./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0834.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_0834.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 1ba8be438fdf209735f867af41e44939ec8afdc4 .............................................................................................................................................................................................................................................................................................................................................................................................................................. 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_0834.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 1ba8be438fdf209735f867af41e44939ec8afdc4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:49:56,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 17:49:56,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 17:49:56,997 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 17:49:56,998 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 17:49:56,999 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 17:49:57,001 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 17:49:57,003 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 17:49:57,005 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 17:49:57,006 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 17:49:57,007 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 17:49:57,009 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 17:49:57,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 17:49:57,010 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 17:49:57,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 17:49:57,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 17:49:57,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 17:49:57,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 17:49:57,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 17:49:57,019 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 17:49:57,021 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 17:49:57,022 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 17:49:57,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 17:49:57,025 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 17:49:57,028 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 17:49:57,028 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 17:49:57,028 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 17:49:57,030 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 17:49:57,030 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 17:49:57,031 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 17:49:57,032 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:49:57,033 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:49:57,037 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:49:57,038 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:49:57,044 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:49:57,045 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:49:57,046 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:49:57,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:49:57,048 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:49:57,049 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:49:57,051 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:49:57,052 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 17:49:57,081 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:49:57,082 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:49:57,086 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:49:57,087 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:49:57,087 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:49:57,088 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:49:57,088 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:49:57,088 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 17:49:57,089 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:49:57,089 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:49:57,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:49:57,091 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:49:57,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:49:57,092 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:49:57,092 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:49:57,092 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:49:57,092 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:49:57,093 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:49:57,093 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:49:57,093 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:49:57,094 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:49:57,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:49:57,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:49:57,095 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:49:57,095 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:49:57,095 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 17:49:57,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 17:49:57,096 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:49:57,096 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:49:57,096 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 -> 1ba8be438fdf209735f867af41e44939ec8afdc4 [2020-07-28 17:49:57,457 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:49:57,475 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:49:57,480 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:49:57,482 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:49:57,484 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:49:57,485 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0834.c [2020-07-28 17:49:57,565 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17046e79b/28f276e01fc046be9f27463566782e75/FLAG878b8c594 [2020-07-28 17:49:58,060 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:49:58,061 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0834.c [2020-07-28 17:49:58,070 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17046e79b/28f276e01fc046be9f27463566782e75/FLAG878b8c594 [2020-07-28 17:49:58,427 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17046e79b/28f276e01fc046be9f27463566782e75 [2020-07-28 17:49:58,431 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:49:58,435 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:49:58,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:49:58,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:49:58,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:49:58,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:49:58" (1/1) ... [2020-07-28 17:49:58,445 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2000f851 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:49:58, skipping insertion in model container [2020-07-28 17:49:58,446 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:49:58" (1/1) ... [2020-07-28 17:49:58,454 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:49:58,490 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:49:58,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:49:58,724 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 17:49:58,833 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:49:58,860 INFO L208 MainTranslator]: Completed translation [2020-07-28 17:49:58,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:49:58 WrapperNode [2020-07-28 17:49:58,861 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 17:49:58,862 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 17:49:58,862 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 17:49:58,863 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 17:49:58,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:49:58" (1/1) ... [2020-07-28 17:49:58,884 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:49:58" (1/1) ... [2020-07-28 17:49:58,934 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 17:49:58,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 17:49:58,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 17:49:58,935 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 17:49:58,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:49:58" (1/1) ... [2020-07-28 17:49:58,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:49:58" (1/1) ... [2020-07-28 17:49:58,950 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:49:58" (1/1) ... [2020-07-28 17:49:58,950 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:49:58" (1/1) ... [2020-07-28 17:49:58,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:49:58" (1/1) ... [2020-07-28 17:49:58,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:49:58" (1/1) ... [2020-07-28 17:49:58,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:49:58" (1/1) ... [2020-07-28 17:49:58,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 17:49:58,991 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 17:49:58,991 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 17:49:58,991 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 17:49:58,992 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:49:58" (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 17:49:59,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 17:49:59,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-28 17:49:59,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-28 17:49:59,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-28 17:49:59,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 17:49:59,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 17:49:59,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-28 17:49:59,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-07-28 17:49:59,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 17:49:59,705 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 17:49:59,705 INFO L295 CfgBuilder]: Removed 20 assume(true) statements. [2020-07-28 17:49:59,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:49:59 BoogieIcfgContainer [2020-07-28 17:49:59,710 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 17:49:59,712 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 17:49:59,713 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 17:49:59,716 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 17:49:59,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 05:49:58" (1/3) ... [2020-07-28 17:49:59,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68770088 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:49:59, skipping insertion in model container [2020-07-28 17:49:59,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:49:58" (2/3) ... [2020-07-28 17:49:59,718 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68770088 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:49:59, skipping insertion in model container [2020-07-28 17:49:59,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:49:59" (3/3) ... [2020-07-28 17:49:59,721 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0834.c [2020-07-28 17:49:59,732 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 17:49:59,741 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 17:49:59,755 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 17:49:59,776 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 17:49:59,776 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 17:49:59,776 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 17:49:59,776 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 17:49:59,777 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 17:49:59,777 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 17:49:59,777 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 17:49:59,777 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 17:49:59,793 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2020-07-28 17:49:59,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-28 17:49:59,798 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:49:59,799 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:49:59,800 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:49:59,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:49:59,805 INFO L82 PathProgramCache]: Analyzing trace with hash 619608955, now seen corresponding path program 1 times [2020-07-28 17:49:59,815 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 17:49:59,816 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121572585] [2020-07-28 17:49:59,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 17:49:59,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:50:00,000 INFO L280 TraceCheckUtils]: 0: Hoare triple {43#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~one_exp~0 := 1.0;call ~#halF_exp~0.base, ~#halF_exp~0.offset := #Ultimate.allocOnStack(8);call write~init~real(0.5, ~#halF_exp~0.base, ~#halF_exp~0.offset, 4);call write~init~real(~someUnaryDOUBLEoperation(0.5), ~#halF_exp~0.base, 4 + ~#halF_exp~0.offset, 4);~huge_exp~0 := 1.0E30;~twom100_exp~0 := 7.8886090522E-31;call ~#ln2HI_exp~0.base, ~#ln2HI_exp~0.offset := #Ultimate.allocOnStack(8);call write~init~real(0.69313812256, ~#ln2HI_exp~0.base, ~#ln2HI_exp~0.offset, 4);call write~init~real(~someUnaryDOUBLEoperation(0.69313812256), ~#ln2HI_exp~0.base, 4 + ~#ln2HI_exp~0.offset, 4);call ~#ln2LO_exp~0.base, ~#ln2LO_exp~0.offset := #Ultimate.allocOnStack(8);call write~init~real(9.0580006145E-6, ~#ln2LO_exp~0.base, ~#ln2LO_exp~0.offset, 4);call write~init~real(~someUnaryDOUBLEoperation(9.0580006145E-6), ~#ln2LO_exp~0.base, 4 + ~#ln2LO_exp~0.offset, 4);~invln2_exp~0 := 1.4426950216;~P1_exp~0 := 0.16666667163;~P2_exp~0 := ~someUnaryDOUBLEoperation(0.002777777845);~P3_exp~0 := 6.613755977E-5;~P4_exp~0 := ~someUnaryDOUBLEoperation(1.6533901999E-6);~P5_exp~0 := 4.1381369442E-8; {43#true} is VALID [2020-07-28 17:50:00,001 INFO L280 TraceCheckUtils]: 1: Hoare triple {43#true} havoc main_#res;havoc main_#t~ret18, main_#t~ret19, main_~x~0, main_~res~0;main_~x~0 := ~someBinaryArithmeticFLOAToperation(1.0, 0.0);__ieee754_expf_#in~x := main_~x~0;havoc __ieee754_expf_#res;havoc __ieee754_expf_#t~mem0, __ieee754_expf_#t~union1, __ieee754_expf_~#gf_u~0.base, __ieee754_expf_~#gf_u~0.offset, __ieee754_expf_#t~ite2, __ieee754_expf_#t~mem3, __ieee754_expf_#t~mem4, __ieee754_expf_#t~mem5, __ieee754_expf_#t~mem6, __ieee754_expf_#t~mem7, __ieee754_expf_#t~mem8, __ieee754_expf_#t~union9, __ieee754_expf_~#gf_u~1.base, __ieee754_expf_~#gf_u~1.offset, __ieee754_expf_#t~mem10, __ieee754_expf_#t~union11, __ieee754_expf_~#sf_u~0.base, __ieee754_expf_~#sf_u~0.offset, __ieee754_expf_~hy~0, __ieee754_expf_#t~mem12, __ieee754_expf_#t~union13, __ieee754_expf_~#gf_u~2.base, __ieee754_expf_~#gf_u~2.offset, __ieee754_expf_#t~mem14, __ieee754_expf_#t~union15, __ieee754_expf_~#sf_u~1.base, __ieee754_expf_~#sf_u~1.offset, __ieee754_expf_~hy~1, __ieee754_expf_~x, __ieee754_expf_~y~0, __ieee754_expf_~hi~0, __ieee754_expf_~lo~0, __ieee754_expf_~c~0, __ieee754_expf_~t~0, __ieee754_expf_~k~0, __ieee754_expf_~xsb~0, __ieee754_expf_~sx~0, __ieee754_expf_~hx~0;__ieee754_expf_~x := __ieee754_expf_#in~x;havoc __ieee754_expf_~y~0;havoc __ieee754_expf_~hi~0;havoc __ieee754_expf_~lo~0;havoc __ieee754_expf_~c~0;havoc __ieee754_expf_~t~0;__ieee754_expf_~k~0 := 0;havoc __ieee754_expf_~xsb~0;havoc __ieee754_expf_~sx~0;havoc __ieee754_expf_~hx~0; {43#true} is VALID [2020-07-28 17:50:00,006 INFO L280 TraceCheckUtils]: 2: Hoare triple {43#true} assume !true; {44#false} is VALID [2020-07-28 17:50:00,006 INFO L280 TraceCheckUtils]: 3: Hoare triple {44#false} __ieee754_expf_~xsb~0 := ~bitwiseAnd(__ieee754_expf_~sx~0 / 2147483648, 1);__ieee754_expf_~hx~0 := ~bitwiseAnd(__ieee754_expf_~sx~0, 2147483647); {44#false} is VALID [2020-07-28 17:50:00,007 INFO L280 TraceCheckUtils]: 4: Hoare triple {44#false} assume __ieee754_expf_~hx~0 % 4294967296 > 2139095040;__ieee754_expf_#res := ~someBinaryArithmeticFLOAToperation(__ieee754_expf_~x, __ieee754_expf_~x); {44#false} is VALID [2020-07-28 17:50:00,007 INFO L280 TraceCheckUtils]: 5: Hoare triple {44#false} main_#t~ret18 := __ieee754_expf_#res;main_~res~0 := main_#t~ret18;havoc main_#t~ret18;isinf_float_#in~x := main_~res~0;havoc isinf_float_#res;havoc isinf_float_#t~mem16, isinf_float_#t~union17, isinf_float_~#gf_u~3.base, isinf_float_~#gf_u~3.offset, isinf_float_~x, isinf_float_~ix~0;isinf_float_~x := isinf_float_#in~x;havoc isinf_float_~ix~0; {44#false} is VALID [2020-07-28 17:50:00,008 INFO L280 TraceCheckUtils]: 6: Hoare triple {44#false} assume !true; {44#false} is VALID [2020-07-28 17:50:00,008 INFO L280 TraceCheckUtils]: 7: Hoare triple {44#false} isinf_float_~ix~0 := ~bitwiseAnd(isinf_float_~ix~0, 2147483647);isinf_float_#res := (if 2139095040 == isinf_float_~ix~0 then 1 else 0); {44#false} is VALID [2020-07-28 17:50:00,008 INFO L280 TraceCheckUtils]: 8: Hoare triple {44#false} main_#t~ret19 := isinf_float_#res;assume -2147483648 <= main_#t~ret19 && main_#t~ret19 <= 2147483647; {44#false} is VALID [2020-07-28 17:50:00,009 INFO L280 TraceCheckUtils]: 9: Hoare triple {44#false} assume 0 == main_#t~ret19;havoc main_#t~ret19; {44#false} is VALID [2020-07-28 17:50:00,009 INFO L280 TraceCheckUtils]: 10: Hoare triple {44#false} assume !false; {44#false} is VALID [2020-07-28 17:50:00,012 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 17:50:00,013 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121572585] [2020-07-28 17:50:00,014 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:50:00,014 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 17:50:00,015 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69314662] [2020-07-28 17:50:00,022 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-07-28 17:50:00,024 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:50:00,028 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 17:50:00,052 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:50:00,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 17:50:00,053 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 17:50:00,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 17:50:00,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:50:00,066 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 2 states. [2020-07-28 17:50:00,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:50:00,165 INFO L93 Difference]: Finished difference Result 78 states and 124 transitions. [2020-07-28 17:50:00,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 17:50:00,165 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-07-28 17:50:00,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:50:00,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:50:00,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 124 transitions. [2020-07-28 17:50:00,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:50:00,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 124 transitions. [2020-07-28 17:50:00,183 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 124 transitions. [2020-07-28 17:50:00,385 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 124 edges. 124 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:50:00,399 INFO L225 Difference]: With dead ends: 78 [2020-07-28 17:50:00,400 INFO L226 Difference]: Without dead ends: 37 [2020-07-28 17:50:00,404 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 17:50:00,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-07-28 17:50:00,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-07-28 17:50:00,445 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:50:00,446 INFO L82 GeneralOperation]: Start isEquivalent. First operand 37 states. Second operand 37 states. [2020-07-28 17:50:00,446 INFO L74 IsIncluded]: Start isIncluded. First operand 37 states. Second operand 37 states. [2020-07-28 17:50:00,447 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 37 states. [2020-07-28 17:50:00,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:50:00,451 INFO L93 Difference]: Finished difference Result 37 states and 47 transitions. [2020-07-28 17:50:00,452 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2020-07-28 17:50:00,452 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:50:00,453 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:50:00,453 INFO L74 IsIncluded]: Start isIncluded. First operand 37 states. Second operand 37 states. [2020-07-28 17:50:00,453 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 37 states. [2020-07-28 17:50:00,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:50:00,457 INFO L93 Difference]: Finished difference Result 37 states and 47 transitions. [2020-07-28 17:50:00,457 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2020-07-28 17:50:00,458 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:50:00,458 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:50:00,459 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:50:00,459 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:50:00,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-07-28 17:50:00,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2020-07-28 17:50:00,464 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 47 transitions. Word has length 11 [2020-07-28 17:50:00,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:50:00,464 INFO L479 AbstractCegarLoop]: Abstraction has 37 states and 47 transitions. [2020-07-28 17:50:00,465 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 17:50:00,465 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2020-07-28 17:50:00,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-28 17:50:00,466 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:50:00,466 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:50:00,466 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 17:50:00,467 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:50:00,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:50:00,467 INFO L82 PathProgramCache]: Analyzing trace with hash -434363397, now seen corresponding path program 1 times [2020-07-28 17:50:00,468 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 17:50:00,468 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82017052] [2020-07-28 17:50:00,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 17:50:00,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 17:50:00,568 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 17:50:00,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 17:50:00,694 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 17:50:00,758 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 17:50:00,761 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 17:50:00,763 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 17:50:00,845 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 17:50:00,845 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 17:50:00,846 WARN L170 areAnnotationChecker]: L41-2 has no Hoare annotation [2020-07-28 17:50:00,846 WARN L170 areAnnotationChecker]: L41-2 has no Hoare annotation [2020-07-28 17:50:00,846 WARN L170 areAnnotationChecker]: L41-1 has no Hoare annotation [2020-07-28 17:50:00,846 WARN L170 areAnnotationChecker]: L41-1 has no Hoare annotation [2020-07-28 17:50:00,847 WARN L170 areAnnotationChecker]: L41-3 has no Hoare annotation [2020-07-28 17:50:00,847 WARN L170 areAnnotationChecker]: L49 has no Hoare annotation [2020-07-28 17:50:00,847 WARN L170 areAnnotationChecker]: L49 has no Hoare annotation [2020-07-28 17:50:00,847 WARN L170 areAnnotationChecker]: L107 has no Hoare annotation [2020-07-28 17:50:00,848 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-28 17:50:00,848 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-28 17:50:00,848 WARN L170 areAnnotationChecker]: L114-2 has no Hoare annotation [2020-07-28 17:50:00,848 WARN L170 areAnnotationChecker]: L114-2 has no Hoare annotation [2020-07-28 17:50:00,849 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2020-07-28 17:50:00,849 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2020-07-28 17:50:00,849 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-28 17:50:00,849 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-28 17:50:00,850 WARN L170 areAnnotationChecker]: L114-1 has no Hoare annotation [2020-07-28 17:50:00,850 WARN L170 areAnnotationChecker]: L114-1 has no Hoare annotation [2020-07-28 17:50:00,850 WARN L170 areAnnotationChecker]: L114-3 has no Hoare annotation [2020-07-28 17:50:00,850 WARN L170 areAnnotationChecker]: L52-2 has no Hoare annotation [2020-07-28 17:50:00,851 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-28 17:50:00,851 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-28 17:50:00,851 WARN L170 areAnnotationChecker]: L120 has no Hoare annotation [2020-07-28 17:50:00,851 WARN L170 areAnnotationChecker]: L58 has no Hoare annotation [2020-07-28 17:50:00,852 WARN L170 areAnnotationChecker]: L58 has no Hoare annotation [2020-07-28 17:50:00,852 WARN L170 areAnnotationChecker]: L134 has no Hoare annotation [2020-07-28 17:50:00,852 WARN L170 areAnnotationChecker]: L134 has no Hoare annotation [2020-07-28 17:50:00,852 WARN L170 areAnnotationChecker]: L59 has no Hoare annotation [2020-07-28 17:50:00,852 WARN L170 areAnnotationChecker]: L59 has no Hoare annotation [2020-07-28 17:50:00,853 WARN L170 areAnnotationChecker]: L70 has no Hoare annotation [2020-07-28 17:50:00,853 WARN L170 areAnnotationChecker]: L70 has no Hoare annotation [2020-07-28 17:50:00,853 WARN L170 areAnnotationChecker]: L135 has no Hoare annotation [2020-07-28 17:50:00,854 WARN L170 areAnnotationChecker]: L135 has no Hoare annotation [2020-07-28 17:50:00,854 WARN L170 areAnnotationChecker]: L139 has no Hoare annotation [2020-07-28 17:50:00,854 WARN L170 areAnnotationChecker]: L59-2 has no Hoare annotation [2020-07-28 17:50:00,854 WARN L170 areAnnotationChecker]: L71 has no Hoare annotation [2020-07-28 17:50:00,855 WARN L170 areAnnotationChecker]: L71 has no Hoare annotation [2020-07-28 17:50:00,855 WARN L170 areAnnotationChecker]: L70-2 has no Hoare annotation [2020-07-28 17:50:00,855 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:50:00,855 WARN L170 areAnnotationChecker]: L78 has no Hoare annotation [2020-07-28 17:50:00,855 WARN L170 areAnnotationChecker]: L78 has no Hoare annotation [2020-07-28 17:50:00,856 WARN L170 areAnnotationChecker]: L82 has no Hoare annotation [2020-07-28 17:50:00,856 WARN L170 areAnnotationChecker]: L82 has no Hoare annotation [2020-07-28 17:50:00,856 WARN L170 areAnnotationChecker]: L84-2 has no Hoare annotation [2020-07-28 17:50:00,856 WARN L170 areAnnotationChecker]: L84-2 has no Hoare annotation [2020-07-28 17:50:00,857 WARN L170 areAnnotationChecker]: L97-2 has no Hoare annotation [2020-07-28 17:50:00,857 WARN L170 areAnnotationChecker]: L97-2 has no Hoare annotation [2020-07-28 17:50:00,857 WARN L170 areAnnotationChecker]: L84-1 has no Hoare annotation [2020-07-28 17:50:00,857 WARN L170 areAnnotationChecker]: L84-1 has no Hoare annotation [2020-07-28 17:50:00,858 WARN L170 areAnnotationChecker]: L89-1 has no Hoare annotation [2020-07-28 17:50:00,858 WARN L170 areAnnotationChecker]: L89-1 has no Hoare annotation [2020-07-28 17:50:00,858 WARN L170 areAnnotationChecker]: L97-1 has no Hoare annotation [2020-07-28 17:50:00,858 WARN L170 areAnnotationChecker]: L97-1 has no Hoare annotation [2020-07-28 17:50:00,858 WARN L170 areAnnotationChecker]: L102-1 has no Hoare annotation [2020-07-28 17:50:00,859 WARN L170 areAnnotationChecker]: L102-1 has no Hoare annotation [2020-07-28 17:50:00,859 WARN L170 areAnnotationChecker]: L89 has no Hoare annotation [2020-07-28 17:50:00,859 WARN L170 areAnnotationChecker]: L89 has no Hoare annotation [2020-07-28 17:50:00,859 WARN L170 areAnnotationChecker]: L89-2 has no Hoare annotation [2020-07-28 17:50:00,860 WARN L170 areAnnotationChecker]: L102 has no Hoare annotation [2020-07-28 17:50:00,860 WARN L170 areAnnotationChecker]: L102 has no Hoare annotation [2020-07-28 17:50:00,860 WARN L170 areAnnotationChecker]: L102-2 has no Hoare annotation [2020-07-28 17:50:00,860 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 17:50:00,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 05:50:00 BoogieIcfgContainer [2020-07-28 17:50:00,864 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 17:50:00,864 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 17:50:00,864 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 17:50:00,865 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 17:50:00,866 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:49:59" (3/4) ... [2020-07-28 17:50:00,870 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-28 17:50:00,870 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 17:50:00,873 INFO L168 Benchmark]: Toolchain (without parser) took 2440.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 961.6 MB in the beginning and 980.5 MB in the end (delta: -18.9 MB). Peak memory consumption was 102.2 MB. Max. memory is 11.5 GB. [2020-07-28 17:50:00,874 INFO L168 Benchmark]: CDTParser took 1.00 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 17:50:00,875 INFO L168 Benchmark]: CACSL2BoogieTranslator took 425.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -148.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. [2020-07-28 17:50:00,876 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.93 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 17:50:00,877 INFO L168 Benchmark]: Boogie Preprocessor took 55.84 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2020-07-28 17:50:00,878 INFO L168 Benchmark]: RCFGBuilder took 720.06 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: 47.5 MB). Peak memory consumption was 47.5 MB. Max. memory is 11.5 GB. [2020-07-28 17:50:00,878 INFO L168 Benchmark]: TraceAbstraction took 1151.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 987.3 MB in the end (delta: 68.6 MB). Peak memory consumption was 68.6 MB. Max. memory is 11.5 GB. [2020-07-28 17:50:00,879 INFO L168 Benchmark]: Witness Printer took 5.95 ms. Allocated memory is still 1.2 GB. Free memory was 987.3 MB in the beginning and 980.5 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2020-07-28 17:50:00,884 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 1.00 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 425.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -148.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.84 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 720.06 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: 47.5 MB). Peak memory consumption was 47.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1151.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 987.3 MB in the end (delta: 68.6 MB). Peak memory consumption was 68.6 MB. Max. memory is 11.5 GB. * Witness Printer took 5.95 ms. Allocated memory is still 1.2 GB. Free memory was 987.3 MB in the beginning and 980.5 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 135]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 19, overapproximation of someBinaryArithmeticFLOAToperation at line 50, overapproximation of bitwiseAnd at line 119. Possible FailurePath: [L15-L34] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={5:0}, ln2LO_exp={3:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L130] float x = 1.0f / 0.0f; [L37] float y, hi, lo, c, t; [L38] __int32_t k = 0, xsb, sx; [L39] __uint32_t hx; VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={5:0}, ln2LO_exp={3:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L42] ieee_float_shape_type gf_u; [L43] gf_u.value = (x) [L44] EXPR gf_u.word [L44] (sx) = gf_u.word [L46] xsb = (sx >> 31) & 1 [L47] hx = sx & 0x7fffffff VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={5:0}, ln2LO_exp={3:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L49] COND TRUE ((hx) > 0x7f800000L) [L50] return x + x; VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={5:0}, ln2LO_exp={3:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L131] float res = __ieee754_expf(x); [L113] __int32_t ix; VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={5:0}, ln2LO_exp={3:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L115] ieee_float_shape_type gf_u; [L116] gf_u.value = (x) [L117] EXPR gf_u.word [L117] (ix) = gf_u.word [L119] ix &= 0x7fffffff [L120] return ((ix) == 0x7f800000L); VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={5:0}, ln2LO_exp={3:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L134] COND TRUE !isinf_float(res) [L135] __VERIFIER_error() VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={5:0}, ln2LO_exp={3:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 50 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 17:50:02,866 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 17:50:02,868 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 17:50:02,880 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 17:50:02,880 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 17:50:02,882 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 17:50:02,883 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 17:50:02,885 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 17:50:02,887 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 17:50:02,888 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 17:50:02,889 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 17:50:02,890 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 17:50:02,891 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 17:50:02,892 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 17:50:02,893 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 17:50:02,894 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 17:50:02,895 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 17:50:02,896 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 17:50:02,898 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 17:50:02,900 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 17:50:02,902 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 17:50:02,903 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 17:50:02,904 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 17:50:02,905 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 17:50:02,909 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 17:50:02,909 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 17:50:02,909 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 17:50:02,911 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 17:50:02,911 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 17:50:02,912 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 17:50:02,913 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:50:02,914 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:50:02,915 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:50:02,916 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:50:02,917 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:50:02,917 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:50:02,918 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:50:02,918 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:50:02,919 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:50:02,920 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:50:02,921 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:50:02,922 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-07-28 17:50:02,938 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:50:02,938 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:50:02,940 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:50:02,940 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:50:02,940 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:50:02,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:50:02,941 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:50:02,941 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:50:02,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:50:02,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:50:02,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:50:02,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:50:02,942 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-07-28 17:50:02,942 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-07-28 17:50:02,942 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:50:02,943 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:50:02,943 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:50:02,943 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:50:02,943 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:50:02,943 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:50:02,944 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:50:02,944 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:50:02,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:50:02,944 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:50:02,945 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:50:02,945 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:50:02,945 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-07-28 17:50:02,945 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-07-28 17:50:02,946 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:50:02,946 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:50:02,946 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-28 17:50:02,946 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 -> 1ba8be438fdf209735f867af41e44939ec8afdc4 [2020-07-28 17:50:03,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:50:03,261 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:50:03,265 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:50:03,266 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:50:03,267 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:50:03,268 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0834.c [2020-07-28 17:50:03,337 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3818916e/97c27015e90f41398f3fb7135d1f1aab/FLAG8e5b625f7 [2020-07-28 17:50:03,821 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:50:03,821 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0834.c [2020-07-28 17:50:03,830 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3818916e/97c27015e90f41398f3fb7135d1f1aab/FLAG8e5b625f7 [2020-07-28 17:50:04,201 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3818916e/97c27015e90f41398f3fb7135d1f1aab [2020-07-28 17:50:04,205 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:50:04,209 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:50:04,212 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:50:04,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:50:04,216 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:50:04,217 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:50:04" (1/1) ... [2020-07-28 17:50:04,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a898086 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:50:04, skipping insertion in model container [2020-07-28 17:50:04,221 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:50:04" (1/1) ... [2020-07-28 17:50:04,229 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:50:04,260 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:50:04,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:50:04,617 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 17:50:04,706 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:50:04,746 INFO L208 MainTranslator]: Completed translation [2020-07-28 17:50:04,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:50:04 WrapperNode [2020-07-28 17:50:04,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 17:50:04,747 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 17:50:04,747 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 17:50:04,748 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 17:50:04,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:50:04" (1/1) ... [2020-07-28 17:50:04,774 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:50:04" (1/1) ... [2020-07-28 17:50:04,821 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 17:50:04,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 17:50:04,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 17:50:04,822 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 17:50:04,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:50:04" (1/1) ... [2020-07-28 17:50:04,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:50:04" (1/1) ... [2020-07-28 17:50:04,839 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:50:04" (1/1) ... [2020-07-28 17:50:04,839 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:50:04" (1/1) ... [2020-07-28 17:50:04,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:50:04" (1/1) ... [2020-07-28 17:50:04,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:50:04" (1/1) ... [2020-07-28 17:50:04,866 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:50:04" (1/1) ... [2020-07-28 17:50:04,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 17:50:04,871 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 17:50:04,872 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 17:50:04,872 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 17:50:04,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:50:04" (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 17:50:04,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2020-07-28 17:50:04,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 17:50:04,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-07-28 17:50:04,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-07-28 17:50:04,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 17:50:04,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 17:50:04,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-07-28 17:50:04,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-07-28 17:50:04,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 17:50:14,580 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 17:50:14,581 INFO L295 CfgBuilder]: Removed 20 assume(true) statements. [2020-07-28 17:50:14,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:50:14 BoogieIcfgContainer [2020-07-28 17:50:14,585 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 17:50:14,587 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 17:50:14,587 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 17:50:14,590 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 17:50:14,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 05:50:04" (1/3) ... [2020-07-28 17:50:14,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12c14f20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:50:14, skipping insertion in model container [2020-07-28 17:50:14,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:50:04" (2/3) ... [2020-07-28 17:50:14,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12c14f20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:50:14, skipping insertion in model container [2020-07-28 17:50:14,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:50:14" (3/3) ... [2020-07-28 17:50:14,594 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0834.c [2020-07-28 17:50:14,602 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 17:50:14,609 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 17:50:14,620 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 17:50:14,641 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 17:50:14,642 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 17:50:14,642 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 17:50:14,642 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 17:50:14,642 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 17:50:14,642 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 17:50:14,643 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 17:50:14,643 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 17:50:14,657 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2020-07-28 17:50:14,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-28 17:50:14,663 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:50:14,664 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:50:14,665 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:50:14,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:50:14,670 INFO L82 PathProgramCache]: Analyzing trace with hash 619608955, now seen corresponding path program 1 times [2020-07-28 17:50:14,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:50:14,683 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [388432039] [2020-07-28 17:50:14,683 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 17:50:15,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:50:15,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-28 17:50:15,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:50:15,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:50:15,231 INFO L280 TraceCheckUtils]: 0: Hoare triple {43#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~one_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));call ~#halF_exp~0.base, ~#halF_exp~0.offset := #Ultimate.allocOnStack(8bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.5)), ~#halF_exp~0.base, ~#halF_exp~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.5))), ~#halF_exp~0.base, ~bvadd32(4bv32, ~#halF_exp~0.offset), 4bv32);~huge_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));~twom100_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.8886090522E-31));call ~#ln2HI_exp~0.base, ~#ln2HI_exp~0.offset := #Ultimate.allocOnStack(8bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.69313812256)), ~#ln2HI_exp~0.base, ~#ln2HI_exp~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.69313812256))), ~#ln2HI_exp~0.base, ~bvadd32(4bv32, ~#ln2HI_exp~0.offset), 4bv32);call ~#ln2LO_exp~0.base, ~#ln2LO_exp~0.offset := #Ultimate.allocOnStack(8bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 9.0580006145E-6)), ~#ln2LO_exp~0.base, ~#ln2LO_exp~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 9.0580006145E-6))), ~#ln2LO_exp~0.base, ~bvadd32(4bv32, ~#ln2LO_exp~0.offset), 4bv32);~invln2_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.4426950216));~P1_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.16666667163));~P2_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.002777777845)));~P3_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 6.613755977E-5));~P4_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 1.6533901999E-6)));~P5_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 4.1381369442E-8)); {43#true} is VALID [2020-07-28 17:50:15,232 INFO L280 TraceCheckUtils]: 1: Hoare triple {43#true} havoc main_#res;havoc main_#t~ret18, main_#t~ret19, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());__ieee754_expf_#in~x := main_~x~0;havoc __ieee754_expf_#res;havoc __ieee754_expf_#t~mem0, __ieee754_expf_#t~union1, __ieee754_expf_~#gf_u~0.base, __ieee754_expf_~#gf_u~0.offset, __ieee754_expf_#t~ite2, __ieee754_expf_#t~mem3, __ieee754_expf_#t~mem4, __ieee754_expf_#t~mem5, __ieee754_expf_#t~mem6, __ieee754_expf_#t~mem7, __ieee754_expf_#t~mem8, __ieee754_expf_#t~union9, __ieee754_expf_~#gf_u~1.base, __ieee754_expf_~#gf_u~1.offset, __ieee754_expf_#t~mem10, __ieee754_expf_#t~union11, __ieee754_expf_~#sf_u~0.base, __ieee754_expf_~#sf_u~0.offset, __ieee754_expf_~hy~0, __ieee754_expf_#t~mem12, __ieee754_expf_#t~union13, __ieee754_expf_~#gf_u~2.base, __ieee754_expf_~#gf_u~2.offset, __ieee754_expf_#t~mem14, __ieee754_expf_#t~union15, __ieee754_expf_~#sf_u~1.base, __ieee754_expf_~#sf_u~1.offset, __ieee754_expf_~hy~1, __ieee754_expf_~x, __ieee754_expf_~y~0, __ieee754_expf_~hi~0, __ieee754_expf_~lo~0, __ieee754_expf_~c~0, __ieee754_expf_~t~0, __ieee754_expf_~k~0, __ieee754_expf_~xsb~0, __ieee754_expf_~sx~0, __ieee754_expf_~hx~0;__ieee754_expf_~x := __ieee754_expf_#in~x;havoc __ieee754_expf_~y~0;havoc __ieee754_expf_~hi~0;havoc __ieee754_expf_~lo~0;havoc __ieee754_expf_~c~0;havoc __ieee754_expf_~t~0;__ieee754_expf_~k~0 := 0bv32;havoc __ieee754_expf_~xsb~0;havoc __ieee754_expf_~sx~0;havoc __ieee754_expf_~hx~0; {43#true} is VALID [2020-07-28 17:50:15,234 INFO L280 TraceCheckUtils]: 2: Hoare triple {43#true} assume !true; {44#false} is VALID [2020-07-28 17:50:15,234 INFO L280 TraceCheckUtils]: 3: Hoare triple {44#false} __ieee754_expf_~xsb~0 := ~bvand32(1bv32, ~bvashr32(__ieee754_expf_~sx~0, 31bv32));__ieee754_expf_~hx~0 := ~bvand32(2147483647bv32, __ieee754_expf_~sx~0); {44#false} is VALID [2020-07-28 17:50:15,235 INFO L280 TraceCheckUtils]: 4: Hoare triple {44#false} assume ~bvugt32(__ieee754_expf_~hx~0, 2139095040bv32);__ieee754_expf_#res := ~fp.add~FLOAT(currentRoundingMode, __ieee754_expf_~x, __ieee754_expf_~x); {44#false} is VALID [2020-07-28 17:50:15,235 INFO L280 TraceCheckUtils]: 5: Hoare triple {44#false} main_#t~ret18 := __ieee754_expf_#res;main_~res~0 := main_#t~ret18;havoc main_#t~ret18;isinf_float_#in~x := main_~res~0;havoc isinf_float_#res;havoc isinf_float_#t~mem16, isinf_float_#t~union17, isinf_float_~#gf_u~3.base, isinf_float_~#gf_u~3.offset, isinf_float_~x, isinf_float_~ix~0;isinf_float_~x := isinf_float_#in~x;havoc isinf_float_~ix~0; {44#false} is VALID [2020-07-28 17:50:15,236 INFO L280 TraceCheckUtils]: 6: Hoare triple {44#false} assume !true; {44#false} is VALID [2020-07-28 17:50:15,236 INFO L280 TraceCheckUtils]: 7: Hoare triple {44#false} isinf_float_~ix~0 := ~bvand32(2147483647bv32, isinf_float_~ix~0);isinf_float_#res := (if 2139095040bv32 == isinf_float_~ix~0 then 1bv32 else 0bv32); {44#false} is VALID [2020-07-28 17:50:15,237 INFO L280 TraceCheckUtils]: 8: Hoare triple {44#false} main_#t~ret19 := isinf_float_#res; {44#false} is VALID [2020-07-28 17:50:15,237 INFO L280 TraceCheckUtils]: 9: Hoare triple {44#false} assume 0bv32 == main_#t~ret19;havoc main_#t~ret19; {44#false} is VALID [2020-07-28 17:50:15,238 INFO L280 TraceCheckUtils]: 10: Hoare triple {44#false} assume !false; {44#false} is VALID [2020-07-28 17:50:15,241 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 17:50:15,242 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:50:15,267 INFO L280 TraceCheckUtils]: 10: Hoare triple {44#false} assume !false; {44#false} is VALID [2020-07-28 17:50:15,267 INFO L280 TraceCheckUtils]: 9: Hoare triple {44#false} assume 0bv32 == main_#t~ret19;havoc main_#t~ret19; {44#false} is VALID [2020-07-28 17:50:15,268 INFO L280 TraceCheckUtils]: 8: Hoare triple {44#false} main_#t~ret19 := isinf_float_#res; {44#false} is VALID [2020-07-28 17:50:15,268 INFO L280 TraceCheckUtils]: 7: Hoare triple {44#false} isinf_float_~ix~0 := ~bvand32(2147483647bv32, isinf_float_~ix~0);isinf_float_#res := (if 2139095040bv32 == isinf_float_~ix~0 then 1bv32 else 0bv32); {44#false} is VALID [2020-07-28 17:50:15,270 INFO L280 TraceCheckUtils]: 6: Hoare triple {44#false} assume !true; {44#false} is VALID [2020-07-28 17:50:15,271 INFO L280 TraceCheckUtils]: 5: Hoare triple {44#false} main_#t~ret18 := __ieee754_expf_#res;main_~res~0 := main_#t~ret18;havoc main_#t~ret18;isinf_float_#in~x := main_~res~0;havoc isinf_float_#res;havoc isinf_float_#t~mem16, isinf_float_#t~union17, isinf_float_~#gf_u~3.base, isinf_float_~#gf_u~3.offset, isinf_float_~x, isinf_float_~ix~0;isinf_float_~x := isinf_float_#in~x;havoc isinf_float_~ix~0; {44#false} is VALID [2020-07-28 17:50:15,271 INFO L280 TraceCheckUtils]: 4: Hoare triple {44#false} assume ~bvugt32(__ieee754_expf_~hx~0, 2139095040bv32);__ieee754_expf_#res := ~fp.add~FLOAT(currentRoundingMode, __ieee754_expf_~x, __ieee754_expf_~x); {44#false} is VALID [2020-07-28 17:50:15,272 INFO L280 TraceCheckUtils]: 3: Hoare triple {44#false} __ieee754_expf_~xsb~0 := ~bvand32(1bv32, ~bvashr32(__ieee754_expf_~sx~0, 31bv32));__ieee754_expf_~hx~0 := ~bvand32(2147483647bv32, __ieee754_expf_~sx~0); {44#false} is VALID [2020-07-28 17:50:15,273 INFO L280 TraceCheckUtils]: 2: Hoare triple {43#true} assume !true; {44#false} is VALID [2020-07-28 17:50:15,274 INFO L280 TraceCheckUtils]: 1: Hoare triple {43#true} havoc main_#res;havoc main_#t~ret18, main_#t~ret19, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());__ieee754_expf_#in~x := main_~x~0;havoc __ieee754_expf_#res;havoc __ieee754_expf_#t~mem0, __ieee754_expf_#t~union1, __ieee754_expf_~#gf_u~0.base, __ieee754_expf_~#gf_u~0.offset, __ieee754_expf_#t~ite2, __ieee754_expf_#t~mem3, __ieee754_expf_#t~mem4, __ieee754_expf_#t~mem5, __ieee754_expf_#t~mem6, __ieee754_expf_#t~mem7, __ieee754_expf_#t~mem8, __ieee754_expf_#t~union9, __ieee754_expf_~#gf_u~1.base, __ieee754_expf_~#gf_u~1.offset, __ieee754_expf_#t~mem10, __ieee754_expf_#t~union11, __ieee754_expf_~#sf_u~0.base, __ieee754_expf_~#sf_u~0.offset, __ieee754_expf_~hy~0, __ieee754_expf_#t~mem12, __ieee754_expf_#t~union13, __ieee754_expf_~#gf_u~2.base, __ieee754_expf_~#gf_u~2.offset, __ieee754_expf_#t~mem14, __ieee754_expf_#t~union15, __ieee754_expf_~#sf_u~1.base, __ieee754_expf_~#sf_u~1.offset, __ieee754_expf_~hy~1, __ieee754_expf_~x, __ieee754_expf_~y~0, __ieee754_expf_~hi~0, __ieee754_expf_~lo~0, __ieee754_expf_~c~0, __ieee754_expf_~t~0, __ieee754_expf_~k~0, __ieee754_expf_~xsb~0, __ieee754_expf_~sx~0, __ieee754_expf_~hx~0;__ieee754_expf_~x := __ieee754_expf_#in~x;havoc __ieee754_expf_~y~0;havoc __ieee754_expf_~hi~0;havoc __ieee754_expf_~lo~0;havoc __ieee754_expf_~c~0;havoc __ieee754_expf_~t~0;__ieee754_expf_~k~0 := 0bv32;havoc __ieee754_expf_~xsb~0;havoc __ieee754_expf_~sx~0;havoc __ieee754_expf_~hx~0; {43#true} is VALID [2020-07-28 17:50:15,274 INFO L280 TraceCheckUtils]: 0: Hoare triple {43#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~one_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));call ~#halF_exp~0.base, ~#halF_exp~0.offset := #Ultimate.allocOnStack(8bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.5)), ~#halF_exp~0.base, ~#halF_exp~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.5))), ~#halF_exp~0.base, ~bvadd32(4bv32, ~#halF_exp~0.offset), 4bv32);~huge_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));~twom100_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.8886090522E-31));call ~#ln2HI_exp~0.base, ~#ln2HI_exp~0.offset := #Ultimate.allocOnStack(8bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.69313812256)), ~#ln2HI_exp~0.base, ~#ln2HI_exp~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.69313812256))), ~#ln2HI_exp~0.base, ~bvadd32(4bv32, ~#ln2HI_exp~0.offset), 4bv32);call ~#ln2LO_exp~0.base, ~#ln2LO_exp~0.offset := #Ultimate.allocOnStack(8bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 9.0580006145E-6)), ~#ln2LO_exp~0.base, ~#ln2LO_exp~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 9.0580006145E-6))), ~#ln2LO_exp~0.base, ~bvadd32(4bv32, ~#ln2LO_exp~0.offset), 4bv32);~invln2_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.4426950216));~P1_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.16666667163));~P2_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.002777777845)));~P3_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 6.613755977E-5));~P4_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 1.6533901999E-6)));~P5_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 4.1381369442E-8)); {43#true} is VALID [2020-07-28 17:50:15,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:50:15,277 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [388432039] [2020-07-28 17:50:15,277 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:50:15,278 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-07-28 17:50:15,279 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423832921] [2020-07-28 17:50:15,288 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-07-28 17:50:15,289 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:50:15,292 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 17:50:15,338 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:50:15,338 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 17:50:15,338 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:50:15,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 17:50:15,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:50:15,351 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 2 states. [2020-07-28 17:50:23,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:50:23,731 INFO L93 Difference]: Finished difference Result 78 states and 124 transitions. [2020-07-28 17:50:23,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 17:50:23,732 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-07-28 17:50:23,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:50:23,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:50:23,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 124 transitions. [2020-07-28 17:50:23,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:50:23,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 124 transitions. [2020-07-28 17:50:23,747 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 124 transitions. [2020-07-28 17:50:26,697 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 124 edges. 124 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:50:26,710 INFO L225 Difference]: With dead ends: 78 [2020-07-28 17:50:26,711 INFO L226 Difference]: Without dead ends: 37 [2020-07-28 17:50:26,715 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:50:26,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-07-28 17:50:26,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-07-28 17:50:26,752 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:50:26,752 INFO L82 GeneralOperation]: Start isEquivalent. First operand 37 states. Second operand 37 states. [2020-07-28 17:50:26,753 INFO L74 IsIncluded]: Start isIncluded. First operand 37 states. Second operand 37 states. [2020-07-28 17:50:26,753 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 37 states. [2020-07-28 17:50:26,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:50:26,759 INFO L93 Difference]: Finished difference Result 37 states and 47 transitions. [2020-07-28 17:50:26,759 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2020-07-28 17:50:26,759 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:50:26,760 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:50:26,760 INFO L74 IsIncluded]: Start isIncluded. First operand 37 states. Second operand 37 states. [2020-07-28 17:50:26,760 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 37 states. [2020-07-28 17:50:26,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:50:26,764 INFO L93 Difference]: Finished difference Result 37 states and 47 transitions. [2020-07-28 17:50:26,764 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2020-07-28 17:50:26,765 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:50:26,765 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:50:26,766 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:50:26,766 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:50:26,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-07-28 17:50:26,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2020-07-28 17:50:26,771 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 47 transitions. Word has length 11 [2020-07-28 17:50:26,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:50:26,772 INFO L479 AbstractCegarLoop]: Abstraction has 37 states and 47 transitions. [2020-07-28 17:50:26,772 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 17:50:26,772 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2020-07-28 17:50:26,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-28 17:50:26,773 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:50:26,774 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:50:26,988 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-07-28 17:50:26,988 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:50:26,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:50:26,990 INFO L82 PathProgramCache]: Analyzing trace with hash -434363397, now seen corresponding path program 1 times [2020-07-28 17:50:26,991 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:50:26,992 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [778103613] [2020-07-28 17:50:26,992 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 17:50:27,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:50:27,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-28 17:50:27,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:50:27,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:50:27,680 INFO L280 TraceCheckUtils]: 0: Hoare triple {316#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~one_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));call ~#halF_exp~0.base, ~#halF_exp~0.offset := #Ultimate.allocOnStack(8bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.5)), ~#halF_exp~0.base, ~#halF_exp~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.5))), ~#halF_exp~0.base, ~bvadd32(4bv32, ~#halF_exp~0.offset), 4bv32);~huge_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));~twom100_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.8886090522E-31));call ~#ln2HI_exp~0.base, ~#ln2HI_exp~0.offset := #Ultimate.allocOnStack(8bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.69313812256)), ~#ln2HI_exp~0.base, ~#ln2HI_exp~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.69313812256))), ~#ln2HI_exp~0.base, ~bvadd32(4bv32, ~#ln2HI_exp~0.offset), 4bv32);call ~#ln2LO_exp~0.base, ~#ln2LO_exp~0.offset := #Ultimate.allocOnStack(8bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 9.0580006145E-6)), ~#ln2LO_exp~0.base, ~#ln2LO_exp~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 9.0580006145E-6))), ~#ln2LO_exp~0.base, ~bvadd32(4bv32, ~#ln2LO_exp~0.offset), 4bv32);~invln2_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.4426950216));~P1_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.16666667163));~P2_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.002777777845)));~P3_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 6.613755977E-5));~P4_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 1.6533901999E-6)));~P5_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 4.1381369442E-8)); {316#true} is VALID [2020-07-28 17:50:27,684 INFO L280 TraceCheckUtils]: 1: Hoare triple {316#true} havoc main_#res;havoc main_#t~ret18, main_#t~ret19, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());__ieee754_expf_#in~x := main_~x~0;havoc __ieee754_expf_#res;havoc __ieee754_expf_#t~mem0, __ieee754_expf_#t~union1, __ieee754_expf_~#gf_u~0.base, __ieee754_expf_~#gf_u~0.offset, __ieee754_expf_#t~ite2, __ieee754_expf_#t~mem3, __ieee754_expf_#t~mem4, __ieee754_expf_#t~mem5, __ieee754_expf_#t~mem6, __ieee754_expf_#t~mem7, __ieee754_expf_#t~mem8, __ieee754_expf_#t~union9, __ieee754_expf_~#gf_u~1.base, __ieee754_expf_~#gf_u~1.offset, __ieee754_expf_#t~mem10, __ieee754_expf_#t~union11, __ieee754_expf_~#sf_u~0.base, __ieee754_expf_~#sf_u~0.offset, __ieee754_expf_~hy~0, __ieee754_expf_#t~mem12, __ieee754_expf_#t~union13, __ieee754_expf_~#gf_u~2.base, __ieee754_expf_~#gf_u~2.offset, __ieee754_expf_#t~mem14, __ieee754_expf_#t~union15, __ieee754_expf_~#sf_u~1.base, __ieee754_expf_~#sf_u~1.offset, __ieee754_expf_~hy~1, __ieee754_expf_~x, __ieee754_expf_~y~0, __ieee754_expf_~hi~0, __ieee754_expf_~lo~0, __ieee754_expf_~c~0, __ieee754_expf_~t~0, __ieee754_expf_~k~0, __ieee754_expf_~xsb~0, __ieee754_expf_~sx~0, __ieee754_expf_~hx~0;__ieee754_expf_~x := __ieee754_expf_#in~x;havoc __ieee754_expf_~y~0;havoc __ieee754_expf_~hi~0;havoc __ieee754_expf_~lo~0;havoc __ieee754_expf_~c~0;havoc __ieee754_expf_~t~0;__ieee754_expf_~k~0 := 0bv32;havoc __ieee754_expf_~xsb~0;havoc __ieee754_expf_~sx~0;havoc __ieee754_expf_~hx~0; {324#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_expf_~x))} is VALID [2020-07-28 17:50:27,692 INFO L280 TraceCheckUtils]: 2: Hoare triple {324#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_expf_~x))} call __ieee754_expf_~#gf_u~0.base, __ieee754_expf_~#gf_u~0.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_expf_~x, __ieee754_expf_~#gf_u~0.base, __ieee754_expf_~#gf_u~0.offset, 4bv32);call __ieee754_expf_#t~mem0 := read~intINTTYPE4(__ieee754_expf_~#gf_u~0.base, __ieee754_expf_~#gf_u~0.offset, 4bv32);__ieee754_expf_~sx~0 := __ieee754_expf_#t~mem0;call write~intFLOATTYPE4(__ieee754_expf_#t~union1, __ieee754_expf_~#gf_u~0.base, __ieee754_expf_~#gf_u~0.offset, 4bv32);havoc __ieee754_expf_#t~union1;havoc __ieee754_expf_#t~mem0;call ULTIMATE.dealloc(__ieee754_expf_~#gf_u~0.base, __ieee754_expf_~#gf_u~0.offset);havoc __ieee754_expf_~#gf_u~0.base, __ieee754_expf_~#gf_u~0.offset; {328#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~sx~0))))} is VALID [2020-07-28 17:50:27,693 INFO L280 TraceCheckUtils]: 3: Hoare triple {328#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~sx~0))))} goto; {328#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~sx~0))))} is VALID [2020-07-28 17:50:27,697 INFO L280 TraceCheckUtils]: 4: Hoare triple {328#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~sx~0))))} __ieee754_expf_~xsb~0 := ~bvand32(1bv32, ~bvashr32(__ieee754_expf_~sx~0, 31bv32));__ieee754_expf_~hx~0 := ~bvand32(2147483647bv32, __ieee754_expf_~sx~0); {335#(exists ((ULTIMATE.start___ieee754_expf_~sx~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start___ieee754_expf_~hx~0 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_expf_~sx~0)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~sx~0)))))} is VALID [2020-07-28 17:50:27,716 INFO L280 TraceCheckUtils]: 5: Hoare triple {335#(exists ((ULTIMATE.start___ieee754_expf_~sx~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start___ieee754_expf_~hx~0 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_expf_~sx~0)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~sx~0)))))} assume ~bvugt32(__ieee754_expf_~hx~0, 2139095040bv32);__ieee754_expf_#res := ~fp.add~FLOAT(currentRoundingMode, __ieee754_expf_~x, __ieee754_expf_~x); {317#false} is VALID [2020-07-28 17:50:27,716 INFO L280 TraceCheckUtils]: 6: Hoare triple {317#false} main_#t~ret18 := __ieee754_expf_#res;main_~res~0 := main_#t~ret18;havoc main_#t~ret18;isinf_float_#in~x := main_~res~0;havoc isinf_float_#res;havoc isinf_float_#t~mem16, isinf_float_#t~union17, isinf_float_~#gf_u~3.base, isinf_float_~#gf_u~3.offset, isinf_float_~x, isinf_float_~ix~0;isinf_float_~x := isinf_float_#in~x;havoc isinf_float_~ix~0; {317#false} is VALID [2020-07-28 17:50:27,717 INFO L280 TraceCheckUtils]: 7: Hoare triple {317#false} call isinf_float_~#gf_u~3.base, isinf_float_~#gf_u~3.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(isinf_float_~x, isinf_float_~#gf_u~3.base, isinf_float_~#gf_u~3.offset, 4bv32);call isinf_float_#t~mem16 := read~intINTTYPE4(isinf_float_~#gf_u~3.base, isinf_float_~#gf_u~3.offset, 4bv32);isinf_float_~ix~0 := isinf_float_#t~mem16;call write~intFLOATTYPE4(isinf_float_#t~union17, isinf_float_~#gf_u~3.base, isinf_float_~#gf_u~3.offset, 4bv32);havoc isinf_float_#t~mem16;havoc isinf_float_#t~union17;call ULTIMATE.dealloc(isinf_float_~#gf_u~3.base, isinf_float_~#gf_u~3.offset);havoc isinf_float_~#gf_u~3.base, isinf_float_~#gf_u~3.offset; {317#false} is VALID [2020-07-28 17:50:27,717 INFO L280 TraceCheckUtils]: 8: Hoare triple {317#false} goto; {317#false} is VALID [2020-07-28 17:50:27,718 INFO L280 TraceCheckUtils]: 9: Hoare triple {317#false} isinf_float_~ix~0 := ~bvand32(2147483647bv32, isinf_float_~ix~0);isinf_float_#res := (if 2139095040bv32 == isinf_float_~ix~0 then 1bv32 else 0bv32); {317#false} is VALID [2020-07-28 17:50:27,718 INFO L280 TraceCheckUtils]: 10: Hoare triple {317#false} main_#t~ret19 := isinf_float_#res; {317#false} is VALID [2020-07-28 17:50:27,718 INFO L280 TraceCheckUtils]: 11: Hoare triple {317#false} assume 0bv32 == main_#t~ret19;havoc main_#t~ret19; {317#false} is VALID [2020-07-28 17:50:27,719 INFO L280 TraceCheckUtils]: 12: Hoare triple {317#false} assume !false; {317#false} is VALID [2020-07-28 17:50:27,721 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 17:50:27,721 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:50:27,860 INFO L280 TraceCheckUtils]: 12: Hoare triple {317#false} assume !false; {317#false} is VALID [2020-07-28 17:50:27,860 INFO L280 TraceCheckUtils]: 11: Hoare triple {317#false} assume 0bv32 == main_#t~ret19;havoc main_#t~ret19; {317#false} is VALID [2020-07-28 17:50:27,860 INFO L280 TraceCheckUtils]: 10: Hoare triple {317#false} main_#t~ret19 := isinf_float_#res; {317#false} is VALID [2020-07-28 17:50:27,861 INFO L280 TraceCheckUtils]: 9: Hoare triple {317#false} isinf_float_~ix~0 := ~bvand32(2147483647bv32, isinf_float_~ix~0);isinf_float_#res := (if 2139095040bv32 == isinf_float_~ix~0 then 1bv32 else 0bv32); {317#false} is VALID [2020-07-28 17:50:27,861 INFO L280 TraceCheckUtils]: 8: Hoare triple {317#false} goto; {317#false} is VALID [2020-07-28 17:50:27,861 INFO L280 TraceCheckUtils]: 7: Hoare triple {317#false} call isinf_float_~#gf_u~3.base, isinf_float_~#gf_u~3.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(isinf_float_~x, isinf_float_~#gf_u~3.base, isinf_float_~#gf_u~3.offset, 4bv32);call isinf_float_#t~mem16 := read~intINTTYPE4(isinf_float_~#gf_u~3.base, isinf_float_~#gf_u~3.offset, 4bv32);isinf_float_~ix~0 := isinf_float_#t~mem16;call write~intFLOATTYPE4(isinf_float_#t~union17, isinf_float_~#gf_u~3.base, isinf_float_~#gf_u~3.offset, 4bv32);havoc isinf_float_#t~mem16;havoc isinf_float_#t~union17;call ULTIMATE.dealloc(isinf_float_~#gf_u~3.base, isinf_float_~#gf_u~3.offset);havoc isinf_float_~#gf_u~3.base, isinf_float_~#gf_u~3.offset; {317#false} is VALID [2020-07-28 17:50:27,862 INFO L280 TraceCheckUtils]: 6: Hoare triple {317#false} main_#t~ret18 := __ieee754_expf_#res;main_~res~0 := main_#t~ret18;havoc main_#t~ret18;isinf_float_#in~x := main_~res~0;havoc isinf_float_#res;havoc isinf_float_#t~mem16, isinf_float_#t~union17, isinf_float_~#gf_u~3.base, isinf_float_~#gf_u~3.offset, isinf_float_~x, isinf_float_~ix~0;isinf_float_~x := isinf_float_#in~x;havoc isinf_float_~ix~0; {317#false} is VALID [2020-07-28 17:50:27,863 INFO L280 TraceCheckUtils]: 5: Hoare triple {381#(not (bvugt ULTIMATE.start___ieee754_expf_~hx~0 (_ bv2139095040 32)))} assume ~bvugt32(__ieee754_expf_~hx~0, 2139095040bv32);__ieee754_expf_#res := ~fp.add~FLOAT(currentRoundingMode, __ieee754_expf_~x, __ieee754_expf_~x); {317#false} is VALID [2020-07-28 17:50:27,865 INFO L280 TraceCheckUtils]: 4: Hoare triple {385#(not (bvugt (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_expf_~sx~0) (_ bv2139095040 32)))} __ieee754_expf_~xsb~0 := ~bvand32(1bv32, ~bvashr32(__ieee754_expf_~sx~0, 31bv32));__ieee754_expf_~hx~0 := ~bvand32(2147483647bv32, __ieee754_expf_~sx~0); {381#(not (bvugt ULTIMATE.start___ieee754_expf_~hx~0 (_ bv2139095040 32)))} is VALID [2020-07-28 17:50:27,866 INFO L280 TraceCheckUtils]: 3: Hoare triple {385#(not (bvugt (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_expf_~sx~0) (_ bv2139095040 32)))} goto; {385#(not (bvugt (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_expf_~sx~0) (_ bv2139095040 32)))} is VALID [2020-07-28 17:50:27,870 INFO L280 TraceCheckUtils]: 2: Hoare triple {392#(forall ((v_ULTIMATE.start___ieee754_expf_~sx~0_9 (_ BitVec 32))) (or (not (= ULTIMATE.start___ieee754_expf_~x (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_expf_~sx~0_9) ((_ extract 30 23) v_ULTIMATE.start___ieee754_expf_~sx~0_9) ((_ extract 22 0) v_ULTIMATE.start___ieee754_expf_~sx~0_9)))) (not (bvugt (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_expf_~sx~0_9) (_ bv2139095040 32)))))} call __ieee754_expf_~#gf_u~0.base, __ieee754_expf_~#gf_u~0.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_expf_~x, __ieee754_expf_~#gf_u~0.base, __ieee754_expf_~#gf_u~0.offset, 4bv32);call __ieee754_expf_#t~mem0 := read~intINTTYPE4(__ieee754_expf_~#gf_u~0.base, __ieee754_expf_~#gf_u~0.offset, 4bv32);__ieee754_expf_~sx~0 := __ieee754_expf_#t~mem0;call write~intFLOATTYPE4(__ieee754_expf_#t~union1, __ieee754_expf_~#gf_u~0.base, __ieee754_expf_~#gf_u~0.offset, 4bv32);havoc __ieee754_expf_#t~union1;havoc __ieee754_expf_#t~mem0;call ULTIMATE.dealloc(__ieee754_expf_~#gf_u~0.base, __ieee754_expf_~#gf_u~0.offset);havoc __ieee754_expf_~#gf_u~0.base, __ieee754_expf_~#gf_u~0.offset; {385#(not (bvugt (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_expf_~sx~0) (_ bv2139095040 32)))} is VALID [2020-07-28 17:50:27,873 INFO L280 TraceCheckUtils]: 1: Hoare triple {316#true} havoc main_#res;havoc main_#t~ret18, main_#t~ret19, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());__ieee754_expf_#in~x := main_~x~0;havoc __ieee754_expf_#res;havoc __ieee754_expf_#t~mem0, __ieee754_expf_#t~union1, __ieee754_expf_~#gf_u~0.base, __ieee754_expf_~#gf_u~0.offset, __ieee754_expf_#t~ite2, __ieee754_expf_#t~mem3, __ieee754_expf_#t~mem4, __ieee754_expf_#t~mem5, __ieee754_expf_#t~mem6, __ieee754_expf_#t~mem7, __ieee754_expf_#t~mem8, __ieee754_expf_#t~union9, __ieee754_expf_~#gf_u~1.base, __ieee754_expf_~#gf_u~1.offset, __ieee754_expf_#t~mem10, __ieee754_expf_#t~union11, __ieee754_expf_~#sf_u~0.base, __ieee754_expf_~#sf_u~0.offset, __ieee754_expf_~hy~0, __ieee754_expf_#t~mem12, __ieee754_expf_#t~union13, __ieee754_expf_~#gf_u~2.base, __ieee754_expf_~#gf_u~2.offset, __ieee754_expf_#t~mem14, __ieee754_expf_#t~union15, __ieee754_expf_~#sf_u~1.base, __ieee754_expf_~#sf_u~1.offset, __ieee754_expf_~hy~1, __ieee754_expf_~x, __ieee754_expf_~y~0, __ieee754_expf_~hi~0, __ieee754_expf_~lo~0, __ieee754_expf_~c~0, __ieee754_expf_~t~0, __ieee754_expf_~k~0, __ieee754_expf_~xsb~0, __ieee754_expf_~sx~0, __ieee754_expf_~hx~0;__ieee754_expf_~x := __ieee754_expf_#in~x;havoc __ieee754_expf_~y~0;havoc __ieee754_expf_~hi~0;havoc __ieee754_expf_~lo~0;havoc __ieee754_expf_~c~0;havoc __ieee754_expf_~t~0;__ieee754_expf_~k~0 := 0bv32;havoc __ieee754_expf_~xsb~0;havoc __ieee754_expf_~sx~0;havoc __ieee754_expf_~hx~0; {392#(forall ((v_ULTIMATE.start___ieee754_expf_~sx~0_9 (_ BitVec 32))) (or (not (= ULTIMATE.start___ieee754_expf_~x (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_expf_~sx~0_9) ((_ extract 30 23) v_ULTIMATE.start___ieee754_expf_~sx~0_9) ((_ extract 22 0) v_ULTIMATE.start___ieee754_expf_~sx~0_9)))) (not (bvugt (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_expf_~sx~0_9) (_ bv2139095040 32)))))} is VALID [2020-07-28 17:50:27,874 INFO L280 TraceCheckUtils]: 0: Hoare triple {316#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~one_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));call ~#halF_exp~0.base, ~#halF_exp~0.offset := #Ultimate.allocOnStack(8bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.5)), ~#halF_exp~0.base, ~#halF_exp~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.5))), ~#halF_exp~0.base, ~bvadd32(4bv32, ~#halF_exp~0.offset), 4bv32);~huge_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));~twom100_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.8886090522E-31));call ~#ln2HI_exp~0.base, ~#ln2HI_exp~0.offset := #Ultimate.allocOnStack(8bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.69313812256)), ~#ln2HI_exp~0.base, ~#ln2HI_exp~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.69313812256))), ~#ln2HI_exp~0.base, ~bvadd32(4bv32, ~#ln2HI_exp~0.offset), 4bv32);call ~#ln2LO_exp~0.base, ~#ln2LO_exp~0.offset := #Ultimate.allocOnStack(8bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 9.0580006145E-6)), ~#ln2LO_exp~0.base, ~#ln2LO_exp~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 9.0580006145E-6))), ~#ln2LO_exp~0.base, ~bvadd32(4bv32, ~#ln2LO_exp~0.offset), 4bv32);~invln2_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.4426950216));~P1_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.16666667163));~P2_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.002777777845)));~P3_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 6.613755977E-5));~P4_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 1.6533901999E-6)));~P5_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 4.1381369442E-8)); {316#true} is VALID [2020-07-28 17:50:27,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:50:27,875 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [778103613] [2020-07-28 17:50:27,875 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:50:27,876 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-07-28 17:50:27,876 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487618522] [2020-07-28 17:50:27,878 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 13 [2020-07-28 17:50:27,878 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:50:27,878 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-28 17:50:28,100 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:50:28,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-28 17:50:28,101 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:50:28,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-28 17:50:28,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-28 17:50:28,101 INFO L87 Difference]: Start difference. First operand 37 states and 47 transitions. Second operand 8 states. [2020-07-28 17:50:28,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:50:28,866 INFO L93 Difference]: Finished difference Result 45 states and 54 transitions. [2020-07-28 17:50:28,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 17:50:28,867 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 13 [2020-07-28 17:50:28,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:50:28,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-28 17:50:28,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 54 transitions. [2020-07-28 17:50:28,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-28 17:50:28,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 54 transitions. [2020-07-28 17:50:28,872 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 54 transitions. [2020-07-28 17:50:30,352 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 54 edges. 54 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:50:30,353 INFO L225 Difference]: With dead ends: 45 [2020-07-28 17:50:30,353 INFO L226 Difference]: Without dead ends: 17 [2020-07-28 17:50:30,355 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-07-28 17:50:30,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-07-28 17:50:30,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2020-07-28 17:50:30,367 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:50:30,367 INFO L82 GeneralOperation]: Start isEquivalent. First operand 17 states. Second operand 17 states. [2020-07-28 17:50:30,367 INFO L74 IsIncluded]: Start isIncluded. First operand 17 states. Second operand 17 states. [2020-07-28 17:50:30,367 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 17 states. [2020-07-28 17:50:30,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:50:30,370 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2020-07-28 17:50:30,370 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2020-07-28 17:50:30,371 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:50:30,371 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:50:30,371 INFO L74 IsIncluded]: Start isIncluded. First operand 17 states. Second operand 17 states. [2020-07-28 17:50:30,371 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 17 states. [2020-07-28 17:50:30,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:50:30,373 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2020-07-28 17:50:30,373 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2020-07-28 17:50:30,374 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:50:30,374 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:50:30,374 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:50:30,375 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:50:30,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-07-28 17:50:30,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2020-07-28 17:50:30,376 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 13 [2020-07-28 17:50:30,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:50:30,377 INFO L479 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2020-07-28 17:50:30,377 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-28 17:50:30,377 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2020-07-28 17:50:30,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 17:50:30,378 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:50:30,378 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:50:30,585 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-07-28 17:50:30,585 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:50:30,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:50:30,587 INFO L82 PathProgramCache]: Analyzing trace with hash -760163818, now seen corresponding path program 1 times [2020-07-28 17:50:30,587 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:50:30,588 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2093167573] [2020-07-28 17:50:30,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-07-28 17:50:31,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:50:31,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 16 conjunts are in the unsatisfiable core [2020-07-28 17:50:31,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:50:31,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:50:31,256 INFO L523 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-28 17:50:31,332 INFO L280 TraceCheckUtils]: 0: Hoare triple {511#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~one_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));call ~#halF_exp~0.base, ~#halF_exp~0.offset := #Ultimate.allocOnStack(8bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.5)), ~#halF_exp~0.base, ~#halF_exp~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.5))), ~#halF_exp~0.base, ~bvadd32(4bv32, ~#halF_exp~0.offset), 4bv32);~huge_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));~twom100_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.8886090522E-31));call ~#ln2HI_exp~0.base, ~#ln2HI_exp~0.offset := #Ultimate.allocOnStack(8bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.69313812256)), ~#ln2HI_exp~0.base, ~#ln2HI_exp~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.69313812256))), ~#ln2HI_exp~0.base, ~bvadd32(4bv32, ~#ln2HI_exp~0.offset), 4bv32);call ~#ln2LO_exp~0.base, ~#ln2LO_exp~0.offset := #Ultimate.allocOnStack(8bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 9.0580006145E-6)), ~#ln2LO_exp~0.base, ~#ln2LO_exp~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 9.0580006145E-6))), ~#ln2LO_exp~0.base, ~bvadd32(4bv32, ~#ln2LO_exp~0.offset), 4bv32);~invln2_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.4426950216));~P1_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.16666667163));~P2_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.002777777845)));~P3_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 6.613755977E-5));~P4_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 1.6533901999E-6)));~P5_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 4.1381369442E-8)); {516#(= currentRoundingMode roundNearestTiesToEven)} is VALID [2020-07-28 17:50:31,333 INFO L280 TraceCheckUtils]: 1: Hoare triple {516#(= currentRoundingMode roundNearestTiesToEven)} havoc main_#res;havoc main_#t~ret18, main_#t~ret19, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());__ieee754_expf_#in~x := main_~x~0;havoc __ieee754_expf_#res;havoc __ieee754_expf_#t~mem0, __ieee754_expf_#t~union1, __ieee754_expf_~#gf_u~0.base, __ieee754_expf_~#gf_u~0.offset, __ieee754_expf_#t~ite2, __ieee754_expf_#t~mem3, __ieee754_expf_#t~mem4, __ieee754_expf_#t~mem5, __ieee754_expf_#t~mem6, __ieee754_expf_#t~mem7, __ieee754_expf_#t~mem8, __ieee754_expf_#t~union9, __ieee754_expf_~#gf_u~1.base, __ieee754_expf_~#gf_u~1.offset, __ieee754_expf_#t~mem10, __ieee754_expf_#t~union11, __ieee754_expf_~#sf_u~0.base, __ieee754_expf_~#sf_u~0.offset, __ieee754_expf_~hy~0, __ieee754_expf_#t~mem12, __ieee754_expf_#t~union13, __ieee754_expf_~#gf_u~2.base, __ieee754_expf_~#gf_u~2.offset, __ieee754_expf_#t~mem14, __ieee754_expf_#t~union15, __ieee754_expf_~#sf_u~1.base, __ieee754_expf_~#sf_u~1.offset, __ieee754_expf_~hy~1, __ieee754_expf_~x, __ieee754_expf_~y~0, __ieee754_expf_~hi~0, __ieee754_expf_~lo~0, __ieee754_expf_~c~0, __ieee754_expf_~t~0, __ieee754_expf_~k~0, __ieee754_expf_~xsb~0, __ieee754_expf_~sx~0, __ieee754_expf_~hx~0;__ieee754_expf_~x := __ieee754_expf_#in~x;havoc __ieee754_expf_~y~0;havoc __ieee754_expf_~hi~0;havoc __ieee754_expf_~lo~0;havoc __ieee754_expf_~c~0;havoc __ieee754_expf_~t~0;__ieee754_expf_~k~0 := 0bv32;havoc __ieee754_expf_~xsb~0;havoc __ieee754_expf_~sx~0;havoc __ieee754_expf_~hx~0; {520#(and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_expf_~x) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:50:31,335 INFO L280 TraceCheckUtils]: 2: Hoare triple {520#(and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_expf_~x) (= currentRoundingMode roundNearestTiesToEven))} call __ieee754_expf_~#gf_u~0.base, __ieee754_expf_~#gf_u~0.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_expf_~x, __ieee754_expf_~#gf_u~0.base, __ieee754_expf_~#gf_u~0.offset, 4bv32);call __ieee754_expf_#t~mem0 := read~intINTTYPE4(__ieee754_expf_~#gf_u~0.base, __ieee754_expf_~#gf_u~0.offset, 4bv32);__ieee754_expf_~sx~0 := __ieee754_expf_#t~mem0;call write~intFLOATTYPE4(__ieee754_expf_#t~union1, __ieee754_expf_~#gf_u~0.base, __ieee754_expf_~#gf_u~0.offset, 4bv32);havoc __ieee754_expf_#t~union1;havoc __ieee754_expf_#t~mem0;call ULTIMATE.dealloc(__ieee754_expf_~#gf_u~0.base, __ieee754_expf_~#gf_u~0.offset);havoc __ieee754_expf_~#gf_u~0.base, __ieee754_expf_~#gf_u~0.offset; {520#(and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_expf_~x) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:50:31,336 INFO L280 TraceCheckUtils]: 3: Hoare triple {520#(and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_expf_~x) (= currentRoundingMode roundNearestTiesToEven))} goto; {520#(and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_expf_~x) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:50:31,341 INFO L280 TraceCheckUtils]: 4: Hoare triple {520#(and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_expf_~x) (= currentRoundingMode roundNearestTiesToEven))} __ieee754_expf_~xsb~0 := ~bvand32(1bv32, ~bvashr32(__ieee754_expf_~sx~0, 31bv32));__ieee754_expf_~hx~0 := ~bvand32(2147483647bv32, __ieee754_expf_~sx~0); {520#(and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_expf_~x) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:50:31,342 INFO L280 TraceCheckUtils]: 5: Hoare triple {520#(and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_expf_~x) (= currentRoundingMode roundNearestTiesToEven))} assume !~bvugt32(__ieee754_expf_~hx~0, 2139095040bv32); {520#(and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_expf_~x) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:50:31,344 INFO L280 TraceCheckUtils]: 6: Hoare triple {520#(and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_expf_~x) (= currentRoundingMode roundNearestTiesToEven))} assume 2139095040bv32 == __ieee754_expf_~hx~0; {520#(and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_expf_~x) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:50:31,345 INFO L280 TraceCheckUtils]: 7: Hoare triple {520#(and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_expf_~x) (= currentRoundingMode roundNearestTiesToEven))} assume 0bv32 == __ieee754_expf_~xsb~0;__ieee754_expf_#t~ite2 := ~convertFLOATToDOUBLE(currentRoundingMode, __ieee754_expf_~x); {539#(and (= ((_ to_fp 11 53) currentRoundingMode (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) |ULTIMATE.start___ieee754_expf_#t~ite2|) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:50:31,346 INFO L280 TraceCheckUtils]: 8: Hoare triple {539#(and (= ((_ to_fp 11 53) currentRoundingMode (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) |ULTIMATE.start___ieee754_expf_#t~ite2|) (= currentRoundingMode roundNearestTiesToEven))} __ieee754_expf_#res := ~convertDOUBLEToFLOAT(currentRoundingMode, __ieee754_expf_#t~ite2);havoc __ieee754_expf_#t~ite2; {543#(= |ULTIMATE.start___ieee754_expf_#res| ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))))} is VALID [2020-07-28 17:50:31,347 INFO L280 TraceCheckUtils]: 9: Hoare triple {543#(= |ULTIMATE.start___ieee754_expf_#res| ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))))} main_#t~ret18 := __ieee754_expf_#res;main_~res~0 := main_#t~ret18;havoc main_#t~ret18;isinf_float_#in~x := main_~res~0;havoc isinf_float_#res;havoc isinf_float_#t~mem16, isinf_float_#t~union17, isinf_float_~#gf_u~3.base, isinf_float_~#gf_u~3.offset, isinf_float_~x, isinf_float_~ix~0;isinf_float_~x := isinf_float_#in~x;havoc isinf_float_~ix~0; {547#(= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) ULTIMATE.start_isinf_float_~x)} is VALID [2020-07-28 17:50:31,350 INFO L280 TraceCheckUtils]: 10: Hoare triple {547#(= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) ULTIMATE.start_isinf_float_~x)} call isinf_float_~#gf_u~3.base, isinf_float_~#gf_u~3.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(isinf_float_~x, isinf_float_~#gf_u~3.base, isinf_float_~#gf_u~3.offset, 4bv32);call isinf_float_#t~mem16 := read~intINTTYPE4(isinf_float_~#gf_u~3.base, isinf_float_~#gf_u~3.offset, 4bv32);isinf_float_~ix~0 := isinf_float_#t~mem16;call write~intFLOATTYPE4(isinf_float_#t~union17, isinf_float_~#gf_u~3.base, isinf_float_~#gf_u~3.offset, 4bv32);havoc isinf_float_#t~mem16;havoc isinf_float_#t~union17;call ULTIMATE.dealloc(isinf_float_~#gf_u~3.base, isinf_float_~#gf_u~3.offset);havoc isinf_float_~#gf_u~3.base, isinf_float_~#gf_u~3.offset; {551#(= (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~0) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~0) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~0)) ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))))} is VALID [2020-07-28 17:50:31,352 INFO L280 TraceCheckUtils]: 11: Hoare triple {551#(= (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~0) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~0) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~0)) ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))))} goto; {551#(= (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~0) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~0) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~0)) ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))))} is VALID [2020-07-28 17:50:31,354 INFO L280 TraceCheckUtils]: 12: Hoare triple {551#(= (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~0) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~0) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~0)) ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))))} isinf_float_~ix~0 := ~bvand32(2147483647bv32, isinf_float_~ix~0);isinf_float_#res := (if 2139095040bv32 == isinf_float_~ix~0 then 1bv32 else 0bv32); {558#(= (bvadd |ULTIMATE.start_isinf_float_#res| (_ bv4294967295 32)) (_ bv0 32))} is VALID [2020-07-28 17:50:31,356 INFO L280 TraceCheckUtils]: 13: Hoare triple {558#(= (bvadd |ULTIMATE.start_isinf_float_#res| (_ bv4294967295 32)) (_ bv0 32))} main_#t~ret19 := isinf_float_#res; {562#(= (bvadd |ULTIMATE.start_main_#t~ret19| (_ bv4294967295 32)) (_ bv0 32))} is VALID [2020-07-28 17:50:31,357 INFO L280 TraceCheckUtils]: 14: Hoare triple {562#(= (bvadd |ULTIMATE.start_main_#t~ret19| (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == main_#t~ret19;havoc main_#t~ret19; {512#false} is VALID [2020-07-28 17:50:31,358 INFO L280 TraceCheckUtils]: 15: Hoare triple {512#false} assume !false; {512#false} is VALID [2020-07-28 17:50:31,359 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 17:50:31,359 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:50:33,811 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2020-07-28 17:50:44,956 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2020-07-28 17:50:45,376 INFO L280 TraceCheckUtils]: 15: Hoare triple {512#false} assume !false; {512#false} is VALID [2020-07-28 17:50:45,377 INFO L280 TraceCheckUtils]: 14: Hoare triple {572#(not (= (_ bv0 32) |ULTIMATE.start_main_#t~ret19|))} assume 0bv32 == main_#t~ret19;havoc main_#t~ret19; {512#false} is VALID [2020-07-28 17:50:45,377 INFO L280 TraceCheckUtils]: 13: Hoare triple {576#(not (= |ULTIMATE.start_isinf_float_#res| (_ bv0 32)))} main_#t~ret19 := isinf_float_#res; {572#(not (= (_ bv0 32) |ULTIMATE.start_main_#t~ret19|))} is VALID [2020-07-28 17:50:45,378 INFO L280 TraceCheckUtils]: 12: Hoare triple {580#(= (bvadd (bvand (_ bv2147483647 32) ULTIMATE.start_isinf_float_~ix~0) (_ bv2155872256 32)) (_ bv0 32))} isinf_float_~ix~0 := ~bvand32(2147483647bv32, isinf_float_~ix~0);isinf_float_#res := (if 2139095040bv32 == isinf_float_~ix~0 then 1bv32 else 0bv32); {576#(not (= |ULTIMATE.start_isinf_float_#res| (_ bv0 32)))} is VALID [2020-07-28 17:50:45,379 INFO L280 TraceCheckUtils]: 11: Hoare triple {580#(= (bvadd (bvand (_ bv2147483647 32) ULTIMATE.start_isinf_float_~ix~0) (_ bv2155872256 32)) (_ bv0 32))} goto; {580#(= (bvadd (bvand (_ bv2147483647 32) ULTIMATE.start_isinf_float_~ix~0) (_ bv2155872256 32)) (_ bv0 32))} is VALID [2020-07-28 17:50:45,389 INFO L280 TraceCheckUtils]: 10: Hoare triple {587#(forall ((v_ULTIMATE.start_isinf_float_~ix~0_13 (_ BitVec 32))) (or (not (= ULTIMATE.start_isinf_float_~x (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~0_13)))) (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~0_13))))} call isinf_float_~#gf_u~3.base, isinf_float_~#gf_u~3.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(isinf_float_~x, isinf_float_~#gf_u~3.base, isinf_float_~#gf_u~3.offset, 4bv32);call isinf_float_#t~mem16 := read~intINTTYPE4(isinf_float_~#gf_u~3.base, isinf_float_~#gf_u~3.offset, 4bv32);isinf_float_~ix~0 := isinf_float_#t~mem16;call write~intFLOATTYPE4(isinf_float_#t~union17, isinf_float_~#gf_u~3.base, isinf_float_~#gf_u~3.offset, 4bv32);havoc isinf_float_#t~mem16;havoc isinf_float_#t~union17;call ULTIMATE.dealloc(isinf_float_~#gf_u~3.base, isinf_float_~#gf_u~3.offset);havoc isinf_float_~#gf_u~3.base, isinf_float_~#gf_u~3.offset; {580#(= (bvadd (bvand (_ bv2147483647 32) ULTIMATE.start_isinf_float_~ix~0) (_ bv2155872256 32)) (_ bv0 32))} is VALID [2020-07-28 17:50:45,391 INFO L280 TraceCheckUtils]: 9: Hoare triple {591#(forall ((v_ULTIMATE.start_isinf_float_~ix~0_13 (_ BitVec 32))) (or (not (= |ULTIMATE.start___ieee754_expf_#res| (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~0_13)))) (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~0_13))))} main_#t~ret18 := __ieee754_expf_#res;main_~res~0 := main_#t~ret18;havoc main_#t~ret18;isinf_float_#in~x := main_~res~0;havoc isinf_float_#res;havoc isinf_float_#t~mem16, isinf_float_#t~union17, isinf_float_~#gf_u~3.base, isinf_float_~#gf_u~3.offset, isinf_float_~x, isinf_float_~ix~0;isinf_float_~x := isinf_float_#in~x;havoc isinf_float_~ix~0; {587#(forall ((v_ULTIMATE.start_isinf_float_~ix~0_13 (_ BitVec 32))) (or (not (= ULTIMATE.start_isinf_float_~x (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~0_13)))) (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~0_13))))} is VALID [2020-07-28 17:50:45,393 INFO L280 TraceCheckUtils]: 8: Hoare triple {595#(forall ((v_ULTIMATE.start_isinf_float_~ix~0_13 (_ BitVec 32))) (or (not (= ((_ to_fp 8 24) currentRoundingMode |ULTIMATE.start___ieee754_expf_#t~ite2|) (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~0_13)))) (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~0_13))))} __ieee754_expf_#res := ~convertDOUBLEToFLOAT(currentRoundingMode, __ieee754_expf_#t~ite2);havoc __ieee754_expf_#t~ite2; {591#(forall ((v_ULTIMATE.start_isinf_float_~ix~0_13 (_ BitVec 32))) (or (not (= |ULTIMATE.start___ieee754_expf_#res| (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~0_13)))) (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~0_13))))} is VALID [2020-07-28 17:50:45,394 INFO L280 TraceCheckUtils]: 7: Hoare triple {599#(forall ((v_ULTIMATE.start_isinf_float_~ix~0_13 (_ BitVec 32))) (or (not (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode ULTIMATE.start___ieee754_expf_~x)) (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~0_13)))) (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~0_13))))} assume 0bv32 == __ieee754_expf_~xsb~0;__ieee754_expf_#t~ite2 := ~convertFLOATToDOUBLE(currentRoundingMode, __ieee754_expf_~x); {595#(forall ((v_ULTIMATE.start_isinf_float_~ix~0_13 (_ BitVec 32))) (or (not (= ((_ to_fp 8 24) currentRoundingMode |ULTIMATE.start___ieee754_expf_#t~ite2|) (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~0_13)))) (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~0_13))))} is VALID [2020-07-28 17:50:45,395 INFO L280 TraceCheckUtils]: 6: Hoare triple {599#(forall ((v_ULTIMATE.start_isinf_float_~ix~0_13 (_ BitVec 32))) (or (not (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode ULTIMATE.start___ieee754_expf_~x)) (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~0_13)))) (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~0_13))))} assume 2139095040bv32 == __ieee754_expf_~hx~0; {599#(forall ((v_ULTIMATE.start_isinf_float_~ix~0_13 (_ BitVec 32))) (or (not (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode ULTIMATE.start___ieee754_expf_~x)) (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~0_13)))) (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~0_13))))} is VALID [2020-07-28 17:50:45,395 INFO L280 TraceCheckUtils]: 5: Hoare triple {599#(forall ((v_ULTIMATE.start_isinf_float_~ix~0_13 (_ BitVec 32))) (or (not (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode ULTIMATE.start___ieee754_expf_~x)) (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~0_13)))) (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~0_13))))} assume !~bvugt32(__ieee754_expf_~hx~0, 2139095040bv32); {599#(forall ((v_ULTIMATE.start_isinf_float_~ix~0_13 (_ BitVec 32))) (or (not (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode ULTIMATE.start___ieee754_expf_~x)) (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~0_13)))) (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~0_13))))} is VALID [2020-07-28 17:50:45,396 INFO L280 TraceCheckUtils]: 4: Hoare triple {599#(forall ((v_ULTIMATE.start_isinf_float_~ix~0_13 (_ BitVec 32))) (or (not (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode ULTIMATE.start___ieee754_expf_~x)) (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~0_13)))) (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~0_13))))} __ieee754_expf_~xsb~0 := ~bvand32(1bv32, ~bvashr32(__ieee754_expf_~sx~0, 31bv32));__ieee754_expf_~hx~0 := ~bvand32(2147483647bv32, __ieee754_expf_~sx~0); {599#(forall ((v_ULTIMATE.start_isinf_float_~ix~0_13 (_ BitVec 32))) (or (not (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode ULTIMATE.start___ieee754_expf_~x)) (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~0_13)))) (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~0_13))))} is VALID [2020-07-28 17:50:45,397 INFO L280 TraceCheckUtils]: 3: Hoare triple {599#(forall ((v_ULTIMATE.start_isinf_float_~ix~0_13 (_ BitVec 32))) (or (not (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode ULTIMATE.start___ieee754_expf_~x)) (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~0_13)))) (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~0_13))))} goto; {599#(forall ((v_ULTIMATE.start_isinf_float_~ix~0_13 (_ BitVec 32))) (or (not (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode ULTIMATE.start___ieee754_expf_~x)) (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~0_13)))) (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~0_13))))} is VALID [2020-07-28 17:50:45,398 INFO L280 TraceCheckUtils]: 2: Hoare triple {599#(forall ((v_ULTIMATE.start_isinf_float_~ix~0_13 (_ BitVec 32))) (or (not (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode ULTIMATE.start___ieee754_expf_~x)) (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~0_13)))) (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~0_13))))} call __ieee754_expf_~#gf_u~0.base, __ieee754_expf_~#gf_u~0.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_expf_~x, __ieee754_expf_~#gf_u~0.base, __ieee754_expf_~#gf_u~0.offset, 4bv32);call __ieee754_expf_#t~mem0 := read~intINTTYPE4(__ieee754_expf_~#gf_u~0.base, __ieee754_expf_~#gf_u~0.offset, 4bv32);__ieee754_expf_~sx~0 := __ieee754_expf_#t~mem0;call write~intFLOATTYPE4(__ieee754_expf_#t~union1, __ieee754_expf_~#gf_u~0.base, __ieee754_expf_~#gf_u~0.offset, 4bv32);havoc __ieee754_expf_#t~union1;havoc __ieee754_expf_#t~mem0;call ULTIMATE.dealloc(__ieee754_expf_~#gf_u~0.base, __ieee754_expf_~#gf_u~0.offset);havoc __ieee754_expf_~#gf_u~0.base, __ieee754_expf_~#gf_u~0.offset; {599#(forall ((v_ULTIMATE.start_isinf_float_~ix~0_13 (_ BitVec 32))) (or (not (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode ULTIMATE.start___ieee754_expf_~x)) (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~0_13)))) (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~0_13))))} is VALID [2020-07-28 17:50:45,453 INFO L280 TraceCheckUtils]: 1: Hoare triple {511#true} havoc main_#res;havoc main_#t~ret18, main_#t~ret19, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());__ieee754_expf_#in~x := main_~x~0;havoc __ieee754_expf_#res;havoc __ieee754_expf_#t~mem0, __ieee754_expf_#t~union1, __ieee754_expf_~#gf_u~0.base, __ieee754_expf_~#gf_u~0.offset, __ieee754_expf_#t~ite2, __ieee754_expf_#t~mem3, __ieee754_expf_#t~mem4, __ieee754_expf_#t~mem5, __ieee754_expf_#t~mem6, __ieee754_expf_#t~mem7, __ieee754_expf_#t~mem8, __ieee754_expf_#t~union9, __ieee754_expf_~#gf_u~1.base, __ieee754_expf_~#gf_u~1.offset, __ieee754_expf_#t~mem10, __ieee754_expf_#t~union11, __ieee754_expf_~#sf_u~0.base, __ieee754_expf_~#sf_u~0.offset, __ieee754_expf_~hy~0, __ieee754_expf_#t~mem12, __ieee754_expf_#t~union13, __ieee754_expf_~#gf_u~2.base, __ieee754_expf_~#gf_u~2.offset, __ieee754_expf_#t~mem14, __ieee754_expf_#t~union15, __ieee754_expf_~#sf_u~1.base, __ieee754_expf_~#sf_u~1.offset, __ieee754_expf_~hy~1, __ieee754_expf_~x, __ieee754_expf_~y~0, __ieee754_expf_~hi~0, __ieee754_expf_~lo~0, __ieee754_expf_~c~0, __ieee754_expf_~t~0, __ieee754_expf_~k~0, __ieee754_expf_~xsb~0, __ieee754_expf_~sx~0, __ieee754_expf_~hx~0;__ieee754_expf_~x := __ieee754_expf_#in~x;havoc __ieee754_expf_~y~0;havoc __ieee754_expf_~hi~0;havoc __ieee754_expf_~lo~0;havoc __ieee754_expf_~c~0;havoc __ieee754_expf_~t~0;__ieee754_expf_~k~0 := 0bv32;havoc __ieee754_expf_~xsb~0;havoc __ieee754_expf_~sx~0;havoc __ieee754_expf_~hx~0; {599#(forall ((v_ULTIMATE.start_isinf_float_~ix~0_13 (_ BitVec 32))) (or (not (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode ULTIMATE.start___ieee754_expf_~x)) (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~0_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~0_13)))) (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~0_13))))} is VALID [2020-07-28 17:50:45,453 INFO L280 TraceCheckUtils]: 0: Hoare triple {511#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~one_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));call ~#halF_exp~0.base, ~#halF_exp~0.offset := #Ultimate.allocOnStack(8bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.5)), ~#halF_exp~0.base, ~#halF_exp~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.5))), ~#halF_exp~0.base, ~bvadd32(4bv32, ~#halF_exp~0.offset), 4bv32);~huge_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));~twom100_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.8886090522E-31));call ~#ln2HI_exp~0.base, ~#ln2HI_exp~0.offset := #Ultimate.allocOnStack(8bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.69313812256)), ~#ln2HI_exp~0.base, ~#ln2HI_exp~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.69313812256))), ~#ln2HI_exp~0.base, ~bvadd32(4bv32, ~#ln2HI_exp~0.offset), 4bv32);call ~#ln2LO_exp~0.base, ~#ln2LO_exp~0.offset := #Ultimate.allocOnStack(8bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 9.0580006145E-6)), ~#ln2LO_exp~0.base, ~#ln2LO_exp~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 9.0580006145E-6))), ~#ln2LO_exp~0.base, ~bvadd32(4bv32, ~#ln2LO_exp~0.offset), 4bv32);~invln2_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.4426950216));~P1_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.16666667163));~P2_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.002777777845)));~P3_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 6.613755977E-5));~P4_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 1.6533901999E-6)));~P5_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 4.1381369442E-8)); {511#true} is VALID [2020-07-28 17:50:45,455 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 17:50:45,455 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2093167573] [2020-07-28 17:50:45,456 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:50:45,456 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 17 [2020-07-28 17:50:45,456 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50335221] [2020-07-28 17:50:45,457 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 16 [2020-07-28 17:50:45,457 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:50:45,457 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states. [2020-07-28 17:50:45,913 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:50:45,913 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-28 17:50:45,913 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:50:45,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-28 17:50:45,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2020-07-28 17:50:45,915 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand 17 states. [2020-07-28 17:50:50,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:50:50,172 INFO L93 Difference]: Finished difference Result 26 states and 25 transitions. [2020-07-28 17:50:50,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-28 17:50:50,172 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 16 [2020-07-28 17:50:50,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:50:50,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-07-28 17:50:50,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 25 transitions. [2020-07-28 17:50:50,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-07-28 17:50:50,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 25 transitions. [2020-07-28 17:50:50,176 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 25 transitions. [2020-07-28 17:50:50,328 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:50:50,329 INFO L225 Difference]: With dead ends: 26 [2020-07-28 17:50:50,329 INFO L226 Difference]: Without dead ends: 17 [2020-07-28 17:50:50,330 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 14.2s TimeCoverageRelationStatistics Valid=112, Invalid=394, Unknown=0, NotChecked=0, Total=506 [2020-07-28 17:50:50,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-07-28 17:50:50,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2020-07-28 17:50:50,344 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:50:50,344 INFO L82 GeneralOperation]: Start isEquivalent. First operand 17 states. Second operand 17 states. [2020-07-28 17:50:50,344 INFO L74 IsIncluded]: Start isIncluded. First operand 17 states. Second operand 17 states. [2020-07-28 17:50:50,344 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 17 states. [2020-07-28 17:50:50,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:50:50,346 INFO L93 Difference]: Finished difference Result 17 states and 16 transitions. [2020-07-28 17:50:50,346 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2020-07-28 17:50:50,346 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:50:50,346 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:50:50,347 INFO L74 IsIncluded]: Start isIncluded. First operand 17 states. Second operand 17 states. [2020-07-28 17:50:50,347 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 17 states. [2020-07-28 17:50:50,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:50:50,348 INFO L93 Difference]: Finished difference Result 17 states and 16 transitions. [2020-07-28 17:50:50,348 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2020-07-28 17:50:50,349 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:50:50,349 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:50:50,349 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:50:50,349 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:50:50,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-07-28 17:50:50,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 16 transitions. [2020-07-28 17:50:50,358 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 16 transitions. Word has length 16 [2020-07-28 17:50:50,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:50:50,358 INFO L479 AbstractCegarLoop]: Abstraction has 17 states and 16 transitions. [2020-07-28 17:50:50,358 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-28 17:50:50,358 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2020-07-28 17:50:50,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 17:50:50,360 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:50:50,361 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:50:50,561 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-07-28 17:50:50,562 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:50:50,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:50:50,563 INFO L82 PathProgramCache]: Analyzing trace with hash -80105448, now seen corresponding path program 1 times [2020-07-28 17:50:50,563 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:50:50,564 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1239758422] [2020-07-28 17:50:50,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-07-28 17:50:51,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:50:51,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-28 17:50:51,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:50:51,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:50:51,211 INFO L280 TraceCheckUtils]: 0: Hoare triple {720#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~one_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));call ~#halF_exp~0.base, ~#halF_exp~0.offset := #Ultimate.allocOnStack(8bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.5)), ~#halF_exp~0.base, ~#halF_exp~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.5))), ~#halF_exp~0.base, ~bvadd32(4bv32, ~#halF_exp~0.offset), 4bv32);~huge_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));~twom100_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.8886090522E-31));call ~#ln2HI_exp~0.base, ~#ln2HI_exp~0.offset := #Ultimate.allocOnStack(8bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.69313812256)), ~#ln2HI_exp~0.base, ~#ln2HI_exp~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.69313812256))), ~#ln2HI_exp~0.base, ~bvadd32(4bv32, ~#ln2HI_exp~0.offset), 4bv32);call ~#ln2LO_exp~0.base, ~#ln2LO_exp~0.offset := #Ultimate.allocOnStack(8bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 9.0580006145E-6)), ~#ln2LO_exp~0.base, ~#ln2LO_exp~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 9.0580006145E-6))), ~#ln2LO_exp~0.base, ~bvadd32(4bv32, ~#ln2LO_exp~0.offset), 4bv32);~invln2_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.4426950216));~P1_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.16666667163));~P2_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.002777777845)));~P3_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 6.613755977E-5));~P4_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 1.6533901999E-6)));~P5_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 4.1381369442E-8)); {720#true} is VALID [2020-07-28 17:50:51,214 INFO L280 TraceCheckUtils]: 1: Hoare triple {720#true} havoc main_#res;havoc main_#t~ret18, main_#t~ret19, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());__ieee754_expf_#in~x := main_~x~0;havoc __ieee754_expf_#res;havoc __ieee754_expf_#t~mem0, __ieee754_expf_#t~union1, __ieee754_expf_~#gf_u~0.base, __ieee754_expf_~#gf_u~0.offset, __ieee754_expf_#t~ite2, __ieee754_expf_#t~mem3, __ieee754_expf_#t~mem4, __ieee754_expf_#t~mem5, __ieee754_expf_#t~mem6, __ieee754_expf_#t~mem7, __ieee754_expf_#t~mem8, __ieee754_expf_#t~union9, __ieee754_expf_~#gf_u~1.base, __ieee754_expf_~#gf_u~1.offset, __ieee754_expf_#t~mem10, __ieee754_expf_#t~union11, __ieee754_expf_~#sf_u~0.base, __ieee754_expf_~#sf_u~0.offset, __ieee754_expf_~hy~0, __ieee754_expf_#t~mem12, __ieee754_expf_#t~union13, __ieee754_expf_~#gf_u~2.base, __ieee754_expf_~#gf_u~2.offset, __ieee754_expf_#t~mem14, __ieee754_expf_#t~union15, __ieee754_expf_~#sf_u~1.base, __ieee754_expf_~#sf_u~1.offset, __ieee754_expf_~hy~1, __ieee754_expf_~x, __ieee754_expf_~y~0, __ieee754_expf_~hi~0, __ieee754_expf_~lo~0, __ieee754_expf_~c~0, __ieee754_expf_~t~0, __ieee754_expf_~k~0, __ieee754_expf_~xsb~0, __ieee754_expf_~sx~0, __ieee754_expf_~hx~0;__ieee754_expf_~x := __ieee754_expf_#in~x;havoc __ieee754_expf_~y~0;havoc __ieee754_expf_~hi~0;havoc __ieee754_expf_~lo~0;havoc __ieee754_expf_~c~0;havoc __ieee754_expf_~t~0;__ieee754_expf_~k~0 := 0bv32;havoc __ieee754_expf_~xsb~0;havoc __ieee754_expf_~sx~0;havoc __ieee754_expf_~hx~0; {728#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_expf_~x))} is VALID [2020-07-28 17:50:51,218 INFO L280 TraceCheckUtils]: 2: Hoare triple {728#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_expf_~x))} call __ieee754_expf_~#gf_u~0.base, __ieee754_expf_~#gf_u~0.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_expf_~x, __ieee754_expf_~#gf_u~0.base, __ieee754_expf_~#gf_u~0.offset, 4bv32);call __ieee754_expf_#t~mem0 := read~intINTTYPE4(__ieee754_expf_~#gf_u~0.base, __ieee754_expf_~#gf_u~0.offset, 4bv32);__ieee754_expf_~sx~0 := __ieee754_expf_#t~mem0;call write~intFLOATTYPE4(__ieee754_expf_#t~union1, __ieee754_expf_~#gf_u~0.base, __ieee754_expf_~#gf_u~0.offset, 4bv32);havoc __ieee754_expf_#t~union1;havoc __ieee754_expf_#t~mem0;call ULTIMATE.dealloc(__ieee754_expf_~#gf_u~0.base, __ieee754_expf_~#gf_u~0.offset);havoc __ieee754_expf_~#gf_u~0.base, __ieee754_expf_~#gf_u~0.offset; {732#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~sx~0))))} is VALID [2020-07-28 17:50:51,219 INFO L280 TraceCheckUtils]: 3: Hoare triple {732#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~sx~0))))} goto; {732#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~sx~0))))} is VALID [2020-07-28 17:50:51,222 INFO L280 TraceCheckUtils]: 4: Hoare triple {732#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~sx~0))))} __ieee754_expf_~xsb~0 := ~bvand32(1bv32, ~bvashr32(__ieee754_expf_~sx~0, 31bv32));__ieee754_expf_~hx~0 := ~bvand32(2147483647bv32, __ieee754_expf_~sx~0); {739#(exists ((ULTIMATE.start___ieee754_expf_~sx~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (bvand (_ bv1 32) (bvashr ULTIMATE.start___ieee754_expf_~sx~0 (_ bv31 32))) ULTIMATE.start___ieee754_expf_~xsb~0) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~sx~0)))))} is VALID [2020-07-28 17:50:51,223 INFO L280 TraceCheckUtils]: 5: Hoare triple {739#(exists ((ULTIMATE.start___ieee754_expf_~sx~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (bvand (_ bv1 32) (bvashr ULTIMATE.start___ieee754_expf_~sx~0 (_ bv31 32))) ULTIMATE.start___ieee754_expf_~xsb~0) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~sx~0)))))} assume !~bvugt32(__ieee754_expf_~hx~0, 2139095040bv32); {739#(exists ((ULTIMATE.start___ieee754_expf_~sx~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (bvand (_ bv1 32) (bvashr ULTIMATE.start___ieee754_expf_~sx~0 (_ bv31 32))) ULTIMATE.start___ieee754_expf_~xsb~0) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~sx~0)))))} is VALID [2020-07-28 17:50:51,223 INFO L280 TraceCheckUtils]: 6: Hoare triple {739#(exists ((ULTIMATE.start___ieee754_expf_~sx~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (bvand (_ bv1 32) (bvashr ULTIMATE.start___ieee754_expf_~sx~0 (_ bv31 32))) ULTIMATE.start___ieee754_expf_~xsb~0) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~sx~0)))))} assume 2139095040bv32 == __ieee754_expf_~hx~0; {739#(exists ((ULTIMATE.start___ieee754_expf_~sx~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (bvand (_ bv1 32) (bvashr ULTIMATE.start___ieee754_expf_~sx~0 (_ bv31 32))) ULTIMATE.start___ieee754_expf_~xsb~0) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~sx~0)))))} is VALID [2020-07-28 17:50:51,231 INFO L280 TraceCheckUtils]: 7: Hoare triple {739#(exists ((ULTIMATE.start___ieee754_expf_~sx~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (bvand (_ bv1 32) (bvashr ULTIMATE.start___ieee754_expf_~sx~0 (_ bv31 32))) ULTIMATE.start___ieee754_expf_~xsb~0) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~sx~0)))))} assume !(0bv32 == __ieee754_expf_~xsb~0);__ieee754_expf_#t~ite2 := ~Pluszero~DOUBLE(); {721#false} is VALID [2020-07-28 17:50:51,231 INFO L280 TraceCheckUtils]: 8: Hoare triple {721#false} __ieee754_expf_#res := ~convertDOUBLEToFLOAT(currentRoundingMode, __ieee754_expf_#t~ite2);havoc __ieee754_expf_#t~ite2; {721#false} is VALID [2020-07-28 17:50:51,231 INFO L280 TraceCheckUtils]: 9: Hoare triple {721#false} main_#t~ret18 := __ieee754_expf_#res;main_~res~0 := main_#t~ret18;havoc main_#t~ret18;isinf_float_#in~x := main_~res~0;havoc isinf_float_#res;havoc isinf_float_#t~mem16, isinf_float_#t~union17, isinf_float_~#gf_u~3.base, isinf_float_~#gf_u~3.offset, isinf_float_~x, isinf_float_~ix~0;isinf_float_~x := isinf_float_#in~x;havoc isinf_float_~ix~0; {721#false} is VALID [2020-07-28 17:50:51,232 INFO L280 TraceCheckUtils]: 10: Hoare triple {721#false} call isinf_float_~#gf_u~3.base, isinf_float_~#gf_u~3.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(isinf_float_~x, isinf_float_~#gf_u~3.base, isinf_float_~#gf_u~3.offset, 4bv32);call isinf_float_#t~mem16 := read~intINTTYPE4(isinf_float_~#gf_u~3.base, isinf_float_~#gf_u~3.offset, 4bv32);isinf_float_~ix~0 := isinf_float_#t~mem16;call write~intFLOATTYPE4(isinf_float_#t~union17, isinf_float_~#gf_u~3.base, isinf_float_~#gf_u~3.offset, 4bv32);havoc isinf_float_#t~mem16;havoc isinf_float_#t~union17;call ULTIMATE.dealloc(isinf_float_~#gf_u~3.base, isinf_float_~#gf_u~3.offset);havoc isinf_float_~#gf_u~3.base, isinf_float_~#gf_u~3.offset; {721#false} is VALID [2020-07-28 17:50:51,232 INFO L280 TraceCheckUtils]: 11: Hoare triple {721#false} goto; {721#false} is VALID [2020-07-28 17:50:51,233 INFO L280 TraceCheckUtils]: 12: Hoare triple {721#false} isinf_float_~ix~0 := ~bvand32(2147483647bv32, isinf_float_~ix~0);isinf_float_#res := (if 2139095040bv32 == isinf_float_~ix~0 then 1bv32 else 0bv32); {721#false} is VALID [2020-07-28 17:50:51,233 INFO L280 TraceCheckUtils]: 13: Hoare triple {721#false} main_#t~ret19 := isinf_float_#res; {721#false} is VALID [2020-07-28 17:50:51,233 INFO L280 TraceCheckUtils]: 14: Hoare triple {721#false} assume 0bv32 == main_#t~ret19;havoc main_#t~ret19; {721#false} is VALID [2020-07-28 17:50:51,233 INFO L280 TraceCheckUtils]: 15: Hoare triple {721#false} assume !false; {721#false} is VALID [2020-07-28 17:50:51,236 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 17:50:51,236 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:50:51,375 INFO L280 TraceCheckUtils]: 15: Hoare triple {721#false} assume !false; {721#false} is VALID [2020-07-28 17:50:51,376 INFO L280 TraceCheckUtils]: 14: Hoare triple {721#false} assume 0bv32 == main_#t~ret19;havoc main_#t~ret19; {721#false} is VALID [2020-07-28 17:50:51,376 INFO L280 TraceCheckUtils]: 13: Hoare triple {721#false} main_#t~ret19 := isinf_float_#res; {721#false} is VALID [2020-07-28 17:50:51,376 INFO L280 TraceCheckUtils]: 12: Hoare triple {721#false} isinf_float_~ix~0 := ~bvand32(2147483647bv32, isinf_float_~ix~0);isinf_float_#res := (if 2139095040bv32 == isinf_float_~ix~0 then 1bv32 else 0bv32); {721#false} is VALID [2020-07-28 17:50:51,377 INFO L280 TraceCheckUtils]: 11: Hoare triple {721#false} goto; {721#false} is VALID [2020-07-28 17:50:51,377 INFO L280 TraceCheckUtils]: 10: Hoare triple {721#false} call isinf_float_~#gf_u~3.base, isinf_float_~#gf_u~3.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(isinf_float_~x, isinf_float_~#gf_u~3.base, isinf_float_~#gf_u~3.offset, 4bv32);call isinf_float_#t~mem16 := read~intINTTYPE4(isinf_float_~#gf_u~3.base, isinf_float_~#gf_u~3.offset, 4bv32);isinf_float_~ix~0 := isinf_float_#t~mem16;call write~intFLOATTYPE4(isinf_float_#t~union17, isinf_float_~#gf_u~3.base, isinf_float_~#gf_u~3.offset, 4bv32);havoc isinf_float_#t~mem16;havoc isinf_float_#t~union17;call ULTIMATE.dealloc(isinf_float_~#gf_u~3.base, isinf_float_~#gf_u~3.offset);havoc isinf_float_~#gf_u~3.base, isinf_float_~#gf_u~3.offset; {721#false} is VALID [2020-07-28 17:50:51,378 INFO L280 TraceCheckUtils]: 9: Hoare triple {721#false} main_#t~ret18 := __ieee754_expf_#res;main_~res~0 := main_#t~ret18;havoc main_#t~ret18;isinf_float_#in~x := main_~res~0;havoc isinf_float_#res;havoc isinf_float_#t~mem16, isinf_float_#t~union17, isinf_float_~#gf_u~3.base, isinf_float_~#gf_u~3.offset, isinf_float_~x, isinf_float_~ix~0;isinf_float_~x := isinf_float_#in~x;havoc isinf_float_~ix~0; {721#false} is VALID [2020-07-28 17:50:51,378 INFO L280 TraceCheckUtils]: 8: Hoare triple {721#false} __ieee754_expf_#res := ~convertDOUBLEToFLOAT(currentRoundingMode, __ieee754_expf_#t~ite2);havoc __ieee754_expf_#t~ite2; {721#false} is VALID [2020-07-28 17:50:51,380 INFO L280 TraceCheckUtils]: 7: Hoare triple {797#(= ULTIMATE.start___ieee754_expf_~xsb~0 (_ bv0 32))} assume !(0bv32 == __ieee754_expf_~xsb~0);__ieee754_expf_#t~ite2 := ~Pluszero~DOUBLE(); {721#false} is VALID [2020-07-28 17:50:51,381 INFO L280 TraceCheckUtils]: 6: Hoare triple {797#(= ULTIMATE.start___ieee754_expf_~xsb~0 (_ bv0 32))} assume 2139095040bv32 == __ieee754_expf_~hx~0; {797#(= ULTIMATE.start___ieee754_expf_~xsb~0 (_ bv0 32))} is VALID [2020-07-28 17:50:51,382 INFO L280 TraceCheckUtils]: 5: Hoare triple {797#(= ULTIMATE.start___ieee754_expf_~xsb~0 (_ bv0 32))} assume !~bvugt32(__ieee754_expf_~hx~0, 2139095040bv32); {797#(= ULTIMATE.start___ieee754_expf_~xsb~0 (_ bv0 32))} is VALID [2020-07-28 17:50:51,386 INFO L280 TraceCheckUtils]: 4: Hoare triple {807#(= (bvand (_ bv1 32) (bvashr ULTIMATE.start___ieee754_expf_~sx~0 (_ bv31 32))) (_ bv0 32))} __ieee754_expf_~xsb~0 := ~bvand32(1bv32, ~bvashr32(__ieee754_expf_~sx~0, 31bv32));__ieee754_expf_~hx~0 := ~bvand32(2147483647bv32, __ieee754_expf_~sx~0); {797#(= ULTIMATE.start___ieee754_expf_~xsb~0 (_ bv0 32))} is VALID [2020-07-28 17:50:51,387 INFO L280 TraceCheckUtils]: 3: Hoare triple {807#(= (bvand (_ bv1 32) (bvashr ULTIMATE.start___ieee754_expf_~sx~0 (_ bv31 32))) (_ bv0 32))} goto; {807#(= (bvand (_ bv1 32) (bvashr ULTIMATE.start___ieee754_expf_~sx~0 (_ bv31 32))) (_ bv0 32))} is VALID [2020-07-28 17:50:51,390 INFO L280 TraceCheckUtils]: 2: Hoare triple {814#(forall ((v_ULTIMATE.start___ieee754_expf_~sx~0_13 (_ BitVec 32))) (or (= (_ bv0 32) (bvand (_ bv1 32) (bvashr v_ULTIMATE.start___ieee754_expf_~sx~0_13 (_ bv31 32)))) (not (= ULTIMATE.start___ieee754_expf_~x (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_expf_~sx~0_13) ((_ extract 30 23) v_ULTIMATE.start___ieee754_expf_~sx~0_13) ((_ extract 22 0) v_ULTIMATE.start___ieee754_expf_~sx~0_13))))))} call __ieee754_expf_~#gf_u~0.base, __ieee754_expf_~#gf_u~0.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_expf_~x, __ieee754_expf_~#gf_u~0.base, __ieee754_expf_~#gf_u~0.offset, 4bv32);call __ieee754_expf_#t~mem0 := read~intINTTYPE4(__ieee754_expf_~#gf_u~0.base, __ieee754_expf_~#gf_u~0.offset, 4bv32);__ieee754_expf_~sx~0 := __ieee754_expf_#t~mem0;call write~intFLOATTYPE4(__ieee754_expf_#t~union1, __ieee754_expf_~#gf_u~0.base, __ieee754_expf_~#gf_u~0.offset, 4bv32);havoc __ieee754_expf_#t~union1;havoc __ieee754_expf_#t~mem0;call ULTIMATE.dealloc(__ieee754_expf_~#gf_u~0.base, __ieee754_expf_~#gf_u~0.offset);havoc __ieee754_expf_~#gf_u~0.base, __ieee754_expf_~#gf_u~0.offset; {807#(= (bvand (_ bv1 32) (bvashr ULTIMATE.start___ieee754_expf_~sx~0 (_ bv31 32))) (_ bv0 32))} is VALID [2020-07-28 17:50:51,394 INFO L280 TraceCheckUtils]: 1: Hoare triple {720#true} havoc main_#res;havoc main_#t~ret18, main_#t~ret19, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());__ieee754_expf_#in~x := main_~x~0;havoc __ieee754_expf_#res;havoc __ieee754_expf_#t~mem0, __ieee754_expf_#t~union1, __ieee754_expf_~#gf_u~0.base, __ieee754_expf_~#gf_u~0.offset, __ieee754_expf_#t~ite2, __ieee754_expf_#t~mem3, __ieee754_expf_#t~mem4, __ieee754_expf_#t~mem5, __ieee754_expf_#t~mem6, __ieee754_expf_#t~mem7, __ieee754_expf_#t~mem8, __ieee754_expf_#t~union9, __ieee754_expf_~#gf_u~1.base, __ieee754_expf_~#gf_u~1.offset, __ieee754_expf_#t~mem10, __ieee754_expf_#t~union11, __ieee754_expf_~#sf_u~0.base, __ieee754_expf_~#sf_u~0.offset, __ieee754_expf_~hy~0, __ieee754_expf_#t~mem12, __ieee754_expf_#t~union13, __ieee754_expf_~#gf_u~2.base, __ieee754_expf_~#gf_u~2.offset, __ieee754_expf_#t~mem14, __ieee754_expf_#t~union15, __ieee754_expf_~#sf_u~1.base, __ieee754_expf_~#sf_u~1.offset, __ieee754_expf_~hy~1, __ieee754_expf_~x, __ieee754_expf_~y~0, __ieee754_expf_~hi~0, __ieee754_expf_~lo~0, __ieee754_expf_~c~0, __ieee754_expf_~t~0, __ieee754_expf_~k~0, __ieee754_expf_~xsb~0, __ieee754_expf_~sx~0, __ieee754_expf_~hx~0;__ieee754_expf_~x := __ieee754_expf_#in~x;havoc __ieee754_expf_~y~0;havoc __ieee754_expf_~hi~0;havoc __ieee754_expf_~lo~0;havoc __ieee754_expf_~c~0;havoc __ieee754_expf_~t~0;__ieee754_expf_~k~0 := 0bv32;havoc __ieee754_expf_~xsb~0;havoc __ieee754_expf_~sx~0;havoc __ieee754_expf_~hx~0; {814#(forall ((v_ULTIMATE.start___ieee754_expf_~sx~0_13 (_ BitVec 32))) (or (= (_ bv0 32) (bvand (_ bv1 32) (bvashr v_ULTIMATE.start___ieee754_expf_~sx~0_13 (_ bv31 32)))) (not (= ULTIMATE.start___ieee754_expf_~x (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_expf_~sx~0_13) ((_ extract 30 23) v_ULTIMATE.start___ieee754_expf_~sx~0_13) ((_ extract 22 0) v_ULTIMATE.start___ieee754_expf_~sx~0_13))))))} is VALID [2020-07-28 17:50:51,394 INFO L280 TraceCheckUtils]: 0: Hoare triple {720#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~one_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));call ~#halF_exp~0.base, ~#halF_exp~0.offset := #Ultimate.allocOnStack(8bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.5)), ~#halF_exp~0.base, ~#halF_exp~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.5))), ~#halF_exp~0.base, ~bvadd32(4bv32, ~#halF_exp~0.offset), 4bv32);~huge_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));~twom100_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.8886090522E-31));call ~#ln2HI_exp~0.base, ~#ln2HI_exp~0.offset := #Ultimate.allocOnStack(8bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.69313812256)), ~#ln2HI_exp~0.base, ~#ln2HI_exp~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.69313812256))), ~#ln2HI_exp~0.base, ~bvadd32(4bv32, ~#ln2HI_exp~0.offset), 4bv32);call ~#ln2LO_exp~0.base, ~#ln2LO_exp~0.offset := #Ultimate.allocOnStack(8bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 9.0580006145E-6)), ~#ln2LO_exp~0.base, ~#ln2LO_exp~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 9.0580006145E-6))), ~#ln2LO_exp~0.base, ~bvadd32(4bv32, ~#ln2LO_exp~0.offset), 4bv32);~invln2_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.4426950216));~P1_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.16666667163));~P2_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.002777777845)));~P3_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 6.613755977E-5));~P4_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 1.6533901999E-6)));~P5_exp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 4.1381369442E-8)); {720#true} is VALID [2020-07-28 17:50:51,395 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 17:50:51,395 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1239758422] [2020-07-28 17:50:51,396 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:50:51,396 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-07-28 17:50:51,396 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621690453] [2020-07-28 17:50:51,396 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2020-07-28 17:50:51,397 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:50:51,397 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-28 17:50:51,482 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:50:51,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-28 17:50:51,482 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:50:51,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-28 17:50:51,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-28 17:50:51,483 INFO L87 Difference]: Start difference. First operand 17 states and 16 transitions. Second operand 8 states. [2020-07-28 17:50:51,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:50:51,745 INFO L93 Difference]: Finished difference Result 17 states and 16 transitions. [2020-07-28 17:50:51,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 17:50:51,745 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2020-07-28 17:50:51,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:50:51,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-28 17:50:51,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2020-07-28 17:50:51,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-28 17:50:51,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2020-07-28 17:50:51,748 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 16 transitions. [2020-07-28 17:50:51,834 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:50:51,835 INFO L225 Difference]: With dead ends: 17 [2020-07-28 17:50:51,835 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 17:50:51,835 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-07-28 17:50:51,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 17:50:51,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 17:50:51,836 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:50:51,836 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 17:50:51,836 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 17:50:51,837 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 17:50:51,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:50:51,837 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 17:50:51,837 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:50:51,837 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:50:51,838 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:50:51,838 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 17:50:51,838 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 17:50:51,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:50:51,838 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 17:50:51,838 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:50:51,839 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:50:51,839 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:50:51,839 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:50:51,839 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:50:51,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 17:50:51,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 17:50:51,839 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2020-07-28 17:50:51,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:50:51,839 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 17:50:51,840 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-28 17:50:51,840 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:50:51,840 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:50:52,040 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-07-28 17:50:52,044 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 17:50:52,244 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 31 [2020-07-28 17:50:52,363 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2020-07-28 17:50:52,526 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2020-07-28 17:50:52,530 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-28 17:50:52,530 INFO L268 CegarLoopResult]: For program point L52-2(line 52) no Hoare annotation was computed. [2020-07-28 17:50:52,530 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-07-28 17:50:52,530 INFO L268 CegarLoopResult]: For program point L102(lines 102 106) no Hoare annotation was computed. [2020-07-28 17:50:52,530 INFO L268 CegarLoopResult]: For program point L102-1(lines 95 108) no Hoare annotation was computed. [2020-07-28 17:50:52,531 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 106) no Hoare annotation was computed. [2020-07-28 17:50:52,531 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 17:50:52,531 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 17:50:52,531 INFO L268 CegarLoopResult]: For program point L53(lines 53 54) no Hoare annotation was computed. [2020-07-28 17:50:52,531 INFO L268 CegarLoopResult]: For program point L78(lines 78 81) no Hoare annotation was computed. [2020-07-28 17:50:52,531 INFO L268 CegarLoopResult]: For program point L70(lines 70 73) no Hoare annotation was computed. [2020-07-28 17:50:52,531 INFO L268 CegarLoopResult]: For program point L70-2(lines 58 73) no Hoare annotation was computed. [2020-07-28 17:50:52,532 INFO L264 CegarLoopResult]: At program point L120(lines 112 121) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))))) (and (= |ULTIMATE.start___ieee754_expf_#res| .cse0) (= (_ bv0 32) (bvadd |ULTIMATE.start_isinf_float_#res| (_ bv4294967295 32))) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_expf_~x) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~sx~0)))) (exists ((ULTIMATE.start___ieee754_expf_~sx~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start___ieee754_expf_~hx~0 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_expf_~sx~0)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~sx~0))))) (= (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~0) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~0) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~0)) .cse0) (= currentRoundingMode roundNearestTiesToEven) (= .cse0 ULTIMATE.start_isinf_float_~x))) [2020-07-28 17:50:52,532 INFO L268 CegarLoopResult]: For program point L71(lines 71 72) no Hoare annotation was computed. [2020-07-28 17:50:52,532 INFO L268 CegarLoopResult]: For program point L55(lines 55 56) no Hoare annotation was computed. [2020-07-28 17:50:52,532 INFO L268 CegarLoopResult]: For program point L97-1(lines 97 101) no Hoare annotation was computed. [2020-07-28 17:50:52,532 INFO L264 CegarLoopResult]: At program point L97-2(lines 97 101) the Hoare annotation is: false [2020-07-28 17:50:52,532 INFO L268 CegarLoopResult]: For program point L89(lines 89 93) no Hoare annotation was computed. [2020-07-28 17:50:52,532 INFO L268 CegarLoopResult]: For program point L89-1(lines 82 95) no Hoare annotation was computed. [2020-07-28 17:50:52,532 INFO L268 CegarLoopResult]: For program point L89-2(lines 89 93) no Hoare annotation was computed. [2020-07-28 17:50:52,532 INFO L268 CegarLoopResult]: For program point L114-1(lines 114 118) no Hoare annotation was computed. [2020-07-28 17:50:52,533 INFO L264 CegarLoopResult]: At program point L114-2(lines 114 118) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))))) (and (= |ULTIMATE.start___ieee754_expf_#res| .cse0) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_expf_~x) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~sx~0)))) (exists ((ULTIMATE.start___ieee754_expf_~sx~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start___ieee754_expf_~hx~0 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_expf_~sx~0)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~sx~0))))) (= currentRoundingMode roundNearestTiesToEven) (= .cse0 ULTIMATE.start_isinf_float_~x))) [2020-07-28 17:50:52,533 INFO L268 CegarLoopResult]: For program point L114-3(lines 114 118) no Hoare annotation was computed. [2020-07-28 17:50:52,533 INFO L271 CegarLoopResult]: At program point L139(lines 123 140) the Hoare annotation is: true [2020-07-28 17:50:52,534 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 17:50:52,534 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 135) no Hoare annotation was computed. [2020-07-28 17:50:52,534 INFO L268 CegarLoopResult]: For program point L82(lines 82 108) no Hoare annotation was computed. [2020-07-28 17:50:52,534 INFO L268 CegarLoopResult]: For program point L49(lines 49 50) no Hoare annotation was computed. [2020-07-28 17:50:52,535 INFO L264 CegarLoopResult]: At program point L107(lines 36 109) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_expf_#res| ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))))) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_expf_~x) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~sx~0)))) (exists ((ULTIMATE.start___ieee754_expf_~sx~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start___ieee754_expf_~hx~0 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_expf_~sx~0)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~sx~0))))) (= currentRoundingMode roundNearestTiesToEven)) [2020-07-28 17:50:52,535 INFO L268 CegarLoopResult]: For program point L41-1(lines 41 45) no Hoare annotation was computed. [2020-07-28 17:50:52,535 INFO L264 CegarLoopResult]: At program point L41-2(lines 41 45) the Hoare annotation is: (and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_expf_~x) (= currentRoundingMode roundNearestTiesToEven)) [2020-07-28 17:50:52,535 INFO L268 CegarLoopResult]: For program point L41-3(lines 41 45) no Hoare annotation was computed. [2020-07-28 17:50:52,535 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 17:50:52,536 INFO L268 CegarLoopResult]: For program point L58(lines 58 73) no Hoare annotation was computed. [2020-07-28 17:50:52,536 INFO L268 CegarLoopResult]: For program point L59(lines 59 68) no Hoare annotation was computed. [2020-07-28 17:50:52,536 INFO L268 CegarLoopResult]: For program point L59-2(lines 59 68) no Hoare annotation was computed. [2020-07-28 17:50:52,536 INFO L268 CegarLoopResult]: For program point L51(lines 51 52) no Hoare annotation was computed. [2020-07-28 17:50:52,536 INFO L268 CegarLoopResult]: For program point L84-1(lines 84 88) no Hoare annotation was computed. [2020-07-28 17:50:52,537 INFO L264 CegarLoopResult]: At program point L84-2(lines 84 88) the Hoare annotation is: false [2020-07-28 17:50:52,537 INFO L268 CegarLoopResult]: For program point L134(lines 134 137) no Hoare annotation was computed. [2020-07-28 17:50:52,541 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 17:50:52,542 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 17:50:52,542 WARN L170 areAnnotationChecker]: L41-1 has no Hoare annotation [2020-07-28 17:50:52,542 WARN L170 areAnnotationChecker]: L41-3 has no Hoare annotation [2020-07-28 17:50:52,542 WARN L170 areAnnotationChecker]: L41-1 has no Hoare annotation [2020-07-28 17:50:52,542 WARN L170 areAnnotationChecker]: L41-1 has no Hoare annotation [2020-07-28 17:50:52,543 WARN L170 areAnnotationChecker]: L41-3 has no Hoare annotation [2020-07-28 17:50:52,543 WARN L170 areAnnotationChecker]: L49 has no Hoare annotation [2020-07-28 17:50:52,543 WARN L170 areAnnotationChecker]: L49 has no Hoare annotation [2020-07-28 17:50:52,545 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-28 17:50:52,546 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-28 17:50:52,546 WARN L170 areAnnotationChecker]: L114-1 has no Hoare annotation [2020-07-28 17:50:52,546 WARN L170 areAnnotationChecker]: L114-3 has no Hoare annotation [2020-07-28 17:50:52,546 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2020-07-28 17:50:52,546 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2020-07-28 17:50:52,546 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-28 17:50:52,546 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-28 17:50:52,546 WARN L170 areAnnotationChecker]: L114-1 has no Hoare annotation [2020-07-28 17:50:52,546 WARN L170 areAnnotationChecker]: L114-1 has no Hoare annotation [2020-07-28 17:50:52,546 WARN L170 areAnnotationChecker]: L114-3 has no Hoare annotation [2020-07-28 17:50:52,547 WARN L170 areAnnotationChecker]: L52-2 has no Hoare annotation [2020-07-28 17:50:52,547 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-28 17:50:52,547 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-28 17:50:52,547 WARN L170 areAnnotationChecker]: L134 has no Hoare annotation [2020-07-28 17:50:52,547 WARN L170 areAnnotationChecker]: L58 has no Hoare annotation [2020-07-28 17:50:52,547 WARN L170 areAnnotationChecker]: L58 has no Hoare annotation [2020-07-28 17:50:52,547 WARN L170 areAnnotationChecker]: L134 has no Hoare annotation [2020-07-28 17:50:52,547 WARN L170 areAnnotationChecker]: L134 has no Hoare annotation [2020-07-28 17:50:52,547 WARN L170 areAnnotationChecker]: L59 has no Hoare annotation [2020-07-28 17:50:52,547 WARN L170 areAnnotationChecker]: L59 has no Hoare annotation [2020-07-28 17:50:52,547 WARN L170 areAnnotationChecker]: L70 has no Hoare annotation [2020-07-28 17:50:52,548 WARN L170 areAnnotationChecker]: L70 has no Hoare annotation [2020-07-28 17:50:52,548 WARN L170 areAnnotationChecker]: L135 has no Hoare annotation [2020-07-28 17:50:52,548 WARN L170 areAnnotationChecker]: L135 has no Hoare annotation [2020-07-28 17:50:52,548 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:50:52,548 WARN L170 areAnnotationChecker]: L59-2 has no Hoare annotation [2020-07-28 17:50:52,548 WARN L170 areAnnotationChecker]: L71 has no Hoare annotation [2020-07-28 17:50:52,548 WARN L170 areAnnotationChecker]: L71 has no Hoare annotation [2020-07-28 17:50:52,548 WARN L170 areAnnotationChecker]: L70-2 has no Hoare annotation [2020-07-28 17:50:52,548 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:50:52,548 WARN L170 areAnnotationChecker]: L78 has no Hoare annotation [2020-07-28 17:50:52,549 WARN L170 areAnnotationChecker]: L78 has no Hoare annotation [2020-07-28 17:50:52,549 WARN L170 areAnnotationChecker]: L82 has no Hoare annotation [2020-07-28 17:50:52,549 WARN L170 areAnnotationChecker]: L82 has no Hoare annotation [2020-07-28 17:50:52,549 WARN L170 areAnnotationChecker]: L84-1 has no Hoare annotation [2020-07-28 17:50:52,549 WARN L170 areAnnotationChecker]: L89-1 has no Hoare annotation [2020-07-28 17:50:52,549 WARN L170 areAnnotationChecker]: L97-1 has no Hoare annotation [2020-07-28 17:50:52,549 WARN L170 areAnnotationChecker]: L102-1 has no Hoare annotation [2020-07-28 17:50:52,549 WARN L170 areAnnotationChecker]: L84-1 has no Hoare annotation [2020-07-28 17:50:52,549 WARN L170 areAnnotationChecker]: L84-1 has no Hoare annotation [2020-07-28 17:50:52,549 WARN L170 areAnnotationChecker]: L89-1 has no Hoare annotation [2020-07-28 17:50:52,549 WARN L170 areAnnotationChecker]: L89-1 has no Hoare annotation [2020-07-28 17:50:52,550 WARN L170 areAnnotationChecker]: L97-1 has no Hoare annotation [2020-07-28 17:50:52,550 WARN L170 areAnnotationChecker]: L97-1 has no Hoare annotation [2020-07-28 17:50:52,550 WARN L170 areAnnotationChecker]: L102-1 has no Hoare annotation [2020-07-28 17:50:52,550 WARN L170 areAnnotationChecker]: L102-1 has no Hoare annotation [2020-07-28 17:50:52,550 WARN L170 areAnnotationChecker]: L89 has no Hoare annotation [2020-07-28 17:50:52,550 WARN L170 areAnnotationChecker]: L89 has no Hoare annotation [2020-07-28 17:50:52,550 WARN L170 areAnnotationChecker]: L89-2 has no Hoare annotation [2020-07-28 17:50:52,550 WARN L170 areAnnotationChecker]: L102 has no Hoare annotation [2020-07-28 17:50:52,550 WARN L170 areAnnotationChecker]: L102 has no Hoare annotation [2020-07-28 17:50:52,550 WARN L170 areAnnotationChecker]: L102-2 has no Hoare annotation [2020-07-28 17:50:52,550 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 17:50:52,562 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,564 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,564 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,564 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,565 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,565 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,565 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,566 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,566 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,566 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,566 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,567 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,567 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,567 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,567 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,568 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,568 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,570 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:52,571 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:52,571 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:52,583 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,583 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,583 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,584 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,584 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,584 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,585 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,586 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,586 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,586 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,586 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,586 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,586 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,587 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,587 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,587 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,587 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,587 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:52,588 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:52,588 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:52,588 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,589 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,589 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,590 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,590 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,591 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,591 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,591 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,591 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,592 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,592 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,592 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,592 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,593 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:52,593 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:52,594 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:52,594 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,594 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,595 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,595 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,595 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,595 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,596 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,596 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,596 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,596 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,597 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,597 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,597 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,598 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:52,598 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:52,598 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:52,599 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:52,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:52,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:52,601 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,601 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:52,601 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:52,601 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:52,602 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,603 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,603 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,603 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,604 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,604 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,604 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,604 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,605 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,605 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,605 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,606 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,606 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,606 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,606 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,607 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,607 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,607 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,607 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,608 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,608 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,609 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:52,609 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:52,609 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:52,610 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,610 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,611 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,611 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,611 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,611 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,612 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,612 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,612 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,612 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,613 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,613 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,613 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,613 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,614 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,614 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,614 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,615 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,615 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,615 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,615 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,616 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:52,616 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:52,617 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:52,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 05:50:52 BoogieIcfgContainer [2020-07-28 17:50:52,619 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 17:50:52,620 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 17:50:52,620 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 17:50:52,620 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 17:50:52,621 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:50:14" (3/4) ... [2020-07-28 17:50:52,626 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 17:50:52,639 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-07-28 17:50:52,640 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-07-28 17:50:52,641 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 17:50:52,674 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) == x) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]))) && (\exists ULTIMATE.start___ieee754_expf_~sx~0 : bv32, currentRoundingMode : FloatRoundingMode :: hx == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_expf_~sx~0) && ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_expf_~sx~0[31:31], ULTIMATE.start___ieee754_expf_~sx~0[30:23], ULTIMATE.start___ieee754_expf_~sx~0[22:0]))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2020-07-28 17:50:52,675 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) == x) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]))) && (\exists ULTIMATE.start___ieee754_expf_~sx~0 : bv32, currentRoundingMode : FloatRoundingMode :: hx == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_expf_~sx~0) && ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_expf_~sx~0[31:31], ULTIMATE.start___ieee754_expf_~sx~0[30:23], ULTIMATE.start___ieee754_expf_~sx~0[22:0]))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) == x [2020-07-28 17:50:52,676 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) == x) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]))) && (\exists ULTIMATE.start___ieee754_expf_~sx~0 : bv32, currentRoundingMode : FloatRoundingMode :: hx == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_expf_~sx~0) && ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_expf_~sx~0[31:31], ULTIMATE.start___ieee754_expf_~sx~0[30:23], ULTIMATE.start___ieee754_expf_~sx~0[22:0]))) && ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) == x [2020-07-28 17:50:52,730 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 17:50:52,731 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 17:50:52,733 INFO L168 Benchmark]: Toolchain (without parser) took 48526.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 197.1 MB). Free memory was 956.2 MB in the beginning and 975.2 MB in the end (delta: -19.0 MB). Peak memory consumption was 178.1 MB. Max. memory is 11.5 GB. [2020-07-28 17:50:52,734 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:50:52,734 INFO L168 Benchmark]: CACSL2BoogieTranslator took 534.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -171.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2020-07-28 17:50:52,735 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.21 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 17:50:52,736 INFO L168 Benchmark]: Boogie Preprocessor took 49.21 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: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. [2020-07-28 17:50:52,736 INFO L168 Benchmark]: RCFGBuilder took 9714.21 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: 45.6 MB). Peak memory consumption was 45.6 MB. Max. memory is 11.5 GB. [2020-07-28 17:50:52,737 INFO L168 Benchmark]: TraceAbstraction took 38032.75 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 59.8 MB). Free memory was 1.1 GB in the beginning and 982.5 MB in the end (delta: 91.1 MB). Peak memory consumption was 150.8 MB. Max. memory is 11.5 GB. [2020-07-28 17:50:52,737 INFO L168 Benchmark]: Witness Printer took 111.09 ms. Allocated memory is still 1.2 GB. Free memory was 982.5 MB in the beginning and 975.2 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2020-07-28 17:50:52,740 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 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 534.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -171.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 74.21 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 49.21 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: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 9714.21 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: 45.6 MB). Peak memory consumption was 45.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 38032.75 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 59.8 MB). Free memory was 1.1 GB in the beginning and 982.5 MB in the end (delta: 91.1 MB). Peak memory consumption was 150.8 MB. Max. memory is 11.5 GB. * Witness Printer took 111.09 ms. Allocated memory is still 1.2 GB. Free memory was 982.5 MB in the beginning and 975.2 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 135]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 114]: Loop Invariant [2020-07-28 17:50:52,758 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,759 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,759 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,759 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,764 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,765 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,765 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,765 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,765 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,765 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,766 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,766 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,766 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,766 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,766 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,766 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,767 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,767 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:52,767 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:52,768 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:52,770 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,770 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,771 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,771 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,771 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,771 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,771 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,771 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,772 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,772 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,772 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,772 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,772 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,772 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,773 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,773 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,773 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,776 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:52,777 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:52,777 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((\result == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) == x) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]))) && (\exists ULTIMATE.start___ieee754_expf_~sx~0 : bv32, currentRoundingMode : FloatRoundingMode :: hx == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_expf_~sx~0) && ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_expf_~sx~0[31:31], ULTIMATE.start___ieee754_expf_~sx~0[30:23], ULTIMATE.start___ieee754_expf_~sx~0[22:0]))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) == x - InvariantResult [Line: 36]: Loop Invariant [2020-07-28 17:50:52,778 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,778 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,779 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,779 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,779 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,779 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,780 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,780 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,780 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,780 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,780 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,781 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,781 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,781 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:52,782 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:52,782 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:52,782 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,783 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,783 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,783 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,783 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,784 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,784 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,784 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,784 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,784 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,785 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,785 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,785 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,785 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:52,786 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:52,786 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((\result == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) == x) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]))) && (\exists ULTIMATE.start___ieee754_expf_~sx~0 : bv32, currentRoundingMode : FloatRoundingMode :: hx == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_expf_~sx~0) && ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_expf_~sx~0[31:31], ULTIMATE.start___ieee754_expf_~sx~0[30:23], ULTIMATE.start___ieee754_expf_~sx~0[22:0]))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 41]: Loop Invariant [2020-07-28 17:50:52,787 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,787 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:52,788 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:52,788 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:52,788 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,788 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:52,789 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:52,789 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) == x && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 112]: Loop Invariant [2020-07-28 17:50:52,790 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,790 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,790 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,790 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,791 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,791 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,791 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,791 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,792 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,792 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,792 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,792 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,793 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,793 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,793 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,793 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,794 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,794 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,794 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,794 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,794 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,795 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:52,795 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:52,795 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:52,796 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,796 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,797 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,797 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,797 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,797 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,798 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,798 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,798 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:50:52,798 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,798 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,799 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-07-28 17:50:52,799 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,799 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,799 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,800 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,800 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,800 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,800 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,801 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,801 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:50:52,801 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:52,802 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:50:52,802 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((((\result == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) == x) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]))) && (\exists ULTIMATE.start___ieee754_expf_~sx~0 : bv32, currentRoundingMode : FloatRoundingMode :: hx == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_expf_~sx~0) && ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_expf_~sx~0[31:31], ULTIMATE.start___ieee754_expf_~sx~0[30:23], ULTIMATE.start___ieee754_expf_~sx~0[22:0]))) && ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) == x - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 37.4s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 18.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 76 SDtfs, 125 SDslu, 86 SDs, 0 SdLazy, 82 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 76 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 14.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 12 NumberOfFragments, 242 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 36 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 15.3s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 104 ConstructedInterpolants, 21 QuantifiedInterpolants, 9485 SizeOfPredicates, 27 NumberOfNonLiveVariables, 302 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...