./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0710.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0710.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1ff4e8ff973f803d8fa94df33d1e2314e0626318 ....................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0710.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1ff4e8ff973f803d8fa94df33d1e2314e0626318 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 17:48:51,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 17:48:51,221 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 17:48:51,241 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 17:48:51,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 17:48:51,243 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 17:48:51,245 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 17:48:51,256 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 17:48:51,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 17:48:51,264 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 17:48:51,266 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 17:48:51,267 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 17:48:51,267 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 17:48:51,270 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 17:48:51,272 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 17:48:51,273 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 17:48:51,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 17:48:51,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 17:48:51,279 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 17:48:51,284 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 17:48:51,288 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 17:48:51,292 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 17:48:51,294 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 17:48:51,295 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 17:48:51,298 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 17:48:51,298 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 17:48:51,298 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 17:48:51,300 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 17:48:51,300 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 17:48:51,301 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 17:48:51,302 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:48:51,303 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:48:51,304 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:48:51,305 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:48:51,306 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:48:51,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:48:51,307 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:48:51,307 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:48:51,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:48:51,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:48:51,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:48:51,311 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 17:48:51,347 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:48:51,350 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:48:51,352 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:48:51,352 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:48:51,352 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:48:51,352 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:48:51,353 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:48:51,353 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 17:48:51,353 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:48:51,356 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:48:51,356 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:48:51,356 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:48:51,357 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:48:51,357 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:48:51,357 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:48:51,357 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:48:51,357 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:48:51,358 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:48:51,358 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:48:51,359 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:48:51,359 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:48:51,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:48:51,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:48:51,360 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:48:51,360 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:48:51,361 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 17:48:51,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 17:48:51,361 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:48:51,362 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:48:51,362 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ff4e8ff973f803d8fa94df33d1e2314e0626318 [2020-07-28 17:48:51,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:48:51,721 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:48:51,725 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:48:51,727 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:48:51,730 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:48:51,731 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0710.c [2020-07-28 17:48:51,807 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2391a1c75/e0c4b5bf1cc54681acda96f1e0db44c6/FLAGa65673721 [2020-07-28 17:48:52,270 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:48:52,271 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0710.c [2020-07-28 17:48:52,280 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2391a1c75/e0c4b5bf1cc54681acda96f1e0db44c6/FLAGa65673721 [2020-07-28 17:48:52,606 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2391a1c75/e0c4b5bf1cc54681acda96f1e0db44c6 [2020-07-28 17:48:52,609 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:48:52,612 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:48:52,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:48:52,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:48:52,617 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:48:52,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:48:52" (1/1) ... [2020-07-28 17:48:52,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aaca8af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:48:52, skipping insertion in model container [2020-07-28 17:48:52,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:48:52" (1/1) ... [2020-07-28 17:48:52,630 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:48:52,652 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:48:52,869 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:48:52,874 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 17:48:52,920 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:48:53,016 INFO L208 MainTranslator]: Completed translation [2020-07-28 17:48:53,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:48:53 WrapperNode [2020-07-28 17:48:53,017 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 17:48:53,019 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 17:48:53,020 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 17:48:53,020 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 17:48:53,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:48:53" (1/1) ... [2020-07-28 17:48:53,054 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:48:53" (1/1) ... [2020-07-28 17:48:53,109 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 17:48:53,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 17:48:53,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 17:48:53,110 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 17:48:53,121 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:48:53" (1/1) ... [2020-07-28 17:48:53,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:48:53" (1/1) ... [2020-07-28 17:48:53,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:48:53" (1/1) ... [2020-07-28 17:48:53,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:48:53" (1/1) ... [2020-07-28 17:48:53,136 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:48:53" (1/1) ... [2020-07-28 17:48:53,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:48:53" (1/1) ... [2020-07-28 17:48:53,146 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:48:53" (1/1) ... [2020-07-28 17:48:53,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 17:48:53,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 17:48:53,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 17:48:53,154 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 17:48:53,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:48:53" (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 [2020-07-28 17:48:53,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 17:48:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-28 17:48:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-28 17:48:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-28 17:48:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 17:48:53,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 17:48:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-28 17:48:53,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 17:48:53,759 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 17:48:53,759 INFO L295 CfgBuilder]: Removed 14 assume(true) statements. [2020-07-28 17:48:53,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:48:53 BoogieIcfgContainer [2020-07-28 17:48:53,768 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 17:48:53,769 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 17:48:53,769 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 17:48:53,776 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 17:48:53,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 05:48:52" (1/3) ... [2020-07-28 17:48:53,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b3f3162 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:48:53, skipping insertion in model container [2020-07-28 17:48:53,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:48:53" (2/3) ... [2020-07-28 17:48:53,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b3f3162 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:48:53, skipping insertion in model container [2020-07-28 17:48:53,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:48:53" (3/3) ... [2020-07-28 17:48:53,786 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0710.c [2020-07-28 17:48:53,809 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 17:48:53,819 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 17:48:53,834 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 17:48:53,854 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 17:48:53,855 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 17:48:53,855 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 17:48:53,855 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 17:48:53,855 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 17:48:53,855 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 17:48:53,856 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 17:48:53,856 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 17:48:53,871 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states. [2020-07-28 17:48:53,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-07-28 17:48:53,877 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:48:53,878 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:48:53,879 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:48:53,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:48:53,884 INFO L82 PathProgramCache]: Analyzing trace with hash 860611220, now seen corresponding path program 1 times [2020-07-28 17:48:53,893 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 17:48:53,893 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021640799] [2020-07-28 17:48:53,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 17:48:53,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:48:54,025 INFO L280 TraceCheckUtils]: 0: Hoare triple {38#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~one_sqrt~0 := 1.0;~tiny_sqrt~0 := 1.0E-30; {38#true} is VALID [2020-07-28 17:48:54,025 INFO L280 TraceCheckUtils]: 1: Hoare triple {38#true} havoc main_#res;havoc main_#t~nondet5, main_#t~ret6, main_#t~ret7, main_~res~0, main_~x~0;main_~x~0 := main_#t~nondet5;havoc main_#t~nondet5; {38#true} is VALID [2020-07-28 17:48:54,026 INFO L280 TraceCheckUtils]: 2: Hoare triple {38#true} assume ~someBinaryFLOATComparisonOperation(main_~x~0, ~someUnaryFLOAToperation(0.0));__ieee754_sqrtf_#in~x := main_~x~0;havoc __ieee754_sqrtf_#res;havoc __ieee754_sqrtf_#t~mem0, __ieee754_sqrtf_#t~union1, __ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset, __ieee754_sqrtf_#t~post2, __ieee754_sqrtf_#t~mem3, __ieee754_sqrtf_#t~union4, __ieee754_sqrtf_~#sf_u~0.base, __ieee754_sqrtf_~#sf_u~0.offset, __ieee754_sqrtf_~x, __ieee754_sqrtf_~z~0, __ieee754_sqrtf_~r~0, __ieee754_sqrtf_~hx~0, __ieee754_sqrtf_~ix~0, __ieee754_sqrtf_~s~0, __ieee754_sqrtf_~q~0, __ieee754_sqrtf_~m~0, __ieee754_sqrtf_~t~0, __ieee754_sqrtf_~i~0;__ieee754_sqrtf_~x := __ieee754_sqrtf_#in~x;havoc __ieee754_sqrtf_~z~0;havoc __ieee754_sqrtf_~r~0;havoc __ieee754_sqrtf_~hx~0;havoc __ieee754_sqrtf_~ix~0;havoc __ieee754_sqrtf_~s~0;havoc __ieee754_sqrtf_~q~0;havoc __ieee754_sqrtf_~m~0;havoc __ieee754_sqrtf_~t~0;havoc __ieee754_sqrtf_~i~0; {38#true} is VALID [2020-07-28 17:48:54,027 INFO L280 TraceCheckUtils]: 3: Hoare triple {38#true} assume !true; {39#false} is VALID [2020-07-28 17:48:54,027 INFO L280 TraceCheckUtils]: 4: Hoare triple {39#false} __ieee754_sqrtf_~hx~0 := ~bitwiseAnd(__ieee754_sqrtf_~ix~0, 2147483647); {39#false} is VALID [2020-07-28 17:48:54,028 INFO L280 TraceCheckUtils]: 5: Hoare triple {39#false} assume !(__ieee754_sqrtf_~hx~0 % 4294967296 < 2139095040);__ieee754_sqrtf_#res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(__ieee754_sqrtf_~x, __ieee754_sqrtf_~x), __ieee754_sqrtf_~x); {39#false} is VALID [2020-07-28 17:48:54,028 INFO L280 TraceCheckUtils]: 6: Hoare triple {39#false} main_#t~ret6 := __ieee754_sqrtf_#res;main_~res~0 := main_#t~ret6;havoc main_#t~ret6;isnan_float_#in~x := main_~res~0;havoc isnan_float_#res;havoc isnan_float_~x;isnan_float_~x := isnan_float_#in~x;isnan_float_#res := (if ~someBinaryFLOATComparisonOperation(isnan_float_~x, isnan_float_~x) then 1 else 0); {39#false} is VALID [2020-07-28 17:48:54,028 INFO L280 TraceCheckUtils]: 7: Hoare triple {39#false} main_#t~ret7 := isnan_float_#res;assume -2147483648 <= main_#t~ret7 && main_#t~ret7 <= 2147483647; {39#false} is VALID [2020-07-28 17:48:54,029 INFO L280 TraceCheckUtils]: 8: Hoare triple {39#false} assume 0 == main_#t~ret7;havoc main_#t~ret7; {39#false} is VALID [2020-07-28 17:48:54,029 INFO L280 TraceCheckUtils]: 9: Hoare triple {39#false} assume !false; {39#false} is VALID [2020-07-28 17:48:54,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:48:54,032 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021640799] [2020-07-28 17:48:54,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:48:54,033 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 17:48:54,034 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626638914] [2020-07-28 17:48:54,041 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-07-28 17:48:54,042 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:48:54,046 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 17:48:54,092 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:48:54,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 17:48:54,092 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 17:48:54,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 17:48:54,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:48:54,103 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 2 states. [2020-07-28 17:48:54,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:48:54,222 INFO L93 Difference]: Finished difference Result 67 states and 102 transitions. [2020-07-28 17:48:54,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 17:48:54,223 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-07-28 17:48:54,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:48:54,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:48:54,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 102 transitions. [2020-07-28 17:48:54,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:48:54,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 102 transitions. [2020-07-28 17:48:54,237 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 102 transitions. [2020-07-28 17:48:54,402 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 102 edges. 102 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:48:54,414 INFO L225 Difference]: With dead ends: 67 [2020-07-28 17:48:54,414 INFO L226 Difference]: Without dead ends: 31 [2020-07-28 17:48:54,418 INFO L675 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 [2020-07-28 17:48:54,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-07-28 17:48:54,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-07-28 17:48:54,460 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:48:54,461 INFO L82 GeneralOperation]: Start isEquivalent. First operand 31 states. Second operand 31 states. [2020-07-28 17:48:54,462 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand 31 states. [2020-07-28 17:48:54,462 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 31 states. [2020-07-28 17:48:54,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:48:54,466 INFO L93 Difference]: Finished difference Result 31 states and 41 transitions. [2020-07-28 17:48:54,466 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2020-07-28 17:48:54,467 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:48:54,467 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:48:54,468 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand 31 states. [2020-07-28 17:48:54,468 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 31 states. [2020-07-28 17:48:54,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:48:54,471 INFO L93 Difference]: Finished difference Result 31 states and 41 transitions. [2020-07-28 17:48:54,472 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2020-07-28 17:48:54,472 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:48:54,472 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:48:54,473 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:48:54,473 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:48:54,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-07-28 17:48:54,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 41 transitions. [2020-07-28 17:48:54,478 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 41 transitions. Word has length 10 [2020-07-28 17:48:54,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:48:54,479 INFO L479 AbstractCegarLoop]: Abstraction has 31 states and 41 transitions. [2020-07-28 17:48:54,479 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 17:48:54,480 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2020-07-28 17:48:54,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-28 17:48:54,480 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:48:54,481 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:48:54,481 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 17:48:54,481 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:48:54,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:48:54,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1279985196, now seen corresponding path program 1 times [2020-07-28 17:48:54,482 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 17:48:54,483 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549187790] [2020-07-28 17:48:54,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 17:48:54,543 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 17:48:54,544 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.TableauxRow.(TableauxRow.java:45) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.generateLinVar(LinArSolve.java:275) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.createEquality(LinArSolve.java:1974) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createLAEquality(EqualityProxy.java:83) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createAtom(EqualityProxy.java:165) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.getLiteral(EqualityProxy.java:186) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createCCEquality(EqualityProxy.java:109) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.mbtc(LinArSolve.java:1891) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.computeConflictClause(LinArSolve.java:664) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.checkConsistency(DPLLEngine.java:1010) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.solve(DPLLEngine.java:1157) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol$CheckType$1.check(SMTInterpol.java:117) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.checkSatAssuming(SMTInterpol.java:494) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.checkSat(SMTInterpol.java:446) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:130) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:295) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:206) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) 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:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-28 17:48:54,553 INFO L168 Benchmark]: Toolchain (without parser) took 1941.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 956.2 MB in the beginning and 1.0 GB in the end (delta: -74.0 MB). Peak memory consumption was 64.4 MB. Max. memory is 11.5 GB. [2020-07-28 17:48:54,555 INFO L168 Benchmark]: CDTParser took 1.01 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:48:54,556 INFO L168 Benchmark]: CACSL2BoogieTranslator took 404.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -178.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2020-07-28 17:48:54,558 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-07-28 17:48:54,559 INFO L168 Benchmark]: Boogie Preprocessor took 40.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:48:54,561 INFO L168 Benchmark]: RCFGBuilder took 615.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.5 MB). Peak memory consumption was 44.5 MB. Max. memory is 11.5 GB. [2020-07-28 17:48:54,563 INFO L168 Benchmark]: TraceAbstraction took 781.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.4 MB). Peak memory consumption was 53.4 MB. Max. memory is 11.5 GB. [2020-07-28 17:48:54,571 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.01 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 404.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -178.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 90.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 615.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.5 MB). Peak memory consumption was 44.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 781.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.4 MB). Peak memory consumption was 53.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: null: de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.TableauxRow.(TableauxRow.java:45) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 17:48:56,585 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 17:48:56,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 17:48:56,601 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 17:48:56,601 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 17:48:56,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 17:48:56,604 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 17:48:56,606 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 17:48:56,608 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 17:48:56,610 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 17:48:56,611 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 17:48:56,612 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 17:48:56,613 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 17:48:56,614 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 17:48:56,615 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 17:48:56,617 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 17:48:56,618 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 17:48:56,619 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 17:48:56,621 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 17:48:56,623 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 17:48:56,625 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 17:48:56,627 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 17:48:56,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 17:48:56,629 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 17:48:56,632 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 17:48:56,633 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 17:48:56,633 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 17:48:56,634 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 17:48:56,635 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 17:48:56,636 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 17:48:56,636 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:48:56,637 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:48:56,638 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:48:56,639 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:48:56,640 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:48:56,641 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:48:56,642 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:48:56,642 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:48:56,642 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:48:56,643 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:48:56,644 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:48:56,645 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-07-28 17:48:56,665 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:48:56,665 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:48:56,666 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:48:56,666 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:48:56,667 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:48:56,667 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:48:56,667 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:48:56,668 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:48:56,669 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:48:56,669 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:48:56,670 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:48:56,671 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:48:56,671 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-07-28 17:48:56,671 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-07-28 17:48:56,672 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:48:56,672 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:48:56,672 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:48:56,673 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:48:56,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:48:56,673 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:48:56,673 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:48:56,674 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:48:56,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:48:56,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:48:56,675 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:48:56,675 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:48:56,675 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-07-28 17:48:56,676 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-07-28 17:48:56,676 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:48:56,676 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:48:56,676 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-28 17:48:56,677 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ff4e8ff973f803d8fa94df33d1e2314e0626318 [2020-07-28 17:48:56,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:48:57,011 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:48:57,015 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:48:57,017 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:48:57,017 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:48:57,018 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0710.c [2020-07-28 17:48:57,089 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f009d6bd/d3453d7c9b0b454583ff5595049e9b0c/FLAGcf90f0869 [2020-07-28 17:48:57,609 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:48:57,610 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0710.c [2020-07-28 17:48:57,619 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f009d6bd/d3453d7c9b0b454583ff5595049e9b0c/FLAGcf90f0869 [2020-07-28 17:48:57,922 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f009d6bd/d3453d7c9b0b454583ff5595049e9b0c [2020-07-28 17:48:57,927 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:48:57,931 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:48:57,935 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:48:57,935 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:48:57,939 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:48:57,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:48:57" (1/1) ... [2020-07-28 17:48:57,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28b5a801 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:48:57, skipping insertion in model container [2020-07-28 17:48:57,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:48:57" (1/1) ... [2020-07-28 17:48:57,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:48:57,984 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:48:58,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:48:58,248 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 17:48:58,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:48:58,410 INFO L208 MainTranslator]: Completed translation [2020-07-28 17:48:58,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:48:58 WrapperNode [2020-07-28 17:48:58,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 17:48:58,413 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 17:48:58,413 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 17:48:58,415 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 17:48:58,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:48:58" (1/1) ... [2020-07-28 17:48:58,449 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:48:58" (1/1) ... [2020-07-28 17:48:58,488 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 17:48:58,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 17:48:58,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 17:48:58,490 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 17:48:58,501 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:48:58" (1/1) ... [2020-07-28 17:48:58,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:48:58" (1/1) ... [2020-07-28 17:48:58,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:48:58" (1/1) ... [2020-07-28 17:48:58,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:48:58" (1/1) ... [2020-07-28 17:48:58,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:48:58" (1/1) ... [2020-07-28 17:48:58,526 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:48:58" (1/1) ... [2020-07-28 17:48:58,529 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:48:58" (1/1) ... [2020-07-28 17:48:58,534 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 17:48:58,534 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 17:48:58,535 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 17:48:58,535 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 17:48:58,536 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:48:58" (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 [2020-07-28 17:48:58,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 17:48:58,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-07-28 17:48:58,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-07-28 17:48:58,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 17:48:58,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 17:48:58,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-07-28 17:48:58,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-07-28 17:48:58,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 17:48:59,788 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 17:48:59,788 INFO L295 CfgBuilder]: Removed 14 assume(true) statements. [2020-07-28 17:48:59,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:48:59 BoogieIcfgContainer [2020-07-28 17:48:59,794 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 17:48:59,795 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 17:48:59,796 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 17:48:59,799 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 17:48:59,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 05:48:57" (1/3) ... [2020-07-28 17:48:59,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3184c836 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:48:59, skipping insertion in model container [2020-07-28 17:48:59,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:48:58" (2/3) ... [2020-07-28 17:48:59,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3184c836 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:48:59, skipping insertion in model container [2020-07-28 17:48:59,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:48:59" (3/3) ... [2020-07-28 17:48:59,807 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0710.c [2020-07-28 17:48:59,819 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 17:48:59,827 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 17:48:59,842 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 17:48:59,870 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 17:48:59,871 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 17:48:59,871 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 17:48:59,871 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 17:48:59,871 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 17:48:59,872 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 17:48:59,872 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 17:48:59,872 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 17:48:59,887 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states. [2020-07-28 17:48:59,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-07-28 17:48:59,893 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:48:59,894 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:48:59,894 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:48:59,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:48:59,900 INFO L82 PathProgramCache]: Analyzing trace with hash 860611220, now seen corresponding path program 1 times [2020-07-28 17:48:59,912 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:48:59,912 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1373335854] [2020-07-28 17:48:59,913 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 [2020-07-28 17:49:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:49:00,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-28 17:49:00,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:49:00,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:49:00,171 INFO L280 TraceCheckUtils]: 0: Hoare triple {38#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~one_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~tiny_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30)); {38#true} is VALID [2020-07-28 17:49:00,172 INFO L280 TraceCheckUtils]: 1: Hoare triple {38#true} havoc main_#res;havoc main_#t~nondet5, main_#t~ret6, main_#t~ret7, main_~res~0, main_~x~0;main_~x~0 := main_#t~nondet5;havoc main_#t~nondet5; {38#true} is VALID [2020-07-28 17:49:00,173 INFO L280 TraceCheckUtils]: 2: Hoare triple {38#true} assume ~fp.lt~FLOAT(main_~x~0, ~fp.neg~FLOAT(~Pluszero~FLOAT()));__ieee754_sqrtf_#in~x := main_~x~0;havoc __ieee754_sqrtf_#res;havoc __ieee754_sqrtf_#t~mem0, __ieee754_sqrtf_#t~union1, __ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset, __ieee754_sqrtf_#t~post2, __ieee754_sqrtf_#t~mem3, __ieee754_sqrtf_#t~union4, __ieee754_sqrtf_~#sf_u~0.base, __ieee754_sqrtf_~#sf_u~0.offset, __ieee754_sqrtf_~x, __ieee754_sqrtf_~z~0, __ieee754_sqrtf_~r~0, __ieee754_sqrtf_~hx~0, __ieee754_sqrtf_~ix~0, __ieee754_sqrtf_~s~0, __ieee754_sqrtf_~q~0, __ieee754_sqrtf_~m~0, __ieee754_sqrtf_~t~0, __ieee754_sqrtf_~i~0;__ieee754_sqrtf_~x := __ieee754_sqrtf_#in~x;havoc __ieee754_sqrtf_~z~0;havoc __ieee754_sqrtf_~r~0;havoc __ieee754_sqrtf_~hx~0;havoc __ieee754_sqrtf_~ix~0;havoc __ieee754_sqrtf_~s~0;havoc __ieee754_sqrtf_~q~0;havoc __ieee754_sqrtf_~m~0;havoc __ieee754_sqrtf_~t~0;havoc __ieee754_sqrtf_~i~0; {38#true} is VALID [2020-07-28 17:49:00,176 INFO L280 TraceCheckUtils]: 3: Hoare triple {38#true} assume !true; {39#false} is VALID [2020-07-28 17:49:00,177 INFO L280 TraceCheckUtils]: 4: Hoare triple {39#false} __ieee754_sqrtf_~hx~0 := ~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0); {39#false} is VALID [2020-07-28 17:49:00,177 INFO L280 TraceCheckUtils]: 5: Hoare triple {39#false} assume !~bvult32(__ieee754_sqrtf_~hx~0, 2139095040bv32);__ieee754_sqrtf_#res := ~fp.add~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, __ieee754_sqrtf_~x, __ieee754_sqrtf_~x), __ieee754_sqrtf_~x); {39#false} is VALID [2020-07-28 17:49:00,177 INFO L280 TraceCheckUtils]: 6: Hoare triple {39#false} main_#t~ret6 := __ieee754_sqrtf_#res;main_~res~0 := main_#t~ret6;havoc main_#t~ret6;isnan_float_#in~x := main_~res~0;havoc isnan_float_#res;havoc isnan_float_~x;isnan_float_~x := isnan_float_#in~x;isnan_float_#res := (if !~fp.eq~FLOAT(isnan_float_~x, isnan_float_~x) then 1bv32 else 0bv32); {39#false} is VALID [2020-07-28 17:49:00,178 INFO L280 TraceCheckUtils]: 7: Hoare triple {39#false} main_#t~ret7 := isnan_float_#res; {39#false} is VALID [2020-07-28 17:49:00,179 INFO L280 TraceCheckUtils]: 8: Hoare triple {39#false} assume 0bv32 == main_#t~ret7;havoc main_#t~ret7; {39#false} is VALID [2020-07-28 17:49:00,179 INFO L280 TraceCheckUtils]: 9: Hoare triple {39#false} assume !false; {39#false} is VALID [2020-07-28 17:49:00,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:49:00,183 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:49:00,205 INFO L280 TraceCheckUtils]: 9: Hoare triple {39#false} assume !false; {39#false} is VALID [2020-07-28 17:49:00,206 INFO L280 TraceCheckUtils]: 8: Hoare triple {39#false} assume 0bv32 == main_#t~ret7;havoc main_#t~ret7; {39#false} is VALID [2020-07-28 17:49:00,206 INFO L280 TraceCheckUtils]: 7: Hoare triple {39#false} main_#t~ret7 := isnan_float_#res; {39#false} is VALID [2020-07-28 17:49:00,207 INFO L280 TraceCheckUtils]: 6: Hoare triple {39#false} main_#t~ret6 := __ieee754_sqrtf_#res;main_~res~0 := main_#t~ret6;havoc main_#t~ret6;isnan_float_#in~x := main_~res~0;havoc isnan_float_#res;havoc isnan_float_~x;isnan_float_~x := isnan_float_#in~x;isnan_float_#res := (if !~fp.eq~FLOAT(isnan_float_~x, isnan_float_~x) then 1bv32 else 0bv32); {39#false} is VALID [2020-07-28 17:49:00,207 INFO L280 TraceCheckUtils]: 5: Hoare triple {39#false} assume !~bvult32(__ieee754_sqrtf_~hx~0, 2139095040bv32);__ieee754_sqrtf_#res := ~fp.add~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, __ieee754_sqrtf_~x, __ieee754_sqrtf_~x), __ieee754_sqrtf_~x); {39#false} is VALID [2020-07-28 17:49:00,207 INFO L280 TraceCheckUtils]: 4: Hoare triple {39#false} __ieee754_sqrtf_~hx~0 := ~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0); {39#false} is VALID [2020-07-28 17:49:00,209 INFO L280 TraceCheckUtils]: 3: Hoare triple {38#true} assume !true; {39#false} is VALID [2020-07-28 17:49:00,209 INFO L280 TraceCheckUtils]: 2: Hoare triple {38#true} assume ~fp.lt~FLOAT(main_~x~0, ~fp.neg~FLOAT(~Pluszero~FLOAT()));__ieee754_sqrtf_#in~x := main_~x~0;havoc __ieee754_sqrtf_#res;havoc __ieee754_sqrtf_#t~mem0, __ieee754_sqrtf_#t~union1, __ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset, __ieee754_sqrtf_#t~post2, __ieee754_sqrtf_#t~mem3, __ieee754_sqrtf_#t~union4, __ieee754_sqrtf_~#sf_u~0.base, __ieee754_sqrtf_~#sf_u~0.offset, __ieee754_sqrtf_~x, __ieee754_sqrtf_~z~0, __ieee754_sqrtf_~r~0, __ieee754_sqrtf_~hx~0, __ieee754_sqrtf_~ix~0, __ieee754_sqrtf_~s~0, __ieee754_sqrtf_~q~0, __ieee754_sqrtf_~m~0, __ieee754_sqrtf_~t~0, __ieee754_sqrtf_~i~0;__ieee754_sqrtf_~x := __ieee754_sqrtf_#in~x;havoc __ieee754_sqrtf_~z~0;havoc __ieee754_sqrtf_~r~0;havoc __ieee754_sqrtf_~hx~0;havoc __ieee754_sqrtf_~ix~0;havoc __ieee754_sqrtf_~s~0;havoc __ieee754_sqrtf_~q~0;havoc __ieee754_sqrtf_~m~0;havoc __ieee754_sqrtf_~t~0;havoc __ieee754_sqrtf_~i~0; {38#true} is VALID [2020-07-28 17:49:00,210 INFO L280 TraceCheckUtils]: 1: Hoare triple {38#true} havoc main_#res;havoc main_#t~nondet5, main_#t~ret6, main_#t~ret7, main_~res~0, main_~x~0;main_~x~0 := main_#t~nondet5;havoc main_#t~nondet5; {38#true} is VALID [2020-07-28 17:49:00,210 INFO L280 TraceCheckUtils]: 0: Hoare triple {38#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~one_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~tiny_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30)); {38#true} is VALID [2020-07-28 17:49:00,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:49:00,212 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1373335854] [2020-07-28 17:49:00,213 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:49:00,213 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-07-28 17:49:00,215 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975917858] [2020-07-28 17:49:00,221 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-07-28 17:49:00,222 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:49:00,226 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 17:49:00,301 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:49:00,301 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 17:49:00,302 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:49:00,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 17:49:00,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:49:00,311 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 2 states. [2020-07-28 17:49:00,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:49:00,962 INFO L93 Difference]: Finished difference Result 67 states and 102 transitions. [2020-07-28 17:49:00,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 17:49:00,963 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-07-28 17:49:00,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:49:00,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:49:00,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 102 transitions. [2020-07-28 17:49:00,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:49:00,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 102 transitions. [2020-07-28 17:49:00,993 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 102 transitions. [2020-07-28 17:49:01,652 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 102 edges. 102 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:49:01,672 INFO L225 Difference]: With dead ends: 67 [2020-07-28 17:49:01,673 INFO L226 Difference]: Without dead ends: 31 [2020-07-28 17:49:01,686 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:49:01,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-07-28 17:49:01,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-07-28 17:49:01,762 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:49:01,763 INFO L82 GeneralOperation]: Start isEquivalent. First operand 31 states. Second operand 31 states. [2020-07-28 17:49:01,764 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand 31 states. [2020-07-28 17:49:01,764 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 31 states. [2020-07-28 17:49:01,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:49:01,770 INFO L93 Difference]: Finished difference Result 31 states and 41 transitions. [2020-07-28 17:49:01,770 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2020-07-28 17:49:01,771 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:49:01,771 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:49:01,772 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand 31 states. [2020-07-28 17:49:01,772 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 31 states. [2020-07-28 17:49:01,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:49:01,782 INFO L93 Difference]: Finished difference Result 31 states and 41 transitions. [2020-07-28 17:49:01,783 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2020-07-28 17:49:01,784 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:49:01,785 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:49:01,785 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:49:01,786 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:49:01,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-07-28 17:49:01,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 41 transitions. [2020-07-28 17:49:01,793 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 41 transitions. Word has length 10 [2020-07-28 17:49:01,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:49:01,799 INFO L479 AbstractCegarLoop]: Abstraction has 31 states and 41 transitions. [2020-07-28 17:49:01,800 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 17:49:01,800 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2020-07-28 17:49:01,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-28 17:49:01,802 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:49:01,802 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:49:02,016 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-07-28 17:49:02,017 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:49:02,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:49:02,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1279985196, now seen corresponding path program 1 times [2020-07-28 17:49:02,019 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:49:02,020 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1942294541] [2020-07-28 17:49:02,020 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 [2020-07-28 17:49:02,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:49:02,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 16 conjunts are in the unsatisfiable core [2020-07-28 17:49:02,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:49:02,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:49:12,153 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2020-07-28 17:49:12,177 INFO L523 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-28 17:49:12,735 INFO L280 TraceCheckUtils]: 0: Hoare triple {276#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~one_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~tiny_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30)); {281#(= currentRoundingMode roundNearestTiesToEven)} is VALID [2020-07-28 17:49:12,736 INFO L280 TraceCheckUtils]: 1: Hoare triple {281#(= currentRoundingMode roundNearestTiesToEven)} havoc main_#res;havoc main_#t~nondet5, main_#t~ret6, main_#t~ret7, main_~res~0, main_~x~0;main_~x~0 := main_#t~nondet5;havoc main_#t~nondet5; {281#(= currentRoundingMode roundNearestTiesToEven)} is VALID [2020-07-28 17:49:12,738 INFO L280 TraceCheckUtils]: 2: Hoare triple {281#(= currentRoundingMode roundNearestTiesToEven)} assume ~fp.lt~FLOAT(main_~x~0, ~fp.neg~FLOAT(~Pluszero~FLOAT()));__ieee754_sqrtf_#in~x := main_~x~0;havoc __ieee754_sqrtf_#res;havoc __ieee754_sqrtf_#t~mem0, __ieee754_sqrtf_#t~union1, __ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset, __ieee754_sqrtf_#t~post2, __ieee754_sqrtf_#t~mem3, __ieee754_sqrtf_#t~union4, __ieee754_sqrtf_~#sf_u~0.base, __ieee754_sqrtf_~#sf_u~0.offset, __ieee754_sqrtf_~x, __ieee754_sqrtf_~z~0, __ieee754_sqrtf_~r~0, __ieee754_sqrtf_~hx~0, __ieee754_sqrtf_~ix~0, __ieee754_sqrtf_~s~0, __ieee754_sqrtf_~q~0, __ieee754_sqrtf_~m~0, __ieee754_sqrtf_~t~0, __ieee754_sqrtf_~i~0;__ieee754_sqrtf_~x := __ieee754_sqrtf_#in~x;havoc __ieee754_sqrtf_~z~0;havoc __ieee754_sqrtf_~r~0;havoc __ieee754_sqrtf_~hx~0;havoc __ieee754_sqrtf_~ix~0;havoc __ieee754_sqrtf_~s~0;havoc __ieee754_sqrtf_~q~0;havoc __ieee754_sqrtf_~m~0;havoc __ieee754_sqrtf_~t~0;havoc __ieee754_sqrtf_~i~0; {288#(and (fp.lt ULTIMATE.start___ieee754_sqrtf_~x (fp.neg (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:49:12,750 INFO L280 TraceCheckUtils]: 3: Hoare triple {288#(and (fp.lt ULTIMATE.start___ieee754_sqrtf_~x (fp.neg (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven))} call __ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_sqrtf_~x, __ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset, 4bv32);call __ieee754_sqrtf_#t~mem0 := read~intINTTYPE4(__ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset, 4bv32);__ieee754_sqrtf_~ix~0 := __ieee754_sqrtf_#t~mem0;call write~intFLOATTYPE4(__ieee754_sqrtf_#t~union1, __ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset, 4bv32);havoc __ieee754_sqrtf_#t~union1;havoc __ieee754_sqrtf_#t~mem0;call ULTIMATE.dealloc(__ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset);havoc __ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset; {292#(and (= ULTIMATE.start___ieee754_sqrtf_~x (fp ((_ extract 31 31) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 30 23) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 22 0) ULTIMATE.start___ieee754_sqrtf_~ix~0))) (fp.lt ULTIMATE.start___ieee754_sqrtf_~x (fp.neg (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:49:12,752 INFO L280 TraceCheckUtils]: 4: Hoare triple {292#(and (= ULTIMATE.start___ieee754_sqrtf_~x (fp ((_ extract 31 31) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 30 23) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 22 0) ULTIMATE.start___ieee754_sqrtf_~ix~0))) (fp.lt ULTIMATE.start___ieee754_sqrtf_~x (fp.neg (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven))} goto; {292#(and (= ULTIMATE.start___ieee754_sqrtf_~x (fp ((_ extract 31 31) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 30 23) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 22 0) ULTIMATE.start___ieee754_sqrtf_~ix~0))) (fp.lt ULTIMATE.start___ieee754_sqrtf_~x (fp.neg (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:49:12,755 INFO L280 TraceCheckUtils]: 5: Hoare triple {292#(and (= ULTIMATE.start___ieee754_sqrtf_~x (fp ((_ extract 31 31) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 30 23) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 22 0) ULTIMATE.start___ieee754_sqrtf_~ix~0))) (fp.lt ULTIMATE.start___ieee754_sqrtf_~x (fp.neg (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven))} __ieee754_sqrtf_~hx~0 := ~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0); {299#(and (fp.lt ULTIMATE.start___ieee754_sqrtf_~x (fp.neg (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start___ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (= ULTIMATE.start___ieee754_sqrtf_~x (fp ((_ extract 31 31) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 30 23) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 22 0) ULTIMATE.start___ieee754_sqrtf_~ix~0))) (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_sqrtf_~ix~0) ULTIMATE.start___ieee754_sqrtf_~hx~0))))} is VALID [2020-07-28 17:49:12,851 INFO L280 TraceCheckUtils]: 6: Hoare triple {299#(and (fp.lt ULTIMATE.start___ieee754_sqrtf_~x (fp.neg (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start___ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (= ULTIMATE.start___ieee754_sqrtf_~x (fp ((_ extract 31 31) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 30 23) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 22 0) ULTIMATE.start___ieee754_sqrtf_~ix~0))) (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_sqrtf_~ix~0) ULTIMATE.start___ieee754_sqrtf_~hx~0))))} assume !~bvult32(__ieee754_sqrtf_~hx~0, 2139095040bv32);__ieee754_sqrtf_#res := ~fp.add~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, __ieee754_sqrtf_~x, __ieee754_sqrtf_~x), __ieee754_sqrtf_~x); {303#(exists ((ULTIMATE.start___ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (= |ULTIMATE.start___ieee754_sqrtf_#res| (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp ((_ extract 31 31) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 30 23) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 22 0) ULTIMATE.start___ieee754_sqrtf_~ix~0)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 30 23) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 22 0) ULTIMATE.start___ieee754_sqrtf_~ix~0))) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 30 23) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 22 0) ULTIMATE.start___ieee754_sqrtf_~ix~0)))) (not (bvult (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_sqrtf_~ix~0) (_ bv2139095040 32))) (fp.lt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 30 23) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 22 0) ULTIMATE.start___ieee754_sqrtf_~ix~0)) (fp.neg (_ +zero 8 24)))))} is VALID [2020-07-28 17:49:12,936 INFO L280 TraceCheckUtils]: 7: Hoare triple {303#(exists ((ULTIMATE.start___ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (= |ULTIMATE.start___ieee754_sqrtf_#res| (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp ((_ extract 31 31) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 30 23) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 22 0) ULTIMATE.start___ieee754_sqrtf_~ix~0)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 30 23) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 22 0) ULTIMATE.start___ieee754_sqrtf_~ix~0))) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 30 23) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 22 0) ULTIMATE.start___ieee754_sqrtf_~ix~0)))) (not (bvult (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_sqrtf_~ix~0) (_ bv2139095040 32))) (fp.lt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 30 23) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 22 0) ULTIMATE.start___ieee754_sqrtf_~ix~0)) (fp.neg (_ +zero 8 24)))))} main_#t~ret6 := __ieee754_sqrtf_#res;main_~res~0 := main_#t~ret6;havoc main_#t~ret6;isnan_float_#in~x := main_~res~0;havoc isnan_float_#res;havoc isnan_float_~x;isnan_float_~x := isnan_float_#in~x;isnan_float_#res := (if !~fp.eq~FLOAT(isnan_float_~x, isnan_float_~x) then 1bv32 else 0bv32); {307#(= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|)} is VALID [2020-07-28 17:49:12,937 INFO L280 TraceCheckUtils]: 8: Hoare triple {307#(= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|)} main_#t~ret7 := isnan_float_#res; {311#(= (bvadd |ULTIMATE.start_main_#t~ret7| (_ bv4294967295 32)) (_ bv0 32))} is VALID [2020-07-28 17:49:12,938 INFO L280 TraceCheckUtils]: 9: Hoare triple {311#(= (bvadd |ULTIMATE.start_main_#t~ret7| (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == main_#t~ret7;havoc main_#t~ret7; {277#false} is VALID [2020-07-28 17:49:12,938 INFO L280 TraceCheckUtils]: 10: Hoare triple {277#false} assume !false; {277#false} is VALID [2020-07-28 17:49:12,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:49:12,943 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:49:20,623 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 10 [2020-07-28 17:49:28,115 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 12 [2020-07-28 17:49:36,918 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 20 [2020-07-28 17:49:37,177 INFO L280 TraceCheckUtils]: 10: Hoare triple {277#false} assume !false; {277#false} is VALID [2020-07-28 17:49:37,178 INFO L280 TraceCheckUtils]: 9: Hoare triple {321#(not (= |ULTIMATE.start_main_#t~ret7| (_ bv0 32)))} assume 0bv32 == main_#t~ret7;havoc main_#t~ret7; {277#false} is VALID [2020-07-28 17:49:37,179 INFO L280 TraceCheckUtils]: 8: Hoare triple {325#(not (= (_ bv0 32) |ULTIMATE.start_isnan_float_#res|))} main_#t~ret7 := isnan_float_#res; {321#(not (= |ULTIMATE.start_main_#t~ret7| (_ bv0 32)))} is VALID [2020-07-28 17:49:37,180 INFO L280 TraceCheckUtils]: 7: Hoare triple {329#(not (fp.eq |ULTIMATE.start___ieee754_sqrtf_#res| |ULTIMATE.start___ieee754_sqrtf_#res|))} main_#t~ret6 := __ieee754_sqrtf_#res;main_~res~0 := main_#t~ret6;havoc main_#t~ret6;isnan_float_#in~x := main_~res~0;havoc isnan_float_#res;havoc isnan_float_~x;isnan_float_~x := isnan_float_#in~x;isnan_float_#res := (if !~fp.eq~FLOAT(isnan_float_~x, isnan_float_~x) then 1bv32 else 0bv32); {325#(not (= (_ bv0 32) |ULTIMATE.start_isnan_float_#res|))} is VALID [2020-07-28 17:49:37,181 INFO L280 TraceCheckUtils]: 6: Hoare triple {333#(or (not (fp.eq (fp.add currentRoundingMode (fp.mul currentRoundingMode ULTIMATE.start___ieee754_sqrtf_~x ULTIMATE.start___ieee754_sqrtf_~x) ULTIMATE.start___ieee754_sqrtf_~x) (fp.add currentRoundingMode (fp.mul currentRoundingMode ULTIMATE.start___ieee754_sqrtf_~x ULTIMATE.start___ieee754_sqrtf_~x) ULTIMATE.start___ieee754_sqrtf_~x))) (bvult ULTIMATE.start___ieee754_sqrtf_~hx~0 (_ bv2139095040 32)))} assume !~bvult32(__ieee754_sqrtf_~hx~0, 2139095040bv32);__ieee754_sqrtf_#res := ~fp.add~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, __ieee754_sqrtf_~x, __ieee754_sqrtf_~x), __ieee754_sqrtf_~x); {329#(not (fp.eq |ULTIMATE.start___ieee754_sqrtf_#res| |ULTIMATE.start___ieee754_sqrtf_#res|))} is VALID [2020-07-28 17:49:37,224 INFO L280 TraceCheckUtils]: 5: Hoare triple {337#(or (not (fp.eq (fp.add currentRoundingMode (fp.mul currentRoundingMode ULTIMATE.start___ieee754_sqrtf_~x ULTIMATE.start___ieee754_sqrtf_~x) ULTIMATE.start___ieee754_sqrtf_~x) (fp.add currentRoundingMode (fp.mul currentRoundingMode ULTIMATE.start___ieee754_sqrtf_~x ULTIMATE.start___ieee754_sqrtf_~x) ULTIMATE.start___ieee754_sqrtf_~x))) (bvult (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_sqrtf_~ix~0) (_ bv2139095040 32)))} __ieee754_sqrtf_~hx~0 := ~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0); {333#(or (not (fp.eq (fp.add currentRoundingMode (fp.mul currentRoundingMode ULTIMATE.start___ieee754_sqrtf_~x ULTIMATE.start___ieee754_sqrtf_~x) ULTIMATE.start___ieee754_sqrtf_~x) (fp.add currentRoundingMode (fp.mul currentRoundingMode ULTIMATE.start___ieee754_sqrtf_~x ULTIMATE.start___ieee754_sqrtf_~x) ULTIMATE.start___ieee754_sqrtf_~x))) (bvult ULTIMATE.start___ieee754_sqrtf_~hx~0 (_ bv2139095040 32)))} is VALID [2020-07-28 17:49:37,226 INFO L280 TraceCheckUtils]: 4: Hoare triple {337#(or (not (fp.eq (fp.add currentRoundingMode (fp.mul currentRoundingMode ULTIMATE.start___ieee754_sqrtf_~x ULTIMATE.start___ieee754_sqrtf_~x) ULTIMATE.start___ieee754_sqrtf_~x) (fp.add currentRoundingMode (fp.mul currentRoundingMode ULTIMATE.start___ieee754_sqrtf_~x ULTIMATE.start___ieee754_sqrtf_~x) ULTIMATE.start___ieee754_sqrtf_~x))) (bvult (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_sqrtf_~ix~0) (_ bv2139095040 32)))} goto; {337#(or (not (fp.eq (fp.add currentRoundingMode (fp.mul currentRoundingMode ULTIMATE.start___ieee754_sqrtf_~x ULTIMATE.start___ieee754_sqrtf_~x) ULTIMATE.start___ieee754_sqrtf_~x) (fp.add currentRoundingMode (fp.mul currentRoundingMode ULTIMATE.start___ieee754_sqrtf_~x ULTIMATE.start___ieee754_sqrtf_~x) ULTIMATE.start___ieee754_sqrtf_~x))) (bvult (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_sqrtf_~ix~0) (_ bv2139095040 32)))} is VALID [2020-07-28 17:49:37,271 INFO L280 TraceCheckUtils]: 3: Hoare triple {344#(or (not (fp.eq (fp.add currentRoundingMode (fp.mul currentRoundingMode ULTIMATE.start___ieee754_sqrtf_~x ULTIMATE.start___ieee754_sqrtf_~x) ULTIMATE.start___ieee754_sqrtf_~x) (fp.add currentRoundingMode (fp.mul currentRoundingMode ULTIMATE.start___ieee754_sqrtf_~x ULTIMATE.start___ieee754_sqrtf_~x) ULTIMATE.start___ieee754_sqrtf_~x))) (forall ((v_ULTIMATE.start___ieee754_sqrtf_~ix~0_26 (_ BitVec 32))) (or (bvult (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_sqrtf_~ix~0_26) (_ bv2139095040 32)) (not (= ULTIMATE.start___ieee754_sqrtf_~x (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_sqrtf_~ix~0_26) ((_ extract 30 23) v_ULTIMATE.start___ieee754_sqrtf_~ix~0_26) ((_ extract 22 0) v_ULTIMATE.start___ieee754_sqrtf_~ix~0_26)))))))} call __ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_sqrtf_~x, __ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset, 4bv32);call __ieee754_sqrtf_#t~mem0 := read~intINTTYPE4(__ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset, 4bv32);__ieee754_sqrtf_~ix~0 := __ieee754_sqrtf_#t~mem0;call write~intFLOATTYPE4(__ieee754_sqrtf_#t~union1, __ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset, 4bv32);havoc __ieee754_sqrtf_#t~union1;havoc __ieee754_sqrtf_#t~mem0;call ULTIMATE.dealloc(__ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset);havoc __ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset; {337#(or (not (fp.eq (fp.add currentRoundingMode (fp.mul currentRoundingMode ULTIMATE.start___ieee754_sqrtf_~x ULTIMATE.start___ieee754_sqrtf_~x) ULTIMATE.start___ieee754_sqrtf_~x) (fp.add currentRoundingMode (fp.mul currentRoundingMode ULTIMATE.start___ieee754_sqrtf_~x ULTIMATE.start___ieee754_sqrtf_~x) ULTIMATE.start___ieee754_sqrtf_~x))) (bvult (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_sqrtf_~ix~0) (_ bv2139095040 32)))} is VALID [2020-07-28 17:49:37,322 INFO L280 TraceCheckUtils]: 2: Hoare triple {276#true} assume ~fp.lt~FLOAT(main_~x~0, ~fp.neg~FLOAT(~Pluszero~FLOAT()));__ieee754_sqrtf_#in~x := main_~x~0;havoc __ieee754_sqrtf_#res;havoc __ieee754_sqrtf_#t~mem0, __ieee754_sqrtf_#t~union1, __ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset, __ieee754_sqrtf_#t~post2, __ieee754_sqrtf_#t~mem3, __ieee754_sqrtf_#t~union4, __ieee754_sqrtf_~#sf_u~0.base, __ieee754_sqrtf_~#sf_u~0.offset, __ieee754_sqrtf_~x, __ieee754_sqrtf_~z~0, __ieee754_sqrtf_~r~0, __ieee754_sqrtf_~hx~0, __ieee754_sqrtf_~ix~0, __ieee754_sqrtf_~s~0, __ieee754_sqrtf_~q~0, __ieee754_sqrtf_~m~0, __ieee754_sqrtf_~t~0, __ieee754_sqrtf_~i~0;__ieee754_sqrtf_~x := __ieee754_sqrtf_#in~x;havoc __ieee754_sqrtf_~z~0;havoc __ieee754_sqrtf_~r~0;havoc __ieee754_sqrtf_~hx~0;havoc __ieee754_sqrtf_~ix~0;havoc __ieee754_sqrtf_~s~0;havoc __ieee754_sqrtf_~q~0;havoc __ieee754_sqrtf_~m~0;havoc __ieee754_sqrtf_~t~0;havoc __ieee754_sqrtf_~i~0; {344#(or (not (fp.eq (fp.add currentRoundingMode (fp.mul currentRoundingMode ULTIMATE.start___ieee754_sqrtf_~x ULTIMATE.start___ieee754_sqrtf_~x) ULTIMATE.start___ieee754_sqrtf_~x) (fp.add currentRoundingMode (fp.mul currentRoundingMode ULTIMATE.start___ieee754_sqrtf_~x ULTIMATE.start___ieee754_sqrtf_~x) ULTIMATE.start___ieee754_sqrtf_~x))) (forall ((v_ULTIMATE.start___ieee754_sqrtf_~ix~0_26 (_ BitVec 32))) (or (bvult (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_sqrtf_~ix~0_26) (_ bv2139095040 32)) (not (= ULTIMATE.start___ieee754_sqrtf_~x (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_sqrtf_~ix~0_26) ((_ extract 30 23) v_ULTIMATE.start___ieee754_sqrtf_~ix~0_26) ((_ extract 22 0) v_ULTIMATE.start___ieee754_sqrtf_~ix~0_26)))))))} is VALID [2020-07-28 17:49:37,323 INFO L280 TraceCheckUtils]: 1: Hoare triple {276#true} havoc main_#res;havoc main_#t~nondet5, main_#t~ret6, main_#t~ret7, main_~res~0, main_~x~0;main_~x~0 := main_#t~nondet5;havoc main_#t~nondet5; {276#true} is VALID [2020-07-28 17:49:37,323 INFO L280 TraceCheckUtils]: 0: Hoare triple {276#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~one_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~tiny_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30)); {276#true} is VALID [2020-07-28 17:49:37,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:49:37,324 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1942294541] [2020-07-28 17:49:37,324 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:49:37,325 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 15 [2020-07-28 17:49:37,325 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019621696] [2020-07-28 17:49:37,326 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 11 [2020-07-28 17:49:37,327 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:49:37,327 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states. [2020-07-28 17:49:37,717 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:49:37,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-28 17:49:37,718 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:49:37,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-28 17:49:37,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=167, Unknown=2, NotChecked=0, Total=210 [2020-07-28 17:49:37,719 INFO L87 Difference]: Start difference. First operand 31 states and 41 transitions. Second operand 15 states. [2020-07-28 17:49:57,957 WARN L193 SmtUtils]: Spent 10.33 s on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2020-07-28 17:50:09,688 WARN L193 SmtUtils]: Spent 10.66 s on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2020-07-28 17:50:20,675 WARN L193 SmtUtils]: Spent 10.48 s on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2020-07-28 17:50:23,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:50:23,776 INFO L93 Difference]: Finished difference Result 34 states and 44 transitions. [2020-07-28 17:50:23,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-28 17:50:23,776 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 11 [2020-07-28 17:50:23,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:50:23,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-07-28 17:50:23,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 44 transitions. [2020-07-28 17:50:23,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-07-28 17:50:23,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 44 transitions. [2020-07-28 17:50:23,781 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 44 transitions. [2020-07-28 17:50:28,809 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 44 edges. 43 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2020-07-28 17:50:28,809 INFO L225 Difference]: With dead ends: 34 [2020-07-28 17:50:28,809 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 17:50:28,811 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 70.9s TimeCoverageRelationStatistics Valid=95, Invalid=245, Unknown=2, NotChecked=0, Total=342 [2020-07-28 17:50:28,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 17:50:28,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 17:50:28,812 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:50:28,812 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 17:50:28,812 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 17:50:28,812 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 17:50:28,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:50:28,813 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 17:50:28,813 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:50:28,814 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:50:28,814 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:50:28,814 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 17:50:28,814 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 17:50:28,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:50:28,815 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 17:50:28,815 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:50:28,815 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:50:28,815 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:50:28,815 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:50:28,816 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:50:28,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 17:50:28,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 17:50:28,817 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2020-07-28 17:50:28,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:50:28,817 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 17:50:28,817 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-28 17:50:28,818 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:50:28,818 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:50:29,019 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-07-28 17:50:29,023 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 17:50:34,430 WARN L193 SmtUtils]: Spent 5.34 s on a formula simplification that was a NOOP. DAG size: 30 [2020-07-28 17:50:39,692 WARN L193 SmtUtils]: Spent 5.25 s on a formula simplification that was a NOOP. DAG size: 33 [2020-07-28 17:50:39,716 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 17:50:39,716 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 17:50:39,716 INFO L264 CegarLoopResult]: At program point L53-2(lines 53 62) the Hoare annotation is: false [2020-07-28 17:50:39,717 INFO L268 CegarLoopResult]: For program point L53-3(lines 17 82) no Hoare annotation was computed. [2020-07-28 17:50:39,717 INFO L268 CegarLoopResult]: For program point L45(lines 45 46) no Hoare annotation was computed. [2020-07-28 17:50:39,717 INFO L268 CegarLoopResult]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2020-07-28 17:50:39,717 INFO L271 CegarLoopResult]: At program point L103(lines 84 104) the Hoare annotation is: true [2020-07-28 17:50:39,717 INFO L268 CegarLoopResult]: For program point L29(lines 29 30) no Hoare annotation was computed. [2020-07-28 17:50:39,719 INFO L264 CegarLoopResult]: At program point L13(line 13) the Hoare annotation is: (and (= ULTIMATE.start___ieee754_sqrtf_~x (fp ((_ extract 31 31) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 30 23) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 22 0) ULTIMATE.start___ieee754_sqrtf_~ix~0))) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (exists ((ULTIMATE.start___ieee754_sqrtf_~ix~0 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 30 23) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 22 0) ULTIMATE.start___ieee754_sqrtf_~ix~0)))) (and (= |ULTIMATE.start___ieee754_sqrtf_#res| (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0)) (not (bvult (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_sqrtf_~ix~0) (_ bv2139095040 32))) (fp.lt .cse0 (fp.neg (_ +zero 8 24)))))) (fp.lt ULTIMATE.start___ieee754_sqrtf_~x (fp.neg (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start___ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (= ULTIMATE.start___ieee754_sqrtf_~x (fp ((_ extract 31 31) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 30 23) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 22 0) ULTIMATE.start___ieee754_sqrtf_~ix~0))) (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_sqrtf_~ix~0) ULTIMATE.start___ieee754_sqrtf_~hx~0)))) [2020-07-28 17:50:39,719 INFO L268 CegarLoopResult]: For program point L38(lines 38 42) no Hoare annotation was computed. [2020-07-28 17:50:39,719 INFO L268 CegarLoopResult]: For program point L38-2(lines 38 42) no Hoare annotation was computed. [2020-07-28 17:50:39,719 INFO L268 CegarLoopResult]: For program point L55(lines 55 59) no Hoare annotation was computed. [2020-07-28 17:50:39,719 INFO L268 CegarLoopResult]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2020-07-28 17:50:39,719 INFO L268 CegarLoopResult]: For program point L55-2(lines 55 59) no Hoare annotation was computed. [2020-07-28 17:50:39,719 INFO L264 CegarLoopResult]: At program point L22-2(lines 22 26) the Hoare annotation is: (and (fp.lt ULTIMATE.start___ieee754_sqrtf_~x (fp.neg (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven)) [2020-07-28 17:50:39,720 INFO L268 CegarLoopResult]: For program point L22-3(lines 22 26) no Hoare annotation was computed. [2020-07-28 17:50:39,720 INFO L268 CegarLoopResult]: For program point L39-2(lines 39 40) no Hoare annotation was computed. [2020-07-28 17:50:39,720 INFO L264 CegarLoopResult]: At program point L39-3(lines 39 40) the Hoare annotation is: false [2020-07-28 17:50:39,720 INFO L268 CegarLoopResult]: For program point L39-4(lines 39 40) no Hoare annotation was computed. [2020-07-28 17:50:39,720 INFO L268 CegarLoopResult]: For program point L97(lines 97 100) no Hoare annotation was computed. [2020-07-28 17:50:39,721 INFO L268 CegarLoopResult]: For program point L64(lines 64 73) no Hoare annotation was computed. [2020-07-28 17:50:39,721 INFO L264 CegarLoopResult]: At program point L81(lines 17 82) the Hoare annotation is: (and (= ULTIMATE.start___ieee754_sqrtf_~x (fp ((_ extract 31 31) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 30 23) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 22 0) ULTIMATE.start___ieee754_sqrtf_~ix~0))) (exists ((ULTIMATE.start___ieee754_sqrtf_~ix~0 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 30 23) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 22 0) ULTIMATE.start___ieee754_sqrtf_~ix~0)))) (and (= |ULTIMATE.start___ieee754_sqrtf_#res| (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0)) (not (bvult (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_sqrtf_~ix~0) (_ bv2139095040 32))) (fp.lt .cse0 (fp.neg (_ +zero 8 24)))))) (fp.lt ULTIMATE.start___ieee754_sqrtf_~x (fp.neg (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start___ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (= ULTIMATE.start___ieee754_sqrtf_~x (fp ((_ extract 31 31) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 30 23) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 22 0) ULTIMATE.start___ieee754_sqrtf_~ix~0))) (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_sqrtf_~ix~0) ULTIMATE.start___ieee754_sqrtf_~hx~0)))) [2020-07-28 17:50:39,721 INFO L268 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-07-28 17:50:39,722 INFO L268 CegarLoopResult]: For program point L32(lines 32 33) no Hoare annotation was computed. [2020-07-28 17:50:39,722 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 17:50:39,722 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 98) no Hoare annotation was computed. [2020-07-28 17:50:39,722 INFO L268 CegarLoopResult]: For program point L66(lines 66 72) no Hoare annotation was computed. [2020-07-28 17:50:39,722 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 17:50:39,722 INFO L268 CegarLoopResult]: For program point L34(lines 34 35) no Hoare annotation was computed. [2020-07-28 17:50:39,723 INFO L268 CegarLoopResult]: For program point L92(lines 92 101) no Hoare annotation was computed. [2020-07-28 17:50:39,723 INFO L268 CegarLoopResult]: For program point L92-2(lines 92 101) no Hoare annotation was computed. [2020-07-28 17:50:39,723 INFO L268 CegarLoopResult]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2020-07-28 17:50:39,723 INFO L264 CegarLoopResult]: At program point L76-2(lines 76 80) the Hoare annotation is: false [2020-07-28 17:50:39,724 INFO L268 CegarLoopResult]: For program point L76-3(lines 76 80) no Hoare annotation was computed. [2020-07-28 17:50:39,724 INFO L268 CegarLoopResult]: For program point L68(lines 68 71) no Hoare annotation was computed. [2020-07-28 17:50:39,728 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 17:50:39,729 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 17:50:39,729 WARN L170 areAnnotationChecker]: L92 has no Hoare annotation [2020-07-28 17:50:39,729 WARN L170 areAnnotationChecker]: L92 has no Hoare annotation [2020-07-28 17:50:39,729 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-28 17:50:39,729 WARN L170 areAnnotationChecker]: L22-3 has no Hoare annotation [2020-07-28 17:50:39,730 WARN L170 areAnnotationChecker]: L92-2 has no Hoare annotation [2020-07-28 17:50:39,730 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-28 17:50:39,730 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-28 17:50:39,730 WARN L170 areAnnotationChecker]: L22-3 has no Hoare annotation [2020-07-28 17:50:39,730 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:50:39,731 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-28 17:50:39,731 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-28 17:50:39,731 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:50:39,798 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-28 17:50:39,798 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-28 17:50:39,798 WARN L170 areAnnotationChecker]: L97 has no Hoare annotation [2020-07-28 17:50:39,798 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-28 17:50:39,798 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-28 17:50:39,798 WARN L170 areAnnotationChecker]: L97 has no Hoare annotation [2020-07-28 17:50:39,798 WARN L170 areAnnotationChecker]: L97 has no Hoare annotation [2020-07-28 17:50:39,798 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-28 17:50:39,799 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-28 17:50:39,799 WARN L170 areAnnotationChecker]: L98 has no Hoare annotation [2020-07-28 17:50:39,799 WARN L170 areAnnotationChecker]: L98 has no Hoare annotation [2020-07-28 17:50:39,799 WARN L170 areAnnotationChecker]: L39-4 has no Hoare annotation [2020-07-28 17:50:39,799 WARN L170 areAnnotationChecker]: L39-4 has no Hoare annotation [2020-07-28 17:50:39,799 WARN L170 areAnnotationChecker]: L39-2 has no Hoare annotation [2020-07-28 17:50:39,799 WARN L170 areAnnotationChecker]: L38-2 has no Hoare annotation [2020-07-28 17:50:39,799 WARN L170 areAnnotationChecker]: L39-4 has no Hoare annotation [2020-07-28 17:50:39,799 WARN L170 areAnnotationChecker]: L39-2 has no Hoare annotation [2020-07-28 17:50:39,800 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2020-07-28 17:50:39,800 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2020-07-28 17:50:39,800 WARN L170 areAnnotationChecker]: L45-2 has no Hoare annotation [2020-07-28 17:50:39,800 WARN L170 areAnnotationChecker]: L53-3 has no Hoare annotation [2020-07-28 17:50:39,800 WARN L170 areAnnotationChecker]: L53-3 has no Hoare annotation [2020-07-28 17:50:39,800 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-28 17:50:39,800 WARN L170 areAnnotationChecker]: L53-3 has no Hoare annotation [2020-07-28 17:50:39,800 WARN L170 areAnnotationChecker]: L53-3 has no Hoare annotation [2020-07-28 17:50:39,800 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-28 17:50:39,800 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-28 17:50:39,800 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2020-07-28 17:50:39,801 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2020-07-28 17:50:39,801 WARN L170 areAnnotationChecker]: L64 has no Hoare annotation [2020-07-28 17:50:39,801 WARN L170 areAnnotationChecker]: L55-2 has no Hoare annotation [2020-07-28 17:50:39,801 WARN L170 areAnnotationChecker]: L68 has no Hoare annotation [2020-07-28 17:50:39,801 WARN L170 areAnnotationChecker]: L68 has no Hoare annotation [2020-07-28 17:50:39,801 WARN L170 areAnnotationChecker]: L76-1 has no Hoare annotation [2020-07-28 17:50:39,801 WARN L170 areAnnotationChecker]: L76-3 has no Hoare annotation [2020-07-28 17:50:39,801 WARN L170 areAnnotationChecker]: L76-1 has no Hoare annotation [2020-07-28 17:50:39,801 WARN L170 areAnnotationChecker]: L76-1 has no Hoare annotation [2020-07-28 17:50:39,801 WARN L170 areAnnotationChecker]: L76-3 has no Hoare annotation [2020-07-28 17:50:39,802 INFO L163 areAnnotationChecker]: CFG has 1 edges. 1 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 17:50:39,809 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:39,810 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:39,811 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,811 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,811 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,811 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,812 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,812 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,812 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,813 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,813 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,813 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,813 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,814 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,814 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,815 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:39,815 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,815 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,815 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,816 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,818 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:39,820 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:39,821 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:39,821 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,821 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,821 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,822 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,822 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,822 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,823 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,823 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,823 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,823 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,824 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,824 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,824 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,825 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:39,825 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,825 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,825 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,826 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,826 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:39,827 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:39,828 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:39,828 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,828 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,829 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,829 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,829 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,830 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,830 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,830 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,830 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,831 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,831 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,831 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,832 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,832 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:39,832 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,832 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,833 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,833 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,834 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:39,834 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:39,835 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:39,835 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,835 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,836 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,836 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,836 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,836 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,837 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,837 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,837 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,838 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,838 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,838 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,838 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,839 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:39,839 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,839 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,839 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,840 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,840 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:39,841 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:39,842 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:39,842 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:39,842 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:39,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 05:50:39 BoogieIcfgContainer [2020-07-28 17:50:39,845 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 17:50:39,845 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 17:50:39,846 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 17:50:39,846 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 17:50:39,847 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:48:59" (3/4) ... [2020-07-28 17:50:39,850 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 17:50:39,863 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-07-28 17:50:39,863 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 17:50:39,864 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 17:50:39,892 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((x == ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) && (\exists ULTIMATE.start___ieee754_sqrtf_~ix~0 : bv32 :: (\result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_sqrtf_~ix~0[31:31], ULTIMATE.start___ieee754_sqrtf_~ix~0[30:23], ULTIMATE.start___ieee754_sqrtf_~ix~0[22:0]), ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_sqrtf_~ix~0[31:31], ULTIMATE.start___ieee754_sqrtf_~ix~0[30:23], ULTIMATE.start___ieee754_sqrtf_~ix~0[22:0])), ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_sqrtf_~ix~0[31:31], ULTIMATE.start___ieee754_sqrtf_~ix~0[30:23], ULTIMATE.start___ieee754_sqrtf_~ix~0[22:0])) && !~bvult32(~bvand32(2147483647bv32, ULTIMATE.start___ieee754_sqrtf_~ix~0), 2139095040bv32)) && ~fp.lt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_sqrtf_~ix~0[31:31], ULTIMATE.start___ieee754_sqrtf_~ix~0[30:23], ULTIMATE.start___ieee754_sqrtf_~ix~0[22:0]), ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())))) && ~fp.lt~FLOAT(x, ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_sqrtf_~ix~0 : bv32 :: x == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_sqrtf_~ix~0[31:31], ULTIMATE.start___ieee754_sqrtf_~ix~0[30:23], ULTIMATE.start___ieee754_sqrtf_~ix~0[22:0]) && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_sqrtf_~ix~0) == hx) [2020-07-28 17:50:39,893 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((x == ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) && 1bv32 == \result) && (\exists ULTIMATE.start___ieee754_sqrtf_~ix~0 : bv32 :: (\result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_sqrtf_~ix~0[31:31], ULTIMATE.start___ieee754_sqrtf_~ix~0[30:23], ULTIMATE.start___ieee754_sqrtf_~ix~0[22:0]), ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_sqrtf_~ix~0[31:31], ULTIMATE.start___ieee754_sqrtf_~ix~0[30:23], ULTIMATE.start___ieee754_sqrtf_~ix~0[22:0])), ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_sqrtf_~ix~0[31:31], ULTIMATE.start___ieee754_sqrtf_~ix~0[30:23], ULTIMATE.start___ieee754_sqrtf_~ix~0[22:0])) && !~bvult32(~bvand32(2147483647bv32, ULTIMATE.start___ieee754_sqrtf_~ix~0), 2139095040bv32)) && ~fp.lt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_sqrtf_~ix~0[31:31], ULTIMATE.start___ieee754_sqrtf_~ix~0[30:23], ULTIMATE.start___ieee754_sqrtf_~ix~0[22:0]), ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())))) && ~fp.lt~FLOAT(x, ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_sqrtf_~ix~0 : bv32 :: x == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_sqrtf_~ix~0[31:31], ULTIMATE.start___ieee754_sqrtf_~ix~0[30:23], ULTIMATE.start___ieee754_sqrtf_~ix~0[22:0]) && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_sqrtf_~ix~0) == hx) [2020-07-28 17:50:39,932 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 17:50:39,932 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 17:50:39,934 INFO L168 Benchmark]: Toolchain (without parser) took 102005.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 957.5 MB in the beginning and 859.9 MB in the end (delta: 97.6 MB). Peak memory consumption was 241.3 MB. Max. memory is 11.5 GB. [2020-07-28 17:50:39,935 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:50:39,935 INFO L168 Benchmark]: CACSL2BoogieTranslator took 476.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -175.7 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2020-07-28 17:50:39,936 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 17:50:39,936 INFO L168 Benchmark]: Boogie Preprocessor took 44.91 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:50:39,937 INFO L168 Benchmark]: RCFGBuilder took 1259.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 37.5 MB). Peak memory consumption was 37.5 MB. Max. memory is 11.5 GB. [2020-07-28 17:50:39,937 INFO L168 Benchmark]: TraceAbstraction took 100049.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 866.5 MB in the end (delta: 222.6 MB). Peak memory consumption was 222.6 MB. Max. memory is 11.5 GB. [2020-07-28 17:50:39,938 INFO L168 Benchmark]: Witness Printer took 86.82 ms. Allocated memory is still 1.2 GB. Free memory was 866.5 MB in the beginning and 859.9 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 17:50:39,941 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 476.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -175.7 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 76.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.91 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1259.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 37.5 MB). Peak memory consumption was 37.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 100049.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 866.5 MB in the end (delta: 222.6 MB). Peak memory consumption was 222.6 MB. Max. memory is 11.5 GB. * Witness Printer took 86.82 ms. Allocated memory is still 1.2 GB. Free memory was 866.5 MB in the beginning and 859.9 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,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[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,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[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,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[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,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[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.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: 98]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 17]: Loop Invariant [2020-07-28 17:50:39,964 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:39,964 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:39,964 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,965 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,965 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,965 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,966 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,966 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,966 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,966 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,967 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,967 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,967 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,968 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,968 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,968 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:39,968 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,969 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,969 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,969 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,970 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:39,971 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:39,971 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:39,971 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,972 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,972 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,972 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,973 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,973 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,973 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,974 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,974 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,974 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,975 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,975 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,975 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,975 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:39,976 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,976 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,976 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,977 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,977 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((x == ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) && (\exists ULTIMATE.start___ieee754_sqrtf_~ix~0 : bv32 :: (\result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_sqrtf_~ix~0[31:31], ULTIMATE.start___ieee754_sqrtf_~ix~0[30:23], ULTIMATE.start___ieee754_sqrtf_~ix~0[22:0]), ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_sqrtf_~ix~0[31:31], ULTIMATE.start___ieee754_sqrtf_~ix~0[30:23], ULTIMATE.start___ieee754_sqrtf_~ix~0[22:0])), ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_sqrtf_~ix~0[31:31], ULTIMATE.start___ieee754_sqrtf_~ix~0[30:23], ULTIMATE.start___ieee754_sqrtf_~ix~0[22:0])) && !~bvult32(~bvand32(2147483647bv32, ULTIMATE.start___ieee754_sqrtf_~ix~0), 2139095040bv32)) && ~fp.lt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_sqrtf_~ix~0[31:31], ULTIMATE.start___ieee754_sqrtf_~ix~0[30:23], ULTIMATE.start___ieee754_sqrtf_~ix~0[22:0]), ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())))) && ~fp.lt~FLOAT(x, ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_sqrtf_~ix~0 : bv32 :: x == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_sqrtf_~ix~0[31:31], ULTIMATE.start___ieee754_sqrtf_~ix~0[30:23], ULTIMATE.start___ieee754_sqrtf_~ix~0[22:0]) && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_sqrtf_~ix~0) == hx) - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13]: Loop Invariant [2020-07-28 17:50:39,978 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:39,979 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:39,979 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,979 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,980 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,980 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,980 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,981 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,981 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,981 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,982 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,982 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,982 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,982 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,983 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,983 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:39,983 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,984 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,984 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,984 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,985 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:39,985 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:39,986 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:39,986 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,986 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,986 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,987 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,987 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,987 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,988 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,988 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,988 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,989 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,989 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,989 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,989 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,990 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:39,990 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,990 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,991 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,991 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_sqrtf_~ix~0,QUANTIFIED] [2020-07-28 17:50:39,991 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((x == ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) && 1bv32 == \result) && (\exists ULTIMATE.start___ieee754_sqrtf_~ix~0 : bv32 :: (\result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_sqrtf_~ix~0[31:31], ULTIMATE.start___ieee754_sqrtf_~ix~0[30:23], ULTIMATE.start___ieee754_sqrtf_~ix~0[22:0]), ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_sqrtf_~ix~0[31:31], ULTIMATE.start___ieee754_sqrtf_~ix~0[30:23], ULTIMATE.start___ieee754_sqrtf_~ix~0[22:0])), ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_sqrtf_~ix~0[31:31], ULTIMATE.start___ieee754_sqrtf_~ix~0[30:23], ULTIMATE.start___ieee754_sqrtf_~ix~0[22:0])) && !~bvult32(~bvand32(2147483647bv32, ULTIMATE.start___ieee754_sqrtf_~ix~0), 2139095040bv32)) && ~fp.lt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_sqrtf_~ix~0[31:31], ULTIMATE.start___ieee754_sqrtf_~ix~0[30:23], ULTIMATE.start___ieee754_sqrtf_~ix~0[22:0]), ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())))) && ~fp.lt~FLOAT(x, ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_sqrtf_~ix~0 : bv32 :: x == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_sqrtf_~ix~0[31:31], ULTIMATE.start___ieee754_sqrtf_~ix~0[30:23], ULTIMATE.start___ieee754_sqrtf_~ix~0[22:0]) && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_sqrtf_~ix~0) == hx) - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant [2020-07-28 17:50:39,993 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:39,993 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:39,993 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:39,993 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ~fp.lt~FLOAT(x, ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 35 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 89.1s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 52.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 50 SDtfs, 27 SDslu, 16 SDs, 0 SdLazy, 37 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 70.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 11 NumberOfFragments, 171 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 10.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 35.2s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 38 ConstructedInterpolants, 3 QuantifiedInterpolants, 2552 SizeOfPredicates, 13 NumberOfNonLiveVariables, 58 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...