L274 CegarLoopResult]: For program point L38-4(lines 38 39) no Hoare annotation was computed. [2020-10-24 23:29:34,450 INFO L274 CegarLoopResult]: For program point L38-7(lines 38 39) no Hoare annotation was computed. [2020-10-24 23:29:34,450 INFO L270 CegarLoopResult]: At program point L38-8(lines 38 39) the Hoare annotation is: false [2020-10-24 23:29:34,450 INFO L274 CegarLoopResult]: For program point L38-9(lines 38 39) no Hoare annotation was computed. [2020-10-24 23:29:34,450 INFO L277 CegarLoopResult]: At program point L239(lines 224 240) the Hoare annotation is: true [2020-10-24 23:29:34,450 INFO L274 CegarLoopResult]: For program point L141(lines 141 145) no Hoare annotation was computed. [2020-10-24 23:29:34,451 INFO L274 CegarLoopResult]: For program point L141-1(lines 123 146) no Hoare annotation was computed. [2020-10-24 23:29:34,451 INFO L274 CegarLoopResult]: For program point L75-1(lines 75 79) no Hoare annotation was computed. [2020-10-24 23:29:34,451 INFO L270 CegarLoopResult]: At program point L75-2(lines 75 79) the Hoare annotation is: false [2020-10-24 23:29:34,451 INFO L274 CegarLoopResult]: For program point L75-3(lines 75 79) no Hoare annotation was computed. [2020-10-24 23:29:34,452 INFO L274 CegarLoopResult]: For program point L75-5(lines 75 79) no Hoare annotation was computed. [2020-10-24 23:29:34,452 INFO L270 CegarLoopResult]: At program point L75-6(lines 75 79) the Hoare annotation is: false [2020-10-24 23:29:34,452 INFO L274 CegarLoopResult]: For program point L75-7(lines 75 79) no Hoare annotation was computed. [2020-10-24 23:29:34,452 INFO L274 CegarLoopResult]: For program point L109(lines 109 113) no Hoare annotation was computed. [2020-10-24 23:29:34,452 INFO L274 CegarLoopResult]: For program point L109-1(lines 83 210) no Hoare annotation was computed. [2020-10-24 23:29:34,453 INFO L270 CegarLoopResult]: At program point L209(lines 83 210) the Hoare annotation is: (let ((.cse2 (= currentRoundingMode roundNearestTiesToEven)) (.cse3 (let ((.cse7 (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_hypotf_~y (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))))) (or (and .cse7 (not (bvsgt (bvadd ULTIMATE.start___ieee754_hypotf_~ha~0 (bvneg ULTIMATE.start___ieee754_hypotf_~hb~0)) (_ bv251658240 32)))) (and .cse7 (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_26 (_ BitVec 32))) (= ULTIMATE.start___ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_26)))))))) (or (and (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_31 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))) (= ULTIMATE.start___ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_30 (_ BitVec 32)) (v_ULTIMATE.start___ieee754_hypotf_~hb~0_31 (_ BitVec 32))) (let ((.cse0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)) (.cse1 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30))) (and (= (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)) (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24))) (= |ULTIMATE.start___ieee754_hypotf_#res| (fp.add roundNearestTiesToEven (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)))) (bvsgt (bvadd .cse0 (bvneg .cse1)) (_ bv251658240 32))))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_30 (_ BitVec 32))) (= ULTIMATE.start___ieee754_hypotf_~hb~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30))) (= ULTIMATE.start___ieee754_hypotf_~b~0 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~hb~0))) .cse2 (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)) ULTIMATE.start___ieee754_hypotf_~a~0) .cse3) (and (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_37 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (let ((.cse4 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4))) ULTIMATE.start___ieee754_hypotf_~w~0) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_31 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))) (= ULTIMATE.start___ieee754_hypotf_~hb~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_37 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))) (= (let ((.cse5 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))) |ULTIMATE.start___ieee754_hypotf_#res|))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_37 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (let ((.cse6 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))) ULTIMATE.start___ieee754_hypotf_~b~0) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))))) .cse2 (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_30 (_ BitVec 32))) (= ULTIMATE.start___ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30))) .cse3))) [2020-10-24 23:29:34,453 INFO L274 CegarLoopResult]: For program point L44(lines 44 45) no Hoare annotation was computed. [2020-10-24 23:29:34,453 INFO L274 CegarLoopResult]: For program point L44-2(lines 44 45) no Hoare annotation was computed. [2020-10-24 23:29:34,454 INFO L274 CegarLoopResult]: For program point L44-3(lines 44 45) no Hoare annotation was computed. [2020-10-24 23:29:34,454 INFO L274 CegarLoopResult]: For program point L44-5(lines 44 45) no Hoare annotation was computed. [2020-10-24 23:29:34,454 INFO L274 CegarLoopResult]: For program point L177(lines 177 200) no Hoare annotation was computed. [2020-10-24 23:29:34,454 INFO L274 CegarLoopResult]: For program point L177-2(lines 83 210) no Hoare annotation was computed. [2020-10-24 23:29:34,454 INFO L274 CegarLoopResult]: For program point L178-1(lines 178 182) no Hoare annotation was computed. [2020-10-24 23:29:34,454 INFO L270 CegarLoopResult]: At program point L178-2(lines 178 182) the Hoare annotation is: false [2020-10-24 23:29:34,455 INFO L274 CegarLoopResult]: For program point L178-3(lines 178 182) no Hoare annotation was computed. [2020-10-24 23:29:34,455 INFO L270 CegarLoopResult]: At program point L80(lines 16 81) the Hoare annotation is: false [2020-10-24 23:29:34,455 INFO L270 CegarLoopResult]: At program point L80-1(lines 16 81) the Hoare annotation is: false [2020-10-24 23:29:34,455 INFO L274 CegarLoopResult]: For program point L147(lines 147 174) no Hoare annotation was computed. [2020-10-24 23:29:34,455 INFO L274 CegarLoopResult]: For program point L114(lines 114 118) no Hoare annotation was computed. [2020-10-24 23:29:34,456 INFO L274 CegarLoopResult]: For program point L114-1(lines 83 210) no Hoare annotation was computed. [2020-10-24 23:29:34,456 INFO L274 CegarLoopResult]: For program point L114-2(lines 83 210) no Hoare annotation was computed. [2020-10-24 23:29:34,456 INFO L274 CegarLoopResult]: For program point L148(lines 148 173) no Hoare annotation was computed. [2020-10-24 23:29:34,456 INFO L274 CegarLoopResult]: For program point L215-1(lines 215 219) no Hoare annotation was computed. [2020-10-24 23:29:34,457 INFO L270 CegarLoopResult]: At program point L215-2(lines 215 219) the Hoare annotation is: (let ((.cse4 (= currentRoundingMode roundNearestTiesToEven)) (.cse5 (let ((.cse10 (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_hypotf_~y (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))))) (or (and .cse10 (not (bvsgt (bvadd ULTIMATE.start___ieee754_hypotf_~ha~0 (bvneg ULTIMATE.start___ieee754_hypotf_~hb~0)) (_ bv251658240 32)))) (and .cse10 (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_26 (_ BitVec 32))) (= ULTIMATE.start___ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_26)))))))) (or (and (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_31 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))) (= ULTIMATE.start___ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_30 (_ BitVec 32)) (v_ULTIMATE.start___ieee754_hypotf_~hb~0_31 (_ BitVec 32))) (let ((.cse0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)) (.cse1 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30))) (and (= (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)) (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24))) (= (fp.add roundNearestTiesToEven (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))) ULTIMATE.start_isinf_float_~x) (bvsgt (bvadd .cse0 (bvneg .cse1)) (_ bv251658240 32))))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_30 (_ BitVec 32)) (v_ULTIMATE.start___ieee754_hypotf_~hb~0_31 (_ BitVec 32))) (let ((.cse2 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)) (.cse3 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30))) (and (= (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)) (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24))) (= |ULTIMATE.start___ieee754_hypotf_#res| (fp.add roundNearestTiesToEven (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3)))) (bvsgt (bvadd .cse2 (bvneg .cse3)) (_ bv251658240 32))))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_30 (_ BitVec 32))) (= ULTIMATE.start___ieee754_hypotf_~hb~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30))) (= ULTIMATE.start___ieee754_hypotf_~b~0 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~hb~0))) .cse4 (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)) ULTIMATE.start___ieee754_hypotf_~a~0) .cse5) (and (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_37 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (let ((.cse6 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))) ULTIMATE.start___ieee754_hypotf_~w~0) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_31 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))) (= ULTIMATE.start___ieee754_hypotf_~hb~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_37 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (let ((.cse7 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))) (fp ((_ extract 31 31) .cse7) ((_ extract 30 23) .cse7) ((_ extract 22 0) .cse7))) ULTIMATE.start_isinf_float_~x) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_37 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))) (= (let ((.cse8 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))) (fp ((_ extract 31 31) .cse8) ((_ extract 30 23) .cse8) ((_ extract 22 0) .cse8))) |ULTIMATE.start___ieee754_hypotf_#res|))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_37 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (let ((.cse9 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))) (fp ((_ extract 31 31) .cse9) ((_ extract 30 23) .cse9) ((_ extract 22 0) .cse9))) ULTIMATE.start___ieee754_hypotf_~b~0) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))))) .cse4 (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_30 (_ BitVec 32))) (= ULTIMATE.start___ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30))) .cse5))) [2020-10-24 23:29:34,457 INFO L274 CegarLoopResult]: For program point L215-3(lines 215 219) no Hoare annotation was computed. [2020-10-24 23:29:34,457 INFO L274 CegarLoopResult]: For program point L150(lines 150 173) no Hoare annotation was computed. [2020-10-24 23:29:34,457 INFO L274 CegarLoopResult]: For program point L151-1(lines 151 155) no Hoare annotation was computed. [2020-10-24 23:29:34,458 INFO L270 CegarLoopResult]: At program point L151-2(lines 151 155) the Hoare annotation is: false [2020-10-24 23:29:34,458 INFO L274 CegarLoopResult]: For program point L151-3(lines 151 155) no Hoare annotation was computed. [2020-10-24 23:29:34,458 INFO L270 CegarLoopResult]: At program point L52-2(lines 52 61) the Hoare annotation is: false [2020-10-24 23:29:34,458 INFO L274 CegarLoopResult]: For program point L52-3(lines 16 81) no Hoare annotation was computed. [2020-10-24 23:29:34,458 INFO L270 CegarLoopResult]: At program point L52-6(lines 52 61) the Hoare annotation is: false [2020-10-24 23:29:34,459 INFO L274 CegarLoopResult]: For program point L52-7(lines 16 81) no Hoare annotation was computed. [2020-10-24 23:29:34,459 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-24 23:29:34,459 INFO L274 CegarLoopResult]: For program point L87-1(lines 87 91) no Hoare annotation was computed. [2020-10-24 23:29:34,459 INFO L274 CegarLoopResult]: For program point L54(lines 54 58) no Hoare annotation was computed. [2020-10-24 23:29:34,459 INFO L270 CegarLoopResult]: At program point L87-2(lines 87 91) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_hypotf_~y (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))) (forall ((v_ULTIMATE.start_isinf_float_~ix~1_17 (_ BitVec 32))) (or (not (= ULTIMATE.start___ieee754_hypotf_~b~0 (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_17)))) (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_17) (_ bv2155872256 32)) (_ bv0 32))))) [2020-10-24 23:29:34,459 INFO L274 CegarLoopResult]: For program point L87-3(lines 87 91) no Hoare annotation was computed. [2020-10-24 23:29:34,460 INFO L274 CegarLoopResult]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2020-10-24 23:29:34,460 INFO L274 CegarLoopResult]: For program point L54-2(lines 54 58) no Hoare annotation was computed. [2020-10-24 23:29:34,460 INFO L270 CegarLoopResult]: At program point L21-2(lines 21 25) the Hoare annotation is: false [2020-10-24 23:29:34,460 INFO L274 CegarLoopResult]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2020-10-24 23:29:34,460 INFO L274 CegarLoopResult]: For program point L21-3(lines 21 25) no Hoare annotation was computed. [2020-10-24 23:29:34,460 INFO L274 CegarLoopResult]: For program point L54-5(lines 54 58) no Hoare annotation was computed. [2020-10-24 23:29:34,461 INFO L274 CegarLoopResult]: For program point L21-5(lines 21 25) no Hoare annotation was computed. [2020-10-24 23:29:34,461 INFO L270 CegarLoopResult]: At program point L21-6(lines 21 25) the Hoare annotation is: false [2020-10-24 23:29:34,461 INFO L274 CegarLoopResult]: For program point L21-7(lines 21 25) no Hoare annotation was computed. [2020-10-24 23:29:34,461 INFO L274 CegarLoopResult]: For program point L187-1(lines 187 191) no Hoare annotation was computed. [2020-10-24 23:29:34,461 INFO L270 CegarLoopResult]: At program point L187-2(lines 187 191) the Hoare annotation is: false [2020-10-24 23:29:34,461 INFO L274 CegarLoopResult]: For program point L187-3(lines 187 191) no Hoare annotation was computed. [2020-10-24 23:29:34,462 INFO L270 CegarLoopResult]: At program point L221(lines 213 222) the Hoare annotation is: (let ((.cse6 (= currentRoundingMode roundNearestTiesToEven)) (.cse7 (= (bvadd |ULTIMATE.start_isinf_float_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse8 (let ((.cse14 (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_hypotf_~y (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))))) (or (and .cse14 (not (bvsgt (bvadd ULTIMATE.start___ieee754_hypotf_~ha~0 (bvneg ULTIMATE.start___ieee754_hypotf_~hb~0)) (_ bv251658240 32)))) (and .cse14 (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_26 (_ BitVec 32))) (= ULTIMATE.start___ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_26)))))))) (or (and (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_31 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))) (= ULTIMATE.start___ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_30 (_ BitVec 32)) (v_ULTIMATE.start___ieee754_hypotf_~hb~0_31 (_ BitVec 32))) (let ((.cse0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)) (.cse1 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30))) (and (= (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)) (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24))) (= (fp.add roundNearestTiesToEven (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))) ULTIMATE.start_isinf_float_~x) (bvsgt (bvadd .cse0 (bvneg .cse1)) (_ bv251658240 32))))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_30 (_ BitVec 32)) (v_ULTIMATE.start___ieee754_hypotf_~hb~0_31 (_ BitVec 32))) (let ((.cse2 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)) (.cse3 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30))) (and (= (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)) (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24))) (= |ULTIMATE.start___ieee754_hypotf_#res| (fp.add roundNearestTiesToEven (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3)))) (bvsgt (bvadd .cse2 (bvneg .cse3)) (_ bv251658240 32))))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_30 (_ BitVec 32))) (= ULTIMATE.start___ieee754_hypotf_~hb~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30))) (= ULTIMATE.start___ieee754_hypotf_~b~0 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~hb~0))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_30 (_ BitVec 32)) (v_ULTIMATE.start___ieee754_hypotf_~hb~0_31 (_ BitVec 32))) (let ((.cse4 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)) (.cse5 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30))) (and (= (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)) (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24))) (= (fp.add roundNearestTiesToEven (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4)) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))) (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~1))) (bvsgt (bvadd .cse4 (bvneg .cse5)) (_ bv251658240 32))))) .cse6 .cse7 (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)) ULTIMATE.start___ieee754_hypotf_~a~0) .cse8) (and (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_37 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (let ((.cse9 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))) (fp ((_ extract 31 31) .cse9) ((_ extract 30 23) .cse9) ((_ extract 22 0) .cse9))) ULTIMATE.start___ieee754_hypotf_~w~0) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_31 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))) (= ULTIMATE.start___ieee754_hypotf_~hb~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_37 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (let ((.cse10 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))) (fp ((_ extract 31 31) .cse10) ((_ extract 30 23) .cse10) ((_ extract 22 0) .cse10))) ULTIMATE.start_isinf_float_~x) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_37 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))) (= (let ((.cse11 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))) (fp ((_ extract 31 31) .cse11) ((_ extract 30 23) .cse11) ((_ extract 22 0) .cse11))) |ULTIMATE.start___ieee754_hypotf_#res|))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_37 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (let ((.cse12 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))) (fp ((_ extract 31 31) .cse12) ((_ extract 30 23) .cse12) ((_ extract 22 0) .cse12))) ULTIMATE.start___ieee754_hypotf_~b~0) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))))) .cse6 .cse7 (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_30 (_ BitVec 32))) (= ULTIMATE.start___ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_37 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (let ((.cse13 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))) (fp ((_ extract 31 31) .cse13) ((_ extract 30 23) .cse13) ((_ extract 22 0) .cse13))) (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~1))) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))))) .cse8))) [2020-10-24 23:29:34,463 INFO L274 CegarLoopResult]: For program point L123(lines 123 146) no Hoare annotation was computed. [2020-10-24 23:29:34,463 INFO L274 CegarLoopResult]: For program point L123-1(lines 83 210) no Hoare annotation was computed. [2020-10-24 23:29:34,463 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-24 23:29:34,463 INFO L274 CegarLoopResult]: For program point L124(lines 124 131) no Hoare annotation was computed. [2020-10-24 23:29:34,463 INFO L274 CegarLoopResult]: For program point L126(lines 126 127) no Hoare annotation was computed. [2020-10-24 23:29:34,463 INFO L274 CegarLoopResult]: For program point L93-1(lines 93 97) no Hoare annotation was computed. [2020-10-24 23:29:34,464 INFO L274 CegarLoopResult]: For program point L126-2(lines 124 131) no Hoare annotation was computed. [2020-10-24 23:29:34,464 INFO L270 CegarLoopResult]: At program point L93-2(lines 93 97) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_hypotf_~y (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))) (forall ((v_ULTIMATE.start_isinf_float_~ix~1_17 (_ BitVec 32))) (or (not (= ULTIMATE.start___ieee754_hypotf_~b~0 (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_17)))) (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_17) (_ bv2155872256 32)) (_ bv0 32)))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_30 (_ BitVec 32))) (= ULTIMATE.start___ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30)))) [2020-10-24 23:29:34,464 INFO L274 CegarLoopResult]: For program point L93-3(lines 93 97) no Hoare annotation was computed. [2020-10-24 23:29:34,464 INFO L274 CegarLoopResult]: For program point L193-1(lines 193 197) no Hoare annotation was computed. [2020-10-24 23:29:34,464 INFO L270 CegarLoopResult]: At program point L193-2(lines 193 197) the Hoare annotation is: false [2020-10-24 23:29:34,465 INFO L274 CegarLoopResult]: For program point L193-3(lines 193 197) no Hoare annotation was computed. [2020-10-24 23:29:34,465 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-24 23:29:34,465 INFO L274 CegarLoopResult]: For program point L28(lines 28 29) no Hoare annotation was computed. [2020-10-24 23:29:34,465 INFO L274 CegarLoopResult]: For program point L28-1(lines 28 29) no Hoare annotation was computed. [2020-10-24 23:29:34,465 INFO L274 CegarLoopResult]: For program point L128-1(lines 128 129) no Hoare annotation was computed. [2020-10-24 23:29:34,465 INFO L274 CegarLoopResult]: For program point L63(lines 63 72) no Hoare annotation was computed. [2020-10-24 23:29:34,466 INFO L274 CegarLoopResult]: For program point L63-1(lines 63 72) no Hoare annotation was computed. [2020-10-24 23:29:34,466 INFO L274 CegarLoopResult]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2020-10-24 23:29:34,466 INFO L270 CegarLoopResult]: At program point L163-2(lines 163 167) the Hoare annotation is: false [2020-10-24 23:29:34,466 INFO L274 CegarLoopResult]: For program point L31(lines 31 32) no Hoare annotation was computed. [2020-10-24 23:29:34,466 INFO L274 CegarLoopResult]: For program point L31-1(lines 31 32) no Hoare annotation was computed. [2020-10-24 23:29:34,466 INFO L274 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2020-10-24 23:29:34,466 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-24 23:29:34,467 INFO L274 CegarLoopResult]: For program point L65-2(lines 65 71) no Hoare annotation was computed. [2020-10-24 23:29:34,467 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-24 23:29:34,467 INFO L274 CegarLoopResult]: For program point L99(lines 99 108) no Hoare annotation was computed. [2020-10-24 23:29:34,467 INFO L274 CegarLoopResult]: For program point L33(lines 33 34) no Hoare annotation was computed. [2020-10-24 23:29:34,467 INFO L274 CegarLoopResult]: For program point L33-1(lines 33 34) no Hoare annotation was computed. [2020-10-24 23:29:34,467 INFO L274 CegarLoopResult]: For program point L67(lines 67 70) no Hoare annotation was computed. [2020-10-24 23:29:34,470 INFO L274 CegarLoopResult]: For program point L67-3(lines 67 70) no Hoare annotation was computed. [2020-10-24 23:29:34,486 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:29:34,488 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isinf_float_~ix~1_17,QUANTIFIED] [2020-10-24 23:29:34,488 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isinf_float_~ix~1_17,QUANTIFIED] [2020-10-24 23:29:34,488 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isinf_float_~ix~1_17,QUANTIFIED] [2020-10-24 23:29:34,488 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isinf_float_~ix~1_17,QUANTIFIED] [2020-10-24 23:29:34,488 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0_30,QUANTIFIED] [2020-10-24 23:29:34,490 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:29:34,490 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:29:34,491 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:29:34,492 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:29:34,493 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isinf_float_~ix~1_17,QUANTIFIED] [2020-10-24 23:29:34,493 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isinf_float_~ix~1_17,QUANTIFIED] [2020-10-24 23:29:34,493 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isinf_float_~ix~1_17,QUANTIFIED] [2020-10-24 23:29:34,493 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isinf_float_~ix~1_17,QUANTIFIED] [2020-10-24 23:29:34,494 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0_30,QUANTIFIED] [2020-10-24 23:29:34,494 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:29:34,494 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:29:34,494 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:29:34,497 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:446) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:135) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:707) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:267) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-10-24 23:29:34,502 INFO L168 Benchmark]: Toolchain (without parser) took 135307.95 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 27.8 MB in the beginning and 18.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 26.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:29:34,503 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 46.1 MB. Free memory was 32.8 MB in the beginning and 32.8 MB in the end (delta: 25.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:29:34,504 INFO L168 Benchmark]: CACSL2BoogieTranslator took 469.82 ms. Allocated memory is still 46.1 MB. Free memory was 27.2 MB in the beginning and 23.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-10-24 23:29:34,505 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.51 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 23.7 MB in the beginning and 40.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2020-10-24 23:29:34,505 INFO L168 Benchmark]: Boogie Preprocessor took 118.66 ms. Allocated memory is still 56.6 MB. Free memory was 40.3 MB in the beginning and 37.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:29:34,506 INFO L168 Benchmark]: RCFGBuilder took 6517.82 ms. Allocated memory is still 56.6 MB. Free memory was 37.2 MB in the beginning and 37.1 MB in the end (delta: 38.0 kB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. [2020-10-24 23:29:34,507 INFO L168 Benchmark]: TraceAbstraction took 128104.60 ms. Allocated memory is still 56.6 MB. Free memory was 36.5 MB in the beginning and 18.4 MB in the end (delta: 18.1 MB). Peak memory consumption was 25.6 MB. Max. memory is 16.1 GB. [2020-10-24 23:29:34,512 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 46.1 MB. Free memory was 32.8 MB in the beginning and 32.8 MB in the end (delta: 25.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 469.82 ms. Allocated memory is still 46.1 MB. Free memory was 27.2 MB in the beginning and 23.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 81.51 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 23.7 MB in the beginning and 40.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 118.66 ms. Allocated memory is still 56.6 MB. Free memory was 40.3 MB in the beginning and 37.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 6517.82 ms. Allocated memory is still 56.6 MB. Free memory was 37.2 MB in the beginning and 37.1 MB in the end (delta: 38.0 kB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 128104.60 ms. Allocated memory is still 56.6 MB. Free memory was 36.5 MB in the beginning and 18.4 MB in the end (delta: 18.1 MB). Peak memory consumption was 25.6 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isinf_float_~ix~1_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isinf_float_~ix~1_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isinf_float_~ix~1_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isinf_float_~ix~1_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isinf_float_~ix~1_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isinf_float_~ix~1_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isinf_float_~ix~1_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isinf_float_~ix~1_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0_30,QUANTIFIED] * 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 * 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: 224]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 93]: Loop Invariant [2020-10-24 23:29:34,527 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:29:34,528 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isinf_float_~ix~1_17,QUANTIFIED] [2020-10-24 23:29:34,528 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isinf_float_~ix~1_17,QUANTIFIED] [2020-10-24 23:29:34,528 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isinf_float_~ix~1_17,QUANTIFIED] [2020-10-24 23:29:34,528 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isinf_float_~ix~1_17,QUANTIFIED] [2020-10-24 23:29:34,529 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0_30,QUANTIFIED] [2020-10-24 23:29:34,529 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:29:34,529 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:29:34,529 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:29:34,530 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:29:34,530 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isinf_float_~ix~1_17,QUANTIFIED] [2020-10-24 23:29:34,530 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isinf_float_~ix~1_17,QUANTIFIED] [2020-10-24 23:29:34,530 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isinf_float_~ix~1_17,QUANTIFIED] [2020-10-24 23:29:34,530 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isinf_float_~ix~1_17,QUANTIFIED] [2020-10-24 23:29:34,531 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0_30,QUANTIFIED] [2020-10-24 23:29:34,531 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:29:34,531 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:29:34,531 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && y == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE())) && (forall v_ULTIMATE.start_isinf_float_~ix~1_17 : bv32 :: !(b == ~fp~LONGDOUBLE(v_ULTIMATE.start_isinf_float_~ix~1_17[31:31], v_ULTIMATE.start_isinf_float_~ix~1_17[30:23], v_ULTIMATE.start_isinf_float_~ix~1_17[22:0])) || ~bvadd64(~bvand32(2147483647bv32, v_ULTIMATE.start_isinf_float_~ix~1_17), 2155872256bv32) == 0bv32)) && (\exists v_ULTIMATE.start___ieee754_hypotf_~ha~0_30 : bv32 :: ha == ~bvand32(2147483647bv32, v_ULTIMATE.start___ieee754_hypotf_~ha~0_30)) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - ExceptionOrErrorResult: UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...