./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0730a.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_0730a.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 22720996e63b36cb2ef4e4d04061274514aafdad ............................................................................................................................................................................................................................................................................................................................................ 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_0730a.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 22720996e63b36cb2ef4e4d04061274514aafdad ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 17:48:58,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 17:48:58,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 17:48:58,527 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 17:48:58,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 17:48:58,530 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 17:48:58,532 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 17:48:58,543 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 17:48:58,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 17:48:58,551 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 17:48:58,553 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 17:48:58,555 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 17:48:58,556 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 17:48:58,561 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 17:48:58,562 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 17:48:58,564 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 17:48:58,566 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 17:48:58,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 17:48:58,572 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 17:48:58,577 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 17:48:58,583 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 17:48:58,587 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 17:48:58,589 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 17:48:58,590 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 17:48:58,594 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 17:48:58,594 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 17:48:58,595 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 17:48:58,597 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 17:48:58,598 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 17:48:58,599 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 17:48:58,599 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:48:58,600 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:48:58,601 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:48:58,602 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:48:58,604 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:48:58,604 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:48:58,605 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:48:58,606 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:48:58,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:48:58,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:48:58,609 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:48:58,610 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 17:48:58,647 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:48:58,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:48:58,651 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:48:58,653 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:48:58,654 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:48:58,654 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:48:58,654 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:48:58,655 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 17:48:58,655 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:48:58,655 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:48:58,656 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:48:58,657 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:48:58,657 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:48:58,657 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:48:58,658 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:48:58,658 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:48:58,658 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:48:58,659 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:48:58,659 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:48:58,659 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:48:58,659 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:48:58,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:48:58,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:48:58,661 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:48:58,661 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:48:58,661 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 17:48:58,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 17:48:58,662 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:48:58,662 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:48:58,662 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 -> 22720996e63b36cb2ef4e4d04061274514aafdad [2020-07-28 17:48:58,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:48:59,002 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:48:59,005 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:48:59,008 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:48:59,008 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:48:59,009 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0730a.c [2020-07-28 17:48:59,082 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57a3b8307/870ad03e09f342479b0227595925b904/FLAG091bab11c [2020-07-28 17:48:59,519 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:48:59,520 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0730a.c [2020-07-28 17:48:59,529 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57a3b8307/870ad03e09f342479b0227595925b904/FLAG091bab11c [2020-07-28 17:48:59,921 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57a3b8307/870ad03e09f342479b0227595925b904 [2020-07-28 17:48:59,925 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:48:59,928 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:48:59,929 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:48:59,929 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:48:59,933 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:48:59,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:48:59" (1/1) ... [2020-07-28 17:48:59,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23fb539e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:48:59, skipping insertion in model container [2020-07-28 17:48:59,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:48:59" (1/1) ... [2020-07-28 17:48:59,947 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:48:59,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:49:00,157 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:49:00,161 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 17:49:00,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:49:00,221 INFO L208 MainTranslator]: Completed translation [2020-07-28 17:49:00,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:49:00 WrapperNode [2020-07-28 17:49:00,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 17:49:00,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 17:49:00,222 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 17:49:00,223 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 17:49:00,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:49:00" (1/1) ... [2020-07-28 17:49:00,300 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:49:00" (1/1) ... [2020-07-28 17:49:00,339 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 17:49:00,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 17:49:00,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 17:49:00,340 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 17:49:00,348 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:49:00" (1/1) ... [2020-07-28 17:49:00,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:49:00" (1/1) ... [2020-07-28 17:49:00,351 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:49:00" (1/1) ... [2020-07-28 17:49:00,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:49:00" (1/1) ... [2020-07-28 17:49:00,363 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:49:00" (1/1) ... [2020-07-28 17:49:00,370 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:49:00" (1/1) ... [2020-07-28 17:49:00,373 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:49:00" (1/1) ... [2020-07-28 17:49:00,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 17:49:00,377 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 17:49:00,377 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 17:49:00,377 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 17:49:00,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:49:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:49:00,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 17:49:00,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-28 17:49:00,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-28 17:49:00,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-28 17:49:00,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 17:49:00,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 17:49:00,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-28 17:49:00,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 17:49:00,983 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 17:49:00,983 INFO L295 CfgBuilder]: Removed 16 assume(true) statements. [2020-07-28 17:49:00,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:49:00 BoogieIcfgContainer [2020-07-28 17:49:00,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 17:49:00,989 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 17:49:00,989 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 17:49:00,992 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 17:49:00,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 05:48:59" (1/3) ... [2020-07-28 17:49:00,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63b061a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:49:00, skipping insertion in model container [2020-07-28 17:49:00,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:49:00" (2/3) ... [2020-07-28 17:49:00,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63b061a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:49:00, skipping insertion in model container [2020-07-28 17:49:00,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:49:00" (3/3) ... [2020-07-28 17:49:00,996 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0730a.c [2020-07-28 17:49:01,007 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 17:49:01,015 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 17:49:01,030 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 17:49:01,052 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 17:49:01,052 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 17:49:01,052 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 17:49:01,053 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 17:49:01,053 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 17:49:01,053 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 17:49:01,053 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 17:49:01,054 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 17:49:01,071 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2020-07-28 17:49:01,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-28 17:49:01,078 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:49:01,079 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:49:01,080 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:49:01,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:49:01,085 INFO L82 PathProgramCache]: Analyzing trace with hash 175857115, now seen corresponding path program 1 times [2020-07-28 17:49:01,095 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 17:49:01,096 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730829428] [2020-07-28 17:49:01,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 17:49:01,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:49:01,240 INFO L280 TraceCheckUtils]: 0: Hoare triple {39#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~one_sqrt~0 := 1.0;~tiny_sqrt~0 := 1.0E-30; {39#true} is VALID [2020-07-28 17:49:01,240 INFO L280 TraceCheckUtils]: 1: Hoare triple {39#true} havoc main_#res;havoc main_#t~ret7, main_#t~ret8, main_~x~0, main_~res~0;main_~x~0 := ~someBinaryArithmeticFLOAToperation(1.0, 0.0);__ieee754_sqrtf_#in~x := main_~x~0;havoc __ieee754_sqrtf_#res;havoc __ieee754_sqrtf_#t~mem0, __ieee754_sqrtf_#t~union1, __ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset, __ieee754_sqrtf_#t~post2, __ieee754_sqrtf_#t~mem3, __ieee754_sqrtf_#t~union4, __ieee754_sqrtf_~#sf_u~0.base, __ieee754_sqrtf_~#sf_u~0.offset, __ieee754_sqrtf_~x, __ieee754_sqrtf_~z~0, __ieee754_sqrtf_~r~0, __ieee754_sqrtf_~hx~0, __ieee754_sqrtf_~ix~0, __ieee754_sqrtf_~s~0, __ieee754_sqrtf_~q~0, __ieee754_sqrtf_~m~0, __ieee754_sqrtf_~t~0, __ieee754_sqrtf_~i~0;__ieee754_sqrtf_~x := __ieee754_sqrtf_#in~x;havoc __ieee754_sqrtf_~z~0;havoc __ieee754_sqrtf_~r~0;havoc __ieee754_sqrtf_~hx~0;havoc __ieee754_sqrtf_~ix~0;havoc __ieee754_sqrtf_~s~0;havoc __ieee754_sqrtf_~q~0;havoc __ieee754_sqrtf_~m~0;havoc __ieee754_sqrtf_~t~0;havoc __ieee754_sqrtf_~i~0; {39#true} is VALID [2020-07-28 17:49:01,242 INFO L280 TraceCheckUtils]: 2: Hoare triple {39#true} assume !true; {40#false} is VALID [2020-07-28 17:49:01,242 INFO L280 TraceCheckUtils]: 3: Hoare triple {40#false} __ieee754_sqrtf_~hx~0 := ~bitwiseAnd(__ieee754_sqrtf_~ix~0, 2147483647); {40#false} is VALID [2020-07-28 17:49:01,243 INFO L280 TraceCheckUtils]: 4: Hoare triple {40#false} assume !(__ieee754_sqrtf_~hx~0 % 4294967296 < 2139095040);__ieee754_sqrtf_#res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(__ieee754_sqrtf_~x, __ieee754_sqrtf_~x), __ieee754_sqrtf_~x); {40#false} is VALID [2020-07-28 17:49:01,244 INFO L280 TraceCheckUtils]: 5: Hoare triple {40#false} main_#t~ret7 := __ieee754_sqrtf_#res;main_~res~0 := main_#t~ret7;havoc main_#t~ret7;isinf_float_#in~x := main_~res~0;havoc isinf_float_#res;havoc isinf_float_#t~mem5, isinf_float_#t~union6, isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, isinf_float_~x, isinf_float_~ix~1;isinf_float_~x := isinf_float_#in~x;havoc isinf_float_~ix~1; {40#false} is VALID [2020-07-28 17:49:01,244 INFO L280 TraceCheckUtils]: 6: Hoare triple {40#false} assume !true; {40#false} is VALID [2020-07-28 17:49:01,244 INFO L280 TraceCheckUtils]: 7: Hoare triple {40#false} isinf_float_~ix~1 := ~bitwiseAnd(isinf_float_~ix~1, 2147483647);isinf_float_#res := (if 2139095040 == isinf_float_~ix~1 then 1 else 0); {40#false} is VALID [2020-07-28 17:49:01,245 INFO L280 TraceCheckUtils]: 8: Hoare triple {40#false} main_#t~ret8 := isinf_float_#res;assume -2147483648 <= main_#t~ret8 && main_#t~ret8 <= 2147483647; {40#false} is VALID [2020-07-28 17:49:01,245 INFO L280 TraceCheckUtils]: 9: Hoare triple {40#false} assume 0 == main_#t~ret8;havoc main_#t~ret8; {40#false} is VALID [2020-07-28 17:49:01,245 INFO L280 TraceCheckUtils]: 10: Hoare triple {40#false} assume !false; {40#false} is VALID [2020-07-28 17:49:01,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:49:01,249 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730829428] [2020-07-28 17:49:01,251 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:49:01,251 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 17:49:01,252 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15494069] [2020-07-28 17:49:01,259 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-07-28 17:49:01,261 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:49:01,265 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 17:49:01,322 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 17:49:01,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 17:49:01,323 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 17:49:01,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 17:49:01,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:49:01,335 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 2 states. [2020-07-28 17:49:01,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:49:01,439 INFO L93 Difference]: Finished difference Result 70 states and 108 transitions. [2020-07-28 17:49:01,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 17:49:01,440 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-07-28 17:49:01,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:49:01,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:49:01,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 108 transitions. [2020-07-28 17:49:01,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:49:01,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 108 transitions. [2020-07-28 17:49:01,457 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 108 transitions. [2020-07-28 17:49:01,625 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 108 edges. 108 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:49:01,638 INFO L225 Difference]: With dead ends: 70 [2020-07-28 17:49:01,639 INFO L226 Difference]: Without dead ends: 33 [2020-07-28 17:49:01,642 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 17:49:01,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-07-28 17:49:01,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-07-28 17:49:01,687 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:49:01,688 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand 33 states. [2020-07-28 17:49:01,688 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 17:49:01,688 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 17:49:01,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:49:01,693 INFO L93 Difference]: Finished difference Result 33 states and 43 transitions. [2020-07-28 17:49:01,693 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2020-07-28 17:49:01,694 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:49:01,695 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:49:01,695 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 17:49:01,695 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 17:49:01,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:49:01,699 INFO L93 Difference]: Finished difference Result 33 states and 43 transitions. [2020-07-28 17:49:01,699 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2020-07-28 17:49:01,700 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:49:01,700 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:49:01,701 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:49:01,701 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:49:01,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-07-28 17:49:01,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 43 transitions. [2020-07-28 17:49:01,706 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 43 transitions. Word has length 11 [2020-07-28 17:49:01,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:49:01,706 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 43 transitions. [2020-07-28 17:49:01,707 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 17:49:01,707 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2020-07-28 17:49:01,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-28 17:49:01,708 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:49:01,708 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:49:01,708 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 17:49:01,709 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:49:01,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:49:01,709 INFO L82 PathProgramCache]: Analyzing trace with hash -1305768564, now seen corresponding path program 1 times [2020-07-28 17:49:01,710 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 17:49:01,710 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752427033] [2020-07-28 17:49:01,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 17:49:01,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 17:49:01,804 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 17:49:01,890 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 17:49:01,894 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.TableauxRow.(TableauxRow.java:45) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.generateLinVar(LinArSolve.java:275) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.createEquality(LinArSolve.java:1974) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createLAEquality(EqualityProxy.java:83) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createAtom(EqualityProxy.java:165) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.getLiteral(EqualityProxy.java:186) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createCCEquality(EqualityProxy.java:109) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.mbtc(LinArSolve.java:1891) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.computeConflictClause(LinArSolve.java:664) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.checkConsistency(DPLLEngine.java:1010) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.solve(DPLLEngine.java:1157) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol$CheckType$1.check(SMTInterpol.java:117) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.checkSatAssuming(SMTInterpol.java:494) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.checkSat(SMTInterpol.java:446) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:130) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:295) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:206) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.computeRcfgProgramExecutionAndDecodeBranches(TraceCheck.java:337) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:223) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-28 17:49:01,904 INFO L168 Benchmark]: Toolchain (without parser) took 1976.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 961.6 MB in the beginning and 1.0 GB in the end (delta: -71.4 MB). Peak memory consumption was 71.2 MB. Max. memory is 11.5 GB. [2020-07-28 17:49:01,905 INFO L168 Benchmark]: CDTParser took 0.74 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:49:01,906 INFO L168 Benchmark]: CACSL2BoogieTranslator took 292.57 ms. Allocated memory is still 1.0 GB. Free memory was 961.6 MB in the beginning and 945.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2020-07-28 17:49:01,908 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -186.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2020-07-28 17:49:01,909 INFO L168 Benchmark]: Boogie Preprocessor took 36.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. [2020-07-28 17:49:01,910 INFO L168 Benchmark]: RCFGBuilder took 611.18 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: 38.3 MB). Peak memory consumption was 38.3 MB. Max. memory is 11.5 GB. [2020-07-28 17:49:01,910 INFO L168 Benchmark]: TraceAbstraction took 911.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.4 MB). Peak memory consumption was 59.4 MB. Max. memory is 11.5 GB. [2020-07-28 17:49:01,915 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 0.74 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 292.57 ms. Allocated memory is still 1.0 GB. Free memory was 961.6 MB in the beginning and 945.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 117.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -186.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 611.18 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: 38.3 MB). Peak memory consumption was 38.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 911.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.4 MB). Peak memory consumption was 59.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: null: de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.TableauxRow.(TableauxRow.java:45) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 17:49:04,004 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 17:49:04,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 17:49:04,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 17:49:04,028 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 17:49:04,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 17:49:04,031 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 17:49:04,038 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 17:49:04,045 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 17:49:04,046 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 17:49:04,049 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 17:49:04,051 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 17:49:04,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 17:49:04,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 17:49:04,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 17:49:04,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 17:49:04,059 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 17:49:04,061 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 17:49:04,063 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 17:49:04,069 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 17:49:04,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 17:49:04,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 17:49:04,078 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 17:49:04,079 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 17:49:04,082 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 17:49:04,082 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 17:49:04,083 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 17:49:04,085 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 17:49:04,085 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 17:49:04,087 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 17:49:04,087 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:49:04,088 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:49:04,089 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:49:04,090 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:49:04,095 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:49:04,096 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:49:04,097 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:49:04,097 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:49:04,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:49:04,098 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:49:04,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:49:04,101 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-07-28 17:49:04,143 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:49:04,143 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:49:04,145 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:49:04,145 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:49:04,146 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:49:04,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:49:04,146 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:49:04,146 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:49:04,147 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:49:04,147 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:49:04,147 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:49:04,148 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:49:04,149 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-07-28 17:49:04,149 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-07-28 17:49:04,149 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:49:04,149 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:49:04,149 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:49:04,150 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:49:04,150 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:49:04,150 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:49:04,151 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:49:04,151 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:49:04,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:49:04,152 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:49:04,152 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:49:04,156 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:49:04,156 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-07-28 17:49:04,156 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-07-28 17:49:04,156 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:49:04,157 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:49:04,157 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-28 17:49:04,157 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 -> 22720996e63b36cb2ef4e4d04061274514aafdad [2020-07-28 17:49:04,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:49:04,528 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:49:04,533 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:49:04,535 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:49:04,536 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:49:04,537 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0730a.c [2020-07-28 17:49:04,600 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30b36d567/f82b792b59ec4a0b8e898fe1412f3cc9/FLAGb005f648a [2020-07-28 17:49:05,095 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:49:05,099 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0730a.c [2020-07-28 17:49:05,110 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30b36d567/f82b792b59ec4a0b8e898fe1412f3cc9/FLAGb005f648a [2020-07-28 17:49:05,476 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30b36d567/f82b792b59ec4a0b8e898fe1412f3cc9 [2020-07-28 17:49:05,479 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:49:05,483 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:49:05,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:49:05,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:49:05,488 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:49:05,490 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:49:05" (1/1) ... [2020-07-28 17:49:05,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a5575ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:49:05, skipping insertion in model container [2020-07-28 17:49:05,493 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:49:05" (1/1) ... [2020-07-28 17:49:05,501 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:49:05,529 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:49:05,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:49:05,750 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 17:49:05,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:49:05,918 INFO L208 MainTranslator]: Completed translation [2020-07-28 17:49:05,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:49:05 WrapperNode [2020-07-28 17:49:05,920 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 17:49:05,922 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 17:49:05,922 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 17:49:05,923 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 17:49:05,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:49:05" (1/1) ... [2020-07-28 17:49:05,942 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:49:05" (1/1) ... [2020-07-28 17:49:05,982 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 17:49:05,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 17:49:05,983 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 17:49:05,983 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 17:49:05,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:49:05" (1/1) ... [2020-07-28 17:49:05,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:49:05" (1/1) ... [2020-07-28 17:49:05,998 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:49:05" (1/1) ... [2020-07-28 17:49:05,998 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:49:05" (1/1) ... [2020-07-28 17:49:06,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:49:05" (1/1) ... [2020-07-28 17:49:06,022 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:49:05" (1/1) ... [2020-07-28 17:49:06,026 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:49:05" (1/1) ... [2020-07-28 17:49:06,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 17:49:06,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 17:49:06,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 17:49:06,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 17:49:06,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:49:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:49:06,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 17:49:06,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-07-28 17:49:06,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-07-28 17:49:06,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 17:49:06,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 17:49:06,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-07-28 17:49:06,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-07-28 17:49:06,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 17:49:07,268 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 17:49:07,269 INFO L295 CfgBuilder]: Removed 16 assume(true) statements. [2020-07-28 17:49:07,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:49:07 BoogieIcfgContainer [2020-07-28 17:49:07,275 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 17:49:07,277 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 17:49:07,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 17:49:07,281 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 17:49:07,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 05:49:05" (1/3) ... [2020-07-28 17:49:07,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@469b4f4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:49:07, skipping insertion in model container [2020-07-28 17:49:07,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:49:05" (2/3) ... [2020-07-28 17:49:07,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@469b4f4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:49:07, skipping insertion in model container [2020-07-28 17:49:07,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:49:07" (3/3) ... [2020-07-28 17:49:07,287 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0730a.c [2020-07-28 17:49:07,301 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 17:49:07,311 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 17:49:07,328 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 17:49:07,351 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 17:49:07,351 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 17:49:07,352 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 17:49:07,352 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 17:49:07,352 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 17:49:07,352 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 17:49:07,352 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 17:49:07,353 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 17:49:07,366 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2020-07-28 17:49:07,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-28 17:49:07,372 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:49:07,373 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:49:07,374 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:49:07,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:49:07,380 INFO L82 PathProgramCache]: Analyzing trace with hash 175857115, now seen corresponding path program 1 times [2020-07-28 17:49:07,394 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:49:07,395 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1077803329] [2020-07-28 17:49:07,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-07-28 17:49:07,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:49:07,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-28 17:49:07,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:49:07,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:49:07,640 INFO L280 TraceCheckUtils]: 0: Hoare triple {39#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~one_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~tiny_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30)); {39#true} is VALID [2020-07-28 17:49:07,641 INFO L280 TraceCheckUtils]: 1: Hoare triple {39#true} havoc main_#res;havoc main_#t~ret7, main_#t~ret8, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());__ieee754_sqrtf_#in~x := main_~x~0;havoc __ieee754_sqrtf_#res;havoc __ieee754_sqrtf_#t~mem0, __ieee754_sqrtf_#t~union1, __ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset, __ieee754_sqrtf_#t~post2, __ieee754_sqrtf_#t~mem3, __ieee754_sqrtf_#t~union4, __ieee754_sqrtf_~#sf_u~0.base, __ieee754_sqrtf_~#sf_u~0.offset, __ieee754_sqrtf_~x, __ieee754_sqrtf_~z~0, __ieee754_sqrtf_~r~0, __ieee754_sqrtf_~hx~0, __ieee754_sqrtf_~ix~0, __ieee754_sqrtf_~s~0, __ieee754_sqrtf_~q~0, __ieee754_sqrtf_~m~0, __ieee754_sqrtf_~t~0, __ieee754_sqrtf_~i~0;__ieee754_sqrtf_~x := __ieee754_sqrtf_#in~x;havoc __ieee754_sqrtf_~z~0;havoc __ieee754_sqrtf_~r~0;havoc __ieee754_sqrtf_~hx~0;havoc __ieee754_sqrtf_~ix~0;havoc __ieee754_sqrtf_~s~0;havoc __ieee754_sqrtf_~q~0;havoc __ieee754_sqrtf_~m~0;havoc __ieee754_sqrtf_~t~0;havoc __ieee754_sqrtf_~i~0; {39#true} is VALID [2020-07-28 17:49:07,652 INFO L280 TraceCheckUtils]: 2: Hoare triple {39#true} assume !true; {40#false} is VALID [2020-07-28 17:49:07,652 INFO L280 TraceCheckUtils]: 3: Hoare triple {40#false} __ieee754_sqrtf_~hx~0 := ~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0); {40#false} is VALID [2020-07-28 17:49:07,653 INFO L280 TraceCheckUtils]: 4: Hoare triple {40#false} assume !~bvult32(__ieee754_sqrtf_~hx~0, 2139095040bv32);__ieee754_sqrtf_#res := ~fp.add~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, __ieee754_sqrtf_~x, __ieee754_sqrtf_~x), __ieee754_sqrtf_~x); {40#false} is VALID [2020-07-28 17:49:07,653 INFO L280 TraceCheckUtils]: 5: Hoare triple {40#false} main_#t~ret7 := __ieee754_sqrtf_#res;main_~res~0 := main_#t~ret7;havoc main_#t~ret7;isinf_float_#in~x := main_~res~0;havoc isinf_float_#res;havoc isinf_float_#t~mem5, isinf_float_#t~union6, isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, isinf_float_~x, isinf_float_~ix~1;isinf_float_~x := isinf_float_#in~x;havoc isinf_float_~ix~1; {40#false} is VALID [2020-07-28 17:49:07,654 INFO L280 TraceCheckUtils]: 6: Hoare triple {40#false} assume !true; {40#false} is VALID [2020-07-28 17:49:07,654 INFO L280 TraceCheckUtils]: 7: Hoare triple {40#false} isinf_float_~ix~1 := ~bvand32(2147483647bv32, isinf_float_~ix~1);isinf_float_#res := (if 2139095040bv32 == isinf_float_~ix~1 then 1bv32 else 0bv32); {40#false} is VALID [2020-07-28 17:49:07,655 INFO L280 TraceCheckUtils]: 8: Hoare triple {40#false} main_#t~ret8 := isinf_float_#res; {40#false} is VALID [2020-07-28 17:49:07,655 INFO L280 TraceCheckUtils]: 9: Hoare triple {40#false} assume 0bv32 == main_#t~ret8;havoc main_#t~ret8; {40#false} is VALID [2020-07-28 17:49:07,656 INFO L280 TraceCheckUtils]: 10: Hoare triple {40#false} assume !false; {40#false} is VALID [2020-07-28 17:49:07,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:49:07,659 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:49:07,680 INFO L280 TraceCheckUtils]: 10: Hoare triple {40#false} assume !false; {40#false} is VALID [2020-07-28 17:49:07,680 INFO L280 TraceCheckUtils]: 9: Hoare triple {40#false} assume 0bv32 == main_#t~ret8;havoc main_#t~ret8; {40#false} is VALID [2020-07-28 17:49:07,681 INFO L280 TraceCheckUtils]: 8: Hoare triple {40#false} main_#t~ret8 := isinf_float_#res; {40#false} is VALID [2020-07-28 17:49:07,681 INFO L280 TraceCheckUtils]: 7: Hoare triple {40#false} isinf_float_~ix~1 := ~bvand32(2147483647bv32, isinf_float_~ix~1);isinf_float_#res := (if 2139095040bv32 == isinf_float_~ix~1 then 1bv32 else 0bv32); {40#false} is VALID [2020-07-28 17:49:07,684 INFO L280 TraceCheckUtils]: 6: Hoare triple {40#false} assume !true; {40#false} is VALID [2020-07-28 17:49:07,684 INFO L280 TraceCheckUtils]: 5: Hoare triple {40#false} main_#t~ret7 := __ieee754_sqrtf_#res;main_~res~0 := main_#t~ret7;havoc main_#t~ret7;isinf_float_#in~x := main_~res~0;havoc isinf_float_#res;havoc isinf_float_#t~mem5, isinf_float_#t~union6, isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, isinf_float_~x, isinf_float_~ix~1;isinf_float_~x := isinf_float_#in~x;havoc isinf_float_~ix~1; {40#false} is VALID [2020-07-28 17:49:07,685 INFO L280 TraceCheckUtils]: 4: Hoare triple {40#false} assume !~bvult32(__ieee754_sqrtf_~hx~0, 2139095040bv32);__ieee754_sqrtf_#res := ~fp.add~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, __ieee754_sqrtf_~x, __ieee754_sqrtf_~x), __ieee754_sqrtf_~x); {40#false} is VALID [2020-07-28 17:49:07,685 INFO L280 TraceCheckUtils]: 3: Hoare triple {40#false} __ieee754_sqrtf_~hx~0 := ~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0); {40#false} is VALID [2020-07-28 17:49:07,687 INFO L280 TraceCheckUtils]: 2: Hoare triple {39#true} assume !true; {40#false} is VALID [2020-07-28 17:49:07,688 INFO L280 TraceCheckUtils]: 1: Hoare triple {39#true} havoc main_#res;havoc main_#t~ret7, main_#t~ret8, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());__ieee754_sqrtf_#in~x := main_~x~0;havoc __ieee754_sqrtf_#res;havoc __ieee754_sqrtf_#t~mem0, __ieee754_sqrtf_#t~union1, __ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset, __ieee754_sqrtf_#t~post2, __ieee754_sqrtf_#t~mem3, __ieee754_sqrtf_#t~union4, __ieee754_sqrtf_~#sf_u~0.base, __ieee754_sqrtf_~#sf_u~0.offset, __ieee754_sqrtf_~x, __ieee754_sqrtf_~z~0, __ieee754_sqrtf_~r~0, __ieee754_sqrtf_~hx~0, __ieee754_sqrtf_~ix~0, __ieee754_sqrtf_~s~0, __ieee754_sqrtf_~q~0, __ieee754_sqrtf_~m~0, __ieee754_sqrtf_~t~0, __ieee754_sqrtf_~i~0;__ieee754_sqrtf_~x := __ieee754_sqrtf_#in~x;havoc __ieee754_sqrtf_~z~0;havoc __ieee754_sqrtf_~r~0;havoc __ieee754_sqrtf_~hx~0;havoc __ieee754_sqrtf_~ix~0;havoc __ieee754_sqrtf_~s~0;havoc __ieee754_sqrtf_~q~0;havoc __ieee754_sqrtf_~m~0;havoc __ieee754_sqrtf_~t~0;havoc __ieee754_sqrtf_~i~0; {39#true} is VALID [2020-07-28 17:49:07,688 INFO L280 TraceCheckUtils]: 0: Hoare triple {39#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~one_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~tiny_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30)); {39#true} is VALID [2020-07-28 17:49:07,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:49:07,690 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1077803329] [2020-07-28 17:49:07,692 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:49:07,692 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-07-28 17:49:07,693 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425389785] [2020-07-28 17:49:07,704 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-07-28 17:49:07,706 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:49:07,710 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 17:49:07,793 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 17:49:07,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 17:49:07,793 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:49:07,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 17:49:07,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:49:07,806 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 2 states. [2020-07-28 17:49:08,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:49:08,665 INFO L93 Difference]: Finished difference Result 70 states and 108 transitions. [2020-07-28 17:49:08,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 17:49:08,666 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-07-28 17:49:08,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:49:08,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:49:08,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 108 transitions. [2020-07-28 17:49:08,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:49:08,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 108 transitions. [2020-07-28 17:49:08,687 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 108 transitions. [2020-07-28 17:49:09,341 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 108 edges. 108 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:49:09,355 INFO L225 Difference]: With dead ends: 70 [2020-07-28 17:49:09,355 INFO L226 Difference]: Without dead ends: 33 [2020-07-28 17:49:09,359 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 17:49:09,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-07-28 17:49:09,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-07-28 17:49:09,409 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:49:09,409 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand 33 states. [2020-07-28 17:49:09,410 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 17:49:09,410 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 17:49:09,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:49:09,415 INFO L93 Difference]: Finished difference Result 33 states and 43 transitions. [2020-07-28 17:49:09,415 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2020-07-28 17:49:09,416 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:49:09,416 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:49:09,417 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 17:49:09,417 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 17:49:09,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:49:09,420 INFO L93 Difference]: Finished difference Result 33 states and 43 transitions. [2020-07-28 17:49:09,421 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2020-07-28 17:49:09,421 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:49:09,422 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:49:09,422 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:49:09,422 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:49:09,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-07-28 17:49:09,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 43 transitions. [2020-07-28 17:49:09,427 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 43 transitions. Word has length 11 [2020-07-28 17:49:09,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:49:09,428 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 43 transitions. [2020-07-28 17:49:09,428 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 17:49:09,428 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2020-07-28 17:49:09,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-28 17:49:09,429 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:49:09,429 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:49:09,645 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-07-28 17:49:09,645 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:49:09,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:49:09,646 INFO L82 PathProgramCache]: Analyzing trace with hash -1305768564, now seen corresponding path program 1 times [2020-07-28 17:49:09,647 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:49:09,647 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1528038822] [2020-07-28 17:49:09,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-07-28 17:49:09,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:49:09,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-28 17:49:09,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:49:09,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:49:10,030 INFO L523 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-28 17:49:10,121 INFO L280 TraceCheckUtils]: 0: Hoare triple {295#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~one_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~tiny_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30)); {300#(= currentRoundingMode roundNearestTiesToEven)} is VALID [2020-07-28 17:49:10,124 INFO L280 TraceCheckUtils]: 1: Hoare triple {300#(= currentRoundingMode roundNearestTiesToEven)} havoc main_#res;havoc main_#t~ret7, main_#t~ret8, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());__ieee754_sqrtf_#in~x := main_~x~0;havoc __ieee754_sqrtf_#res;havoc __ieee754_sqrtf_#t~mem0, __ieee754_sqrtf_#t~union1, __ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset, __ieee754_sqrtf_#t~post2, __ieee754_sqrtf_#t~mem3, __ieee754_sqrtf_#t~union4, __ieee754_sqrtf_~#sf_u~0.base, __ieee754_sqrtf_~#sf_u~0.offset, __ieee754_sqrtf_~x, __ieee754_sqrtf_~z~0, __ieee754_sqrtf_~r~0, __ieee754_sqrtf_~hx~0, __ieee754_sqrtf_~ix~0, __ieee754_sqrtf_~s~0, __ieee754_sqrtf_~q~0, __ieee754_sqrtf_~m~0, __ieee754_sqrtf_~t~0, __ieee754_sqrtf_~i~0;__ieee754_sqrtf_~x := __ieee754_sqrtf_#in~x;havoc __ieee754_sqrtf_~z~0;havoc __ieee754_sqrtf_~r~0;havoc __ieee754_sqrtf_~hx~0;havoc __ieee754_sqrtf_~ix~0;havoc __ieee754_sqrtf_~s~0;havoc __ieee754_sqrtf_~q~0;havoc __ieee754_sqrtf_~m~0;havoc __ieee754_sqrtf_~t~0;havoc __ieee754_sqrtf_~i~0; {304#(and (= ULTIMATE.start___ieee754_sqrtf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:49:10,126 INFO L280 TraceCheckUtils]: 2: Hoare triple {304#(and (= ULTIMATE.start___ieee754_sqrtf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven))} call __ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_sqrtf_~x, __ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset, 4bv32);call __ieee754_sqrtf_#t~mem0 := read~intINTTYPE4(__ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset, 4bv32);__ieee754_sqrtf_~ix~0 := __ieee754_sqrtf_#t~mem0;call write~intFLOATTYPE4(__ieee754_sqrtf_#t~union1, __ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset, 4bv32);havoc __ieee754_sqrtf_#t~union1;havoc __ieee754_sqrtf_#t~mem0;call ULTIMATE.dealloc(__ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset);havoc __ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset; {304#(and (= ULTIMATE.start___ieee754_sqrtf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:49:10,128 INFO L280 TraceCheckUtils]: 3: Hoare triple {304#(and (= ULTIMATE.start___ieee754_sqrtf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven))} goto; {304#(and (= ULTIMATE.start___ieee754_sqrtf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:49:10,129 INFO L280 TraceCheckUtils]: 4: Hoare triple {304#(and (= ULTIMATE.start___ieee754_sqrtf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven))} __ieee754_sqrtf_~hx~0 := ~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0); {304#(and (= ULTIMATE.start___ieee754_sqrtf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:49:10,130 INFO L280 TraceCheckUtils]: 5: Hoare triple {304#(and (= ULTIMATE.start___ieee754_sqrtf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven))} assume !~bvult32(__ieee754_sqrtf_~hx~0, 2139095040bv32);__ieee754_sqrtf_#res := ~fp.add~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, __ieee754_sqrtf_~x, __ieee754_sqrtf_~x), __ieee754_sqrtf_~x); {317#(= |ULTIMATE.start___ieee754_sqrtf_#res| (fp.add roundNearestTiesToEven (fp.mul 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.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))))} is VALID [2020-07-28 17:49:10,132 INFO L280 TraceCheckUtils]: 6: Hoare triple {317#(= |ULTIMATE.start___ieee754_sqrtf_#res| (fp.add roundNearestTiesToEven (fp.mul 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.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))))} main_#t~ret7 := __ieee754_sqrtf_#res;main_~res~0 := main_#t~ret7;havoc main_#t~ret7;isinf_float_#in~x := main_~res~0;havoc isinf_float_#res;havoc isinf_float_#t~mem5, isinf_float_#t~union6, isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, isinf_float_~x, isinf_float_~ix~1;isinf_float_~x := isinf_float_#in~x;havoc isinf_float_~ix~1; {321#(= (fp.add roundNearestTiesToEven (fp.mul 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.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) ULTIMATE.start_isinf_float_~x)} is VALID [2020-07-28 17:49:10,135 INFO L280 TraceCheckUtils]: 7: Hoare triple {321#(= (fp.add roundNearestTiesToEven (fp.mul 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.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) ULTIMATE.start_isinf_float_~x)} call isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(isinf_float_~x, isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, 4bv32);call isinf_float_#t~mem5 := read~intINTTYPE4(isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, 4bv32);isinf_float_~ix~1 := isinf_float_#t~mem5;call write~intFLOATTYPE4(isinf_float_#t~union6, isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, 4bv32);havoc isinf_float_#t~union6;havoc isinf_float_#t~mem5;call ULTIMATE.dealloc(isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset);havoc isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset; {325#(= (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~1)) (fp.add roundNearestTiesToEven (fp.mul 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.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))))} is VALID [2020-07-28 17:49:10,136 INFO L280 TraceCheckUtils]: 8: Hoare triple {325#(= (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~1)) (fp.add roundNearestTiesToEven (fp.mul 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.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))))} goto; {325#(= (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~1)) (fp.add roundNearestTiesToEven (fp.mul 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.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))))} is VALID [2020-07-28 17:49:10,138 INFO L280 TraceCheckUtils]: 9: Hoare triple {325#(= (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~1)) (fp.add roundNearestTiesToEven (fp.mul 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.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))))} isinf_float_~ix~1 := ~bvand32(2147483647bv32, isinf_float_~ix~1);isinf_float_#res := (if 2139095040bv32 == isinf_float_~ix~1 then 1bv32 else 0bv32); {332#(= (bvadd |ULTIMATE.start_isinf_float_#res| (_ bv4294967295 32)) (_ bv0 32))} is VALID [2020-07-28 17:49:10,139 INFO L280 TraceCheckUtils]: 10: Hoare triple {332#(= (bvadd |ULTIMATE.start_isinf_float_#res| (_ bv4294967295 32)) (_ bv0 32))} main_#t~ret8 := isinf_float_#res; {336#(= (bvadd |ULTIMATE.start_main_#t~ret8| (_ bv4294967295 32)) (_ bv0 32))} is VALID [2020-07-28 17:49:10,141 INFO L280 TraceCheckUtils]: 11: Hoare triple {336#(= (bvadd |ULTIMATE.start_main_#t~ret8| (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == main_#t~ret8;havoc main_#t~ret8; {296#false} is VALID [2020-07-28 17:49:10,141 INFO L280 TraceCheckUtils]: 12: Hoare triple {296#false} assume !false; {296#false} is VALID [2020-07-28 17:49:10,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:49:10,147 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:49:18,103 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2020-07-28 17:49:19,369 INFO L280 TraceCheckUtils]: 12: Hoare triple {296#false} assume !false; {296#false} is VALID [2020-07-28 17:49:19,376 INFO L280 TraceCheckUtils]: 11: Hoare triple {346#(not (= |ULTIMATE.start_main_#t~ret8| (_ bv0 32)))} assume 0bv32 == main_#t~ret8;havoc main_#t~ret8; {296#false} is VALID [2020-07-28 17:49:19,377 INFO L280 TraceCheckUtils]: 10: Hoare triple {350#(not (= |ULTIMATE.start_isinf_float_#res| (_ bv0 32)))} main_#t~ret8 := isinf_float_#res; {346#(not (= |ULTIMATE.start_main_#t~ret8| (_ bv0 32)))} is VALID [2020-07-28 17:49:19,378 INFO L280 TraceCheckUtils]: 9: Hoare triple {354#(= (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); {350#(not (= |ULTIMATE.start_isinf_float_#res| (_ bv0 32)))} is VALID [2020-07-28 17:49:19,378 INFO L280 TraceCheckUtils]: 8: Hoare triple {354#(= (bvadd (bvand (_ bv2147483647 32) ULTIMATE.start_isinf_float_~ix~1) (_ bv2155872256 32)) (_ bv0 32))} goto; {354#(= (bvadd (bvand (_ bv2147483647 32) ULTIMATE.start_isinf_float_~ix~1) (_ bv2155872256 32)) (_ bv0 32))} is VALID [2020-07-28 17:49:19,383 INFO L280 TraceCheckUtils]: 7: Hoare triple {361#(forall ((v_ULTIMATE.start_isinf_float_~ix~1_10 (_ BitVec 32))) (or (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_10)) (not (= (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_10)) ULTIMATE.start_isinf_float_~x))))} call isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(isinf_float_~x, isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, 4bv32);call isinf_float_#t~mem5 := read~intINTTYPE4(isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, 4bv32);isinf_float_~ix~1 := isinf_float_#t~mem5;call write~intFLOATTYPE4(isinf_float_#t~union6, isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, 4bv32);havoc isinf_float_#t~union6;havoc isinf_float_#t~mem5;call ULTIMATE.dealloc(isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset);havoc isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset; {354#(= (bvadd (bvand (_ bv2147483647 32) ULTIMATE.start_isinf_float_~ix~1) (_ bv2155872256 32)) (_ bv0 32))} is VALID [2020-07-28 17:49:19,386 INFO L280 TraceCheckUtils]: 6: Hoare triple {365#(forall ((v_ULTIMATE.start_isinf_float_~ix~1_10 (_ BitVec 32))) (or (not (= |ULTIMATE.start___ieee754_sqrtf_#res| (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_10)))) (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_10))))} main_#t~ret7 := __ieee754_sqrtf_#res;main_~res~0 := main_#t~ret7;havoc main_#t~ret7;isinf_float_#in~x := main_~res~0;havoc isinf_float_#res;havoc isinf_float_#t~mem5, isinf_float_#t~union6, isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, isinf_float_~x, isinf_float_~ix~1;isinf_float_~x := isinf_float_#in~x;havoc isinf_float_~ix~1; {361#(forall ((v_ULTIMATE.start_isinf_float_~ix~1_10 (_ BitVec 32))) (or (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_10)) (not (= (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_10)) ULTIMATE.start_isinf_float_~x))))} is VALID [2020-07-28 17:49:19,429 INFO L280 TraceCheckUtils]: 5: Hoare triple {369#(forall ((v_ULTIMATE.start_isinf_float_~ix~1_10 (_ BitVec 32))) (or (not (= (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_10)) (fp.add currentRoundingMode (fp.mul currentRoundingMode ULTIMATE.start___ieee754_sqrtf_~x ULTIMATE.start___ieee754_sqrtf_~x) ULTIMATE.start___ieee754_sqrtf_~x))) (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_10))))} assume !~bvult32(__ieee754_sqrtf_~hx~0, 2139095040bv32);__ieee754_sqrtf_#res := ~fp.add~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, __ieee754_sqrtf_~x, __ieee754_sqrtf_~x), __ieee754_sqrtf_~x); {365#(forall ((v_ULTIMATE.start_isinf_float_~ix~1_10 (_ BitVec 32))) (or (not (= |ULTIMATE.start___ieee754_sqrtf_#res| (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_10)))) (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_10))))} is VALID [2020-07-28 17:49:19,431 INFO L280 TraceCheckUtils]: 4: Hoare triple {369#(forall ((v_ULTIMATE.start_isinf_float_~ix~1_10 (_ BitVec 32))) (or (not (= (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_10)) (fp.add currentRoundingMode (fp.mul currentRoundingMode ULTIMATE.start___ieee754_sqrtf_~x ULTIMATE.start___ieee754_sqrtf_~x) ULTIMATE.start___ieee754_sqrtf_~x))) (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_10))))} __ieee754_sqrtf_~hx~0 := ~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0); {369#(forall ((v_ULTIMATE.start_isinf_float_~ix~1_10 (_ BitVec 32))) (or (not (= (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_10)) (fp.add currentRoundingMode (fp.mul currentRoundingMode ULTIMATE.start___ieee754_sqrtf_~x ULTIMATE.start___ieee754_sqrtf_~x) ULTIMATE.start___ieee754_sqrtf_~x))) (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_10))))} is VALID [2020-07-28 17:49:19,432 INFO L280 TraceCheckUtils]: 3: Hoare triple {369#(forall ((v_ULTIMATE.start_isinf_float_~ix~1_10 (_ BitVec 32))) (or (not (= (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_10)) (fp.add currentRoundingMode (fp.mul currentRoundingMode ULTIMATE.start___ieee754_sqrtf_~x ULTIMATE.start___ieee754_sqrtf_~x) ULTIMATE.start___ieee754_sqrtf_~x))) (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_10))))} goto; {369#(forall ((v_ULTIMATE.start_isinf_float_~ix~1_10 (_ BitVec 32))) (or (not (= (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_10)) (fp.add currentRoundingMode (fp.mul currentRoundingMode ULTIMATE.start___ieee754_sqrtf_~x ULTIMATE.start___ieee754_sqrtf_~x) ULTIMATE.start___ieee754_sqrtf_~x))) (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_10))))} is VALID [2020-07-28 17:49:19,432 INFO L280 TraceCheckUtils]: 2: Hoare triple {369#(forall ((v_ULTIMATE.start_isinf_float_~ix~1_10 (_ BitVec 32))) (or (not (= (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_10)) (fp.add currentRoundingMode (fp.mul currentRoundingMode ULTIMATE.start___ieee754_sqrtf_~x ULTIMATE.start___ieee754_sqrtf_~x) ULTIMATE.start___ieee754_sqrtf_~x))) (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_10))))} call __ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_sqrtf_~x, __ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset, 4bv32);call __ieee754_sqrtf_#t~mem0 := read~intINTTYPE4(__ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset, 4bv32);__ieee754_sqrtf_~ix~0 := __ieee754_sqrtf_#t~mem0;call write~intFLOATTYPE4(__ieee754_sqrtf_#t~union1, __ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset, 4bv32);havoc __ieee754_sqrtf_#t~union1;havoc __ieee754_sqrtf_#t~mem0;call ULTIMATE.dealloc(__ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset);havoc __ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset; {369#(forall ((v_ULTIMATE.start_isinf_float_~ix~1_10 (_ BitVec 32))) (or (not (= (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_10)) (fp.add currentRoundingMode (fp.mul currentRoundingMode ULTIMATE.start___ieee754_sqrtf_~x ULTIMATE.start___ieee754_sqrtf_~x) ULTIMATE.start___ieee754_sqrtf_~x))) (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_10))))} is VALID [2020-07-28 17:49:19,483 INFO L280 TraceCheckUtils]: 1: Hoare triple {295#true} havoc main_#res;havoc main_#t~ret7, main_#t~ret8, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());__ieee754_sqrtf_#in~x := main_~x~0;havoc __ieee754_sqrtf_#res;havoc __ieee754_sqrtf_#t~mem0, __ieee754_sqrtf_#t~union1, __ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset, __ieee754_sqrtf_#t~post2, __ieee754_sqrtf_#t~mem3, __ieee754_sqrtf_#t~union4, __ieee754_sqrtf_~#sf_u~0.base, __ieee754_sqrtf_~#sf_u~0.offset, __ieee754_sqrtf_~x, __ieee754_sqrtf_~z~0, __ieee754_sqrtf_~r~0, __ieee754_sqrtf_~hx~0, __ieee754_sqrtf_~ix~0, __ieee754_sqrtf_~s~0, __ieee754_sqrtf_~q~0, __ieee754_sqrtf_~m~0, __ieee754_sqrtf_~t~0, __ieee754_sqrtf_~i~0;__ieee754_sqrtf_~x := __ieee754_sqrtf_#in~x;havoc __ieee754_sqrtf_~z~0;havoc __ieee754_sqrtf_~r~0;havoc __ieee754_sqrtf_~hx~0;havoc __ieee754_sqrtf_~ix~0;havoc __ieee754_sqrtf_~s~0;havoc __ieee754_sqrtf_~q~0;havoc __ieee754_sqrtf_~m~0;havoc __ieee754_sqrtf_~t~0;havoc __ieee754_sqrtf_~i~0; {369#(forall ((v_ULTIMATE.start_isinf_float_~ix~1_10 (_ BitVec 32))) (or (not (= (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_10)) (fp.add currentRoundingMode (fp.mul currentRoundingMode ULTIMATE.start___ieee754_sqrtf_~x ULTIMATE.start___ieee754_sqrtf_~x) ULTIMATE.start___ieee754_sqrtf_~x))) (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_10))))} is VALID [2020-07-28 17:49:19,484 INFO L280 TraceCheckUtils]: 0: Hoare triple {295#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~one_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~tiny_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30)); {295#true} is VALID [2020-07-28 17:49:19,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:49:19,486 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1528038822] [2020-07-28 17:49:19,487 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:49:19,487 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 15 [2020-07-28 17:49:19,487 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114710300] [2020-07-28 17:49:19,489 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 13 [2020-07-28 17:49:19,490 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:49:19,490 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states. [2020-07-28 17:49:19,832 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:49:19,832 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-28 17:49:19,832 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:49:19,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-28 17:49:19,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2020-07-28 17:49:19,833 INFO L87 Difference]: Start difference. First operand 33 states and 43 transitions. Second operand 15 states. [2020-07-28 17:49:26,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:49:26,878 INFO L93 Difference]: Finished difference Result 41 states and 50 transitions. [2020-07-28 17:49:26,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-28 17:49:26,878 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 13 [2020-07-28 17:49:26,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:49:26,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-07-28 17:49:26,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 50 transitions. [2020-07-28 17:49:26,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-07-28 17:49:26,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 50 transitions. [2020-07-28 17:49:26,882 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 50 transitions. [2020-07-28 17:49:27,271 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:49:27,274 INFO L225 Difference]: With dead ends: 41 [2020-07-28 17:49:27,274 INFO L226 Difference]: Without dead ends: 33 [2020-07-28 17:49:27,275 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2020-07-28 17:49:27,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-07-28 17:49:27,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-07-28 17:49:27,289 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:49:27,289 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand 33 states. [2020-07-28 17:49:27,290 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 17:49:27,290 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 17:49:27,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:49:27,293 INFO L93 Difference]: Finished difference Result 33 states and 41 transitions. [2020-07-28 17:49:27,294 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2020-07-28 17:49:27,294 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:49:27,294 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:49:27,295 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 17:49:27,295 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 17:49:27,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:49:27,298 INFO L93 Difference]: Finished difference Result 33 states and 41 transitions. [2020-07-28 17:49:27,298 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2020-07-28 17:49:27,298 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:49:27,299 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:49:27,299 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:49:27,299 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:49:27,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-07-28 17:49:27,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 41 transitions. [2020-07-28 17:49:27,301 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 41 transitions. Word has length 13 [2020-07-28 17:49:27,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:49:27,302 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 41 transitions. [2020-07-28 17:49:27,302 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-28 17:49:27,302 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2020-07-28 17:49:27,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-07-28 17:49:27,303 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:49:27,303 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:49:27,515 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-07-28 17:49:27,515 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:49:27,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:49:27,517 INFO L82 PathProgramCache]: Analyzing trace with hash -358919737, now seen corresponding path program 1 times [2020-07-28 17:49:27,518 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:49:27,518 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2007136753] [2020-07-28 17:49:27,518 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 17:49:27,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:49:27,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-28 17:49:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:49:27,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:49:27,950 INFO L280 TraceCheckUtils]: 0: Hoare triple {551#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~one_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~tiny_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30)); {551#true} is VALID [2020-07-28 17:49:27,956 INFO L280 TraceCheckUtils]: 1: Hoare triple {551#true} havoc main_#res;havoc main_#t~ret7, main_#t~ret8, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());__ieee754_sqrtf_#in~x := main_~x~0;havoc __ieee754_sqrtf_#res;havoc __ieee754_sqrtf_#t~mem0, __ieee754_sqrtf_#t~union1, __ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset, __ieee754_sqrtf_#t~post2, __ieee754_sqrtf_#t~mem3, __ieee754_sqrtf_#t~union4, __ieee754_sqrtf_~#sf_u~0.base, __ieee754_sqrtf_~#sf_u~0.offset, __ieee754_sqrtf_~x, __ieee754_sqrtf_~z~0, __ieee754_sqrtf_~r~0, __ieee754_sqrtf_~hx~0, __ieee754_sqrtf_~ix~0, __ieee754_sqrtf_~s~0, __ieee754_sqrtf_~q~0, __ieee754_sqrtf_~m~0, __ieee754_sqrtf_~t~0, __ieee754_sqrtf_~i~0;__ieee754_sqrtf_~x := __ieee754_sqrtf_#in~x;havoc __ieee754_sqrtf_~z~0;havoc __ieee754_sqrtf_~r~0;havoc __ieee754_sqrtf_~hx~0;havoc __ieee754_sqrtf_~ix~0;havoc __ieee754_sqrtf_~s~0;havoc __ieee754_sqrtf_~q~0;havoc __ieee754_sqrtf_~m~0;havoc __ieee754_sqrtf_~t~0;havoc __ieee754_sqrtf_~i~0; {559#(exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_sqrtf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} is VALID [2020-07-28 17:49:27,961 INFO L280 TraceCheckUtils]: 2: Hoare triple {559#(exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_sqrtf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} call __ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_sqrtf_~x, __ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset, 4bv32);call __ieee754_sqrtf_#t~mem0 := read~intINTTYPE4(__ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset, 4bv32);__ieee754_sqrtf_~ix~0 := __ieee754_sqrtf_#t~mem0;call write~intFLOATTYPE4(__ieee754_sqrtf_#t~union1, __ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset, 4bv32);havoc __ieee754_sqrtf_#t~union1;havoc __ieee754_sqrtf_#t~mem0;call ULTIMATE.dealloc(__ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset);havoc __ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset; {563#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 30 23) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 22 0) ULTIMATE.start___ieee754_sqrtf_~ix~0))))} is VALID [2020-07-28 17:49:27,962 INFO L280 TraceCheckUtils]: 3: Hoare triple {563#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 30 23) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 22 0) ULTIMATE.start___ieee754_sqrtf_~ix~0))))} goto; {563#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 30 23) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 22 0) ULTIMATE.start___ieee754_sqrtf_~ix~0))))} is VALID [2020-07-28 17:49:27,973 INFO L280 TraceCheckUtils]: 4: Hoare triple {563#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 30 23) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 22 0) ULTIMATE.start___ieee754_sqrtf_~ix~0))))} __ieee754_sqrtf_~hx~0 := ~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0); {570#(exists ((ULTIMATE.start___ieee754_sqrtf_~ix~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 30 23) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 22 0) ULTIMATE.start___ieee754_sqrtf_~ix~0))) (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_sqrtf_~ix~0) ULTIMATE.start___ieee754_sqrtf_~hx~0)))} is VALID [2020-07-28 17:49:27,977 INFO L280 TraceCheckUtils]: 5: Hoare triple {570#(exists ((ULTIMATE.start___ieee754_sqrtf_~ix~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 30 23) ULTIMATE.start___ieee754_sqrtf_~ix~0) ((_ extract 22 0) ULTIMATE.start___ieee754_sqrtf_~ix~0))) (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_sqrtf_~ix~0) ULTIMATE.start___ieee754_sqrtf_~hx~0)))} assume !!~bvult32(__ieee754_sqrtf_~hx~0, 2139095040bv32); {552#false} is VALID [2020-07-28 17:49:27,977 INFO L280 TraceCheckUtils]: 6: Hoare triple {552#false} assume !(0bv32 == __ieee754_sqrtf_~hx~0); {552#false} is VALID [2020-07-28 17:49:27,977 INFO L280 TraceCheckUtils]: 7: Hoare triple {552#false} assume ~bvslt32(__ieee754_sqrtf_~ix~0, 0bv32);__ieee754_sqrtf_#res := ~fp.div~FLOAT(currentRoundingMode, ~fp.sub~FLOAT(currentRoundingMode, __ieee754_sqrtf_~x, __ieee754_sqrtf_~x), ~fp.sub~FLOAT(currentRoundingMode, __ieee754_sqrtf_~x, __ieee754_sqrtf_~x)); {552#false} is VALID [2020-07-28 17:49:27,978 INFO L280 TraceCheckUtils]: 8: Hoare triple {552#false} main_#t~ret7 := __ieee754_sqrtf_#res;main_~res~0 := main_#t~ret7;havoc main_#t~ret7;isinf_float_#in~x := main_~res~0;havoc isinf_float_#res;havoc isinf_float_#t~mem5, isinf_float_#t~union6, isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, isinf_float_~x, isinf_float_~ix~1;isinf_float_~x := isinf_float_#in~x;havoc isinf_float_~ix~1; {552#false} is VALID [2020-07-28 17:49:27,978 INFO L280 TraceCheckUtils]: 9: Hoare triple {552#false} call isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(isinf_float_~x, isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, 4bv32);call isinf_float_#t~mem5 := read~intINTTYPE4(isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, 4bv32);isinf_float_~ix~1 := isinf_float_#t~mem5;call write~intFLOATTYPE4(isinf_float_#t~union6, isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, 4bv32);havoc isinf_float_#t~union6;havoc isinf_float_#t~mem5;call ULTIMATE.dealloc(isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset);havoc isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset; {552#false} is VALID [2020-07-28 17:49:27,978 INFO L280 TraceCheckUtils]: 10: Hoare triple {552#false} goto; {552#false} is VALID [2020-07-28 17:49:27,978 INFO L280 TraceCheckUtils]: 11: Hoare triple {552#false} isinf_float_~ix~1 := ~bvand32(2147483647bv32, isinf_float_~ix~1);isinf_float_#res := (if 2139095040bv32 == isinf_float_~ix~1 then 1bv32 else 0bv32); {552#false} is VALID [2020-07-28 17:49:27,979 INFO L280 TraceCheckUtils]: 12: Hoare triple {552#false} main_#t~ret8 := isinf_float_#res; {552#false} is VALID [2020-07-28 17:49:27,979 INFO L280 TraceCheckUtils]: 13: Hoare triple {552#false} assume 0bv32 == main_#t~ret8;havoc main_#t~ret8; {552#false} is VALID [2020-07-28 17:49:27,979 INFO L280 TraceCheckUtils]: 14: Hoare triple {552#false} assume !false; {552#false} is VALID [2020-07-28 17:49:27,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:49:27,980 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:49:28,131 INFO L280 TraceCheckUtils]: 14: Hoare triple {552#false} assume !false; {552#false} is VALID [2020-07-28 17:49:28,131 INFO L280 TraceCheckUtils]: 13: Hoare triple {552#false} assume 0bv32 == main_#t~ret8;havoc main_#t~ret8; {552#false} is VALID [2020-07-28 17:49:28,132 INFO L280 TraceCheckUtils]: 12: Hoare triple {552#false} main_#t~ret8 := isinf_float_#res; {552#false} is VALID [2020-07-28 17:49:28,132 INFO L280 TraceCheckUtils]: 11: Hoare triple {552#false} isinf_float_~ix~1 := ~bvand32(2147483647bv32, isinf_float_~ix~1);isinf_float_#res := (if 2139095040bv32 == isinf_float_~ix~1 then 1bv32 else 0bv32); {552#false} is VALID [2020-07-28 17:49:28,132 INFO L280 TraceCheckUtils]: 10: Hoare triple {552#false} goto; {552#false} is VALID [2020-07-28 17:49:28,132 INFO L280 TraceCheckUtils]: 9: Hoare triple {552#false} call isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(isinf_float_~x, isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, 4bv32);call isinf_float_#t~mem5 := read~intINTTYPE4(isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, 4bv32);isinf_float_~ix~1 := isinf_float_#t~mem5;call write~intFLOATTYPE4(isinf_float_#t~union6, isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, 4bv32);havoc isinf_float_#t~union6;havoc isinf_float_#t~mem5;call ULTIMATE.dealloc(isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset);havoc isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset; {552#false} is VALID [2020-07-28 17:49:28,133 INFO L280 TraceCheckUtils]: 8: Hoare triple {552#false} main_#t~ret7 := __ieee754_sqrtf_#res;main_~res~0 := main_#t~ret7;havoc main_#t~ret7;isinf_float_#in~x := main_~res~0;havoc isinf_float_#res;havoc isinf_float_#t~mem5, isinf_float_#t~union6, isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, isinf_float_~x, isinf_float_~ix~1;isinf_float_~x := isinf_float_#in~x;havoc isinf_float_~ix~1; {552#false} is VALID [2020-07-28 17:49:28,133 INFO L280 TraceCheckUtils]: 7: Hoare triple {552#false} assume ~bvslt32(__ieee754_sqrtf_~ix~0, 0bv32);__ieee754_sqrtf_#res := ~fp.div~FLOAT(currentRoundingMode, ~fp.sub~FLOAT(currentRoundingMode, __ieee754_sqrtf_~x, __ieee754_sqrtf_~x), ~fp.sub~FLOAT(currentRoundingMode, __ieee754_sqrtf_~x, __ieee754_sqrtf_~x)); {552#false} is VALID [2020-07-28 17:49:28,133 INFO L280 TraceCheckUtils]: 6: Hoare triple {552#false} assume !(0bv32 == __ieee754_sqrtf_~hx~0); {552#false} is VALID [2020-07-28 17:49:28,141 INFO L280 TraceCheckUtils]: 5: Hoare triple {628#(not (bvult ULTIMATE.start___ieee754_sqrtf_~hx~0 (_ bv2139095040 32)))} assume !!~bvult32(__ieee754_sqrtf_~hx~0, 2139095040bv32); {552#false} is VALID [2020-07-28 17:49:28,142 INFO L280 TraceCheckUtils]: 4: Hoare triple {632#(not (bvult (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_sqrtf_~ix~0) (_ bv2139095040 32)))} __ieee754_sqrtf_~hx~0 := ~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0); {628#(not (bvult ULTIMATE.start___ieee754_sqrtf_~hx~0 (_ bv2139095040 32)))} is VALID [2020-07-28 17:49:28,143 INFO L280 TraceCheckUtils]: 3: Hoare triple {632#(not (bvult (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_sqrtf_~ix~0) (_ bv2139095040 32)))} goto; {632#(not (bvult (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_sqrtf_~ix~0) (_ bv2139095040 32)))} is VALID [2020-07-28 17:49:28,146 INFO L280 TraceCheckUtils]: 2: Hoare triple {639#(forall ((v_ULTIMATE.start___ieee754_sqrtf_~ix~0_28 (_ BitVec 32))) (or (not (= ULTIMATE.start___ieee754_sqrtf_~x (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_sqrtf_~ix~0_28) ((_ extract 30 23) v_ULTIMATE.start___ieee754_sqrtf_~ix~0_28) ((_ extract 22 0) v_ULTIMATE.start___ieee754_sqrtf_~ix~0_28)))) (not (bvult (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_sqrtf_~ix~0_28) (_ bv2139095040 32)))))} call __ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_sqrtf_~x, __ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset, 4bv32);call __ieee754_sqrtf_#t~mem0 := read~intINTTYPE4(__ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset, 4bv32);__ieee754_sqrtf_~ix~0 := __ieee754_sqrtf_#t~mem0;call write~intFLOATTYPE4(__ieee754_sqrtf_#t~union1, __ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset, 4bv32);havoc __ieee754_sqrtf_#t~union1;havoc __ieee754_sqrtf_#t~mem0;call ULTIMATE.dealloc(__ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset);havoc __ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset; {632#(not (bvult (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_sqrtf_~ix~0) (_ bv2139095040 32)))} is VALID [2020-07-28 17:49:28,149 INFO L280 TraceCheckUtils]: 1: Hoare triple {551#true} havoc main_#res;havoc main_#t~ret7, main_#t~ret8, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());__ieee754_sqrtf_#in~x := main_~x~0;havoc __ieee754_sqrtf_#res;havoc __ieee754_sqrtf_#t~mem0, __ieee754_sqrtf_#t~union1, __ieee754_sqrtf_~#gf_u~0.base, __ieee754_sqrtf_~#gf_u~0.offset, __ieee754_sqrtf_#t~post2, __ieee754_sqrtf_#t~mem3, __ieee754_sqrtf_#t~union4, __ieee754_sqrtf_~#sf_u~0.base, __ieee754_sqrtf_~#sf_u~0.offset, __ieee754_sqrtf_~x, __ieee754_sqrtf_~z~0, __ieee754_sqrtf_~r~0, __ieee754_sqrtf_~hx~0, __ieee754_sqrtf_~ix~0, __ieee754_sqrtf_~s~0, __ieee754_sqrtf_~q~0, __ieee754_sqrtf_~m~0, __ieee754_sqrtf_~t~0, __ieee754_sqrtf_~i~0;__ieee754_sqrtf_~x := __ieee754_sqrtf_#in~x;havoc __ieee754_sqrtf_~z~0;havoc __ieee754_sqrtf_~r~0;havoc __ieee754_sqrtf_~hx~0;havoc __ieee754_sqrtf_~ix~0;havoc __ieee754_sqrtf_~s~0;havoc __ieee754_sqrtf_~q~0;havoc __ieee754_sqrtf_~m~0;havoc __ieee754_sqrtf_~t~0;havoc __ieee754_sqrtf_~i~0; {639#(forall ((v_ULTIMATE.start___ieee754_sqrtf_~ix~0_28 (_ BitVec 32))) (or (not (= ULTIMATE.start___ieee754_sqrtf_~x (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_sqrtf_~ix~0_28) ((_ extract 30 23) v_ULTIMATE.start___ieee754_sqrtf_~ix~0_28) ((_ extract 22 0) v_ULTIMATE.start___ieee754_sqrtf_~ix~0_28)))) (not (bvult (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_sqrtf_~ix~0_28) (_ bv2139095040 32)))))} is VALID [2020-07-28 17:49:28,149 INFO L280 TraceCheckUtils]: 0: Hoare triple {551#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~one_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~tiny_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30)); {551#true} is VALID [2020-07-28 17:49:28,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:49:28,150 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2007136753] [2020-07-28 17:49:28,150 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:49:28,150 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-07-28 17:49:28,150 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465228909] [2020-07-28 17:49:28,151 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 15 [2020-07-28 17:49:28,151 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:49:28,151 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-28 17:49:28,342 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:49:28,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-28 17:49:28,342 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:49:28,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-28 17:49:28,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-28 17:49:28,343 INFO L87 Difference]: Start difference. First operand 33 states and 41 transitions. Second operand 8 states. [2020-07-28 17:49:28,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:49:28,519 INFO L93 Difference]: Finished difference Result 33 states and 41 transitions. [2020-07-28 17:49:28,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 17:49:28,520 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 15 [2020-07-28 17:49:28,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:49:28,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-28 17:49:28,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2020-07-28 17:49:28,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-28 17:49:28,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2020-07-28 17:49:28,523 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 41 transitions. [2020-07-28 17:49:28,787 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:49:28,788 INFO L225 Difference]: With dead ends: 33 [2020-07-28 17:49:28,788 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 17:49:28,789 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-07-28 17:49:28,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 17:49:28,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 17:49:28,789 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:49:28,789 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 17:49:28,789 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 17:49:28,789 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 17:49:28,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:49:28,790 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 17:49:28,790 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:49:28,790 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:49:28,790 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:49:28,790 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 17:49:28,791 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 17:49:28,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:49:28,791 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 17:49:28,791 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:49:28,791 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:49:28,791 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:49:28,791 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:49:28,792 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:49:28,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 17:49:28,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 17:49:28,792 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2020-07-28 17:49:28,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:49:28,792 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 17:49:28,792 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-28 17:49:28,792 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:49:28,793 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:49:28,997 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-07-28 17:49:29,001 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 17:49:29,188 INFO L268 CegarLoopResult]: For program point L35-2(lines 35 39) no Hoare annotation was computed. [2020-07-28 17:49:29,188 INFO L268 CegarLoopResult]: For program point L52(lines 52 56) no Hoare annotation was computed. [2020-07-28 17:49:29,188 INFO L268 CegarLoopResult]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2020-07-28 17:49:29,188 INFO L268 CegarLoopResult]: For program point L52-2(lines 52 56) no Hoare annotation was computed. [2020-07-28 17:49:29,188 INFO L264 CegarLoopResult]: At program point L19-2(lines 19 23) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_sqrtf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (= currentRoundingMode roundNearestTiesToEven)) [2020-07-28 17:49:29,188 INFO L268 CegarLoopResult]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2020-07-28 17:49:29,189 INFO L268 CegarLoopResult]: For program point L36-2(lines 36 37) no Hoare annotation was computed. [2020-07-28 17:49:29,189 INFO L264 CegarLoopResult]: At program point L36-3(lines 36 37) the Hoare annotation is: false [2020-07-28 17:49:29,189 INFO L268 CegarLoopResult]: For program point L36-4(lines 36 37) no Hoare annotation was computed. [2020-07-28 17:49:29,189 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 17:49:29,189 INFO L268 CegarLoopResult]: For program point L61(lines 61 70) no Hoare annotation was computed. [2020-07-28 17:49:29,189 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 17:49:29,189 INFO L271 CegarLoopResult]: At program point L111(lines 93 112) the Hoare annotation is: true [2020-07-28 17:49:29,189 INFO L264 CegarLoopResult]: At program point L78(lines 14 79) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_sqrtf_#res| (let ((.cse0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0))) (= ULTIMATE.start___ieee754_sqrtf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven)) [2020-07-28 17:49:29,190 INFO L268 CegarLoopResult]: For program point L29(lines 29 30) no Hoare annotation was computed. [2020-07-28 17:49:29,190 INFO L268 CegarLoopResult]: For program point L63(lines 63 69) no Hoare annotation was computed. [2020-07-28 17:49:29,190 INFO L268 CegarLoopResult]: For program point L31(lines 31 32) no Hoare annotation was computed. [2020-07-28 17:49:29,190 INFO L268 CegarLoopResult]: For program point L106(lines 106 109) no Hoare annotation was computed. [2020-07-28 17:49:29,190 INFO L268 CegarLoopResult]: For program point L73-1(lines 73 77) no Hoare annotation was computed. [2020-07-28 17:49:29,190 INFO L264 CegarLoopResult]: At program point L73-2(lines 73 77) the Hoare annotation is: false [2020-07-28 17:49:29,190 INFO L268 CegarLoopResult]: For program point L73-3(lines 73 77) no Hoare annotation was computed. [2020-07-28 17:49:29,190 INFO L268 CegarLoopResult]: For program point L65(lines 65 68) no Hoare annotation was computed. [2020-07-28 17:49:29,190 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 17:49:29,191 INFO L264 CegarLoopResult]: At program point L90(lines 82 91) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse1 .cse1) .cse1)))) (and (= |ULTIMATE.start___ieee754_sqrtf_#res| .cse0) (= .cse0 ULTIMATE.start_isinf_float_~x) (= (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)) .cse0) (= ULTIMATE.start___ieee754_sqrtf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= (bvadd |ULTIMATE.start_isinf_float_#res| (_ bv4294967295 32)) (_ bv0 32)) (= currentRoundingMode roundNearestTiesToEven))) [2020-07-28 17:49:29,191 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 107) no Hoare annotation was computed. [2020-07-28 17:49:29,191 INFO L268 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-07-28 17:49:29,191 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 17:49:29,191 INFO L264 CegarLoopResult]: At program point L50-2(lines 50 59) the Hoare annotation is: false [2020-07-28 17:49:29,191 INFO L268 CegarLoopResult]: For program point L50-3(lines 14 79) no Hoare annotation was computed. [2020-07-28 17:49:29,191 INFO L268 CegarLoopResult]: For program point L42(lines 42 43) no Hoare annotation was computed. [2020-07-28 17:49:29,192 INFO L268 CegarLoopResult]: For program point L42-2(lines 42 43) no Hoare annotation was computed. [2020-07-28 17:49:29,192 INFO L268 CegarLoopResult]: For program point L26(lines 26 27) no Hoare annotation was computed. [2020-07-28 17:49:29,192 INFO L268 CegarLoopResult]: For program point L84-1(lines 84 88) no Hoare annotation was computed. [2020-07-28 17:49:29,192 INFO L264 CegarLoopResult]: At program point L84-2(lines 84 88) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse1 .cse1) .cse1)))) (and (= |ULTIMATE.start___ieee754_sqrtf_#res| .cse0) (= .cse0 ULTIMATE.start_isinf_float_~x) (= ULTIMATE.start___ieee754_sqrtf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven))) [2020-07-28 17:49:29,192 INFO L268 CegarLoopResult]: For program point L84-3(lines 84 88) no Hoare annotation was computed. [2020-07-28 17:49:29,192 INFO L268 CegarLoopResult]: For program point L35(lines 35 39) no Hoare annotation was computed. [2020-07-28 17:49:29,196 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 17:49:29,196 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 17:49:29,196 WARN L170 areAnnotationChecker]: L19-1 has no Hoare annotation [2020-07-28 17:49:29,196 WARN L170 areAnnotationChecker]: L19-3 has no Hoare annotation [2020-07-28 17:49:29,196 WARN L170 areAnnotationChecker]: L19-1 has no Hoare annotation [2020-07-28 17:49:29,196 WARN L170 areAnnotationChecker]: L19-1 has no Hoare annotation [2020-07-28 17:49:29,196 WARN L170 areAnnotationChecker]: L19-3 has no Hoare annotation [2020-07-28 17:49:29,197 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-28 17:49:29,197 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-28 17:49:29,198 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-28 17:49:29,198 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-28 17:49:29,198 WARN L170 areAnnotationChecker]: L84-1 has no Hoare annotation [2020-07-28 17:49:29,198 WARN L170 areAnnotationChecker]: L84-3 has no Hoare annotation [2020-07-28 17:49:29,199 WARN L170 areAnnotationChecker]: L31 has no Hoare annotation [2020-07-28 17:49:29,199 WARN L170 areAnnotationChecker]: L31 has no Hoare annotation [2020-07-28 17:49:29,199 WARN L170 areAnnotationChecker]: L84-1 has no Hoare annotation [2020-07-28 17:49:29,199 WARN L170 areAnnotationChecker]: L84-1 has no Hoare annotation [2020-07-28 17:49:29,199 WARN L170 areAnnotationChecker]: L84-3 has no Hoare annotation [2020-07-28 17:49:29,199 WARN L170 areAnnotationChecker]: L35 has no Hoare annotation [2020-07-28 17:49:29,199 WARN L170 areAnnotationChecker]: L35 has no Hoare annotation [2020-07-28 17:49:29,199 WARN L170 areAnnotationChecker]: L106 has no Hoare annotation [2020-07-28 17:49:29,199 WARN L170 areAnnotationChecker]: L36-4 has no Hoare annotation [2020-07-28 17:49:29,199 WARN L170 areAnnotationChecker]: L36-4 has no Hoare annotation [2020-07-28 17:49:29,200 WARN L170 areAnnotationChecker]: L36-2 has no Hoare annotation [2020-07-28 17:49:29,200 WARN L170 areAnnotationChecker]: L35-2 has no Hoare annotation [2020-07-28 17:49:29,200 WARN L170 areAnnotationChecker]: L106 has no Hoare annotation [2020-07-28 17:49:29,200 WARN L170 areAnnotationChecker]: L106 has no Hoare annotation [2020-07-28 17:49:29,200 WARN L170 areAnnotationChecker]: L36-4 has no Hoare annotation [2020-07-28 17:49:29,200 WARN L170 areAnnotationChecker]: L36-2 has no Hoare annotation [2020-07-28 17:49:29,200 WARN L170 areAnnotationChecker]: L42 has no Hoare annotation [2020-07-28 17:49:29,200 WARN L170 areAnnotationChecker]: L42 has no Hoare annotation [2020-07-28 17:49:29,201 WARN L170 areAnnotationChecker]: L107 has no Hoare annotation [2020-07-28 17:49:29,201 WARN L170 areAnnotationChecker]: L107 has no Hoare annotation [2020-07-28 17:49:29,201 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:49:29,201 WARN L170 areAnnotationChecker]: L42-2 has no Hoare annotation [2020-07-28 17:49:29,201 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:49:29,201 WARN L170 areAnnotationChecker]: L50-3 has no Hoare annotation [2020-07-28 17:49:29,201 WARN L170 areAnnotationChecker]: L50-3 has no Hoare annotation [2020-07-28 17:49:29,201 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2020-07-28 17:49:29,202 WARN L170 areAnnotationChecker]: L50-3 has no Hoare annotation [2020-07-28 17:49:29,202 WARN L170 areAnnotationChecker]: L50-3 has no Hoare annotation [2020-07-28 17:49:29,202 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2020-07-28 17:49:29,202 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2020-07-28 17:49:29,202 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2020-07-28 17:49:29,202 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2020-07-28 17:49:29,202 WARN L170 areAnnotationChecker]: L61 has no Hoare annotation [2020-07-28 17:49:29,202 WARN L170 areAnnotationChecker]: L52-2 has no Hoare annotation [2020-07-28 17:49:29,202 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-28 17:49:29,202 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-28 17:49:29,203 WARN L170 areAnnotationChecker]: L73-1 has no Hoare annotation [2020-07-28 17:49:29,203 WARN L170 areAnnotationChecker]: L73-3 has no Hoare annotation [2020-07-28 17:49:29,203 WARN L170 areAnnotationChecker]: L73-1 has no Hoare annotation [2020-07-28 17:49:29,203 WARN L170 areAnnotationChecker]: L73-1 has no Hoare annotation [2020-07-28 17:49:29,203 WARN L170 areAnnotationChecker]: L73-3 has no Hoare annotation [2020-07-28 17:49:29,203 INFO L163 areAnnotationChecker]: CFG has 1 edges. 1 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 17:49:29,210 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,211 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,211 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,212 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,212 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,212 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,212 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,213 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,213 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,213 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,213 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,213 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,214 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,214 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,214 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,214 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,215 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,215 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,215 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,215 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,215 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,216 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,216 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,216 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,217 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,219 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:49:29,219 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:49:29,219 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:49:29,221 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,221 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,222 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,222 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,222 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,222 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,222 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,223 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,223 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,223 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,223 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,223 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,224 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,224 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,224 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,224 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,224 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,225 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,225 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,225 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,225 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,225 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,226 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,226 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,226 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,227 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:49:29,227 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:49:29,228 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:49:29,230 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:49:29,230 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:49:29,230 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,231 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:49:29,231 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:49:29,231 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:49:29,231 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,232 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:49:29,232 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,233 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,233 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,233 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,233 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,233 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,234 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,234 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,234 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,234 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,234 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,235 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,235 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,235 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,235 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,235 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,236 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,236 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:49:29,237 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:49:29,237 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:49:29,237 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,238 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,238 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,238 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,238 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,238 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,239 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,239 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,239 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,239 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,239 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,240 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,240 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,240 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,240 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,240 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,241 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,241 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:49:29,242 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:49:29,242 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:49:29,243 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,243 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,243 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,243 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,243 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,244 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,244 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,244 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,244 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,245 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:49:29,245 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:49:29,245 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:49:29,246 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,246 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,246 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,246 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,246 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,247 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,247 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,247 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,247 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,248 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:49:29,248 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:49:29,248 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:49:29,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 05:49:29 BoogieIcfgContainer [2020-07-28 17:49:29,251 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 17:49:29,252 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 17:49:29,252 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 17:49:29,252 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 17:49:29,253 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:49:07" (3/4) ... [2020-07-28 17:49:29,257 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 17:49:29,268 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-07-28 17:49:29,269 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-07-28 17:49:29,269 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 17:49:29,304 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2020-07-28 17:49:29,304 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~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.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2020-07-28 17:49:29,305 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~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.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~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.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == x) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2020-07-28 17:49:29,306 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~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.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~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.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == x) && ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~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.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2020-07-28 17:49:29,363 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 17:49:29,365 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 17:49:29,367 INFO L168 Benchmark]: Toolchain (without parser) took 23886.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 204.5 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -153.0 MB). Peak memory consumption was 51.4 MB. Max. memory is 11.5 GB. [2020-07-28 17:49:29,371 INFO L168 Benchmark]: CDTParser took 0.21 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 17:49:29,372 INFO L168 Benchmark]: CACSL2BoogieTranslator took 435.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -184.4 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2020-07-28 17:49:29,372 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-07-28 17:49:29,373 INFO L168 Benchmark]: Boogie Preprocessor took 47.74 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 17:49:29,373 INFO L168 Benchmark]: RCFGBuilder took 1244.37 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: 39.5 MB). Peak memory consumption was 39.5 MB. Max. memory is 11.5 GB. [2020-07-28 17:49:29,373 INFO L168 Benchmark]: TraceAbstraction took 21974.51 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 59.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -22.2 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2020-07-28 17:49:29,374 INFO L168 Benchmark]: Witness Printer took 113.83 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: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2020-07-28 17:49:29,377 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 0.21 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 435.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -184.4 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 60.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.74 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 1244.37 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: 39.5 MB). Peak memory consumption was 39.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 21974.51 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 59.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -22.2 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Witness Printer took 113.83 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: 7.4 MB). Peak memory consumption was 7.4 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 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 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 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 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 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 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 107]: 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: 93]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 82]: Loop Invariant [2020-07-28 17:49:29,385 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,385 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,386 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,386 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,386 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,386 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,386 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,387 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,387 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,387 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,387 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,387 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,387 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,388 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,388 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,388 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,388 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,388 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,389 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,389 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,389 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,389 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,389 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,389 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,390 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,391 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:49:29,391 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:49:29,391 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:49:29,392 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,392 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,392 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,392 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,392 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,393 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,393 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,393 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,393 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,393 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,393 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,394 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,394 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,394 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,394 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,394 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,395 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,395 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,395 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,395 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,395 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,395 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,396 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,396 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,396 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,397 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:49:29,397 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:49:29,397 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((\result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~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.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~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.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == x) && ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~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.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant [2020-07-28 17:49:29,398 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:49:29,398 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:49:29,398 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,399 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:49:29,399 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:49:29,399 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:49:29,399 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,400 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant [2020-07-28 17:49:29,400 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,400 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,400 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,400 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,401 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,401 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,401 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,401 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,401 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,401 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,402 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,402 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,402 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,402 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,402 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,403 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,403 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,403 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:49:29,403 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:49:29,404 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:49:29,404 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,404 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,404 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,405 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,405 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,405 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,405 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,405 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,405 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,406 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,406 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,406 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,406 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,406 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,406 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,407 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,407 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,407 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:49:29,407 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:49:29,408 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((\result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~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.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~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.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == x) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 14]: Loop Invariant [2020-07-28 17:49:29,408 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,408 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,409 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,409 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,409 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,409 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,409 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,409 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,410 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,410 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:49:29,410 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:49:29,410 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:49:29,411 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,411 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,411 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,411 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,411 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,412 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,412 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,412 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,412 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:49:29,412 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:49:29,413 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:49:29,413 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (\result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~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.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 36 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 21.6s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 9.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 81 SDtfs, 106 SDslu, 267 SDs, 0 SdLazy, 100 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 8.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred 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, 8 LocationsWithAnnotation, 8 PreInvPairs, 13 NumberOfFragments, 208 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 8 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 10.1s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 72 ConstructedInterpolants, 11 QuantifiedInterpolants, 5636 SizeOfPredicates, 19 NumberOfNonLiveVariables, 117 ConjunctsInSsa, 24 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...