./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0981.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_0981.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 a7a942aef31d674fbc5ba5c6ed676ac24f2343b7 ............................................................................................................................................................................................................................................................................................................................................................................................................................... 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_0981.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 a7a942aef31d674fbc5ba5c6ed676ac24f2343b7 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 17:52:44,651 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 17:52:44,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 17:52:44,671 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 17:52:44,671 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 17:52:44,674 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 17:52:44,676 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 17:52:44,686 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 17:52:44,689 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 17:52:44,690 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 17:52:44,692 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 17:52:44,694 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 17:52:44,695 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 17:52:44,699 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 17:52:44,700 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 17:52:44,702 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 17:52:44,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 17:52:44,707 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 17:52:44,709 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 17:52:44,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 17:52:44,720 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 17:52:44,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 17:52:44,726 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 17:52:44,727 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 17:52:44,730 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 17:52:44,731 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 17:52:44,731 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 17:52:44,733 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 17:52:44,733 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 17:52:44,734 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 17:52:44,734 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:52:44,736 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:52:44,737 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:52:44,738 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:52:44,740 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:52:44,740 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:52:44,741 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:52:44,741 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:52:44,742 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:52:44,742 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:52:44,744 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:52:44,745 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 17:52:44,779 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:52:44,779 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:52:44,780 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:52:44,780 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:52:44,780 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:52:44,781 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:52:44,781 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:52:44,781 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 17:52:44,783 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:52:44,783 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:52:44,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:52:44,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:52:44,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:52:44,784 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:52:44,784 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:52:44,785 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:52:44,785 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:52:44,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:52:44,786 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:52:44,787 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:52:44,787 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:52:44,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:52:44,788 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:52:44,788 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:52:44,788 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:52:44,788 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 17:52:44,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 17:52:44,789 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:52:44,789 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:52:44,789 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 -> a7a942aef31d674fbc5ba5c6ed676ac24f2343b7 [2020-07-28 17:52:45,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:52:45,103 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:52:45,107 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:52:45,109 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:52:45,110 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:52:45,111 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0981.c [2020-07-28 17:52:45,176 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4deb5fe99/430840b2eb04453392fba6a08f44dd6d/FLAG0ea653fb9 [2020-07-28 17:52:45,632 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:52:45,633 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0981.c [2020-07-28 17:52:45,642 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4deb5fe99/430840b2eb04453392fba6a08f44dd6d/FLAG0ea653fb9 [2020-07-28 17:52:46,022 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4deb5fe99/430840b2eb04453392fba6a08f44dd6d [2020-07-28 17:52:46,025 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:52:46,028 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:52:46,030 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:52:46,030 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:52:46,034 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:52:46,036 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:52:46" (1/1) ... [2020-07-28 17:52:46,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d085cfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:52:46, skipping insertion in model container [2020-07-28 17:52:46,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:52:46" (1/1) ... [2020-07-28 17:52:46,048 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:52:46,089 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:52:46,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:52:46,331 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 17:52:46,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:52:46,479 INFO L208 MainTranslator]: Completed translation [2020-07-28 17:52:46,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:52:46 WrapperNode [2020-07-28 17:52:46,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 17:52:46,481 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 17:52:46,482 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 17:52:46,482 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 17:52:46,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:52:46" (1/1) ... [2020-07-28 17:52:46,503 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:52:46" (1/1) ... [2020-07-28 17:52:46,562 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 17:52:46,562 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 17:52:46,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 17:52:46,563 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 17:52:46,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:52:46" (1/1) ... [2020-07-28 17:52:46,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:52:46" (1/1) ... [2020-07-28 17:52:46,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:52:46" (1/1) ... [2020-07-28 17:52:46,582 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:52:46" (1/1) ... [2020-07-28 17:52:46,596 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:52:46" (1/1) ... [2020-07-28 17:52:46,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:52:46" (1/1) ... [2020-07-28 17:52:46,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:52:46" (1/1) ... [2020-07-28 17:52:46,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 17:52:46,612 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 17:52:46,612 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 17:52:46,613 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 17:52:46,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:52:46" (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 17:52:46,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 17:52:46,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-28 17:52:46,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-28 17:52:46,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-28 17:52:46,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 17:52:46,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 17:52:46,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-28 17:52:46,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 17:52:47,355 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 17:52:47,356 INFO L295 CfgBuilder]: Removed 24 assume(true) statements. [2020-07-28 17:52:47,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:52:47 BoogieIcfgContainer [2020-07-28 17:52:47,360 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 17:52:47,361 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 17:52:47,362 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 17:52:47,365 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 17:52:47,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 05:52:46" (1/3) ... [2020-07-28 17:52:47,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c1a8beb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:52:47, skipping insertion in model container [2020-07-28 17:52:47,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:52:46" (2/3) ... [2020-07-28 17:52:47,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c1a8beb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:52:47, skipping insertion in model container [2020-07-28 17:52:47,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:52:47" (3/3) ... [2020-07-28 17:52:47,369 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0981.c [2020-07-28 17:52:47,379 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 17:52:47,386 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 17:52:47,399 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 17:52:47,424 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 17:52:47,425 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 17:52:47,425 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 17:52:47,425 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 17:52:47,426 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 17:52:47,426 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 17:52:47,426 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 17:52:47,426 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 17:52:47,444 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2020-07-28 17:52:47,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-28 17:52:47,451 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:52:47,452 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:52:47,453 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:52:47,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:52:47,460 INFO L82 PathProgramCache]: Analyzing trace with hash 1655029915, now seen corresponding path program 1 times [2020-07-28 17:52:47,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 17:52:47,470 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73958674] [2020-07-28 17:52:47,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 17:52:47,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:52:47,622 INFO L280 TraceCheckUtils]: 0: Hoare triple {50#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~ln2_hi_log~0 := 0.69313812256;~ln2_lo_log~0 := 9.0580006145E-6;~two25_log~0 := 3.3554432E7;~Lg1_log~0 := 0.66666668653;~Lg2_log~0 := 0.40000000596;~Lg3_log~0 := 0.28571429849;~Lg4_log~0 := 0.22222198546;~Lg5_log~0 := 0.1818357259;~Lg6_log~0 := 0.15313838422;~Lg7_log~0 := 0.1479819864;~zero_log~0 := 0.0;~two25_log10~0 := 3.3554432E7;~ivln10_log10~0 := 0.43429449201;~log10_2hi_log10~0 := 0.30102920532;~log10_2lo_log10~0 := 7.9034151668E-7;~zero~0 := 0.0; {50#true} is VALID [2020-07-28 17:52:47,623 INFO L280 TraceCheckUtils]: 1: Hoare triple {50#true} havoc main_#res;havoc main_#t~ret15, main_#t~ret16, main_~x~0, main_~res~0;main_~x~0 := ~someBinaryArithmeticFLOAToperation(1.0, 0.0);__ieee754_log10f_#in~x := main_~x~0;havoc __ieee754_log10f_#res;havoc __ieee754_log10f_#t~mem6, __ieee754_log10f_#t~union7, __ieee754_log10f_~#gf_u~2.base, __ieee754_log10f_~#gf_u~2.offset, __ieee754_log10f_#t~mem8, __ieee754_log10f_#t~union9, __ieee754_log10f_~#gf_u~3.base, __ieee754_log10f_~#gf_u~3.offset, __ieee754_log10f_#t~mem10, __ieee754_log10f_#t~union11, __ieee754_log10f_~#sf_u~1.base, __ieee754_log10f_~#sf_u~1.offset, __ieee754_log10f_#t~ret12, __ieee754_log10f_~x, __ieee754_log10f_~y~0, __ieee754_log10f_~z~1, __ieee754_log10f_~i~1, __ieee754_log10f_~k~1, __ieee754_log10f_~hx~0;__ieee754_log10f_~x := __ieee754_log10f_#in~x;havoc __ieee754_log10f_~y~0;havoc __ieee754_log10f_~z~1;havoc __ieee754_log10f_~i~1;havoc __ieee754_log10f_~k~1;havoc __ieee754_log10f_~hx~0; {50#true} is VALID [2020-07-28 17:52:47,625 INFO L280 TraceCheckUtils]: 2: Hoare triple {50#true} assume !true; {51#false} is VALID [2020-07-28 17:52:47,625 INFO L280 TraceCheckUtils]: 3: Hoare triple {51#false} __ieee754_log10f_~k~1 := 0; {51#false} is VALID [2020-07-28 17:52:47,625 INFO L280 TraceCheckUtils]: 4: Hoare triple {51#false} assume 0 == ~bitwiseAnd(__ieee754_log10f_~hx~0, 2147483647);__ieee754_log10f_#res := ~someBinaryArithmeticFLOAToperation(~someUnaryFLOAToperation(~two25_log10~0), ~zero~0); {51#false} is VALID [2020-07-28 17:52:47,626 INFO L280 TraceCheckUtils]: 5: Hoare triple {51#false} main_#t~ret15 := __ieee754_log10f_#res;main_~res~0 := main_#t~ret15;havoc main_#t~ret15;isinf_float_#in~x := main_~res~0;havoc isinf_float_#res;havoc isinf_float_#t~mem13, isinf_float_#t~union14, isinf_float_~#gf_u~4.base, isinf_float_~#gf_u~4.offset, isinf_float_~x, isinf_float_~ix~1;isinf_float_~x := isinf_float_#in~x;havoc isinf_float_~ix~1; {51#false} is VALID [2020-07-28 17:52:47,626 INFO L280 TraceCheckUtils]: 6: Hoare triple {51#false} assume !true; {51#false} is VALID [2020-07-28 17:52:47,627 INFO L280 TraceCheckUtils]: 7: Hoare triple {51#false} isinf_float_~ix~1 := ~bitwiseAnd(isinf_float_~ix~1, 2147483647);isinf_float_#res := (if 2139095040 == isinf_float_~ix~1 then 1 else 0); {51#false} is VALID [2020-07-28 17:52:47,627 INFO L280 TraceCheckUtils]: 8: Hoare triple {51#false} main_#t~ret16 := isinf_float_#res;assume -2147483648 <= main_#t~ret16 && main_#t~ret16 <= 2147483647; {51#false} is VALID [2020-07-28 17:52:47,628 INFO L280 TraceCheckUtils]: 9: Hoare triple {51#false} assume 0 == main_#t~ret16;havoc main_#t~ret16; {51#false} is VALID [2020-07-28 17:52:47,628 INFO L280 TraceCheckUtils]: 10: Hoare triple {51#false} assume !false; {51#false} is VALID [2020-07-28 17:52:47,631 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 17:52:47,632 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73958674] [2020-07-28 17:52:47,633 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:52:47,633 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 17:52:47,634 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253839777] [2020-07-28 17:52:47,641 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-07-28 17:52:47,642 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:52:47,646 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 17:52:47,667 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 17:52:47,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 17:52:47,668 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 17:52:47,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 17:52:47,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:52:47,681 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 2 states. [2020-07-28 17:52:47,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:52:47,791 INFO L93 Difference]: Finished difference Result 92 states and 150 transitions. [2020-07-28 17:52:47,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 17:52:47,792 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-07-28 17:52:47,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:52:47,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:52:47,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 150 transitions. [2020-07-28 17:52:47,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:52:47,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 150 transitions. [2020-07-28 17:52:47,809 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 150 transitions. [2020-07-28 17:52:48,035 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 150 edges. 150 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:52:48,050 INFO L225 Difference]: With dead ends: 92 [2020-07-28 17:52:48,051 INFO L226 Difference]: Without dead ends: 44 [2020-07-28 17:52:48,055 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 17:52:48,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-07-28 17:52:48,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2020-07-28 17:52:48,099 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:52:48,100 INFO L82 GeneralOperation]: Start isEquivalent. First operand 44 states. Second operand 44 states. [2020-07-28 17:52:48,100 INFO L74 IsIncluded]: Start isIncluded. First operand 44 states. Second operand 44 states. [2020-07-28 17:52:48,101 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 44 states. [2020-07-28 17:52:48,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:52:48,106 INFO L93 Difference]: Finished difference Result 44 states and 58 transitions. [2020-07-28 17:52:48,107 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2020-07-28 17:52:48,107 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:52:48,108 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:52:48,108 INFO L74 IsIncluded]: Start isIncluded. First operand 44 states. Second operand 44 states. [2020-07-28 17:52:48,108 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 44 states. [2020-07-28 17:52:48,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:52:48,113 INFO L93 Difference]: Finished difference Result 44 states and 58 transitions. [2020-07-28 17:52:48,113 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2020-07-28 17:52:48,114 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:52:48,115 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:52:48,115 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:52:48,115 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:52:48,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-07-28 17:52:48,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 58 transitions. [2020-07-28 17:52:48,121 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 58 transitions. Word has length 11 [2020-07-28 17:52:48,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:52:48,121 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 58 transitions. [2020-07-28 17:52:48,122 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 17:52:48,122 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2020-07-28 17:52:48,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-28 17:52:48,123 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:52:48,123 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:52:48,124 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 17:52:48,124 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:52:48,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:52:48,125 INFO L82 PathProgramCache]: Analyzing trace with hash 1598915326, now seen corresponding path program 1 times [2020-07-28 17:52:48,125 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 17:52:48,126 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861704635] [2020-07-28 17:52:48,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 17:52:48,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 17:52:48,210 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 17:52:48,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 17:52:48,299 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 17:52:48,356 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 17:52:48,356 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 17:52:48,358 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 17:52:48,406 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 17:52:48,406 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 17:52:48,407 WARN L170 areAnnotationChecker]: L108-2 has no Hoare annotation [2020-07-28 17:52:48,407 WARN L170 areAnnotationChecker]: L108-2 has no Hoare annotation [2020-07-28 17:52:48,407 WARN L170 areAnnotationChecker]: L108-1 has no Hoare annotation [2020-07-28 17:52:48,407 WARN L170 areAnnotationChecker]: L108-1 has no Hoare annotation [2020-07-28 17:52:48,407 WARN L170 areAnnotationChecker]: L108-3 has no Hoare annotation [2020-07-28 17:52:48,407 WARN L170 areAnnotationChecker]: L115 has no Hoare annotation [2020-07-28 17:52:48,408 WARN L170 areAnnotationChecker]: L115 has no Hoare annotation [2020-07-28 17:52:48,408 WARN L170 areAnnotationChecker]: L140 has no Hoare annotation [2020-07-28 17:52:48,408 WARN L170 areAnnotationChecker]: L117 has no Hoare annotation [2020-07-28 17:52:48,408 WARN L170 areAnnotationChecker]: L117 has no Hoare annotation [2020-07-28 17:52:48,408 WARN L170 areAnnotationChecker]: L146-2 has no Hoare annotation [2020-07-28 17:52:48,408 WARN L170 areAnnotationChecker]: L146-2 has no Hoare annotation [2020-07-28 17:52:48,409 WARN L170 areAnnotationChecker]: L119 has no Hoare annotation [2020-07-28 17:52:48,409 WARN L170 areAnnotationChecker]: L119 has no Hoare annotation [2020-07-28 17:52:48,409 WARN L170 areAnnotationChecker]: L146-1 has no Hoare annotation [2020-07-28 17:52:48,409 WARN L170 areAnnotationChecker]: L146-1 has no Hoare annotation [2020-07-28 17:52:48,409 WARN L170 areAnnotationChecker]: L146-3 has no Hoare annotation [2020-07-28 17:52:48,409 WARN L170 areAnnotationChecker]: L121 has no Hoare annotation [2020-07-28 17:52:48,410 WARN L170 areAnnotationChecker]: L121 has no Hoare annotation [2020-07-28 17:52:48,410 WARN L170 areAnnotationChecker]: L152 has no Hoare annotation [2020-07-28 17:52:48,410 WARN L170 areAnnotationChecker]: L124-2 has no Hoare annotation [2020-07-28 17:52:48,410 WARN L170 areAnnotationChecker]: L124-2 has no Hoare annotation [2020-07-28 17:52:48,410 WARN L170 areAnnotationChecker]: L121-1 has no Hoare annotation [2020-07-28 17:52:48,410 WARN L170 areAnnotationChecker]: L167 has no Hoare annotation [2020-07-28 17:52:48,411 WARN L170 areAnnotationChecker]: L167 has no Hoare annotation [2020-07-28 17:52:48,411 WARN L170 areAnnotationChecker]: L124-1 has no Hoare annotation [2020-07-28 17:52:48,411 WARN L170 areAnnotationChecker]: L124-1 has no Hoare annotation [2020-07-28 17:52:48,411 WARN L170 areAnnotationChecker]: L134-2 has no Hoare annotation [2020-07-28 17:52:48,411 WARN L170 areAnnotationChecker]: L134-2 has no Hoare annotation [2020-07-28 17:52:48,411 WARN L170 areAnnotationChecker]: L168 has no Hoare annotation [2020-07-28 17:52:48,412 WARN L170 areAnnotationChecker]: L168 has no Hoare annotation [2020-07-28 17:52:48,412 WARN L170 areAnnotationChecker]: L171 has no Hoare annotation [2020-07-28 17:52:48,412 WARN L170 areAnnotationChecker]: L134-1 has no Hoare annotation [2020-07-28 17:52:48,412 WARN L170 areAnnotationChecker]: L134-1 has no Hoare annotation [2020-07-28 17:52:48,412 WARN L170 areAnnotationChecker]: L134-3 has no Hoare annotation [2020-07-28 17:52:48,412 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:52:48,413 WARN L170 areAnnotationChecker]: L23-2 has no Hoare annotation [2020-07-28 17:52:48,413 WARN L170 areAnnotationChecker]: L23-2 has no Hoare annotation [2020-07-28 17:52:48,413 WARN L170 areAnnotationChecker]: L23-1 has no Hoare annotation [2020-07-28 17:52:48,413 WARN L170 areAnnotationChecker]: L23-1 has no Hoare annotation [2020-07-28 17:52:48,413 WARN L170 areAnnotationChecker]: L23-3 has no Hoare annotation [2020-07-28 17:52:48,413 WARN L170 areAnnotationChecker]: L30 has no Hoare annotation [2020-07-28 17:52:48,414 WARN L170 areAnnotationChecker]: L30 has no Hoare annotation [2020-07-28 17:52:48,414 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation [2020-07-28 17:52:48,414 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-28 17:52:48,414 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-28 17:52:48,414 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-28 17:52:48,414 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-28 17:52:48,415 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2020-07-28 17:52:48,415 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2020-07-28 17:52:48,415 WARN L170 areAnnotationChecker]: L39-2 has no Hoare annotation [2020-07-28 17:52:48,415 WARN L170 areAnnotationChecker]: L39-2 has no Hoare annotation [2020-07-28 17:52:48,415 WARN L170 areAnnotationChecker]: L36-1 has no Hoare annotation [2020-07-28 17:52:48,415 WARN L170 areAnnotationChecker]: L39-1 has no Hoare annotation [2020-07-28 17:52:48,415 WARN L170 areAnnotationChecker]: L39-1 has no Hoare annotation [2020-07-28 17:52:48,416 WARN L170 areAnnotationChecker]: L48-2 has no Hoare annotation [2020-07-28 17:52:48,416 WARN L170 areAnnotationChecker]: L48-2 has no Hoare annotation [2020-07-28 17:52:48,416 WARN L170 areAnnotationChecker]: L48-1 has no Hoare annotation [2020-07-28 17:52:48,416 WARN L170 areAnnotationChecker]: L48-1 has no Hoare annotation [2020-07-28 17:52:48,416 WARN L170 areAnnotationChecker]: L48-3 has no Hoare annotation [2020-07-28 17:52:48,416 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-28 17:52:48,417 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-28 17:52:48,417 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-28 17:52:48,417 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-28 17:52:48,417 WARN L170 areAnnotationChecker]: L82 has no Hoare annotation [2020-07-28 17:52:48,417 WARN L170 areAnnotationChecker]: L82 has no Hoare annotation [2020-07-28 17:52:48,417 WARN L170 areAnnotationChecker]: L57 has no Hoare annotation [2020-07-28 17:52:48,417 WARN L170 areAnnotationChecker]: L57 has no Hoare annotation [2020-07-28 17:52:48,418 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-28 17:52:48,418 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-28 17:52:48,418 WARN L170 areAnnotationChecker]: L84 has no Hoare annotation [2020-07-28 17:52:48,418 WARN L170 areAnnotationChecker]: L84 has no Hoare annotation [2020-07-28 17:52:48,418 WARN L170 areAnnotationChecker]: L90 has no Hoare annotation [2020-07-28 17:52:48,418 WARN L170 areAnnotationChecker]: L90 has no Hoare annotation [2020-07-28 17:52:48,419 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 17:52:48,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 05:52:48 BoogieIcfgContainer [2020-07-28 17:52:48,422 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 17:52:48,422 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 17:52:48,422 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 17:52:48,422 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 17:52:48,423 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:52:47" (3/4) ... [2020-07-28 17:52:48,427 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-28 17:52:48,427 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 17:52:48,430 INFO L168 Benchmark]: Toolchain (without parser) took 2402.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 952.2 MB in the beginning and 999.7 MB in the end (delta: -47.6 MB). Peak memory consumption was 100.3 MB. Max. memory is 11.5 GB. [2020-07-28 17:52:48,431 INFO L168 Benchmark]: CDTParser took 0.29 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 17:52:48,432 INFO L168 Benchmark]: CACSL2BoogieTranslator took 451.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -185.5 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2020-07-28 17:52:48,433 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.78 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 17:52:48,433 INFO L168 Benchmark]: Boogie Preprocessor took 49.35 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 17:52:48,434 INFO L168 Benchmark]: RCFGBuilder took 748.12 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: 52.2 MB). Peak memory consumption was 52.2 MB. Max. memory is 11.5 GB. [2020-07-28 17:52:48,435 INFO L168 Benchmark]: TraceAbstraction took 1060.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 999.7 MB in the end (delta: 79.2 MB). Peak memory consumption was 79.2 MB. Max. memory is 11.5 GB. [2020-07-28 17:52:48,435 INFO L168 Benchmark]: Witness Printer took 4.96 ms. Allocated memory is still 1.2 GB. Free memory is still 999.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:52:48,440 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 0.29 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 451.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -185.5 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 80.78 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 49.35 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 748.12 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: 52.2 MB). Peak memory consumption was 52.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1060.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 999.7 MB in the end (delta: 79.2 MB). Peak memory consumption was 79.2 MB. Max. memory is 11.5 GB. * Witness Printer took 4.96 ms. Allocated memory is still 1.2 GB. Free memory is still 999.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 168]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 116, overapproximation of bitwiseAnd at line 151. Possible FailurePath: [L11-L15] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L17] static const float zero_log = 0.0; [L97-L100] static const float two25_log10 = 3.3554432000e+07, ivln10_log10 = 4.3429449201e-01, log10_2hi_log10 = 3.0102920532e-01, log10_2lo_log10 = 7.9034151668e-07; [L102] static const float zero = 0.0; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L163] float x = 1.0f / 0.0f; [L105] float y, z; [L106] __int32_t i, k, hx; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L109] ieee_float_shape_type gf_u; [L110] gf_u.value = (x) [L111] EXPR gf_u.word [L111] (hx) = gf_u.word [L114] k = 0 VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L115] COND TRUE ((hx & 0x7fffffff) == 0) [L116] return -two25_log10 / zero; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L164] float res = __ieee754_log10f(x); [L145] __int32_t ix; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L147] ieee_float_shape_type gf_u; [L148] gf_u.value = (x) [L149] EXPR gf_u.word [L149] (ix) = gf_u.word [L151] ix &= 0x7fffffff [L152] return ((ix) == 0x7f800000L); VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L167] COND TRUE !isinf_float(res) [L168] __VERIFIER_error() VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 47 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: 61 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=47occurred 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 17:52:50,423 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 17:52:50,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 17:52:50,438 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 17:52:50,438 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 17:52:50,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 17:52:50,441 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 17:52:50,443 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 17:52:50,445 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 17:52:50,446 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 17:52:50,447 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 17:52:50,449 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 17:52:50,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 17:52:50,450 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 17:52:50,451 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 17:52:50,453 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 17:52:50,454 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 17:52:50,455 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 17:52:50,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 17:52:50,459 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 17:52:50,460 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 17:52:50,462 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 17:52:50,463 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 17:52:50,464 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 17:52:50,467 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 17:52:50,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 17:52:50,468 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 17:52:50,469 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 17:52:50,470 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 17:52:50,471 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 17:52:50,471 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:52:50,472 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:52:50,473 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:52:50,474 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:52:50,475 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:52:50,476 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:52:50,476 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:52:50,477 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:52:50,477 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:52:50,479 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:52:50,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:52:50,484 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-07-28 17:52:50,499 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:52:50,499 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:52:50,500 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:52:50,501 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:52:50,501 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:52:50,501 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:52:50,502 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:52:50,502 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:52:50,502 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:52:50,503 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:52:50,503 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:52:50,503 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:52:50,503 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-07-28 17:52:50,504 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-07-28 17:52:50,504 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:52:50,504 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:52:50,504 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:52:50,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:52:50,505 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:52:50,505 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:52:50,506 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:52:50,506 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:52:50,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:52:50,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:52:50,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:52:50,507 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:52:50,507 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-07-28 17:52:50,508 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-07-28 17:52:50,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:52:50,508 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:52:50,508 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-28 17:52:50,509 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 -> a7a942aef31d674fbc5ba5c6ed676ac24f2343b7 [2020-07-28 17:52:50,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:52:50,880 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:52:50,884 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:52:50,886 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:52:50,887 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:52:50,888 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0981.c [2020-07-28 17:52:50,952 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68c902aa6/3a633e3aa0d74fd0a4bf3981570ff212/FLAGc6d9c38c2 [2020-07-28 17:52:51,468 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:52:51,469 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0981.c [2020-07-28 17:52:51,482 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68c902aa6/3a633e3aa0d74fd0a4bf3981570ff212/FLAGc6d9c38c2 [2020-07-28 17:52:51,817 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68c902aa6/3a633e3aa0d74fd0a4bf3981570ff212 [2020-07-28 17:52:51,821 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:52:51,825 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:52:51,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:52:51,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:52:51,830 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:52:51,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:52:51" (1/1) ... [2020-07-28 17:52:51,835 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18f05669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:52:51, skipping insertion in model container [2020-07-28 17:52:51,835 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:52:51" (1/1) ... [2020-07-28 17:52:51,844 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:52:51,869 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:52:52,198 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:52:52,208 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 17:52:52,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:52:52,408 INFO L208 MainTranslator]: Completed translation [2020-07-28 17:52:52,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:52:52 WrapperNode [2020-07-28 17:52:52,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 17:52:52,410 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 17:52:52,410 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 17:52:52,411 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 17:52:52,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:52:52" (1/1) ... [2020-07-28 17:52:52,435 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:52:52" (1/1) ... [2020-07-28 17:52:52,503 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 17:52:52,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 17:52:52,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 17:52:52,507 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 17:52:52,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:52:52" (1/1) ... [2020-07-28 17:52:52,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:52:52" (1/1) ... [2020-07-28 17:52:52,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:52:52" (1/1) ... [2020-07-28 17:52:52,539 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:52:52" (1/1) ... [2020-07-28 17:52:52,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:52:52" (1/1) ... [2020-07-28 17:52:52,594 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:52:52" (1/1) ... [2020-07-28 17:52:52,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:52:52" (1/1) ... [2020-07-28 17:52:52,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 17:52:52,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 17:52:52,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 17:52:52,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 17:52:52,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:52:52" (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 17:52:52,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 17:52:52,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-07-28 17:52:52,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-07-28 17:52:52,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 17:52:52,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 17:52:52,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-07-28 17:52:52,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-07-28 17:52:52,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 17:53:08,933 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 17:53:08,934 INFO L295 CfgBuilder]: Removed 24 assume(true) statements. [2020-07-28 17:53:08,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:53:08 BoogieIcfgContainer [2020-07-28 17:53:08,938 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 17:53:08,939 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 17:53:08,939 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 17:53:08,942 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 17:53:08,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 05:52:51" (1/3) ... [2020-07-28 17:53:08,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1da0592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:53:08, skipping insertion in model container [2020-07-28 17:53:08,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:52:52" (2/3) ... [2020-07-28 17:53:08,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1da0592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:53:08, skipping insertion in model container [2020-07-28 17:53:08,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:53:08" (3/3) ... [2020-07-28 17:53:08,947 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0981.c [2020-07-28 17:53:08,954 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 17:53:08,960 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 17:53:08,970 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 17:53:08,994 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 17:53:08,994 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 17:53:08,994 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 17:53:08,995 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 17:53:08,995 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 17:53:08,995 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 17:53:08,995 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 17:53:08,996 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 17:53:09,011 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2020-07-28 17:53:09,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-28 17:53:09,018 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:53:09,019 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:53:09,020 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:53:09,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:53:09,027 INFO L82 PathProgramCache]: Analyzing trace with hash 1655029915, now seen corresponding path program 1 times [2020-07-28 17:53:09,041 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:53:09,042 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1588703089] [2020-07-28 17:53:09,042 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 17:53:09,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:53:09,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-28 17:53:09,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:53:09,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:53:09,735 INFO L280 TraceCheckUtils]: 0: Hoare triple {50#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~ln2_hi_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.69313812256));~ln2_lo_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 9.0580006145E-6));~two25_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.3554432E7));~Lg1_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.66666668653));~Lg2_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.40000000596));~Lg3_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.28571429849));~Lg4_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.22222198546));~Lg5_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.1818357259));~Lg6_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.15313838422));~Lg7_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.1479819864));~zero_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE());~two25_log10~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.3554432E7));~ivln10_log10~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.43429449201));~log10_2hi_log10~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.30102920532));~log10_2lo_log10~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.9034151668E-7));~zero~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE()); {50#true} is VALID [2020-07-28 17:53:09,736 INFO L280 TraceCheckUtils]: 1: Hoare triple {50#true} havoc main_#res;havoc main_#t~ret15, main_#t~ret16, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());__ieee754_log10f_#in~x := main_~x~0;havoc __ieee754_log10f_#res;havoc __ieee754_log10f_#t~mem6, __ieee754_log10f_#t~union7, __ieee754_log10f_~#gf_u~2.base, __ieee754_log10f_~#gf_u~2.offset, __ieee754_log10f_#t~mem8, __ieee754_log10f_#t~union9, __ieee754_log10f_~#gf_u~3.base, __ieee754_log10f_~#gf_u~3.offset, __ieee754_log10f_#t~mem10, __ieee754_log10f_#t~union11, __ieee754_log10f_~#sf_u~1.base, __ieee754_log10f_~#sf_u~1.offset, __ieee754_log10f_#t~ret12, __ieee754_log10f_~x, __ieee754_log10f_~y~0, __ieee754_log10f_~z~1, __ieee754_log10f_~i~1, __ieee754_log10f_~k~1, __ieee754_log10f_~hx~0;__ieee754_log10f_~x := __ieee754_log10f_#in~x;havoc __ieee754_log10f_~y~0;havoc __ieee754_log10f_~z~1;havoc __ieee754_log10f_~i~1;havoc __ieee754_log10f_~k~1;havoc __ieee754_log10f_~hx~0; {50#true} is VALID [2020-07-28 17:53:09,739 INFO L280 TraceCheckUtils]: 2: Hoare triple {50#true} assume !true; {51#false} is VALID [2020-07-28 17:53:09,739 INFO L280 TraceCheckUtils]: 3: Hoare triple {51#false} __ieee754_log10f_~k~1 := 0bv32; {51#false} is VALID [2020-07-28 17:53:09,740 INFO L280 TraceCheckUtils]: 4: Hoare triple {51#false} assume 0bv32 == ~bvand32(2147483647bv32, __ieee754_log10f_~hx~0);__ieee754_log10f_#res := ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~two25_log10~0), ~zero~0); {51#false} is VALID [2020-07-28 17:53:09,740 INFO L280 TraceCheckUtils]: 5: Hoare triple {51#false} main_#t~ret15 := __ieee754_log10f_#res;main_~res~0 := main_#t~ret15;havoc main_#t~ret15;isinf_float_#in~x := main_~res~0;havoc isinf_float_#res;havoc isinf_float_#t~mem13, isinf_float_#t~union14, isinf_float_~#gf_u~4.base, isinf_float_~#gf_u~4.offset, isinf_float_~x, isinf_float_~ix~1;isinf_float_~x := isinf_float_#in~x;havoc isinf_float_~ix~1; {51#false} is VALID [2020-07-28 17:53:09,740 INFO L280 TraceCheckUtils]: 6: Hoare triple {51#false} assume !true; {51#false} is VALID [2020-07-28 17:53:09,741 INFO L280 TraceCheckUtils]: 7: Hoare triple {51#false} isinf_float_~ix~1 := ~bvand32(2147483647bv32, isinf_float_~ix~1);isinf_float_#res := (if 2139095040bv32 == isinf_float_~ix~1 then 1bv32 else 0bv32); {51#false} is VALID [2020-07-28 17:53:09,741 INFO L280 TraceCheckUtils]: 8: Hoare triple {51#false} main_#t~ret16 := isinf_float_#res; {51#false} is VALID [2020-07-28 17:53:09,741 INFO L280 TraceCheckUtils]: 9: Hoare triple {51#false} assume 0bv32 == main_#t~ret16;havoc main_#t~ret16; {51#false} is VALID [2020-07-28 17:53:09,742 INFO L280 TraceCheckUtils]: 10: Hoare triple {51#false} assume !false; {51#false} is VALID [2020-07-28 17:53:09,744 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 17:53:09,745 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:53:09,781 INFO L280 TraceCheckUtils]: 10: Hoare triple {51#false} assume !false; {51#false} is VALID [2020-07-28 17:53:09,781 INFO L280 TraceCheckUtils]: 9: Hoare triple {51#false} assume 0bv32 == main_#t~ret16;havoc main_#t~ret16; {51#false} is VALID [2020-07-28 17:53:09,782 INFO L280 TraceCheckUtils]: 8: Hoare triple {51#false} main_#t~ret16 := isinf_float_#res; {51#false} is VALID [2020-07-28 17:53:09,782 INFO L280 TraceCheckUtils]: 7: Hoare triple {51#false} isinf_float_~ix~1 := ~bvand32(2147483647bv32, isinf_float_~ix~1);isinf_float_#res := (if 2139095040bv32 == isinf_float_~ix~1 then 1bv32 else 0bv32); {51#false} is VALID [2020-07-28 17:53:09,782 INFO L280 TraceCheckUtils]: 6: Hoare triple {51#false} assume !true; {51#false} is VALID [2020-07-28 17:53:09,783 INFO L280 TraceCheckUtils]: 5: Hoare triple {51#false} main_#t~ret15 := __ieee754_log10f_#res;main_~res~0 := main_#t~ret15;havoc main_#t~ret15;isinf_float_#in~x := main_~res~0;havoc isinf_float_#res;havoc isinf_float_#t~mem13, isinf_float_#t~union14, isinf_float_~#gf_u~4.base, isinf_float_~#gf_u~4.offset, isinf_float_~x, isinf_float_~ix~1;isinf_float_~x := isinf_float_#in~x;havoc isinf_float_~ix~1; {51#false} is VALID [2020-07-28 17:53:09,784 INFO L280 TraceCheckUtils]: 4: Hoare triple {51#false} assume 0bv32 == ~bvand32(2147483647bv32, __ieee754_log10f_~hx~0);__ieee754_log10f_#res := ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~two25_log10~0), ~zero~0); {51#false} is VALID [2020-07-28 17:53:09,785 INFO L280 TraceCheckUtils]: 3: Hoare triple {51#false} __ieee754_log10f_~k~1 := 0bv32; {51#false} is VALID [2020-07-28 17:53:09,786 INFO L280 TraceCheckUtils]: 2: Hoare triple {50#true} assume !true; {51#false} is VALID [2020-07-28 17:53:09,787 INFO L280 TraceCheckUtils]: 1: Hoare triple {50#true} havoc main_#res;havoc main_#t~ret15, main_#t~ret16, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());__ieee754_log10f_#in~x := main_~x~0;havoc __ieee754_log10f_#res;havoc __ieee754_log10f_#t~mem6, __ieee754_log10f_#t~union7, __ieee754_log10f_~#gf_u~2.base, __ieee754_log10f_~#gf_u~2.offset, __ieee754_log10f_#t~mem8, __ieee754_log10f_#t~union9, __ieee754_log10f_~#gf_u~3.base, __ieee754_log10f_~#gf_u~3.offset, __ieee754_log10f_#t~mem10, __ieee754_log10f_#t~union11, __ieee754_log10f_~#sf_u~1.base, __ieee754_log10f_~#sf_u~1.offset, __ieee754_log10f_#t~ret12, __ieee754_log10f_~x, __ieee754_log10f_~y~0, __ieee754_log10f_~z~1, __ieee754_log10f_~i~1, __ieee754_log10f_~k~1, __ieee754_log10f_~hx~0;__ieee754_log10f_~x := __ieee754_log10f_#in~x;havoc __ieee754_log10f_~y~0;havoc __ieee754_log10f_~z~1;havoc __ieee754_log10f_~i~1;havoc __ieee754_log10f_~k~1;havoc __ieee754_log10f_~hx~0; {50#true} is VALID [2020-07-28 17:53:09,787 INFO L280 TraceCheckUtils]: 0: Hoare triple {50#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~ln2_hi_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.69313812256));~ln2_lo_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 9.0580006145E-6));~two25_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.3554432E7));~Lg1_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.66666668653));~Lg2_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.40000000596));~Lg3_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.28571429849));~Lg4_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.22222198546));~Lg5_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.1818357259));~Lg6_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.15313838422));~Lg7_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.1479819864));~zero_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE());~two25_log10~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.3554432E7));~ivln10_log10~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.43429449201));~log10_2hi_log10~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.30102920532));~log10_2lo_log10~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.9034151668E-7));~zero~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE()); {50#true} is VALID [2020-07-28 17:53:09,788 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 17:53:09,789 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1588703089] [2020-07-28 17:53:09,789 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:53:09,790 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-07-28 17:53:09,791 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136899955] [2020-07-28 17:53:09,797 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-07-28 17:53:09,799 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:53:09,803 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 17:53:09,973 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 17:53:09,973 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 17:53:09,973 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:53:09,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 17:53:09,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:53:09,984 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 2 states. [2020-07-28 17:53:24,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:53:24,502 INFO L93 Difference]: Finished difference Result 92 states and 150 transitions. [2020-07-28 17:53:24,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 17:53:24,503 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-07-28 17:53:24,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:53:24,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:53:24,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 150 transitions. [2020-07-28 17:53:24,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:53:24,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 150 transitions. [2020-07-28 17:53:24,525 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 150 transitions. [2020-07-28 17:53:29,021 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 150 edges. 150 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:53:29,033 INFO L225 Difference]: With dead ends: 92 [2020-07-28 17:53:29,034 INFO L226 Difference]: Without dead ends: 44 [2020-07-28 17:53:29,037 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 17:53:29,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-07-28 17:53:29,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2020-07-28 17:53:29,081 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:53:29,082 INFO L82 GeneralOperation]: Start isEquivalent. First operand 44 states. Second operand 44 states. [2020-07-28 17:53:29,082 INFO L74 IsIncluded]: Start isIncluded. First operand 44 states. Second operand 44 states. [2020-07-28 17:53:29,082 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 44 states. [2020-07-28 17:53:29,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:53:29,088 INFO L93 Difference]: Finished difference Result 44 states and 58 transitions. [2020-07-28 17:53:29,088 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2020-07-28 17:53:29,089 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:53:29,089 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:53:29,089 INFO L74 IsIncluded]: Start isIncluded. First operand 44 states. Second operand 44 states. [2020-07-28 17:53:29,090 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 44 states. [2020-07-28 17:53:29,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:53:29,094 INFO L93 Difference]: Finished difference Result 44 states and 58 transitions. [2020-07-28 17:53:29,095 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2020-07-28 17:53:29,095 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:53:29,096 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:53:29,096 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:53:29,096 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:53:29,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-07-28 17:53:29,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 58 transitions. [2020-07-28 17:53:29,101 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 58 transitions. Word has length 11 [2020-07-28 17:53:29,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:53:29,102 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 58 transitions. [2020-07-28 17:53:29,102 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 17:53:29,103 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2020-07-28 17:53:29,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-28 17:53:29,104 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:53:29,104 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:53:29,319 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-07-28 17:53:29,319 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:53:29,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:53:29,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1598915326, now seen corresponding path program 1 times [2020-07-28 17:53:29,322 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:53:29,323 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [535782824] [2020-07-28 17:53:29,323 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 17:53:29,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:53:29,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-28 17:53:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:53:29,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:53:30,090 INFO L280 TraceCheckUtils]: 0: Hoare triple {370#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~ln2_hi_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.69313812256));~ln2_lo_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 9.0580006145E-6));~two25_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.3554432E7));~Lg1_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.66666668653));~Lg2_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.40000000596));~Lg3_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.28571429849));~Lg4_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.22222198546));~Lg5_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.1818357259));~Lg6_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.15313838422));~Lg7_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.1479819864));~zero_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE());~two25_log10~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.3554432E7));~ivln10_log10~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.43429449201));~log10_2hi_log10~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.30102920532));~log10_2lo_log10~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.9034151668E-7));~zero~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE()); {370#true} is VALID [2020-07-28 17:53:30,095 INFO L280 TraceCheckUtils]: 1: Hoare triple {370#true} havoc main_#res;havoc main_#t~ret15, main_#t~ret16, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());__ieee754_log10f_#in~x := main_~x~0;havoc __ieee754_log10f_#res;havoc __ieee754_log10f_#t~mem6, __ieee754_log10f_#t~union7, __ieee754_log10f_~#gf_u~2.base, __ieee754_log10f_~#gf_u~2.offset, __ieee754_log10f_#t~mem8, __ieee754_log10f_#t~union9, __ieee754_log10f_~#gf_u~3.base, __ieee754_log10f_~#gf_u~3.offset, __ieee754_log10f_#t~mem10, __ieee754_log10f_#t~union11, __ieee754_log10f_~#sf_u~1.base, __ieee754_log10f_~#sf_u~1.offset, __ieee754_log10f_#t~ret12, __ieee754_log10f_~x, __ieee754_log10f_~y~0, __ieee754_log10f_~z~1, __ieee754_log10f_~i~1, __ieee754_log10f_~k~1, __ieee754_log10f_~hx~0;__ieee754_log10f_~x := __ieee754_log10f_#in~x;havoc __ieee754_log10f_~y~0;havoc __ieee754_log10f_~z~1;havoc __ieee754_log10f_~i~1;havoc __ieee754_log10f_~k~1;havoc __ieee754_log10f_~hx~0; {378#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_log10f_~x))} is VALID [2020-07-28 17:53:30,101 INFO L280 TraceCheckUtils]: 2: Hoare triple {378#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_log10f_~x))} call __ieee754_log10f_~#gf_u~2.base, __ieee754_log10f_~#gf_u~2.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_log10f_~x, __ieee754_log10f_~#gf_u~2.base, __ieee754_log10f_~#gf_u~2.offset, 4bv32);call __ieee754_log10f_#t~mem6 := read~intINTTYPE4(__ieee754_log10f_~#gf_u~2.base, __ieee754_log10f_~#gf_u~2.offset, 4bv32);__ieee754_log10f_~hx~0 := __ieee754_log10f_#t~mem6;call write~intFLOATTYPE4(__ieee754_log10f_#t~union7, __ieee754_log10f_~#gf_u~2.base, __ieee754_log10f_~#gf_u~2.offset, 4bv32);havoc __ieee754_log10f_#t~union7;havoc __ieee754_log10f_#t~mem6;call ULTIMATE.dealloc(__ieee754_log10f_~#gf_u~2.base, __ieee754_log10f_~#gf_u~2.offset);havoc __ieee754_log10f_~#gf_u~2.base, __ieee754_log10f_~#gf_u~2.offset; {382#(exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_log10f_~hx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_log10f_~hx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_log10f_~hx~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} is VALID [2020-07-28 17:53:30,103 INFO L280 TraceCheckUtils]: 3: Hoare triple {382#(exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_log10f_~hx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_log10f_~hx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_log10f_~hx~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} goto; {382#(exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_log10f_~hx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_log10f_~hx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_log10f_~hx~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} is VALID [2020-07-28 17:53:30,104 INFO L280 TraceCheckUtils]: 4: Hoare triple {382#(exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_log10f_~hx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_log10f_~hx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_log10f_~hx~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} __ieee754_log10f_~k~1 := 0bv32; {382#(exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_log10f_~hx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_log10f_~hx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_log10f_~hx~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} is VALID [2020-07-28 17:53:30,284 INFO L280 TraceCheckUtils]: 5: Hoare triple {382#(exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_log10f_~hx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_log10f_~hx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_log10f_~hx~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} assume 0bv32 == ~bvand32(2147483647bv32, __ieee754_log10f_~hx~0);__ieee754_log10f_#res := ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~two25_log10~0), ~zero~0); {371#false} is VALID [2020-07-28 17:53:30,285 INFO L280 TraceCheckUtils]: 6: Hoare triple {371#false} main_#t~ret15 := __ieee754_log10f_#res;main_~res~0 := main_#t~ret15;havoc main_#t~ret15;isinf_float_#in~x := main_~res~0;havoc isinf_float_#res;havoc isinf_float_#t~mem13, isinf_float_#t~union14, isinf_float_~#gf_u~4.base, isinf_float_~#gf_u~4.offset, isinf_float_~x, isinf_float_~ix~1;isinf_float_~x := isinf_float_#in~x;havoc isinf_float_~ix~1; {371#false} is VALID [2020-07-28 17:53:30,285 INFO L280 TraceCheckUtils]: 7: Hoare triple {371#false} call isinf_float_~#gf_u~4.base, isinf_float_~#gf_u~4.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(isinf_float_~x, isinf_float_~#gf_u~4.base, isinf_float_~#gf_u~4.offset, 4bv32);call isinf_float_#t~mem13 := read~intINTTYPE4(isinf_float_~#gf_u~4.base, isinf_float_~#gf_u~4.offset, 4bv32);isinf_float_~ix~1 := isinf_float_#t~mem13;call write~intFLOATTYPE4(isinf_float_#t~union14, isinf_float_~#gf_u~4.base, isinf_float_~#gf_u~4.offset, 4bv32);havoc isinf_float_#t~mem13;havoc isinf_float_#t~union14;call ULTIMATE.dealloc(isinf_float_~#gf_u~4.base, isinf_float_~#gf_u~4.offset);havoc isinf_float_~#gf_u~4.base, isinf_float_~#gf_u~4.offset; {371#false} is VALID [2020-07-28 17:53:30,285 INFO L280 TraceCheckUtils]: 8: Hoare triple {371#false} goto; {371#false} is VALID [2020-07-28 17:53:30,286 INFO L280 TraceCheckUtils]: 9: Hoare triple {371#false} isinf_float_~ix~1 := ~bvand32(2147483647bv32, isinf_float_~ix~1);isinf_float_#res := (if 2139095040bv32 == isinf_float_~ix~1 then 1bv32 else 0bv32); {371#false} is VALID [2020-07-28 17:53:30,286 INFO L280 TraceCheckUtils]: 10: Hoare triple {371#false} main_#t~ret16 := isinf_float_#res; {371#false} is VALID [2020-07-28 17:53:30,286 INFO L280 TraceCheckUtils]: 11: Hoare triple {371#false} assume 0bv32 == main_#t~ret16;havoc main_#t~ret16; {371#false} is VALID [2020-07-28 17:53:30,286 INFO L280 TraceCheckUtils]: 12: Hoare triple {371#false} assume !false; {371#false} is VALID [2020-07-28 17:53:30,289 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 17:53:30,289 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:53:30,434 INFO L280 TraceCheckUtils]: 12: Hoare triple {371#false} assume !false; {371#false} is VALID [2020-07-28 17:53:30,435 INFO L280 TraceCheckUtils]: 11: Hoare triple {371#false} assume 0bv32 == main_#t~ret16;havoc main_#t~ret16; {371#false} is VALID [2020-07-28 17:53:30,435 INFO L280 TraceCheckUtils]: 10: Hoare triple {371#false} main_#t~ret16 := isinf_float_#res; {371#false} is VALID [2020-07-28 17:53:30,436 INFO L280 TraceCheckUtils]: 9: Hoare triple {371#false} isinf_float_~ix~1 := ~bvand32(2147483647bv32, isinf_float_~ix~1);isinf_float_#res := (if 2139095040bv32 == isinf_float_~ix~1 then 1bv32 else 0bv32); {371#false} is VALID [2020-07-28 17:53:30,436 INFO L280 TraceCheckUtils]: 8: Hoare triple {371#false} goto; {371#false} is VALID [2020-07-28 17:53:30,437 INFO L280 TraceCheckUtils]: 7: Hoare triple {371#false} call isinf_float_~#gf_u~4.base, isinf_float_~#gf_u~4.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(isinf_float_~x, isinf_float_~#gf_u~4.base, isinf_float_~#gf_u~4.offset, 4bv32);call isinf_float_#t~mem13 := read~intINTTYPE4(isinf_float_~#gf_u~4.base, isinf_float_~#gf_u~4.offset, 4bv32);isinf_float_~ix~1 := isinf_float_#t~mem13;call write~intFLOATTYPE4(isinf_float_#t~union14, isinf_float_~#gf_u~4.base, isinf_float_~#gf_u~4.offset, 4bv32);havoc isinf_float_#t~mem13;havoc isinf_float_#t~union14;call ULTIMATE.dealloc(isinf_float_~#gf_u~4.base, isinf_float_~#gf_u~4.offset);havoc isinf_float_~#gf_u~4.base, isinf_float_~#gf_u~4.offset; {371#false} is VALID [2020-07-28 17:53:30,437 INFO L280 TraceCheckUtils]: 6: Hoare triple {371#false} main_#t~ret15 := __ieee754_log10f_#res;main_~res~0 := main_#t~ret15;havoc main_#t~ret15;isinf_float_#in~x := main_~res~0;havoc isinf_float_#res;havoc isinf_float_#t~mem13, isinf_float_#t~union14, isinf_float_~#gf_u~4.base, isinf_float_~#gf_u~4.offset, isinf_float_~x, isinf_float_~ix~1;isinf_float_~x := isinf_float_#in~x;havoc isinf_float_~ix~1; {371#false} is VALID [2020-07-28 17:53:30,438 INFO L280 TraceCheckUtils]: 5: Hoare triple {434#(not (= (_ bv0 32) (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_log10f_~hx~0)))} assume 0bv32 == ~bvand32(2147483647bv32, __ieee754_log10f_~hx~0);__ieee754_log10f_#res := ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~two25_log10~0), ~zero~0); {371#false} is VALID [2020-07-28 17:53:30,439 INFO L280 TraceCheckUtils]: 4: Hoare triple {434#(not (= (_ bv0 32) (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_log10f_~hx~0)))} __ieee754_log10f_~k~1 := 0bv32; {434#(not (= (_ bv0 32) (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_log10f_~hx~0)))} is VALID [2020-07-28 17:53:30,440 INFO L280 TraceCheckUtils]: 3: Hoare triple {434#(not (= (_ bv0 32) (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_log10f_~hx~0)))} goto; {434#(not (= (_ bv0 32) (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_log10f_~hx~0)))} is VALID [2020-07-28 17:53:30,443 INFO L280 TraceCheckUtils]: 2: Hoare triple {444#(forall ((|v_skolemized_q#valueAsBitvector_11| (_ BitVec 32))) (or (not (= ULTIMATE.start___ieee754_log10f_~x (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_11|)))) (not (= (_ bv0 32) (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_11|)))))} call __ieee754_log10f_~#gf_u~2.base, __ieee754_log10f_~#gf_u~2.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_log10f_~x, __ieee754_log10f_~#gf_u~2.base, __ieee754_log10f_~#gf_u~2.offset, 4bv32);call __ieee754_log10f_#t~mem6 := read~intINTTYPE4(__ieee754_log10f_~#gf_u~2.base, __ieee754_log10f_~#gf_u~2.offset, 4bv32);__ieee754_log10f_~hx~0 := __ieee754_log10f_#t~mem6;call write~intFLOATTYPE4(__ieee754_log10f_#t~union7, __ieee754_log10f_~#gf_u~2.base, __ieee754_log10f_~#gf_u~2.offset, 4bv32);havoc __ieee754_log10f_#t~union7;havoc __ieee754_log10f_#t~mem6;call ULTIMATE.dealloc(__ieee754_log10f_~#gf_u~2.base, __ieee754_log10f_~#gf_u~2.offset);havoc __ieee754_log10f_~#gf_u~2.base, __ieee754_log10f_~#gf_u~2.offset; {434#(not (= (_ bv0 32) (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_log10f_~hx~0)))} is VALID [2020-07-28 17:53:30,446 INFO L280 TraceCheckUtils]: 1: Hoare triple {370#true} havoc main_#res;havoc main_#t~ret15, main_#t~ret16, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());__ieee754_log10f_#in~x := main_~x~0;havoc __ieee754_log10f_#res;havoc __ieee754_log10f_#t~mem6, __ieee754_log10f_#t~union7, __ieee754_log10f_~#gf_u~2.base, __ieee754_log10f_~#gf_u~2.offset, __ieee754_log10f_#t~mem8, __ieee754_log10f_#t~union9, __ieee754_log10f_~#gf_u~3.base, __ieee754_log10f_~#gf_u~3.offset, __ieee754_log10f_#t~mem10, __ieee754_log10f_#t~union11, __ieee754_log10f_~#sf_u~1.base, __ieee754_log10f_~#sf_u~1.offset, __ieee754_log10f_#t~ret12, __ieee754_log10f_~x, __ieee754_log10f_~y~0, __ieee754_log10f_~z~1, __ieee754_log10f_~i~1, __ieee754_log10f_~k~1, __ieee754_log10f_~hx~0;__ieee754_log10f_~x := __ieee754_log10f_#in~x;havoc __ieee754_log10f_~y~0;havoc __ieee754_log10f_~z~1;havoc __ieee754_log10f_~i~1;havoc __ieee754_log10f_~k~1;havoc __ieee754_log10f_~hx~0; {444#(forall ((|v_skolemized_q#valueAsBitvector_11| (_ BitVec 32))) (or (not (= ULTIMATE.start___ieee754_log10f_~x (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_11|)))) (not (= (_ bv0 32) (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_11|)))))} is VALID [2020-07-28 17:53:30,447 INFO L280 TraceCheckUtils]: 0: Hoare triple {370#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~ln2_hi_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.69313812256));~ln2_lo_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 9.0580006145E-6));~two25_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.3554432E7));~Lg1_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.66666668653));~Lg2_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.40000000596));~Lg3_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.28571429849));~Lg4_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.22222198546));~Lg5_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.1818357259));~Lg6_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.15313838422));~Lg7_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.1479819864));~zero_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE());~two25_log10~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.3554432E7));~ivln10_log10~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.43429449201));~log10_2hi_log10~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.30102920532));~log10_2lo_log10~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.9034151668E-7));~zero~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE()); {370#true} is VALID [2020-07-28 17:53:30,448 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 17:53:30,449 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [535782824] [2020-07-28 17:53:30,449 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:53:30,449 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-07-28 17:53:30,449 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544368344] [2020-07-28 17:53:30,451 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2020-07-28 17:53:30,452 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:53:30,452 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 17:53:30,808 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 17:53:30,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 17:53:30,809 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:53:30,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 17:53:30,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-28 17:53:30,810 INFO L87 Difference]: Start difference. First operand 44 states and 58 transitions. Second operand 6 states. [2020-07-28 17:53:31,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:53:31,388 INFO L93 Difference]: Finished difference Result 52 states and 65 transitions. [2020-07-28 17:53:31,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 17:53:31,389 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2020-07-28 17:53:31,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:53:31,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 17:53:31,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 65 transitions. [2020-07-28 17:53:31,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 17:53:31,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 65 transitions. [2020-07-28 17:53:31,393 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 65 transitions. [2020-07-28 17:53:33,642 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:53:33,643 INFO L225 Difference]: With dead ends: 52 [2020-07-28 17:53:33,643 INFO L226 Difference]: Without dead ends: 16 [2020-07-28 17:53:33,644 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 17:53:33,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-07-28 17:53:33,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-07-28 17:53:33,654 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:53:33,654 INFO L82 GeneralOperation]: Start isEquivalent. First operand 16 states. Second operand 16 states. [2020-07-28 17:53:33,654 INFO L74 IsIncluded]: Start isIncluded. First operand 16 states. Second operand 16 states. [2020-07-28 17:53:33,654 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 16 states. [2020-07-28 17:53:33,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:53:33,656 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2020-07-28 17:53:33,656 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2020-07-28 17:53:33,657 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:53:33,657 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:53:33,657 INFO L74 IsIncluded]: Start isIncluded. First operand 16 states. Second operand 16 states. [2020-07-28 17:53:33,657 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 16 states. [2020-07-28 17:53:33,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:53:33,658 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2020-07-28 17:53:33,659 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2020-07-28 17:53:33,659 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:53:33,659 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:53:33,659 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:53:33,660 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:53:33,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-07-28 17:53:33,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2020-07-28 17:53:33,661 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 13 [2020-07-28 17:53:33,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:53:33,662 INFO L479 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2020-07-28 17:53:33,662 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 17:53:33,662 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2020-07-28 17:53:33,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-07-28 17:53:33,663 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:53:33,663 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:53:33,870 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-07-28 17:53:33,871 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:53:33,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:53:33,873 INFO L82 PathProgramCache]: Analyzing trace with hash -1749203143, now seen corresponding path program 1 times [2020-07-28 17:53:33,874 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:53:33,875 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1488829501] [2020-07-28 17:53:33,875 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 17:53:34,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:53:34,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-28 17:53:34,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:53:34,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:53:34,485 INFO L523 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-28 17:53:34,552 INFO L280 TraceCheckUtils]: 0: Hoare triple {569#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~ln2_hi_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.69313812256));~ln2_lo_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 9.0580006145E-6));~two25_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.3554432E7));~Lg1_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.66666668653));~Lg2_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.40000000596));~Lg3_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.28571429849));~Lg4_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.22222198546));~Lg5_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.1818357259));~Lg6_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.15313838422));~Lg7_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.1479819864));~zero_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE());~two25_log10~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.3554432E7));~ivln10_log10~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.43429449201));~log10_2hi_log10~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.30102920532));~log10_2lo_log10~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.9034151668E-7));~zero~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE()); {574#(= currentRoundingMode roundNearestTiesToEven)} is VALID [2020-07-28 17:53:34,554 INFO L280 TraceCheckUtils]: 1: Hoare triple {574#(= currentRoundingMode roundNearestTiesToEven)} havoc main_#res;havoc main_#t~ret15, main_#t~ret16, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());__ieee754_log10f_#in~x := main_~x~0;havoc __ieee754_log10f_#res;havoc __ieee754_log10f_#t~mem6, __ieee754_log10f_#t~union7, __ieee754_log10f_~#gf_u~2.base, __ieee754_log10f_~#gf_u~2.offset, __ieee754_log10f_#t~mem8, __ieee754_log10f_#t~union9, __ieee754_log10f_~#gf_u~3.base, __ieee754_log10f_~#gf_u~3.offset, __ieee754_log10f_#t~mem10, __ieee754_log10f_#t~union11, __ieee754_log10f_~#sf_u~1.base, __ieee754_log10f_~#sf_u~1.offset, __ieee754_log10f_#t~ret12, __ieee754_log10f_~x, __ieee754_log10f_~y~0, __ieee754_log10f_~z~1, __ieee754_log10f_~i~1, __ieee754_log10f_~k~1, __ieee754_log10f_~hx~0;__ieee754_log10f_~x := __ieee754_log10f_#in~x;havoc __ieee754_log10f_~y~0;havoc __ieee754_log10f_~z~1;havoc __ieee754_log10f_~i~1;havoc __ieee754_log10f_~k~1;havoc __ieee754_log10f_~hx~0; {578#(and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_log10f_~x) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:53:34,555 INFO L280 TraceCheckUtils]: 2: Hoare triple {578#(and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_log10f_~x) (= currentRoundingMode roundNearestTiesToEven))} call __ieee754_log10f_~#gf_u~2.base, __ieee754_log10f_~#gf_u~2.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_log10f_~x, __ieee754_log10f_~#gf_u~2.base, __ieee754_log10f_~#gf_u~2.offset, 4bv32);call __ieee754_log10f_#t~mem6 := read~intINTTYPE4(__ieee754_log10f_~#gf_u~2.base, __ieee754_log10f_~#gf_u~2.offset, 4bv32);__ieee754_log10f_~hx~0 := __ieee754_log10f_#t~mem6;call write~intFLOATTYPE4(__ieee754_log10f_#t~union7, __ieee754_log10f_~#gf_u~2.base, __ieee754_log10f_~#gf_u~2.offset, 4bv32);havoc __ieee754_log10f_#t~union7;havoc __ieee754_log10f_#t~mem6;call ULTIMATE.dealloc(__ieee754_log10f_~#gf_u~2.base, __ieee754_log10f_~#gf_u~2.offset);havoc __ieee754_log10f_~#gf_u~2.base, __ieee754_log10f_~#gf_u~2.offset; {578#(and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_log10f_~x) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:53:34,556 INFO L280 TraceCheckUtils]: 3: Hoare triple {578#(and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_log10f_~x) (= currentRoundingMode roundNearestTiesToEven))} goto; {578#(and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_log10f_~x) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:53:34,558 INFO L280 TraceCheckUtils]: 4: Hoare triple {578#(and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_log10f_~x) (= currentRoundingMode roundNearestTiesToEven))} __ieee754_log10f_~k~1 := 0bv32; {578#(and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_log10f_~x) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:53:34,562 INFO L280 TraceCheckUtils]: 5: Hoare triple {578#(and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_log10f_~x) (= currentRoundingMode roundNearestTiesToEven))} assume !(0bv32 == ~bvand32(2147483647bv32, __ieee754_log10f_~hx~0)); {578#(and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_log10f_~x) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:53:34,563 INFO L280 TraceCheckUtils]: 6: Hoare triple {578#(and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_log10f_~x) (= currentRoundingMode roundNearestTiesToEven))} assume !~bvslt32(__ieee754_log10f_~hx~0, 0bv32); {578#(and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_log10f_~x) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:53:34,565 INFO L280 TraceCheckUtils]: 7: Hoare triple {578#(and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_log10f_~x) (= currentRoundingMode roundNearestTiesToEven))} assume !~bvslt32(__ieee754_log10f_~hx~0, 2139095040bv32);__ieee754_log10f_#res := ~fp.add~FLOAT(currentRoundingMode, __ieee754_log10f_~x, __ieee754_log10f_~x); {597#(= (fp.add roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)) (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) |ULTIMATE.start___ieee754_log10f_#res|)} is VALID [2020-07-28 17:53:34,566 INFO L280 TraceCheckUtils]: 8: Hoare triple {597#(= (fp.add roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)) (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) |ULTIMATE.start___ieee754_log10f_#res|)} main_#t~ret15 := __ieee754_log10f_#res;main_~res~0 := main_#t~ret15;havoc main_#t~ret15;isinf_float_#in~x := main_~res~0;havoc isinf_float_#res;havoc isinf_float_#t~mem13, isinf_float_#t~union14, isinf_float_~#gf_u~4.base, isinf_float_~#gf_u~4.offset, isinf_float_~x, isinf_float_~ix~1;isinf_float_~x := isinf_float_#in~x;havoc isinf_float_~ix~1; {601#(= (fp.add roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)) (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) ULTIMATE.start_isinf_float_~x)} is VALID [2020-07-28 17:53:34,569 INFO L280 TraceCheckUtils]: 9: Hoare triple {601#(= (fp.add roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)) (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) ULTIMATE.start_isinf_float_~x)} call isinf_float_~#gf_u~4.base, isinf_float_~#gf_u~4.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(isinf_float_~x, isinf_float_~#gf_u~4.base, isinf_float_~#gf_u~4.offset, 4bv32);call isinf_float_#t~mem13 := read~intINTTYPE4(isinf_float_~#gf_u~4.base, isinf_float_~#gf_u~4.offset, 4bv32);isinf_float_~ix~1 := isinf_float_#t~mem13;call write~intFLOATTYPE4(isinf_float_#t~union14, isinf_float_~#gf_u~4.base, isinf_float_~#gf_u~4.offset, 4bv32);havoc isinf_float_#t~mem13;havoc isinf_float_#t~union14;call ULTIMATE.dealloc(isinf_float_~#gf_u~4.base, isinf_float_~#gf_u~4.offset);havoc isinf_float_~#gf_u~4.base, isinf_float_~#gf_u~4.offset; {605#(= (fp.add roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)) (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~1)))} is VALID [2020-07-28 17:53:34,570 INFO L280 TraceCheckUtils]: 10: Hoare triple {605#(= (fp.add roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)) (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~1)))} goto; {605#(= (fp.add roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)) (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~1)))} is VALID [2020-07-28 17:53:34,572 INFO L280 TraceCheckUtils]: 11: Hoare triple {605#(= (fp.add roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)) (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~1)))} isinf_float_~ix~1 := ~bvand32(2147483647bv32, isinf_float_~ix~1);isinf_float_#res := (if 2139095040bv32 == isinf_float_~ix~1 then 1bv32 else 0bv32); {612#(= (bvadd |ULTIMATE.start_isinf_float_#res| (_ bv4294967295 32)) (_ bv0 32))} is VALID [2020-07-28 17:53:34,575 INFO L280 TraceCheckUtils]: 12: Hoare triple {612#(= (bvadd |ULTIMATE.start_isinf_float_#res| (_ bv4294967295 32)) (_ bv0 32))} main_#t~ret16 := isinf_float_#res; {616#(= (bvadd |ULTIMATE.start_main_#t~ret16| (_ bv4294967295 32)) (_ bv0 32))} is VALID [2020-07-28 17:53:34,577 INFO L280 TraceCheckUtils]: 13: Hoare triple {616#(= (bvadd |ULTIMATE.start_main_#t~ret16| (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == main_#t~ret16;havoc main_#t~ret16; {570#false} is VALID [2020-07-28 17:53:34,577 INFO L280 TraceCheckUtils]: 14: Hoare triple {570#false} assume !false; {570#false} is VALID [2020-07-28 17:53:34,578 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 17:53:34,578 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:53:35,630 INFO L280 TraceCheckUtils]: 14: Hoare triple {570#false} assume !false; {570#false} is VALID [2020-07-28 17:53:35,631 INFO L280 TraceCheckUtils]: 13: Hoare triple {626#(not (= (_ bv0 32) |ULTIMATE.start_main_#t~ret16|))} assume 0bv32 == main_#t~ret16;havoc main_#t~ret16; {570#false} is VALID [2020-07-28 17:53:35,632 INFO L280 TraceCheckUtils]: 12: Hoare triple {630#(not (= |ULTIMATE.start_isinf_float_#res| (_ bv0 32)))} main_#t~ret16 := isinf_float_#res; {626#(not (= (_ bv0 32) |ULTIMATE.start_main_#t~ret16|))} is VALID [2020-07-28 17:53:35,633 INFO L280 TraceCheckUtils]: 11: Hoare triple {634#(= (bvadd (bvand (_ bv2147483647 32) ULTIMATE.start_isinf_float_~ix~1) (_ bv2155872256 32)) (_ bv0 32))} isinf_float_~ix~1 := ~bvand32(2147483647bv32, isinf_float_~ix~1);isinf_float_#res := (if 2139095040bv32 == isinf_float_~ix~1 then 1bv32 else 0bv32); {630#(not (= |ULTIMATE.start_isinf_float_#res| (_ bv0 32)))} is VALID [2020-07-28 17:53:35,633 INFO L280 TraceCheckUtils]: 10: Hoare triple {634#(= (bvadd (bvand (_ bv2147483647 32) ULTIMATE.start_isinf_float_~ix~1) (_ bv2155872256 32)) (_ bv0 32))} goto; {634#(= (bvadd (bvand (_ bv2147483647 32) ULTIMATE.start_isinf_float_~ix~1) (_ bv2155872256 32)) (_ bv0 32))} is VALID [2020-07-28 17:53:35,637 INFO L280 TraceCheckUtils]: 9: Hoare triple {641#(forall ((v_ULTIMATE.start_isinf_float_~ix~1_13 (_ BitVec 32))) (or (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_13) (_ bv2155872256 32)) (_ bv0 32)) (not (= (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_13)) ULTIMATE.start_isinf_float_~x))))} call isinf_float_~#gf_u~4.base, isinf_float_~#gf_u~4.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(isinf_float_~x, isinf_float_~#gf_u~4.base, isinf_float_~#gf_u~4.offset, 4bv32);call isinf_float_#t~mem13 := read~intINTTYPE4(isinf_float_~#gf_u~4.base, isinf_float_~#gf_u~4.offset, 4bv32);isinf_float_~ix~1 := isinf_float_#t~mem13;call write~intFLOATTYPE4(isinf_float_#t~union14, isinf_float_~#gf_u~4.base, isinf_float_~#gf_u~4.offset, 4bv32);havoc isinf_float_#t~mem13;havoc isinf_float_#t~union14;call ULTIMATE.dealloc(isinf_float_~#gf_u~4.base, isinf_float_~#gf_u~4.offset);havoc isinf_float_~#gf_u~4.base, isinf_float_~#gf_u~4.offset; {634#(= (bvadd (bvand (_ bv2147483647 32) ULTIMATE.start_isinf_float_~ix~1) (_ bv2155872256 32)) (_ bv0 32))} is VALID [2020-07-28 17:53:35,639 INFO L280 TraceCheckUtils]: 8: Hoare triple {645#(forall ((v_ULTIMATE.start_isinf_float_~ix~1_13 (_ BitVec 32))) (or (not (= (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_13)) |ULTIMATE.start___ieee754_log10f_#res|)) (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_13) (_ bv2155872256 32)) (_ bv0 32))))} main_#t~ret15 := __ieee754_log10f_#res;main_~res~0 := main_#t~ret15;havoc main_#t~ret15;isinf_float_#in~x := main_~res~0;havoc isinf_float_#res;havoc isinf_float_#t~mem13, isinf_float_#t~union14, isinf_float_~#gf_u~4.base, isinf_float_~#gf_u~4.offset, isinf_float_~x, isinf_float_~ix~1;isinf_float_~x := isinf_float_#in~x;havoc isinf_float_~ix~1; {641#(forall ((v_ULTIMATE.start_isinf_float_~ix~1_13 (_ BitVec 32))) (or (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_13) (_ bv2155872256 32)) (_ bv0 32)) (not (= (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_13)) ULTIMATE.start_isinf_float_~x))))} is VALID [2020-07-28 17:53:35,651 INFO L280 TraceCheckUtils]: 7: Hoare triple {649#(forall ((v_ULTIMATE.start_isinf_float_~ix~1_13 (_ BitVec 32))) (or (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_13) (_ bv2155872256 32)) (_ bv0 32)) (not (= (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_13)) (fp.add currentRoundingMode ULTIMATE.start___ieee754_log10f_~x ULTIMATE.start___ieee754_log10f_~x)))))} assume !~bvslt32(__ieee754_log10f_~hx~0, 2139095040bv32);__ieee754_log10f_#res := ~fp.add~FLOAT(currentRoundingMode, __ieee754_log10f_~x, __ieee754_log10f_~x); {645#(forall ((v_ULTIMATE.start_isinf_float_~ix~1_13 (_ BitVec 32))) (or (not (= (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_13)) |ULTIMATE.start___ieee754_log10f_#res|)) (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_13) (_ bv2155872256 32)) (_ bv0 32))))} is VALID [2020-07-28 17:53:35,652 INFO L280 TraceCheckUtils]: 6: Hoare triple {649#(forall ((v_ULTIMATE.start_isinf_float_~ix~1_13 (_ BitVec 32))) (or (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_13) (_ bv2155872256 32)) (_ bv0 32)) (not (= (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_13)) (fp.add currentRoundingMode ULTIMATE.start___ieee754_log10f_~x ULTIMATE.start___ieee754_log10f_~x)))))} assume !~bvslt32(__ieee754_log10f_~hx~0, 0bv32); {649#(forall ((v_ULTIMATE.start_isinf_float_~ix~1_13 (_ BitVec 32))) (or (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_13) (_ bv2155872256 32)) (_ bv0 32)) (not (= (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_13)) (fp.add currentRoundingMode ULTIMATE.start___ieee754_log10f_~x ULTIMATE.start___ieee754_log10f_~x)))))} is VALID [2020-07-28 17:53:35,657 INFO L280 TraceCheckUtils]: 5: Hoare triple {649#(forall ((v_ULTIMATE.start_isinf_float_~ix~1_13 (_ BitVec 32))) (or (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_13) (_ bv2155872256 32)) (_ bv0 32)) (not (= (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_13)) (fp.add currentRoundingMode ULTIMATE.start___ieee754_log10f_~x ULTIMATE.start___ieee754_log10f_~x)))))} assume !(0bv32 == ~bvand32(2147483647bv32, __ieee754_log10f_~hx~0)); {649#(forall ((v_ULTIMATE.start_isinf_float_~ix~1_13 (_ BitVec 32))) (or (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_13) (_ bv2155872256 32)) (_ bv0 32)) (not (= (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_13)) (fp.add currentRoundingMode ULTIMATE.start___ieee754_log10f_~x ULTIMATE.start___ieee754_log10f_~x)))))} is VALID [2020-07-28 17:53:35,658 INFO L280 TraceCheckUtils]: 4: Hoare triple {649#(forall ((v_ULTIMATE.start_isinf_float_~ix~1_13 (_ BitVec 32))) (or (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_13) (_ bv2155872256 32)) (_ bv0 32)) (not (= (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_13)) (fp.add currentRoundingMode ULTIMATE.start___ieee754_log10f_~x ULTIMATE.start___ieee754_log10f_~x)))))} __ieee754_log10f_~k~1 := 0bv32; {649#(forall ((v_ULTIMATE.start_isinf_float_~ix~1_13 (_ BitVec 32))) (or (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_13) (_ bv2155872256 32)) (_ bv0 32)) (not (= (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_13)) (fp.add currentRoundingMode ULTIMATE.start___ieee754_log10f_~x ULTIMATE.start___ieee754_log10f_~x)))))} is VALID [2020-07-28 17:53:35,659 INFO L280 TraceCheckUtils]: 3: Hoare triple {649#(forall ((v_ULTIMATE.start_isinf_float_~ix~1_13 (_ BitVec 32))) (or (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_13) (_ bv2155872256 32)) (_ bv0 32)) (not (= (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_13)) (fp.add currentRoundingMode ULTIMATE.start___ieee754_log10f_~x ULTIMATE.start___ieee754_log10f_~x)))))} goto; {649#(forall ((v_ULTIMATE.start_isinf_float_~ix~1_13 (_ BitVec 32))) (or (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_13) (_ bv2155872256 32)) (_ bv0 32)) (not (= (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_13)) (fp.add currentRoundingMode ULTIMATE.start___ieee754_log10f_~x ULTIMATE.start___ieee754_log10f_~x)))))} is VALID [2020-07-28 17:53:35,660 INFO L280 TraceCheckUtils]: 2: Hoare triple {649#(forall ((v_ULTIMATE.start_isinf_float_~ix~1_13 (_ BitVec 32))) (or (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_13) (_ bv2155872256 32)) (_ bv0 32)) (not (= (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_13)) (fp.add currentRoundingMode ULTIMATE.start___ieee754_log10f_~x ULTIMATE.start___ieee754_log10f_~x)))))} call __ieee754_log10f_~#gf_u~2.base, __ieee754_log10f_~#gf_u~2.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_log10f_~x, __ieee754_log10f_~#gf_u~2.base, __ieee754_log10f_~#gf_u~2.offset, 4bv32);call __ieee754_log10f_#t~mem6 := read~intINTTYPE4(__ieee754_log10f_~#gf_u~2.base, __ieee754_log10f_~#gf_u~2.offset, 4bv32);__ieee754_log10f_~hx~0 := __ieee754_log10f_#t~mem6;call write~intFLOATTYPE4(__ieee754_log10f_#t~union7, __ieee754_log10f_~#gf_u~2.base, __ieee754_log10f_~#gf_u~2.offset, 4bv32);havoc __ieee754_log10f_#t~union7;havoc __ieee754_log10f_#t~mem6;call ULTIMATE.dealloc(__ieee754_log10f_~#gf_u~2.base, __ieee754_log10f_~#gf_u~2.offset);havoc __ieee754_log10f_~#gf_u~2.base, __ieee754_log10f_~#gf_u~2.offset; {649#(forall ((v_ULTIMATE.start_isinf_float_~ix~1_13 (_ BitVec 32))) (or (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_13) (_ bv2155872256 32)) (_ bv0 32)) (not (= (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_13)) (fp.add currentRoundingMode ULTIMATE.start___ieee754_log10f_~x ULTIMATE.start___ieee754_log10f_~x)))))} is VALID [2020-07-28 17:53:35,675 INFO L280 TraceCheckUtils]: 1: Hoare triple {569#true} havoc main_#res;havoc main_#t~ret15, main_#t~ret16, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());__ieee754_log10f_#in~x := main_~x~0;havoc __ieee754_log10f_#res;havoc __ieee754_log10f_#t~mem6, __ieee754_log10f_#t~union7, __ieee754_log10f_~#gf_u~2.base, __ieee754_log10f_~#gf_u~2.offset, __ieee754_log10f_#t~mem8, __ieee754_log10f_#t~union9, __ieee754_log10f_~#gf_u~3.base, __ieee754_log10f_~#gf_u~3.offset, __ieee754_log10f_#t~mem10, __ieee754_log10f_#t~union11, __ieee754_log10f_~#sf_u~1.base, __ieee754_log10f_~#sf_u~1.offset, __ieee754_log10f_#t~ret12, __ieee754_log10f_~x, __ieee754_log10f_~y~0, __ieee754_log10f_~z~1, __ieee754_log10f_~i~1, __ieee754_log10f_~k~1, __ieee754_log10f_~hx~0;__ieee754_log10f_~x := __ieee754_log10f_#in~x;havoc __ieee754_log10f_~y~0;havoc __ieee754_log10f_~z~1;havoc __ieee754_log10f_~i~1;havoc __ieee754_log10f_~k~1;havoc __ieee754_log10f_~hx~0; {649#(forall ((v_ULTIMATE.start_isinf_float_~ix~1_13 (_ BitVec 32))) (or (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_13) (_ bv2155872256 32)) (_ bv0 32)) (not (= (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_13) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_13) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_13)) (fp.add currentRoundingMode ULTIMATE.start___ieee754_log10f_~x ULTIMATE.start___ieee754_log10f_~x)))))} is VALID [2020-07-28 17:53:35,675 INFO L280 TraceCheckUtils]: 0: Hoare triple {569#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~ln2_hi_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.69313812256));~ln2_lo_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 9.0580006145E-6));~two25_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.3554432E7));~Lg1_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.66666668653));~Lg2_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.40000000596));~Lg3_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.28571429849));~Lg4_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.22222198546));~Lg5_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.1818357259));~Lg6_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.15313838422));~Lg7_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.1479819864));~zero_log~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE());~two25_log10~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.3554432E7));~ivln10_log10~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.43429449201));~log10_2hi_log10~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.30102920532));~log10_2lo_log10~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.9034151668E-7));~zero~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE()); {569#true} is VALID [2020-07-28 17:53:35,677 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 17:53:35,677 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1488829501] [2020-07-28 17:53:35,678 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:53:35,678 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 15 [2020-07-28 17:53:35,678 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474322207] [2020-07-28 17:53:35,679 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 15 [2020-07-28 17:53:35,679 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:53:35,679 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states. [2020-07-28 17:53:35,850 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:53:35,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-28 17:53:35,850 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:53:35,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-28 17:53:35,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2020-07-28 17:53:35,851 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 15 states. [2020-07-28 17:53:36,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:53:36,724 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2020-07-28 17:53:36,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-28 17:53:36,724 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 15 [2020-07-28 17:53:36,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:53:36,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-07-28 17:53:36,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 15 transitions. [2020-07-28 17:53:36,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-07-28 17:53:36,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 15 transitions. [2020-07-28 17:53:36,726 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 15 transitions. [2020-07-28 17:53:36,791 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 15 edges. 15 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:53:36,792 INFO L225 Difference]: With dead ends: 16 [2020-07-28 17:53:36,792 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 17:53:36,793 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2020-07-28 17:53:36,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 17:53:36,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 17:53:36,793 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:53:36,794 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 17:53:36,794 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 17:53:36,794 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 17:53:36,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:53:36,794 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 17:53:36,794 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:53:36,794 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:53:36,795 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:53:36,795 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 17:53:36,795 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 17:53:36,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:53:36,796 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 17:53:36,796 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:53:36,796 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:53:36,796 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:53:36,797 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:53:36,797 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:53:36,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 17:53:36,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 17:53:36,797 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2020-07-28 17:53:36,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:53:36,797 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 17:53:36,798 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-28 17:53:36,798 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:53:36,798 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:53:37,005 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-07-28 17:53:37,010 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 17:53:37,351 INFO L264 CegarLoopResult]: At program point L93(lines 19 95) the Hoare annotation is: false [2020-07-28 17:53:37,351 INFO L268 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-07-28 17:53:37,351 INFO L268 CegarLoopResult]: For program point L36(lines 36 44) no Hoare annotation was computed. [2020-07-28 17:53:37,352 INFO L268 CegarLoopResult]: For program point L36-1(lines 36 44) no Hoare annotation was computed. [2020-07-28 17:53:37,352 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 17:53:37,352 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 17:53:37,353 INFO L264 CegarLoopResult]: At program point L152(lines 144 153) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven .cse1 .cse1)))) (and (= .cse0 (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~1))) (= (_ bv0 32) (bvadd |ULTIMATE.start_isinf_float_#res| (_ bv4294967295 32))) (= .cse0 ULTIMATE.start_isinf_float_~x) (= .cse0 |ULTIMATE.start___ieee754_log10f_#res|) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_log10f_~x) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_log10f_~hx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_log10f_~hx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_log10f_~hx~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (= currentRoundingMode roundNearestTiesToEven))) [2020-07-28 17:53:37,353 INFO L268 CegarLoopResult]: For program point L119(lines 119 120) no Hoare annotation was computed. [2020-07-28 17:53:37,353 INFO L268 CegarLoopResult]: For program point L30(lines 30 31) no Hoare annotation was computed. [2020-07-28 17:53:37,353 INFO L268 CegarLoopResult]: For program point L121(lines 121 129) no Hoare annotation was computed. [2020-07-28 17:53:37,353 INFO L268 CegarLoopResult]: For program point L121-1(lines 121 129) no Hoare annotation was computed. [2020-07-28 17:53:37,353 INFO L268 CegarLoopResult]: For program point L55(lines 55 71) no Hoare annotation was computed. [2020-07-28 17:53:37,353 INFO L268 CegarLoopResult]: For program point L146-1(lines 146 150) no Hoare annotation was computed. [2020-07-28 17:53:37,353 INFO L264 CegarLoopResult]: At program point L146-2(lines 146 150) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven .cse1 .cse1)))) (and (= .cse0 ULTIMATE.start_isinf_float_~x) (= .cse0 |ULTIMATE.start___ieee754_log10f_#res|) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_log10f_~x) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_log10f_~hx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_log10f_~hx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_log10f_~hx~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (= currentRoundingMode roundNearestTiesToEven))) [2020-07-28 17:53:37,354 INFO L268 CegarLoopResult]: For program point L146-3(lines 146 150) no Hoare annotation was computed. [2020-07-28 17:53:37,354 INFO L271 CegarLoopResult]: At program point L171(lines 155 172) the Hoare annotation is: true [2020-07-28 17:53:37,354 INFO L268 CegarLoopResult]: For program point L39-1(lines 39 43) no Hoare annotation was computed. [2020-07-28 17:53:37,354 INFO L264 CegarLoopResult]: At program point L39-2(lines 39 43) the Hoare annotation is: false [2020-07-28 17:53:37,354 INFO L268 CegarLoopResult]: For program point L56(lines 56 63) no Hoare annotation was computed. [2020-07-28 17:53:37,354 INFO L268 CegarLoopResult]: For program point L23-1(lines 23 27) no Hoare annotation was computed. [2020-07-28 17:53:37,354 INFO L264 CegarLoopResult]: At program point L23-2(lines 23 27) the Hoare annotation is: false [2020-07-28 17:53:37,354 INFO L268 CegarLoopResult]: For program point L23-3(lines 23 27) no Hoare annotation was computed. [2020-07-28 17:53:37,354 INFO L268 CegarLoopResult]: For program point L48-1(lines 48 52) no Hoare annotation was computed. [2020-07-28 17:53:37,355 INFO L264 CegarLoopResult]: At program point L48-2(lines 48 52) the Hoare annotation is: false [2020-07-28 17:53:37,355 INFO L268 CegarLoopResult]: For program point L48-3(lines 48 52) no Hoare annotation was computed. [2020-07-28 17:53:37,355 INFO L268 CegarLoopResult]: For program point L65(lines 65 70) no Hoare annotation was computed. [2020-07-28 17:53:37,355 INFO L268 CegarLoopResult]: For program point L32(lines 32 33) no Hoare annotation was computed. [2020-07-28 17:53:37,355 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 17:53:37,355 INFO L268 CegarLoopResult]: For program point L90(lines 90 93) no Hoare annotation was computed. [2020-07-28 17:53:37,356 INFO L268 CegarLoopResult]: For program point L57(lines 57 62) no Hoare annotation was computed. [2020-07-28 17:53:37,356 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 168) no Hoare annotation was computed. [2020-07-28 17:53:37,356 INFO L268 CegarLoopResult]: For program point L115(lines 115 116) no Hoare annotation was computed. [2020-07-28 17:53:37,357 INFO L268 CegarLoopResult]: For program point L82(lines 82 94) no Hoare annotation was computed. [2020-07-28 17:53:37,357 INFO L264 CegarLoopResult]: At program point L140(lines 104 141) the Hoare annotation is: (and (= (let ((.cse0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start___ieee754_log10f_#res|) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_log10f_~x) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_log10f_~hx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_log10f_~hx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_log10f_~hx~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (= currentRoundingMode roundNearestTiesToEven)) [2020-07-28 17:53:37,357 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 17:53:37,357 INFO L268 CegarLoopResult]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2020-07-28 17:53:37,358 INFO L264 CegarLoopResult]: At program point L124-2(lines 124 128) the Hoare annotation is: false [2020-07-28 17:53:37,358 INFO L268 CegarLoopResult]: For program point L108-1(lines 108 112) no Hoare annotation was computed. [2020-07-28 17:53:37,358 INFO L264 CegarLoopResult]: At program point L108-2(lines 108 112) the Hoare annotation is: (and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_log10f_~x) (= currentRoundingMode roundNearestTiesToEven)) [2020-07-28 17:53:37,358 INFO L268 CegarLoopResult]: For program point L108-3(lines 108 112) no Hoare annotation was computed. [2020-07-28 17:53:37,358 INFO L268 CegarLoopResult]: For program point L34(lines 34 35) no Hoare annotation was computed. [2020-07-28 17:53:37,359 INFO L268 CegarLoopResult]: For program point L117(lines 117 118) no Hoare annotation was computed. [2020-07-28 17:53:37,359 INFO L268 CegarLoopResult]: For program point L84(lines 84 88) no Hoare annotation was computed. [2020-07-28 17:53:37,359 INFO L268 CegarLoopResult]: For program point L167(lines 167 170) no Hoare annotation was computed. [2020-07-28 17:53:37,359 INFO L268 CegarLoopResult]: For program point L134-1(lines 134 138) no Hoare annotation was computed. [2020-07-28 17:53:37,359 INFO L264 CegarLoopResult]: At program point L134-2(lines 134 138) the Hoare annotation is: false [2020-07-28 17:53:37,360 INFO L268 CegarLoopResult]: For program point L134-3(lines 134 138) no Hoare annotation was computed. [2020-07-28 17:53:37,364 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 17:53:37,364 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 17:53:37,365 WARN L170 areAnnotationChecker]: L108-1 has no Hoare annotation [2020-07-28 17:53:37,365 WARN L170 areAnnotationChecker]: L108-3 has no Hoare annotation [2020-07-28 17:53:37,365 WARN L170 areAnnotationChecker]: L108-1 has no Hoare annotation [2020-07-28 17:53:37,365 WARN L170 areAnnotationChecker]: L108-1 has no Hoare annotation [2020-07-28 17:53:37,365 WARN L170 areAnnotationChecker]: L108-3 has no Hoare annotation [2020-07-28 17:53:37,365 WARN L170 areAnnotationChecker]: L115 has no Hoare annotation [2020-07-28 17:53:37,365 WARN L170 areAnnotationChecker]: L115 has no Hoare annotation [2020-07-28 17:53:37,366 WARN L170 areAnnotationChecker]: L117 has no Hoare annotation [2020-07-28 17:53:37,366 WARN L170 areAnnotationChecker]: L117 has no Hoare annotation [2020-07-28 17:53:37,366 WARN L170 areAnnotationChecker]: L146-1 has no Hoare annotation [2020-07-28 17:53:37,367 WARN L170 areAnnotationChecker]: L146-3 has no Hoare annotation [2020-07-28 17:53:37,367 WARN L170 areAnnotationChecker]: L119 has no Hoare annotation [2020-07-28 17:53:37,367 WARN L170 areAnnotationChecker]: L119 has no Hoare annotation [2020-07-28 17:53:37,367 WARN L170 areAnnotationChecker]: L146-1 has no Hoare annotation [2020-07-28 17:53:37,367 WARN L170 areAnnotationChecker]: L146-1 has no Hoare annotation [2020-07-28 17:53:37,367 WARN L170 areAnnotationChecker]: L146-3 has no Hoare annotation [2020-07-28 17:53:37,367 WARN L170 areAnnotationChecker]: L121 has no Hoare annotation [2020-07-28 17:53:37,367 WARN L170 areAnnotationChecker]: L121 has no Hoare annotation [2020-07-28 17:53:37,367 WARN L170 areAnnotationChecker]: L167 has no Hoare annotation [2020-07-28 17:53:37,368 WARN L170 areAnnotationChecker]: L124-1 has no Hoare annotation [2020-07-28 17:53:37,368 WARN L170 areAnnotationChecker]: L121-1 has no Hoare annotation [2020-07-28 17:53:37,368 WARN L170 areAnnotationChecker]: L121-1 has no Hoare annotation [2020-07-28 17:53:37,368 WARN L170 areAnnotationChecker]: L167 has no Hoare annotation [2020-07-28 17:53:37,368 WARN L170 areAnnotationChecker]: L167 has no Hoare annotation [2020-07-28 17:53:37,368 WARN L170 areAnnotationChecker]: L124-1 has no Hoare annotation [2020-07-28 17:53:37,369 WARN L170 areAnnotationChecker]: L124-1 has no Hoare annotation [2020-07-28 17:53:37,369 WARN L170 areAnnotationChecker]: L134-1 has no Hoare annotation [2020-07-28 17:53:37,369 WARN L170 areAnnotationChecker]: L134-3 has no Hoare annotation [2020-07-28 17:53:37,369 WARN L170 areAnnotationChecker]: L168 has no Hoare annotation [2020-07-28 17:53:37,369 WARN L170 areAnnotationChecker]: L168 has no Hoare annotation [2020-07-28 17:53:37,369 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:53:37,369 WARN L170 areAnnotationChecker]: L134-1 has no Hoare annotation [2020-07-28 17:53:37,369 WARN L170 areAnnotationChecker]: L134-1 has no Hoare annotation [2020-07-28 17:53:37,370 WARN L170 areAnnotationChecker]: L134-3 has no Hoare annotation [2020-07-28 17:53:37,370 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:53:37,370 WARN L170 areAnnotationChecker]: L23-1 has no Hoare annotation [2020-07-28 17:53:37,370 WARN L170 areAnnotationChecker]: L23-3 has no Hoare annotation [2020-07-28 17:53:37,370 WARN L170 areAnnotationChecker]: L23-1 has no Hoare annotation [2020-07-28 17:53:37,370 WARN L170 areAnnotationChecker]: L23-1 has no Hoare annotation [2020-07-28 17:53:37,370 WARN L170 areAnnotationChecker]: L23-3 has no Hoare annotation [2020-07-28 17:53:37,370 WARN L170 areAnnotationChecker]: L30 has no Hoare annotation [2020-07-28 17:53:37,370 WARN L170 areAnnotationChecker]: L30 has no Hoare annotation [2020-07-28 17:53:37,370 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-28 17:53:37,370 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-28 17:53:37,371 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-28 17:53:37,371 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-28 17:53:37,371 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2020-07-28 17:53:37,371 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2020-07-28 17:53:37,371 WARN L170 areAnnotationChecker]: L39-1 has no Hoare annotation [2020-07-28 17:53:37,371 WARN L170 areAnnotationChecker]: L36-1 has no Hoare annotation [2020-07-28 17:53:37,371 WARN L170 areAnnotationChecker]: L36-1 has no Hoare annotation [2020-07-28 17:53:37,371 WARN L170 areAnnotationChecker]: L39-1 has no Hoare annotation [2020-07-28 17:53:37,371 WARN L170 areAnnotationChecker]: L39-1 has no Hoare annotation [2020-07-28 17:53:37,371 WARN L170 areAnnotationChecker]: L48-1 has no Hoare annotation [2020-07-28 17:53:37,371 WARN L170 areAnnotationChecker]: L48-3 has no Hoare annotation [2020-07-28 17:53:37,372 WARN L170 areAnnotationChecker]: L48-1 has no Hoare annotation [2020-07-28 17:53:37,372 WARN L170 areAnnotationChecker]: L48-1 has no Hoare annotation [2020-07-28 17:53:37,372 WARN L170 areAnnotationChecker]: L48-3 has no Hoare annotation [2020-07-28 17:53:37,372 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-28 17:53:37,372 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-28 17:53:37,372 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-28 17:53:37,372 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-28 17:53:37,372 WARN L170 areAnnotationChecker]: L82 has no Hoare annotation [2020-07-28 17:53:37,372 WARN L170 areAnnotationChecker]: L82 has no Hoare annotation [2020-07-28 17:53:37,372 WARN L170 areAnnotationChecker]: L57 has no Hoare annotation [2020-07-28 17:53:37,373 WARN L170 areAnnotationChecker]: L57 has no Hoare annotation [2020-07-28 17:53:37,373 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-28 17:53:37,373 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-28 17:53:37,373 WARN L170 areAnnotationChecker]: L84 has no Hoare annotation [2020-07-28 17:53:37,373 WARN L170 areAnnotationChecker]: L84 has no Hoare annotation [2020-07-28 17:53:37,373 WARN L170 areAnnotationChecker]: L90 has no Hoare annotation [2020-07-28 17:53:37,373 WARN L170 areAnnotationChecker]: L90 has no Hoare annotation [2020-07-28 17:53:37,373 INFO L163 areAnnotationChecker]: CFG has 2 edges. 2 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 17:53:37,377 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,379 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:37,379 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:37,379 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:37,381 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,381 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:37,382 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:37,382 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:37,385 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,385 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,386 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,386 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,386 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,387 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,387 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,387 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,387 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,388 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,388 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:37,388 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:37,389 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,389 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:37,390 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:37,390 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:37,391 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,391 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,392 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,392 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,392 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,392 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,393 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,393 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,393 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,393 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,394 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:37,394 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:37,394 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,395 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:37,395 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:37,396 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:37,397 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,397 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,397 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,397 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,398 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,398 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:37,398 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:37,398 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,399 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:37,399 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:37,399 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:37,399 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,400 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,400 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,400 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,400 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,401 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:37,401 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:37,401 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,402 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:37,402 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:37,402 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:37,404 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,404 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,404 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,405 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,405 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,405 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,405 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,406 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,406 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,406 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,406 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,407 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,407 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,407 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,408 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,408 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:37,408 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:37,408 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,409 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:37,409 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:37,410 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:37,411 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,411 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,411 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,412 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,412 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,412 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,412 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,413 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,413 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,413 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,414 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,414 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,414 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,414 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,415 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,415 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:37,415 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:37,415 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,416 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:37,417 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:37,417 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:37,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 05:53:37 BoogieIcfgContainer [2020-07-28 17:53:37,420 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 17:53:37,420 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 17:53:37,421 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 17:53:37,421 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 17:53:37,422 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:53:08" (3/4) ... [2020-07-28 17:53:37,426 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 17:53:37,440 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 17:53:37,440 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-07-28 17:53:37,441 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 17:53:37,471 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == \result && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) == x) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2020-07-28 17:53:37,472 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == x && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == \result) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) == x) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2020-07-28 17:53:37,473 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == x) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == \result) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) == x) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2020-07-28 17:53:37,536 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 17:53:37,536 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 17:53:37,539 INFO L168 Benchmark]: Toolchain (without parser) took 45715.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -107.8 MB). Peak memory consumption was 59.0 MB. Max. memory is 11.5 GB. [2020-07-28 17:53:37,539 INFO L168 Benchmark]: CDTParser took 0.27 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 17:53:37,540 INFO L168 Benchmark]: CACSL2BoogieTranslator took 583.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 85.5 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -118.3 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2020-07-28 17:53:37,540 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2020-07-28 17:53:37,540 INFO L168 Benchmark]: Boogie Preprocessor took 109.37 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:53:37,541 INFO L168 Benchmark]: RCFGBuilder took 16324.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.4 MB). Peak memory consumption was 52.4 MB. Max. memory is 11.5 GB. [2020-07-28 17:53:37,541 INFO L168 Benchmark]: TraceAbstraction took 28480.98 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 81.3 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -63.4 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2020-07-28 17:53:37,542 INFO L168 Benchmark]: Witness Printer took 115.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 11.5 GB. [2020-07-28 17:53:37,544 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 0.27 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 583.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 85.5 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -118.3 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 93.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 109.37 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 16324.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.4 MB). Peak memory consumption was 52.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 28480.98 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 81.3 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -63.4 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Witness Printer took 115.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * 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: 168]: 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: 108]: Loop Invariant [2020-07-28 17:53:37,553 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,553 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:37,553 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:37,553 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:37,554 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,554 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:37,554 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:37,554 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: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 146]: Loop Invariant [2020-07-28 17:53:37,555 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,555 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,555 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,555 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,555 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,556 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,556 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,556 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,556 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,556 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,557 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:37,557 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:37,557 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,558 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:37,558 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:37,558 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:37,559 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,559 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,559 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,559 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,560 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,560 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,560 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,560 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,560 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,560 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,561 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:37,561 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:37,561 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,561 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:37,562 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:37,562 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == x && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == \result) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) == x) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 104]: Loop Invariant [2020-07-28 17:53:37,562 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,563 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,563 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,563 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,563 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,563 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:37,563 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:37,564 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,564 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:37,564 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:37,564 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:37,565 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,565 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,565 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,565 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,565 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,566 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:37,566 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:37,566 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,566 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:37,566 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:37,567 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == \result && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) == x) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 144]: Loop Invariant [2020-07-28 17:53:37,567 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,567 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,567 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,568 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,568 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,568 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,568 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,568 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,568 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,569 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,569 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,569 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,569 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,569 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,569 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,570 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:37,570 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:37,570 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,570 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:37,571 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:37,571 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:37,571 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,571 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,572 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,572 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,572 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,572 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,572 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,572 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,573 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,573 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,573 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,573 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,573 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,573 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,574 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,574 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:37,574 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:37,574 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:37,575 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:37,575 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:37,575 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((((~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == x) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == \result) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) == x) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 28.0s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 22.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 78 SDtfs, 61 SDslu, 42 SDs, 0 SdLazy, 45 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 16 NumberOfFragments, 207 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 36 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 72 ConstructedInterpolants, 13 QuantifiedInterpolants, 6456 SizeOfPredicates, 18 NumberOfNonLiveVariables, 159 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...