./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1052a.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_1052a.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 269c6e32b98d41be14ec8894bc32516e2df9c183 ......................................................................................................................................................................................................................................................................................................................................... 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_1052a.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 269c6e32b98d41be14ec8894bc32516e2df9c183 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 17:53:26,525 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 17:53:26,527 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 17:53:26,540 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 17:53:26,540 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 17:53:26,542 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 17:53:26,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 17:53:26,545 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 17:53:26,547 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 17:53:26,548 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 17:53:26,549 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 17:53:26,551 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 17:53:26,551 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 17:53:26,552 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 17:53:26,553 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 17:53:26,555 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 17:53:26,556 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 17:53:26,557 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 17:53:26,559 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 17:53:26,561 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 17:53:26,563 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 17:53:26,564 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 17:53:26,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 17:53:26,567 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 17:53:26,570 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 17:53:26,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 17:53:26,571 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 17:53:26,572 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 17:53:26,572 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 17:53:26,574 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 17:53:26,574 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:53:26,575 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:53:26,576 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:53:26,577 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:53:26,578 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:53:26,578 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:53:26,579 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:53:26,579 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:53:26,580 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:53:26,581 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:53:26,582 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:53:26,583 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 17:53:26,598 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:53:26,599 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:53:26,600 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:53:26,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:53:26,601 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:53:26,601 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:53:26,601 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:53:26,602 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 17:53:26,602 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:53:26,602 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:53:26,602 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:53:26,603 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:53:26,603 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:53:26,603 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:53:26,604 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:53:26,604 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:53:26,604 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:53:26,604 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:53:26,605 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:53:26,605 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:53:26,605 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:53:26,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:53:26,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:53:26,606 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:53:26,607 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:53:26,607 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 17:53:26,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 17:53:26,607 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:53:26,608 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:53:26,608 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 -> 269c6e32b98d41be14ec8894bc32516e2df9c183 [2020-07-28 17:53:26,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:53:26,944 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:53:26,948 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:53:26,950 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:53:26,950 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:53:26,951 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1052a.c [2020-07-28 17:53:27,015 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dba9f3ca9/800ee43fdb9b4c4ba10693b856feb752/FLAG04c8a58cd [2020-07-28 17:53:27,472 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:53:27,472 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1052a.c [2020-07-28 17:53:27,480 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dba9f3ca9/800ee43fdb9b4c4ba10693b856feb752/FLAG04c8a58cd [2020-07-28 17:53:27,850 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dba9f3ca9/800ee43fdb9b4c4ba10693b856feb752 [2020-07-28 17:53:27,853 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:53:27,856 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:53:27,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:53:27,857 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:53:27,863 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:53:27,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:53:27" (1/1) ... [2020-07-28 17:53:27,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d085cfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:27, skipping insertion in model container [2020-07-28 17:53:27,870 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:53:27" (1/1) ... [2020-07-28 17:53:27,879 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:53:27,900 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:53:28,129 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:53:28,135 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 17:53:28,193 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:53:28,273 INFO L208 MainTranslator]: Completed translation [2020-07-28 17:53:28,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:28 WrapperNode [2020-07-28 17:53:28,274 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 17:53:28,276 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 17:53:28,276 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 17:53:28,277 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 17:53:28,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:28" (1/1) ... [2020-07-28 17:53:28,297 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:28" (1/1) ... [2020-07-28 17:53:28,329 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 17:53:28,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 17:53:28,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 17:53:28,330 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 17:53:28,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:28" (1/1) ... [2020-07-28 17:53:28,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:28" (1/1) ... [2020-07-28 17:53:28,342 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:28" (1/1) ... [2020-07-28 17:53:28,342 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:28" (1/1) ... [2020-07-28 17:53:28,353 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:28" (1/1) ... [2020-07-28 17:53:28,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:28" (1/1) ... [2020-07-28 17:53:28,361 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:28" (1/1) ... [2020-07-28 17:53:28,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 17:53:28,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 17:53:28,365 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 17:53:28,365 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 17:53:28,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:28" (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 17:53:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-28 17:53:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-28 17:53:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-28 17:53:28,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 17:53:28,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 17:53:28,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-28 17:53:28,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 17:53:28,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 17:53:28,942 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 17:53:28,943 INFO L295 CfgBuilder]: Removed 14 assume(true) statements. [2020-07-28 17:53:28,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:53:28 BoogieIcfgContainer [2020-07-28 17:53:28,947 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 17:53:28,948 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 17:53:28,949 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 17:53:28,952 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 17:53:28,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 05:53:27" (1/3) ... [2020-07-28 17:53:28,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e9de2a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:53:28, skipping insertion in model container [2020-07-28 17:53:28,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:28" (2/3) ... [2020-07-28 17:53:28,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e9de2a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:53:28, skipping insertion in model container [2020-07-28 17:53:28,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:53:28" (3/3) ... [2020-07-28 17:53:28,956 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1052a.c [2020-07-28 17:53:28,967 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 17:53:28,975 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 17:53:28,989 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 17:53:29,013 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 17:53:29,013 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 17:53:29,014 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 17:53:29,014 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 17:53:29,014 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 17:53:29,014 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 17:53:29,015 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 17:53:29,015 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 17:53:29,030 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-07-28 17:53:29,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-28 17:53:29,035 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:53:29,036 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:53:29,037 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:53:29,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:53:29,042 INFO L82 PathProgramCache]: Analyzing trace with hash -2064187560, now seen corresponding path program 1 times [2020-07-28 17:53:29,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 17:53:29,050 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592679509] [2020-07-28 17:53:29,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 17:53:29,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:53:29,180 INFO L280 TraceCheckUtils]: 0: Hoare triple {32#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~huge_floor~0 := 1.0E30; {32#true} is VALID [2020-07-28 17:53:29,181 INFO L280 TraceCheckUtils]: 1: Hoare triple {32#true} havoc main_#res;havoc main_#t~ret6, main_#t~ret7, main_~x~0, main_~res~0;main_~x~0 := ~someBinaryArithmeticFLOAToperation(1.0, 0.0);floor_float_#in~x := main_~x~0;havoc floor_float_#res;havoc floor_float_#t~mem0, floor_float_#t~union1, floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset, floor_float_#t~mem2, floor_float_#t~union3, floor_float_~#sf_u~0.base, floor_float_~#sf_u~0.offset, floor_float_~x, floor_float_~i0~0, floor_float_~j0~0, floor_float_~i~0, floor_float_~ix~0;floor_float_~x := floor_float_#in~x;havoc floor_float_~i0~0;havoc floor_float_~j0~0;havoc floor_float_~i~0;havoc floor_float_~ix~0; {32#true} is VALID [2020-07-28 17:53:29,182 INFO L280 TraceCheckUtils]: 2: Hoare triple {32#true} assume !true; {33#false} is VALID [2020-07-28 17:53:29,183 INFO L280 TraceCheckUtils]: 3: Hoare triple {33#false} floor_float_~ix~0 := ~bitwiseAnd(floor_float_~i0~0, 2147483647);floor_float_~j0~0 := (if (floor_float_~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (floor_float_~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (floor_float_~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); {33#false} is VALID [2020-07-28 17:53:29,183 INFO L280 TraceCheckUtils]: 4: Hoare triple {33#false} assume !(floor_float_~j0~0 < 23); {33#false} is VALID [2020-07-28 17:53:29,183 INFO L280 TraceCheckUtils]: 5: Hoare triple {33#false} assume !!(floor_float_~ix~0 % 4294967296 < 2139095040);floor_float_#res := floor_float_~x; {33#false} is VALID [2020-07-28 17:53:29,184 INFO L280 TraceCheckUtils]: 6: Hoare triple {33#false} main_#t~ret6 := floor_float_#res;main_~res~0 := main_#t~ret6;havoc main_#t~ret6;isinf_float_#in~x := main_~res~0;havoc isinf_float_#res;havoc isinf_float_#t~mem4, isinf_float_#t~union5, 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; {33#false} is VALID [2020-07-28 17:53:29,184 INFO L280 TraceCheckUtils]: 7: Hoare triple {33#false} assume !true; {33#false} is VALID [2020-07-28 17:53:29,184 INFO L280 TraceCheckUtils]: 8: Hoare triple {33#false} isinf_float_~ix~1 := ~bitwiseAnd(isinf_float_~ix~1, 2147483647);isinf_float_#res := (if 2139095040 == isinf_float_~ix~1 then 1 else 0); {33#false} is VALID [2020-07-28 17:53:29,185 INFO L280 TraceCheckUtils]: 9: Hoare triple {33#false} main_#t~ret7 := isinf_float_#res;assume -2147483648 <= main_#t~ret7 && main_#t~ret7 <= 2147483647; {33#false} is VALID [2020-07-28 17:53:29,185 INFO L280 TraceCheckUtils]: 10: Hoare triple {33#false} assume 0 == main_#t~ret7;havoc main_#t~ret7; {33#false} is VALID [2020-07-28 17:53:29,185 INFO L280 TraceCheckUtils]: 11: Hoare triple {33#false} assume !false; {33#false} is VALID [2020-07-28 17:53:29,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:53:29,189 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592679509] [2020-07-28 17:53:29,190 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:53:29,190 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 17:53:29,191 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132772601] [2020-07-28 17:53:29,197 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-07-28 17:53:29,199 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:53:29,203 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 17:53:29,226 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:53:29,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 17:53:29,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 17:53:29,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 17:53:29,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:53:29,239 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 2 states. [2020-07-28 17:53:29,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:53:29,308 INFO L93 Difference]: Finished difference Result 56 states and 86 transitions. [2020-07-28 17:53:29,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 17:53:29,308 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-07-28 17:53:29,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:53:29,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:53:29,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 86 transitions. [2020-07-28 17:53:29,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:53:29,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 86 transitions. [2020-07-28 17:53:29,325 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 86 transitions. [2020-07-28 17:53:29,458 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 86 edges. 86 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:53:29,470 INFO L225 Difference]: With dead ends: 56 [2020-07-28 17:53:29,470 INFO L226 Difference]: Without dead ends: 26 [2020-07-28 17:53:29,474 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 17:53:29,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2020-07-28 17:53:29,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2020-07-28 17:53:29,512 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:53:29,513 INFO L82 GeneralOperation]: Start isEquivalent. First operand 26 states. Second operand 26 states. [2020-07-28 17:53:29,514 INFO L74 IsIncluded]: Start isIncluded. First operand 26 states. Second operand 26 states. [2020-07-28 17:53:29,514 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 26 states. [2020-07-28 17:53:29,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:53:29,518 INFO L93 Difference]: Finished difference Result 26 states and 34 transitions. [2020-07-28 17:53:29,518 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2020-07-28 17:53:29,519 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:53:29,519 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:53:29,520 INFO L74 IsIncluded]: Start isIncluded. First operand 26 states. Second operand 26 states. [2020-07-28 17:53:29,520 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 26 states. [2020-07-28 17:53:29,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:53:29,524 INFO L93 Difference]: Finished difference Result 26 states and 34 transitions. [2020-07-28 17:53:29,524 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2020-07-28 17:53:29,525 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:53:29,525 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:53:29,525 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:53:29,525 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:53:29,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-07-28 17:53:29,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 34 transitions. [2020-07-28 17:53:29,530 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 34 transitions. Word has length 12 [2020-07-28 17:53:29,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:53:29,531 INFO L479 AbstractCegarLoop]: Abstraction has 26 states and 34 transitions. [2020-07-28 17:53:29,531 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 17:53:29,531 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2020-07-28 17:53:29,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-07-28 17:53:29,532 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:53:29,532 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:53:29,533 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 17:53:29,533 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:53:29,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:53:29,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1026834198, now seen corresponding path program 1 times [2020-07-28 17:53:29,534 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 17:53:29,535 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899425346] [2020-07-28 17:53:29,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 17:53:29,693 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 17:53:29,694 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.TableauxRow.(TableauxRow.java:45) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.generateLinVar(LinArSolve.java:275) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.createEquality(LinArSolve.java:1974) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createLAEquality(EqualityProxy.java:83) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createAtom(EqualityProxy.java:165) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.getLiteral(EqualityProxy.java:186) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createCCEquality(EqualityProxy.java:109) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.mbtc(LinArSolve.java:1891) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.computeConflictClause(LinArSolve.java:664) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.checkConsistency(DPLLEngine.java:1010) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.solve(DPLLEngine.java:1157) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol$CheckType$1.check(SMTInterpol.java:117) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.checkSatAssuming(SMTInterpol.java:494) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.checkSat(SMTInterpol.java:446) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:130) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:295) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:206) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-28 17:53:29,706 INFO L168 Benchmark]: Toolchain (without parser) took 1849.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 952.2 MB in the beginning and 1.0 GB in the end (delta: -87.2 MB). Peak memory consumption was 48.1 MB. Max. memory is 11.5 GB. [2020-07-28 17:53:29,707 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:53:29,710 INFO L168 Benchmark]: CACSL2BoogieTranslator took 417.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -179.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2020-07-28 17:53:29,714 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 17:53:29,715 INFO L168 Benchmark]: Boogie Preprocessor took 34.25 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 17:53:29,716 INFO L168 Benchmark]: RCFGBuilder took 582.56 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: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. [2020-07-28 17:53:29,717 INFO L168 Benchmark]: TraceAbstraction took 752.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.1 MB). Peak memory consumption was 53.1 MB. Max. memory is 11.5 GB. [2020-07-28 17:53:29,727 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 417.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -179.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.25 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 582.56 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: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 752.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.1 MB). Peak memory consumption was 53.1 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 17:53:31,682 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 17:53:31,684 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 17:53:31,697 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 17:53:31,697 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 17:53:31,699 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 17:53:31,700 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 17:53:31,702 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 17:53:31,704 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 17:53:31,705 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 17:53:31,706 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 17:53:31,707 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 17:53:31,707 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 17:53:31,709 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 17:53:31,710 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 17:53:31,711 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 17:53:31,712 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 17:53:31,713 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 17:53:31,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 17:53:31,717 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 17:53:31,719 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 17:53:31,722 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 17:53:31,723 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 17:53:31,724 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 17:53:31,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 17:53:31,730 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 17:53:31,730 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 17:53:31,733 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 17:53:31,734 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 17:53:31,735 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 17:53:31,735 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:53:31,737 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:53:31,739 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:53:31,741 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:53:31,744 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:53:31,744 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:53:31,745 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:53:31,745 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:53:31,747 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:53:31,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:53:31,749 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:53:31,750 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-07-28 17:53:31,778 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:53:31,779 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:53:31,780 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:53:31,781 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:53:31,781 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:53:31,781 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:53:31,781 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:53:31,781 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:53:31,782 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:53:31,782 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:53:31,783 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:53:31,783 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:53:31,783 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-07-28 17:53:31,784 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-07-28 17:53:31,784 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:53:31,784 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:53:31,784 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:53:31,785 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:53:31,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:53:31,785 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:53:31,785 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:53:31,785 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:53:31,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:53:31,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:53:31,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:53:31,786 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:53:31,786 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-07-28 17:53:31,787 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-07-28 17:53:31,787 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:53:31,787 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:53:31,787 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-28 17:53:31,787 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 -> 269c6e32b98d41be14ec8894bc32516e2df9c183 [2020-07-28 17:53:32,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:53:32,120 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:53:32,123 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:53:32,125 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:53:32,125 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:53:32,126 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1052a.c [2020-07-28 17:53:32,200 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d60bd1783/3b8e9e66916a4969a4e035605787a070/FLAG668d28bb5 [2020-07-28 17:53:32,719 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:53:32,720 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1052a.c [2020-07-28 17:53:32,730 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d60bd1783/3b8e9e66916a4969a4e035605787a070/FLAG668d28bb5 [2020-07-28 17:53:33,049 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d60bd1783/3b8e9e66916a4969a4e035605787a070 [2020-07-28 17:53:33,052 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:53:33,056 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:53:33,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:53:33,057 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:53:33,062 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:53:33,064 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:53:33" (1/1) ... [2020-07-28 17:53:33,067 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@438520d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:33, skipping insertion in model container [2020-07-28 17:53:33,068 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:53:33" (1/1) ... [2020-07-28 17:53:33,075 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:53:33,096 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:53:33,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:53:33,306 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 17:53:33,340 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:53:33,369 INFO L208 MainTranslator]: Completed translation [2020-07-28 17:53:33,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:33 WrapperNode [2020-07-28 17:53:33,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 17:53:33,371 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 17:53:33,371 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 17:53:33,371 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 17:53:33,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:33" (1/1) ... [2020-07-28 17:53:33,465 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:33" (1/1) ... [2020-07-28 17:53:33,510 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 17:53:33,515 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 17:53:33,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 17:53:33,515 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 17:53:33,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:33" (1/1) ... [2020-07-28 17:53:33,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:33" (1/1) ... [2020-07-28 17:53:33,534 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:33" (1/1) ... [2020-07-28 17:53:33,535 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:33" (1/1) ... [2020-07-28 17:53:33,547 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:33" (1/1) ... [2020-07-28 17:53:33,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:33" (1/1) ... [2020-07-28 17:53:33,555 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:33" (1/1) ... [2020-07-28 17:53:33,559 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 17:53:33,559 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 17:53:33,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 17:53:33,559 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 17:53:33,561 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:33" (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 17:53:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 17:53:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-07-28 17:53:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-07-28 17:53:33,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 17:53:33,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 17:53:33,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-07-28 17:53:33,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-07-28 17:53:33,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 17:53:34,311 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 17:53:34,311 INFO L295 CfgBuilder]: Removed 14 assume(true) statements. [2020-07-28 17:53:34,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:53:34 BoogieIcfgContainer [2020-07-28 17:53:34,315 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 17:53:34,316 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 17:53:34,316 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 17:53:34,319 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 17:53:34,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 05:53:33" (1/3) ... [2020-07-28 17:53:34,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f660b80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:53:34, skipping insertion in model container [2020-07-28 17:53:34,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:33" (2/3) ... [2020-07-28 17:53:34,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f660b80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:53:34, skipping insertion in model container [2020-07-28 17:53:34,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:53:34" (3/3) ... [2020-07-28 17:53:34,323 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1052a.c [2020-07-28 17:53:34,332 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 17:53:34,339 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 17:53:34,349 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 17:53:34,369 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 17:53:34,369 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 17:53:34,369 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 17:53:34,370 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 17:53:34,370 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 17:53:34,370 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 17:53:34,370 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 17:53:34,370 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 17:53:34,384 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-07-28 17:53:34,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-28 17:53:34,390 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:53:34,391 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:53:34,391 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:53:34,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:53:34,397 INFO L82 PathProgramCache]: Analyzing trace with hash -2064187560, now seen corresponding path program 1 times [2020-07-28 17:53:34,409 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:53:34,409 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1903999257] [2020-07-28 17:53:34,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-07-28 17:53:34,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:53:34,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-28 17:53:34,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:53:34,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:53:34,595 INFO L280 TraceCheckUtils]: 0: Hoare triple {32#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~huge_floor~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30)); {32#true} is VALID [2020-07-28 17:53:34,596 INFO L280 TraceCheckUtils]: 1: Hoare triple {32#true} havoc main_#res;havoc main_#t~ret6, main_#t~ret7, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());floor_float_#in~x := main_~x~0;havoc floor_float_#res;havoc floor_float_#t~mem0, floor_float_#t~union1, floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset, floor_float_#t~mem2, floor_float_#t~union3, floor_float_~#sf_u~0.base, floor_float_~#sf_u~0.offset, floor_float_~x, floor_float_~i0~0, floor_float_~j0~0, floor_float_~i~0, floor_float_~ix~0;floor_float_~x := floor_float_#in~x;havoc floor_float_~i0~0;havoc floor_float_~j0~0;havoc floor_float_~i~0;havoc floor_float_~ix~0; {32#true} is VALID [2020-07-28 17:53:34,597 INFO L280 TraceCheckUtils]: 2: Hoare triple {32#true} assume !true; {33#false} is VALID [2020-07-28 17:53:34,597 INFO L280 TraceCheckUtils]: 3: Hoare triple {33#false} floor_float_~ix~0 := ~bvand32(2147483647bv32, floor_float_~i0~0);floor_float_~j0~0 := ~bvsub32(~bvlshr32(floor_float_~ix~0, 23bv32), 127bv32); {33#false} is VALID [2020-07-28 17:53:34,597 INFO L280 TraceCheckUtils]: 4: Hoare triple {33#false} assume !~bvslt32(floor_float_~j0~0, 23bv32); {33#false} is VALID [2020-07-28 17:53:34,598 INFO L280 TraceCheckUtils]: 5: Hoare triple {33#false} assume !!~bvult32(floor_float_~ix~0, 2139095040bv32);floor_float_#res := floor_float_~x; {33#false} is VALID [2020-07-28 17:53:34,598 INFO L280 TraceCheckUtils]: 6: Hoare triple {33#false} main_#t~ret6 := floor_float_#res;main_~res~0 := main_#t~ret6;havoc main_#t~ret6;isinf_float_#in~x := main_~res~0;havoc isinf_float_#res;havoc isinf_float_#t~mem4, isinf_float_#t~union5, 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; {33#false} is VALID [2020-07-28 17:53:34,598 INFO L280 TraceCheckUtils]: 7: Hoare triple {33#false} assume !true; {33#false} is VALID [2020-07-28 17:53:34,599 INFO L280 TraceCheckUtils]: 8: Hoare triple {33#false} isinf_float_~ix~1 := ~bvand32(2147483647bv32, isinf_float_~ix~1);isinf_float_#res := (if 2139095040bv32 == isinf_float_~ix~1 then 1bv32 else 0bv32); {33#false} is VALID [2020-07-28 17:53:34,599 INFO L280 TraceCheckUtils]: 9: Hoare triple {33#false} main_#t~ret7 := isinf_float_#res; {33#false} is VALID [2020-07-28 17:53:34,599 INFO L280 TraceCheckUtils]: 10: Hoare triple {33#false} assume 0bv32 == main_#t~ret7;havoc main_#t~ret7; {33#false} is VALID [2020-07-28 17:53:34,600 INFO L280 TraceCheckUtils]: 11: Hoare triple {33#false} assume !false; {33#false} is VALID [2020-07-28 17:53:34,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:53:34,603 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:53:34,629 INFO L280 TraceCheckUtils]: 11: Hoare triple {33#false} assume !false; {33#false} is VALID [2020-07-28 17:53:34,629 INFO L280 TraceCheckUtils]: 10: Hoare triple {33#false} assume 0bv32 == main_#t~ret7;havoc main_#t~ret7; {33#false} is VALID [2020-07-28 17:53:34,629 INFO L280 TraceCheckUtils]: 9: Hoare triple {33#false} main_#t~ret7 := isinf_float_#res; {33#false} is VALID [2020-07-28 17:53:34,630 INFO L280 TraceCheckUtils]: 8: Hoare triple {33#false} isinf_float_~ix~1 := ~bvand32(2147483647bv32, isinf_float_~ix~1);isinf_float_#res := (if 2139095040bv32 == isinf_float_~ix~1 then 1bv32 else 0bv32); {33#false} is VALID [2020-07-28 17:53:34,630 INFO L280 TraceCheckUtils]: 7: Hoare triple {33#false} assume !true; {33#false} is VALID [2020-07-28 17:53:34,631 INFO L280 TraceCheckUtils]: 6: Hoare triple {33#false} main_#t~ret6 := floor_float_#res;main_~res~0 := main_#t~ret6;havoc main_#t~ret6;isinf_float_#in~x := main_~res~0;havoc isinf_float_#res;havoc isinf_float_#t~mem4, isinf_float_#t~union5, 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; {33#false} is VALID [2020-07-28 17:53:34,631 INFO L280 TraceCheckUtils]: 5: Hoare triple {33#false} assume !!~bvult32(floor_float_~ix~0, 2139095040bv32);floor_float_#res := floor_float_~x; {33#false} is VALID [2020-07-28 17:53:34,632 INFO L280 TraceCheckUtils]: 4: Hoare triple {33#false} assume !~bvslt32(floor_float_~j0~0, 23bv32); {33#false} is VALID [2020-07-28 17:53:34,632 INFO L280 TraceCheckUtils]: 3: Hoare triple {33#false} floor_float_~ix~0 := ~bvand32(2147483647bv32, floor_float_~i0~0);floor_float_~j0~0 := ~bvsub32(~bvlshr32(floor_float_~ix~0, 23bv32), 127bv32); {33#false} is VALID [2020-07-28 17:53:34,633 INFO L280 TraceCheckUtils]: 2: Hoare triple {32#true} assume !true; {33#false} is VALID [2020-07-28 17:53:34,634 INFO L280 TraceCheckUtils]: 1: Hoare triple {32#true} havoc main_#res;havoc main_#t~ret6, main_#t~ret7, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());floor_float_#in~x := main_~x~0;havoc floor_float_#res;havoc floor_float_#t~mem0, floor_float_#t~union1, floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset, floor_float_#t~mem2, floor_float_#t~union3, floor_float_~#sf_u~0.base, floor_float_~#sf_u~0.offset, floor_float_~x, floor_float_~i0~0, floor_float_~j0~0, floor_float_~i~0, floor_float_~ix~0;floor_float_~x := floor_float_#in~x;havoc floor_float_~i0~0;havoc floor_float_~j0~0;havoc floor_float_~i~0;havoc floor_float_~ix~0; {32#true} is VALID [2020-07-28 17:53:34,634 INFO L280 TraceCheckUtils]: 0: Hoare triple {32#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~huge_floor~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30)); {32#true} is VALID [2020-07-28 17:53:34,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:53:34,637 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1903999257] [2020-07-28 17:53:34,637 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:53:34,638 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-07-28 17:53:34,638 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471816707] [2020-07-28 17:53:34,645 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-07-28 17:53:34,647 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:53:34,651 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 17:53:34,686 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:53:34,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 17:53:34,687 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:53:34,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 17:53:34,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:53:34,700 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 2 states. [2020-07-28 17:53:34,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:53:34,986 INFO L93 Difference]: Finished difference Result 56 states and 86 transitions. [2020-07-28 17:53:34,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 17:53:34,987 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-07-28 17:53:34,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:53:34,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:53:34,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 86 transitions. [2020-07-28 17:53:34,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:53:35,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 86 transitions. [2020-07-28 17:53:35,003 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 86 transitions. [2020-07-28 17:53:35,313 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 86 edges. 86 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:53:35,326 INFO L225 Difference]: With dead ends: 56 [2020-07-28 17:53:35,326 INFO L226 Difference]: Without dead ends: 26 [2020-07-28 17:53:35,330 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:53:35,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2020-07-28 17:53:35,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2020-07-28 17:53:35,368 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:53:35,369 INFO L82 GeneralOperation]: Start isEquivalent. First operand 26 states. Second operand 26 states. [2020-07-28 17:53:35,369 INFO L74 IsIncluded]: Start isIncluded. First operand 26 states. Second operand 26 states. [2020-07-28 17:53:35,370 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 26 states. [2020-07-28 17:53:35,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:53:35,374 INFO L93 Difference]: Finished difference Result 26 states and 34 transitions. [2020-07-28 17:53:35,374 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2020-07-28 17:53:35,374 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:53:35,375 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:53:35,375 INFO L74 IsIncluded]: Start isIncluded. First operand 26 states. Second operand 26 states. [2020-07-28 17:53:35,375 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 26 states. [2020-07-28 17:53:35,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:53:35,379 INFO L93 Difference]: Finished difference Result 26 states and 34 transitions. [2020-07-28 17:53:35,379 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2020-07-28 17:53:35,380 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:53:35,380 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:53:35,380 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:53:35,380 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:53:35,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-07-28 17:53:35,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 34 transitions. [2020-07-28 17:53:35,385 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 34 transitions. Word has length 12 [2020-07-28 17:53:35,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:53:35,386 INFO L479 AbstractCegarLoop]: Abstraction has 26 states and 34 transitions. [2020-07-28 17:53:35,386 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 17:53:35,386 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2020-07-28 17:53:35,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-07-28 17:53:35,387 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:53:35,387 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:53:35,601 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-07-28 17:53:35,602 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:53:35,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:53:35,603 INFO L82 PathProgramCache]: Analyzing trace with hash -1026834198, now seen corresponding path program 1 times [2020-07-28 17:53:35,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:53:35,605 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1310337454] [2020-07-28 17:53:35,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-07-28 17:53:35,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:53:35,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-28 17:53:35,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:53:35,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:53:35,951 INFO L280 TraceCheckUtils]: 0: Hoare triple {250#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~huge_floor~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30)); {250#true} is VALID [2020-07-28 17:53:35,956 INFO L280 TraceCheckUtils]: 1: Hoare triple {250#true} havoc main_#res;havoc main_#t~ret6, main_#t~ret7, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());floor_float_#in~x := main_~x~0;havoc floor_float_#res;havoc floor_float_#t~mem0, floor_float_#t~union1, floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset, floor_float_#t~mem2, floor_float_#t~union3, floor_float_~#sf_u~0.base, floor_float_~#sf_u~0.offset, floor_float_~x, floor_float_~i0~0, floor_float_~j0~0, floor_float_~i~0, floor_float_~ix~0;floor_float_~x := floor_float_#in~x;havoc floor_float_~i0~0;havoc floor_float_~j0~0;havoc floor_float_~i~0;havoc floor_float_~ix~0; {258#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_floor_float_~x))} is VALID [2020-07-28 17:53:35,963 INFO L280 TraceCheckUtils]: 2: Hoare triple {258#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_floor_float_~x))} call floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(floor_float_~x, floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset, 4bv32);call floor_float_#t~mem0 := read~intINTTYPE4(floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset, 4bv32);floor_float_~i0~0 := floor_float_#t~mem0;call write~intFLOATTYPE4(floor_float_#t~union1, floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset, 4bv32);havoc floor_float_#t~mem0;havoc floor_float_#t~union1;call ULTIMATE.dealloc(floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset);havoc floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset; {262#(exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start_floor_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_floor_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_floor_float_~i0~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} is VALID [2020-07-28 17:53:35,965 INFO L280 TraceCheckUtils]: 3: Hoare triple {262#(exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start_floor_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_floor_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_floor_float_~i0~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} goto; {262#(exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start_floor_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_floor_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_floor_float_~i0~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} is VALID [2020-07-28 17:53:35,970 INFO L280 TraceCheckUtils]: 4: Hoare triple {262#(exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start_floor_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_floor_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_floor_float_~i0~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} floor_float_~ix~0 := ~bvand32(2147483647bv32, floor_float_~i0~0);floor_float_~j0~0 := ~bvsub32(~bvlshr32(floor_float_~ix~0, 23bv32), 127bv32); {269#(exists ((ULTIMATE.start_floor_float_~i0~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 31 31) ULTIMATE.start_floor_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_floor_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_floor_float_~i0~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= (bvand (_ bv2147483647 32) ULTIMATE.start_floor_float_~i0~0) ULTIMATE.start_floor_float_~ix~0)))} is VALID [2020-07-28 17:53:35,972 INFO L280 TraceCheckUtils]: 5: Hoare triple {269#(exists ((ULTIMATE.start_floor_float_~i0~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 31 31) ULTIMATE.start_floor_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_floor_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_floor_float_~i0~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= (bvand (_ bv2147483647 32) ULTIMATE.start_floor_float_~i0~0) ULTIMATE.start_floor_float_~ix~0)))} assume !~bvslt32(floor_float_~j0~0, 23bv32); {269#(exists ((ULTIMATE.start_floor_float_~i0~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 31 31) ULTIMATE.start_floor_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_floor_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_floor_float_~i0~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= (bvand (_ bv2147483647 32) ULTIMATE.start_floor_float_~i0~0) ULTIMATE.start_floor_float_~ix~0)))} is VALID [2020-07-28 17:53:35,976 INFO L280 TraceCheckUtils]: 6: Hoare triple {269#(exists ((ULTIMATE.start_floor_float_~i0~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 31 31) ULTIMATE.start_floor_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_floor_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_floor_float_~i0~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= (bvand (_ bv2147483647 32) ULTIMATE.start_floor_float_~i0~0) ULTIMATE.start_floor_float_~ix~0)))} assume !!~bvult32(floor_float_~ix~0, 2139095040bv32);floor_float_#res := floor_float_~x; {251#false} is VALID [2020-07-28 17:53:35,976 INFO L280 TraceCheckUtils]: 7: Hoare triple {251#false} main_#t~ret6 := floor_float_#res;main_~res~0 := main_#t~ret6;havoc main_#t~ret6;isinf_float_#in~x := main_~res~0;havoc isinf_float_#res;havoc isinf_float_#t~mem4, isinf_float_#t~union5, 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; {251#false} is VALID [2020-07-28 17:53:35,977 INFO L280 TraceCheckUtils]: 8: Hoare triple {251#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~mem4 := read~intINTTYPE4(isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, 4bv32);isinf_float_~ix~1 := isinf_float_#t~mem4;call write~intFLOATTYPE4(isinf_float_#t~union5, isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, 4bv32);havoc isinf_float_#t~mem4;havoc isinf_float_#t~union5;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; {251#false} is VALID [2020-07-28 17:53:35,977 INFO L280 TraceCheckUtils]: 9: Hoare triple {251#false} goto; {251#false} is VALID [2020-07-28 17:53:35,978 INFO L280 TraceCheckUtils]: 10: Hoare triple {251#false} isinf_float_~ix~1 := ~bvand32(2147483647bv32, isinf_float_~ix~1);isinf_float_#res := (if 2139095040bv32 == isinf_float_~ix~1 then 1bv32 else 0bv32); {251#false} is VALID [2020-07-28 17:53:35,978 INFO L280 TraceCheckUtils]: 11: Hoare triple {251#false} main_#t~ret7 := isinf_float_#res; {251#false} is VALID [2020-07-28 17:53:35,979 INFO L280 TraceCheckUtils]: 12: Hoare triple {251#false} assume 0bv32 == main_#t~ret7;havoc main_#t~ret7; {251#false} is VALID [2020-07-28 17:53:35,979 INFO L280 TraceCheckUtils]: 13: Hoare triple {251#false} assume !false; {251#false} is VALID [2020-07-28 17:53:35,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:53:35,982 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:53:36,146 INFO L280 TraceCheckUtils]: 13: Hoare triple {251#false} assume !false; {251#false} is VALID [2020-07-28 17:53:36,146 INFO L280 TraceCheckUtils]: 12: Hoare triple {251#false} assume 0bv32 == main_#t~ret7;havoc main_#t~ret7; {251#false} is VALID [2020-07-28 17:53:36,147 INFO L280 TraceCheckUtils]: 11: Hoare triple {251#false} main_#t~ret7 := isinf_float_#res; {251#false} is VALID [2020-07-28 17:53:36,147 INFO L280 TraceCheckUtils]: 10: Hoare triple {251#false} isinf_float_~ix~1 := ~bvand32(2147483647bv32, isinf_float_~ix~1);isinf_float_#res := (if 2139095040bv32 == isinf_float_~ix~1 then 1bv32 else 0bv32); {251#false} is VALID [2020-07-28 17:53:36,148 INFO L280 TraceCheckUtils]: 9: Hoare triple {251#false} goto; {251#false} is VALID [2020-07-28 17:53:36,148 INFO L280 TraceCheckUtils]: 8: Hoare triple {251#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~mem4 := read~intINTTYPE4(isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, 4bv32);isinf_float_~ix~1 := isinf_float_#t~mem4;call write~intFLOATTYPE4(isinf_float_#t~union5, isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, 4bv32);havoc isinf_float_#t~mem4;havoc isinf_float_#t~union5;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; {251#false} is VALID [2020-07-28 17:53:36,149 INFO L280 TraceCheckUtils]: 7: Hoare triple {251#false} main_#t~ret6 := floor_float_#res;main_~res~0 := main_#t~ret6;havoc main_#t~ret6;isinf_float_#in~x := main_~res~0;havoc isinf_float_#res;havoc isinf_float_#t~mem4, isinf_float_#t~union5, 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; {251#false} is VALID [2020-07-28 17:53:36,150 INFO L280 TraceCheckUtils]: 6: Hoare triple {318#(not (bvult ULTIMATE.start_floor_float_~ix~0 (_ bv2139095040 32)))} assume !!~bvult32(floor_float_~ix~0, 2139095040bv32);floor_float_#res := floor_float_~x; {251#false} is VALID [2020-07-28 17:53:36,151 INFO L280 TraceCheckUtils]: 5: Hoare triple {318#(not (bvult ULTIMATE.start_floor_float_~ix~0 (_ bv2139095040 32)))} assume !~bvslt32(floor_float_~j0~0, 23bv32); {318#(not (bvult ULTIMATE.start_floor_float_~ix~0 (_ bv2139095040 32)))} is VALID [2020-07-28 17:53:36,153 INFO L280 TraceCheckUtils]: 4: Hoare triple {325#(not (bvult (bvand (_ bv2147483647 32) ULTIMATE.start_floor_float_~i0~0) (_ bv2139095040 32)))} floor_float_~ix~0 := ~bvand32(2147483647bv32, floor_float_~i0~0);floor_float_~j0~0 := ~bvsub32(~bvlshr32(floor_float_~ix~0, 23bv32), 127bv32); {318#(not (bvult ULTIMATE.start_floor_float_~ix~0 (_ bv2139095040 32)))} is VALID [2020-07-28 17:53:36,154 INFO L280 TraceCheckUtils]: 3: Hoare triple {325#(not (bvult (bvand (_ bv2147483647 32) ULTIMATE.start_floor_float_~i0~0) (_ bv2139095040 32)))} goto; {325#(not (bvult (bvand (_ bv2147483647 32) ULTIMATE.start_floor_float_~i0~0) (_ bv2139095040 32)))} is VALID [2020-07-28 17:53:36,158 INFO L280 TraceCheckUtils]: 2: Hoare triple {332#(forall ((|v_skolemized_q#valueAsBitvector_5| (_ BitVec 32))) (or (not (bvult (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_5|) (_ bv2139095040 32))) (not (= ULTIMATE.start_floor_float_~x (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_5|))))))} call floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(floor_float_~x, floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset, 4bv32);call floor_float_#t~mem0 := read~intINTTYPE4(floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset, 4bv32);floor_float_~i0~0 := floor_float_#t~mem0;call write~intFLOATTYPE4(floor_float_#t~union1, floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset, 4bv32);havoc floor_float_#t~mem0;havoc floor_float_#t~union1;call ULTIMATE.dealloc(floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset);havoc floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset; {325#(not (bvult (bvand (_ bv2147483647 32) ULTIMATE.start_floor_float_~i0~0) (_ bv2139095040 32)))} is VALID [2020-07-28 17:53:36,162 INFO L280 TraceCheckUtils]: 1: Hoare triple {250#true} havoc main_#res;havoc main_#t~ret6, main_#t~ret7, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());floor_float_#in~x := main_~x~0;havoc floor_float_#res;havoc floor_float_#t~mem0, floor_float_#t~union1, floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset, floor_float_#t~mem2, floor_float_#t~union3, floor_float_~#sf_u~0.base, floor_float_~#sf_u~0.offset, floor_float_~x, floor_float_~i0~0, floor_float_~j0~0, floor_float_~i~0, floor_float_~ix~0;floor_float_~x := floor_float_#in~x;havoc floor_float_~i0~0;havoc floor_float_~j0~0;havoc floor_float_~i~0;havoc floor_float_~ix~0; {332#(forall ((|v_skolemized_q#valueAsBitvector_5| (_ BitVec 32))) (or (not (bvult (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_5|) (_ bv2139095040 32))) (not (= ULTIMATE.start_floor_float_~x (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_5|))))))} is VALID [2020-07-28 17:53:36,163 INFO L280 TraceCheckUtils]: 0: Hoare triple {250#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~huge_floor~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30)); {250#true} is VALID [2020-07-28 17:53:36,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:53:36,164 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1310337454] [2020-07-28 17:53:36,165 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:53:36,165 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-07-28 17:53:36,165 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994547443] [2020-07-28 17:53:36,167 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2020-07-28 17:53:36,168 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:53:36,168 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-28 17:53:36,236 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 17:53:36,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-28 17:53:36,237 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:53:36,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-28 17:53:36,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-28 17:53:36,238 INFO L87 Difference]: Start difference. First operand 26 states and 34 transitions. Second operand 8 states. [2020-07-28 17:53:37,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:53:37,540 INFO L93 Difference]: Finished difference Result 49 states and 55 transitions. [2020-07-28 17:53:37,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 17:53:37,540 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2020-07-28 17:53:37,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:53:37,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-28 17:53:37,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 55 transitions. [2020-07-28 17:53:37,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-28 17:53:37,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 55 transitions. [2020-07-28 17:53:37,545 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 55 transitions. [2020-07-28 17:53:37,868 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:53:37,869 INFO L225 Difference]: With dead ends: 49 [2020-07-28 17:53:37,870 INFO L226 Difference]: Without dead ends: 36 [2020-07-28 17:53:37,872 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-07-28 17:53:37,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-07-28 17:53:37,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 25. [2020-07-28 17:53:37,899 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:53:37,899 INFO L82 GeneralOperation]: Start isEquivalent. First operand 36 states. Second operand 25 states. [2020-07-28 17:53:37,899 INFO L74 IsIncluded]: Start isIncluded. First operand 36 states. Second operand 25 states. [2020-07-28 17:53:37,899 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 25 states. [2020-07-28 17:53:37,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:53:37,902 INFO L93 Difference]: Finished difference Result 36 states and 39 transitions. [2020-07-28 17:53:37,902 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2020-07-28 17:53:37,903 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:53:37,903 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:53:37,903 INFO L74 IsIncluded]: Start isIncluded. First operand 25 states. Second operand 36 states. [2020-07-28 17:53:37,903 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 36 states. [2020-07-28 17:53:37,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:53:37,906 INFO L93 Difference]: Finished difference Result 36 states and 39 transitions. [2020-07-28 17:53:37,907 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2020-07-28 17:53:37,907 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:53:37,907 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:53:37,908 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:53:37,908 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:53:37,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-07-28 17:53:37,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2020-07-28 17:53:37,910 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 14 [2020-07-28 17:53:37,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:53:37,910 INFO L479 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2020-07-28 17:53:37,910 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-28 17:53:37,911 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2020-07-28 17:53:37,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-07-28 17:53:37,913 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:53:37,913 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:53:38,114 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-07-28 17:53:38,115 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:53:38,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:53:38,116 INFO L82 PathProgramCache]: Analyzing trace with hash -217487572, now seen corresponding path program 1 times [2020-07-28 17:53:38,117 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:53:38,118 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [140442523] [2020-07-28 17:53:38,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-07-28 17:53:38,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:53:38,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-28 17:53:38,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:53:38,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:53:38,340 INFO L523 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-28 17:53:38,413 INFO L280 TraceCheckUtils]: 0: Hoare triple {504#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~huge_floor~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30)); {509#(= currentRoundingMode roundNearestTiesToEven)} is VALID [2020-07-28 17:53:38,416 INFO L280 TraceCheckUtils]: 1: Hoare triple {509#(= currentRoundingMode roundNearestTiesToEven)} havoc main_#res;havoc main_#t~ret6, main_#t~ret7, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());floor_float_#in~x := main_~x~0;havoc floor_float_#res;havoc floor_float_#t~mem0, floor_float_#t~union1, floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset, floor_float_#t~mem2, floor_float_#t~union3, floor_float_~#sf_u~0.base, floor_float_~#sf_u~0.offset, floor_float_~x, floor_float_~i0~0, floor_float_~j0~0, floor_float_~i~0, floor_float_~ix~0;floor_float_~x := floor_float_#in~x;havoc floor_float_~i0~0;havoc floor_float_~j0~0;havoc floor_float_~i~0;havoc floor_float_~ix~0; {513#(and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_floor_float_~x) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:53:38,418 INFO L280 TraceCheckUtils]: 2: Hoare triple {513#(and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_floor_float_~x) (= currentRoundingMode roundNearestTiesToEven))} call floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(floor_float_~x, floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset, 4bv32);call floor_float_#t~mem0 := read~intINTTYPE4(floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset, 4bv32);floor_float_~i0~0 := floor_float_#t~mem0;call write~intFLOATTYPE4(floor_float_#t~union1, floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset, 4bv32);havoc floor_float_#t~mem0;havoc floor_float_#t~union1;call ULTIMATE.dealloc(floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset);havoc floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset; {513#(and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_floor_float_~x) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:53:38,419 INFO L280 TraceCheckUtils]: 3: Hoare triple {513#(and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_floor_float_~x) (= currentRoundingMode roundNearestTiesToEven))} goto; {513#(and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_floor_float_~x) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:53:38,420 INFO L280 TraceCheckUtils]: 4: Hoare triple {513#(and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_floor_float_~x) (= currentRoundingMode roundNearestTiesToEven))} floor_float_~ix~0 := ~bvand32(2147483647bv32, floor_float_~i0~0);floor_float_~j0~0 := ~bvsub32(~bvlshr32(floor_float_~ix~0, 23bv32), 127bv32); {513#(and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_floor_float_~x) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:53:38,422 INFO L280 TraceCheckUtils]: 5: Hoare triple {513#(and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_floor_float_~x) (= currentRoundingMode roundNearestTiesToEven))} assume !~bvslt32(floor_float_~j0~0, 23bv32); {513#(and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_floor_float_~x) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2020-07-28 17:53:38,423 INFO L280 TraceCheckUtils]: 6: Hoare triple {513#(and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_floor_float_~x) (= currentRoundingMode roundNearestTiesToEven))} assume !~bvult32(floor_float_~ix~0, 2139095040bv32);floor_float_#res := ~fp.add~FLOAT(currentRoundingMode, floor_float_~x, floor_float_~x); {529#(= (fp.add roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)) (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) |ULTIMATE.start_floor_float_#res|)} is VALID [2020-07-28 17:53:38,424 INFO L280 TraceCheckUtils]: 7: Hoare triple {529#(= (fp.add roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)) (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) |ULTIMATE.start_floor_float_#res|)} main_#t~ret6 := floor_float_#res;main_~res~0 := main_#t~ret6;havoc main_#t~ret6;isinf_float_#in~x := main_~res~0;havoc isinf_float_#res;havoc isinf_float_#t~mem4, isinf_float_#t~union5, 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; {533#(= (fp.add roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)) (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) ULTIMATE.start_isinf_float_~x)} is VALID [2020-07-28 17:53:38,427 INFO L280 TraceCheckUtils]: 8: Hoare triple {533#(= (fp.add roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)) (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) ULTIMATE.start_isinf_float_~x)} call isinf_float_~#gf_u~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~mem4 := read~intINTTYPE4(isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, 4bv32);isinf_float_~ix~1 := isinf_float_#t~mem4;call write~intFLOATTYPE4(isinf_float_#t~union5, isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, 4bv32);havoc isinf_float_#t~mem4;havoc isinf_float_#t~union5;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; {537#(= (fp.add roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)) (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~1)))} is VALID [2020-07-28 17:53:38,429 INFO L280 TraceCheckUtils]: 9: Hoare triple {537#(= (fp.add roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)) (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~1)))} goto; {537#(= (fp.add roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)) (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~1)))} is VALID [2020-07-28 17:53:38,431 INFO L280 TraceCheckUtils]: 10: Hoare triple {537#(= (fp.add roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)) (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~1)))} isinf_float_~ix~1 := ~bvand32(2147483647bv32, isinf_float_~ix~1);isinf_float_#res := (if 2139095040bv32 == isinf_float_~ix~1 then 1bv32 else 0bv32); {544#(= (bvadd |ULTIMATE.start_isinf_float_#res| (_ bv4294967295 32)) (_ bv0 32))} is VALID [2020-07-28 17:53:38,432 INFO L280 TraceCheckUtils]: 11: Hoare triple {544#(= (bvadd |ULTIMATE.start_isinf_float_#res| (_ bv4294967295 32)) (_ bv0 32))} main_#t~ret7 := isinf_float_#res; {548#(= (_ bv1 32) |ULTIMATE.start_main_#t~ret7|)} is VALID [2020-07-28 17:53:38,433 INFO L280 TraceCheckUtils]: 12: Hoare triple {548#(= (_ bv1 32) |ULTIMATE.start_main_#t~ret7|)} assume 0bv32 == main_#t~ret7;havoc main_#t~ret7; {505#false} is VALID [2020-07-28 17:53:38,433 INFO L280 TraceCheckUtils]: 13: Hoare triple {505#false} assume !false; {505#false} is VALID [2020-07-28 17:53:38,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:53:38,435 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:53:39,537 INFO L280 TraceCheckUtils]: 13: Hoare triple {505#false} assume !false; {505#false} is VALID [2020-07-28 17:53:39,538 INFO L280 TraceCheckUtils]: 12: Hoare triple {558#(not (= |ULTIMATE.start_main_#t~ret7| (_ bv0 32)))} assume 0bv32 == main_#t~ret7;havoc main_#t~ret7; {505#false} is VALID [2020-07-28 17:53:39,538 INFO L280 TraceCheckUtils]: 11: Hoare triple {562#(not (= |ULTIMATE.start_isinf_float_#res| (_ bv0 32)))} main_#t~ret7 := isinf_float_#res; {558#(not (= |ULTIMATE.start_main_#t~ret7| (_ bv0 32)))} is VALID [2020-07-28 17:53:39,544 INFO L280 TraceCheckUtils]: 10: Hoare triple {566#(= (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); {562#(not (= |ULTIMATE.start_isinf_float_#res| (_ bv0 32)))} is VALID [2020-07-28 17:53:39,545 INFO L280 TraceCheckUtils]: 9: Hoare triple {566#(= (bvadd (bvand (_ bv2147483647 32) ULTIMATE.start_isinf_float_~ix~1) (_ bv2155872256 32)) (_ bv0 32))} goto; {566#(= (bvadd (bvand (_ bv2147483647 32) ULTIMATE.start_isinf_float_~ix~1) (_ bv2155872256 32)) (_ bv0 32))} is VALID [2020-07-28 17:53:39,548 INFO L280 TraceCheckUtils]: 8: Hoare triple {573#(forall ((v_skolemized_v_prenex_2_3 (_ BitVec 32))) (or (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_skolemized_v_prenex_2_3)) (not (= ULTIMATE.start_isinf_float_~x (fp ((_ extract 31 31) v_skolemized_v_prenex_2_3) ((_ extract 30 23) v_skolemized_v_prenex_2_3) ((_ extract 22 0) v_skolemized_v_prenex_2_3))))))} 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~mem4 := read~intINTTYPE4(isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, 4bv32);isinf_float_~ix~1 := isinf_float_#t~mem4;call write~intFLOATTYPE4(isinf_float_#t~union5, isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, 4bv32);havoc isinf_float_#t~mem4;havoc isinf_float_#t~union5;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; {566#(= (bvadd (bvand (_ bv2147483647 32) ULTIMATE.start_isinf_float_~ix~1) (_ bv2155872256 32)) (_ bv0 32))} is VALID [2020-07-28 17:53:39,555 INFO L280 TraceCheckUtils]: 7: Hoare triple {577#(forall ((v_skolemized_v_prenex_2_3 (_ BitVec 32))) (or (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_skolemized_v_prenex_2_3)) (not (= |ULTIMATE.start_floor_float_#res| (fp ((_ extract 31 31) v_skolemized_v_prenex_2_3) ((_ extract 30 23) v_skolemized_v_prenex_2_3) ((_ extract 22 0) v_skolemized_v_prenex_2_3))))))} main_#t~ret6 := floor_float_#res;main_~res~0 := main_#t~ret6;havoc main_#t~ret6;isinf_float_#in~x := main_~res~0;havoc isinf_float_#res;havoc isinf_float_#t~mem4, isinf_float_#t~union5, 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; {573#(forall ((v_skolemized_v_prenex_2_3 (_ BitVec 32))) (or (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_skolemized_v_prenex_2_3)) (not (= ULTIMATE.start_isinf_float_~x (fp ((_ extract 31 31) v_skolemized_v_prenex_2_3) ((_ extract 30 23) v_skolemized_v_prenex_2_3) ((_ extract 22 0) v_skolemized_v_prenex_2_3))))))} is VALID [2020-07-28 17:53:39,556 INFO L280 TraceCheckUtils]: 6: Hoare triple {581#(forall ((v_skolemized_v_prenex_2_3 (_ BitVec 32))) (or (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_skolemized_v_prenex_2_3)) (not (= (fp.add currentRoundingMode ULTIMATE.start_floor_float_~x ULTIMATE.start_floor_float_~x) (fp ((_ extract 31 31) v_skolemized_v_prenex_2_3) ((_ extract 30 23) v_skolemized_v_prenex_2_3) ((_ extract 22 0) v_skolemized_v_prenex_2_3))))))} assume !~bvult32(floor_float_~ix~0, 2139095040bv32);floor_float_#res := ~fp.add~FLOAT(currentRoundingMode, floor_float_~x, floor_float_~x); {577#(forall ((v_skolemized_v_prenex_2_3 (_ BitVec 32))) (or (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_skolemized_v_prenex_2_3)) (not (= |ULTIMATE.start_floor_float_#res| (fp ((_ extract 31 31) v_skolemized_v_prenex_2_3) ((_ extract 30 23) v_skolemized_v_prenex_2_3) ((_ extract 22 0) v_skolemized_v_prenex_2_3))))))} is VALID [2020-07-28 17:53:39,557 INFO L280 TraceCheckUtils]: 5: Hoare triple {581#(forall ((v_skolemized_v_prenex_2_3 (_ BitVec 32))) (or (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_skolemized_v_prenex_2_3)) (not (= (fp.add currentRoundingMode ULTIMATE.start_floor_float_~x ULTIMATE.start_floor_float_~x) (fp ((_ extract 31 31) v_skolemized_v_prenex_2_3) ((_ extract 30 23) v_skolemized_v_prenex_2_3) ((_ extract 22 0) v_skolemized_v_prenex_2_3))))))} assume !~bvslt32(floor_float_~j0~0, 23bv32); {581#(forall ((v_skolemized_v_prenex_2_3 (_ BitVec 32))) (or (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_skolemized_v_prenex_2_3)) (not (= (fp.add currentRoundingMode ULTIMATE.start_floor_float_~x ULTIMATE.start_floor_float_~x) (fp ((_ extract 31 31) v_skolemized_v_prenex_2_3) ((_ extract 30 23) v_skolemized_v_prenex_2_3) ((_ extract 22 0) v_skolemized_v_prenex_2_3))))))} is VALID [2020-07-28 17:53:39,557 INFO L280 TraceCheckUtils]: 4: Hoare triple {581#(forall ((v_skolemized_v_prenex_2_3 (_ BitVec 32))) (or (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_skolemized_v_prenex_2_3)) (not (= (fp.add currentRoundingMode ULTIMATE.start_floor_float_~x ULTIMATE.start_floor_float_~x) (fp ((_ extract 31 31) v_skolemized_v_prenex_2_3) ((_ extract 30 23) v_skolemized_v_prenex_2_3) ((_ extract 22 0) v_skolemized_v_prenex_2_3))))))} floor_float_~ix~0 := ~bvand32(2147483647bv32, floor_float_~i0~0);floor_float_~j0~0 := ~bvsub32(~bvlshr32(floor_float_~ix~0, 23bv32), 127bv32); {581#(forall ((v_skolemized_v_prenex_2_3 (_ BitVec 32))) (or (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_skolemized_v_prenex_2_3)) (not (= (fp.add currentRoundingMode ULTIMATE.start_floor_float_~x ULTIMATE.start_floor_float_~x) (fp ((_ extract 31 31) v_skolemized_v_prenex_2_3) ((_ extract 30 23) v_skolemized_v_prenex_2_3) ((_ extract 22 0) v_skolemized_v_prenex_2_3))))))} is VALID [2020-07-28 17:53:39,558 INFO L280 TraceCheckUtils]: 3: Hoare triple {581#(forall ((v_skolemized_v_prenex_2_3 (_ BitVec 32))) (or (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_skolemized_v_prenex_2_3)) (not (= (fp.add currentRoundingMode ULTIMATE.start_floor_float_~x ULTIMATE.start_floor_float_~x) (fp ((_ extract 31 31) v_skolemized_v_prenex_2_3) ((_ extract 30 23) v_skolemized_v_prenex_2_3) ((_ extract 22 0) v_skolemized_v_prenex_2_3))))))} goto; {581#(forall ((v_skolemized_v_prenex_2_3 (_ BitVec 32))) (or (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_skolemized_v_prenex_2_3)) (not (= (fp.add currentRoundingMode ULTIMATE.start_floor_float_~x ULTIMATE.start_floor_float_~x) (fp ((_ extract 31 31) v_skolemized_v_prenex_2_3) ((_ extract 30 23) v_skolemized_v_prenex_2_3) ((_ extract 22 0) v_skolemized_v_prenex_2_3))))))} is VALID [2020-07-28 17:53:39,560 INFO L280 TraceCheckUtils]: 2: Hoare triple {581#(forall ((v_skolemized_v_prenex_2_3 (_ BitVec 32))) (or (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_skolemized_v_prenex_2_3)) (not (= (fp.add currentRoundingMode ULTIMATE.start_floor_float_~x ULTIMATE.start_floor_float_~x) (fp ((_ extract 31 31) v_skolemized_v_prenex_2_3) ((_ extract 30 23) v_skolemized_v_prenex_2_3) ((_ extract 22 0) v_skolemized_v_prenex_2_3))))))} call floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(floor_float_~x, floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset, 4bv32);call floor_float_#t~mem0 := read~intINTTYPE4(floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset, 4bv32);floor_float_~i0~0 := floor_float_#t~mem0;call write~intFLOATTYPE4(floor_float_#t~union1, floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset, 4bv32);havoc floor_float_#t~mem0;havoc floor_float_#t~union1;call ULTIMATE.dealloc(floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset);havoc floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset; {581#(forall ((v_skolemized_v_prenex_2_3 (_ BitVec 32))) (or (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_skolemized_v_prenex_2_3)) (not (= (fp.add currentRoundingMode ULTIMATE.start_floor_float_~x ULTIMATE.start_floor_float_~x) (fp ((_ extract 31 31) v_skolemized_v_prenex_2_3) ((_ extract 30 23) v_skolemized_v_prenex_2_3) ((_ extract 22 0) v_skolemized_v_prenex_2_3))))))} is VALID [2020-07-28 17:53:39,577 INFO L280 TraceCheckUtils]: 1: Hoare triple {504#true} havoc main_#res;havoc main_#t~ret6, main_#t~ret7, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());floor_float_#in~x := main_~x~0;havoc floor_float_#res;havoc floor_float_#t~mem0, floor_float_#t~union1, floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset, floor_float_#t~mem2, floor_float_#t~union3, floor_float_~#sf_u~0.base, floor_float_~#sf_u~0.offset, floor_float_~x, floor_float_~i0~0, floor_float_~j0~0, floor_float_~i~0, floor_float_~ix~0;floor_float_~x := floor_float_#in~x;havoc floor_float_~i0~0;havoc floor_float_~j0~0;havoc floor_float_~i~0;havoc floor_float_~ix~0; {581#(forall ((v_skolemized_v_prenex_2_3 (_ BitVec 32))) (or (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_skolemized_v_prenex_2_3)) (not (= (fp.add currentRoundingMode ULTIMATE.start_floor_float_~x ULTIMATE.start_floor_float_~x) (fp ((_ extract 31 31) v_skolemized_v_prenex_2_3) ((_ extract 30 23) v_skolemized_v_prenex_2_3) ((_ extract 22 0) v_skolemized_v_prenex_2_3))))))} is VALID [2020-07-28 17:53:39,577 INFO L280 TraceCheckUtils]: 0: Hoare triple {504#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~huge_floor~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30)); {504#true} is VALID [2020-07-28 17:53:39,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:53:39,579 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [140442523] [2020-07-28 17:53:39,579 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:53:39,579 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 15 [2020-07-28 17:53:39,579 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341231951] [2020-07-28 17:53:39,580 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 14 [2020-07-28 17:53:39,580 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:53:39,580 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states. [2020-07-28 17:53:39,709 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:53:39,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-28 17:53:39,709 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:53:39,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-28 17:53:39,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2020-07-28 17:53:39,711 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand 15 states. [2020-07-28 17:53:42,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:53:42,758 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2020-07-28 17:53:42,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-28 17:53:42,759 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 14 [2020-07-28 17:53:42,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:53:42,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-07-28 17:53:42,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 36 transitions. [2020-07-28 17:53:42,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-07-28 17:53:42,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 36 transitions. [2020-07-28 17:53:42,762 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 36 transitions. [2020-07-28 17:53:42,906 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 36 edges. 36 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:53:42,908 INFO L225 Difference]: With dead ends: 33 [2020-07-28 17:53:42,908 INFO L226 Difference]: Without dead ends: 24 [2020-07-28 17:53:42,909 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2020-07-28 17:53:42,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-07-28 17:53:42,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-07-28 17:53:42,920 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:53:42,920 INFO L82 GeneralOperation]: Start isEquivalent. First operand 24 states. Second operand 24 states. [2020-07-28 17:53:42,921 INFO L74 IsIncluded]: Start isIncluded. First operand 24 states. Second operand 24 states. [2020-07-28 17:53:42,921 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 24 states. [2020-07-28 17:53:42,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:53:42,923 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2020-07-28 17:53:42,923 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2020-07-28 17:53:42,924 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:53:42,924 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:53:42,924 INFO L74 IsIncluded]: Start isIncluded. First operand 24 states. Second operand 24 states. [2020-07-28 17:53:42,924 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 24 states. [2020-07-28 17:53:42,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:53:42,926 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2020-07-28 17:53:42,926 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2020-07-28 17:53:42,926 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:53:42,926 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:53:42,927 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:53:42,927 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:53:42,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-07-28 17:53:42,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions. [2020-07-28 17:53:42,928 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 14 [2020-07-28 17:53:42,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:53:42,928 INFO L479 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions. [2020-07-28 17:53:42,929 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-28 17:53:42,929 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2020-07-28 17:53:42,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-28 17:53:42,929 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:53:42,929 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:53:43,133 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-07-28 17:53:43,134 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:53:43,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:53:43,135 INFO L82 PathProgramCache]: Analyzing trace with hash 1158240359, now seen corresponding path program 1 times [2020-07-28 17:53:43,136 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:53:43,137 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [431995102] [2020-07-28 17:53:43,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-07-28 17:53:43,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:53:43,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-28 17:53:43,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:53:43,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:53:43,400 INFO L280 TraceCheckUtils]: 0: Hoare triple {725#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~huge_floor~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30)); {725#true} is VALID [2020-07-28 17:53:43,404 INFO L280 TraceCheckUtils]: 1: Hoare triple {725#true} havoc main_#res;havoc main_#t~ret6, main_#t~ret7, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());floor_float_#in~x := main_~x~0;havoc floor_float_#res;havoc floor_float_#t~mem0, floor_float_#t~union1, floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset, floor_float_#t~mem2, floor_float_#t~union3, floor_float_~#sf_u~0.base, floor_float_~#sf_u~0.offset, floor_float_~x, floor_float_~i0~0, floor_float_~j0~0, floor_float_~i~0, floor_float_~ix~0;floor_float_~x := floor_float_#in~x;havoc floor_float_~i0~0;havoc floor_float_~j0~0;havoc floor_float_~i~0;havoc floor_float_~ix~0; {733#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_floor_float_~x))} is VALID [2020-07-28 17:53:43,409 INFO L280 TraceCheckUtils]: 2: Hoare triple {733#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_floor_float_~x))} call floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(floor_float_~x, floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset, 4bv32);call floor_float_#t~mem0 := read~intINTTYPE4(floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset, 4bv32);floor_float_~i0~0 := floor_float_#t~mem0;call write~intFLOATTYPE4(floor_float_#t~union1, floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset, 4bv32);havoc floor_float_#t~mem0;havoc floor_float_#t~union1;call ULTIMATE.dealloc(floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset);havoc floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset; {737#(exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start_floor_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_floor_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_floor_float_~i0~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} is VALID [2020-07-28 17:53:43,410 INFO L280 TraceCheckUtils]: 3: Hoare triple {737#(exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start_floor_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_floor_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_floor_float_~i0~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} goto; {737#(exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start_floor_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_floor_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_floor_float_~i0~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} is VALID [2020-07-28 17:53:43,414 INFO L280 TraceCheckUtils]: 4: Hoare triple {737#(exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start_floor_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_floor_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_floor_float_~i0~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} floor_float_~ix~0 := ~bvand32(2147483647bv32, floor_float_~i0~0);floor_float_~j0~0 := ~bvsub32(~bvlshr32(floor_float_~ix~0, 23bv32), 127bv32); {744#(exists ((ULTIMATE.start_floor_float_~i0~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (bvadd (bvlshr (bvand (_ bv2147483647 32) ULTIMATE.start_floor_float_~i0~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_floor_float_~j0~0) (= (fp ((_ extract 31 31) ULTIMATE.start_floor_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_floor_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_floor_float_~i0~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))} is VALID [2020-07-28 17:53:43,418 INFO L280 TraceCheckUtils]: 5: Hoare triple {744#(exists ((ULTIMATE.start_floor_float_~i0~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (bvadd (bvlshr (bvand (_ bv2147483647 32) ULTIMATE.start_floor_float_~i0~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_floor_float_~j0~0) (= (fp ((_ extract 31 31) ULTIMATE.start_floor_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_floor_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_floor_float_~i0~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))} assume ~bvslt32(floor_float_~j0~0, 23bv32); {726#false} is VALID [2020-07-28 17:53:43,419 INFO L280 TraceCheckUtils]: 6: Hoare triple {726#false} assume ~bvslt32(floor_float_~j0~0, 0bv32); {726#false} is VALID [2020-07-28 17:53:43,419 INFO L280 TraceCheckUtils]: 7: Hoare triple {726#false} assume !~fp.gt~FLOAT(~fp.add~FLOAT(currentRoundingMode, ~huge_floor~0, floor_float_~x), ~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE())); {726#false} is VALID [2020-07-28 17:53:43,419 INFO L280 TraceCheckUtils]: 8: Hoare triple {726#false} call floor_float_~#sf_u~0.base, floor_float_~#sf_u~0.offset := #Ultimate.allocOnStack(4bv32);call write~intINTTYPE4(floor_float_~i0~0, floor_float_~#sf_u~0.base, floor_float_~#sf_u~0.offset, 4bv32);call floor_float_#t~mem2 := read~intFLOATTYPE4(floor_float_~#sf_u~0.base, floor_float_~#sf_u~0.offset, 4bv32);floor_float_~x := floor_float_#t~mem2;call write~intINTTYPE4(floor_float_#t~union3, floor_float_~#sf_u~0.base, floor_float_~#sf_u~0.offset, 4bv32);havoc floor_float_#t~mem2;havoc floor_float_#t~union3;call ULTIMATE.dealloc(floor_float_~#sf_u~0.base, floor_float_~#sf_u~0.offset);havoc floor_float_~#sf_u~0.base, floor_float_~#sf_u~0.offset; {726#false} is VALID [2020-07-28 17:53:43,419 INFO L280 TraceCheckUtils]: 9: Hoare triple {726#false} goto; {726#false} is VALID [2020-07-28 17:53:43,420 INFO L280 TraceCheckUtils]: 10: Hoare triple {726#false} floor_float_#res := floor_float_~x; {726#false} is VALID [2020-07-28 17:53:43,420 INFO L280 TraceCheckUtils]: 11: Hoare triple {726#false} main_#t~ret6 := floor_float_#res;main_~res~0 := main_#t~ret6;havoc main_#t~ret6;isinf_float_#in~x := main_~res~0;havoc isinf_float_#res;havoc isinf_float_#t~mem4, isinf_float_#t~union5, 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; {726#false} is VALID [2020-07-28 17:53:43,420 INFO L280 TraceCheckUtils]: 12: Hoare triple {726#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~mem4 := read~intINTTYPE4(isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, 4bv32);isinf_float_~ix~1 := isinf_float_#t~mem4;call write~intFLOATTYPE4(isinf_float_#t~union5, isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, 4bv32);havoc isinf_float_#t~mem4;havoc isinf_float_#t~union5;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; {726#false} is VALID [2020-07-28 17:53:43,421 INFO L280 TraceCheckUtils]: 13: Hoare triple {726#false} goto; {726#false} is VALID [2020-07-28 17:53:43,421 INFO L280 TraceCheckUtils]: 14: Hoare triple {726#false} isinf_float_~ix~1 := ~bvand32(2147483647bv32, isinf_float_~ix~1);isinf_float_#res := (if 2139095040bv32 == isinf_float_~ix~1 then 1bv32 else 0bv32); {726#false} is VALID [2020-07-28 17:53:43,421 INFO L280 TraceCheckUtils]: 15: Hoare triple {726#false} main_#t~ret7 := isinf_float_#res; {726#false} is VALID [2020-07-28 17:53:43,422 INFO L280 TraceCheckUtils]: 16: Hoare triple {726#false} assume 0bv32 == main_#t~ret7;havoc main_#t~ret7; {726#false} is VALID [2020-07-28 17:53:43,422 INFO L280 TraceCheckUtils]: 17: Hoare triple {726#false} assume !false; {726#false} is VALID [2020-07-28 17:53:43,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:53:43,424 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:53:43,580 INFO L280 TraceCheckUtils]: 17: Hoare triple {726#false} assume !false; {726#false} is VALID [2020-07-28 17:53:43,580 INFO L280 TraceCheckUtils]: 16: Hoare triple {726#false} assume 0bv32 == main_#t~ret7;havoc main_#t~ret7; {726#false} is VALID [2020-07-28 17:53:43,580 INFO L280 TraceCheckUtils]: 15: Hoare triple {726#false} main_#t~ret7 := isinf_float_#res; {726#false} is VALID [2020-07-28 17:53:43,581 INFO L280 TraceCheckUtils]: 14: Hoare triple {726#false} isinf_float_~ix~1 := ~bvand32(2147483647bv32, isinf_float_~ix~1);isinf_float_#res := (if 2139095040bv32 == isinf_float_~ix~1 then 1bv32 else 0bv32); {726#false} is VALID [2020-07-28 17:53:43,581 INFO L280 TraceCheckUtils]: 13: Hoare triple {726#false} goto; {726#false} is VALID [2020-07-28 17:53:43,581 INFO L280 TraceCheckUtils]: 12: Hoare triple {726#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~mem4 := read~intINTTYPE4(isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, 4bv32);isinf_float_~ix~1 := isinf_float_#t~mem4;call write~intFLOATTYPE4(isinf_float_#t~union5, isinf_float_~#gf_u~1.base, isinf_float_~#gf_u~1.offset, 4bv32);havoc isinf_float_#t~mem4;havoc isinf_float_#t~union5;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; {726#false} is VALID [2020-07-28 17:53:43,581 INFO L280 TraceCheckUtils]: 11: Hoare triple {726#false} main_#t~ret6 := floor_float_#res;main_~res~0 := main_#t~ret6;havoc main_#t~ret6;isinf_float_#in~x := main_~res~0;havoc isinf_float_#res;havoc isinf_float_#t~mem4, isinf_float_#t~union5, 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; {726#false} is VALID [2020-07-28 17:53:43,582 INFO L280 TraceCheckUtils]: 10: Hoare triple {726#false} floor_float_#res := floor_float_~x; {726#false} is VALID [2020-07-28 17:53:43,582 INFO L280 TraceCheckUtils]: 9: Hoare triple {726#false} goto; {726#false} is VALID [2020-07-28 17:53:43,582 INFO L280 TraceCheckUtils]: 8: Hoare triple {726#false} call floor_float_~#sf_u~0.base, floor_float_~#sf_u~0.offset := #Ultimate.allocOnStack(4bv32);call write~intINTTYPE4(floor_float_~i0~0, floor_float_~#sf_u~0.base, floor_float_~#sf_u~0.offset, 4bv32);call floor_float_#t~mem2 := read~intFLOATTYPE4(floor_float_~#sf_u~0.base, floor_float_~#sf_u~0.offset, 4bv32);floor_float_~x := floor_float_#t~mem2;call write~intINTTYPE4(floor_float_#t~union3, floor_float_~#sf_u~0.base, floor_float_~#sf_u~0.offset, 4bv32);havoc floor_float_#t~mem2;havoc floor_float_#t~union3;call ULTIMATE.dealloc(floor_float_~#sf_u~0.base, floor_float_~#sf_u~0.offset);havoc floor_float_~#sf_u~0.base, floor_float_~#sf_u~0.offset; {726#false} is VALID [2020-07-28 17:53:43,582 INFO L280 TraceCheckUtils]: 7: Hoare triple {726#false} assume !~fp.gt~FLOAT(~fp.add~FLOAT(currentRoundingMode, ~huge_floor~0, floor_float_~x), ~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE())); {726#false} is VALID [2020-07-28 17:53:43,583 INFO L280 TraceCheckUtils]: 6: Hoare triple {726#false} assume ~bvslt32(floor_float_~j0~0, 0bv32); {726#false} is VALID [2020-07-28 17:53:43,587 INFO L280 TraceCheckUtils]: 5: Hoare triple {820#(not (bvslt ULTIMATE.start_floor_float_~j0~0 (_ bv23 32)))} assume ~bvslt32(floor_float_~j0~0, 23bv32); {726#false} is VALID [2020-07-28 17:53:43,590 INFO L280 TraceCheckUtils]: 4: Hoare triple {824#(not (bvslt (bvadd (bvlshr (bvand (_ bv2147483647 32) ULTIMATE.start_floor_float_~i0~0) (_ bv23 32)) (_ bv4294967169 32)) (_ bv23 32)))} floor_float_~ix~0 := ~bvand32(2147483647bv32, floor_float_~i0~0);floor_float_~j0~0 := ~bvsub32(~bvlshr32(floor_float_~ix~0, 23bv32), 127bv32); {820#(not (bvslt ULTIMATE.start_floor_float_~j0~0 (_ bv23 32)))} is VALID [2020-07-28 17:53:43,591 INFO L280 TraceCheckUtils]: 3: Hoare triple {824#(not (bvslt (bvadd (bvlshr (bvand (_ bv2147483647 32) ULTIMATE.start_floor_float_~i0~0) (_ bv23 32)) (_ bv4294967169 32)) (_ bv23 32)))} goto; {824#(not (bvslt (bvadd (bvlshr (bvand (_ bv2147483647 32) ULTIMATE.start_floor_float_~i0~0) (_ bv23 32)) (_ bv4294967169 32)) (_ bv23 32)))} is VALID [2020-07-28 17:53:43,596 INFO L280 TraceCheckUtils]: 2: Hoare triple {831#(forall ((v_ULTIMATE.start_floor_float_~i0~0_21 (_ BitVec 32))) (or (not (= ULTIMATE.start_floor_float_~x (fp ((_ extract 31 31) v_ULTIMATE.start_floor_float_~i0~0_21) ((_ extract 30 23) v_ULTIMATE.start_floor_float_~i0~0_21) ((_ extract 22 0) v_ULTIMATE.start_floor_float_~i0~0_21)))) (not (bvslt (bvadd (bvlshr (bvand (_ bv2147483647 32) v_ULTIMATE.start_floor_float_~i0~0_21) (_ bv23 32)) (_ bv4294967169 32)) (_ bv23 32)))))} call floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(floor_float_~x, floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset, 4bv32);call floor_float_#t~mem0 := read~intINTTYPE4(floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset, 4bv32);floor_float_~i0~0 := floor_float_#t~mem0;call write~intFLOATTYPE4(floor_float_#t~union1, floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset, 4bv32);havoc floor_float_#t~mem0;havoc floor_float_#t~union1;call ULTIMATE.dealloc(floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset);havoc floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset; {824#(not (bvslt (bvadd (bvlshr (bvand (_ bv2147483647 32) ULTIMATE.start_floor_float_~i0~0) (_ bv23 32)) (_ bv4294967169 32)) (_ bv23 32)))} is VALID [2020-07-28 17:53:43,600 INFO L280 TraceCheckUtils]: 1: Hoare triple {725#true} havoc main_#res;havoc main_#t~ret6, main_#t~ret7, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());floor_float_#in~x := main_~x~0;havoc floor_float_#res;havoc floor_float_#t~mem0, floor_float_#t~union1, floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset, floor_float_#t~mem2, floor_float_#t~union3, floor_float_~#sf_u~0.base, floor_float_~#sf_u~0.offset, floor_float_~x, floor_float_~i0~0, floor_float_~j0~0, floor_float_~i~0, floor_float_~ix~0;floor_float_~x := floor_float_#in~x;havoc floor_float_~i0~0;havoc floor_float_~j0~0;havoc floor_float_~i~0;havoc floor_float_~ix~0; {831#(forall ((v_ULTIMATE.start_floor_float_~i0~0_21 (_ BitVec 32))) (or (not (= ULTIMATE.start_floor_float_~x (fp ((_ extract 31 31) v_ULTIMATE.start_floor_float_~i0~0_21) ((_ extract 30 23) v_ULTIMATE.start_floor_float_~i0~0_21) ((_ extract 22 0) v_ULTIMATE.start_floor_float_~i0~0_21)))) (not (bvslt (bvadd (bvlshr (bvand (_ bv2147483647 32) v_ULTIMATE.start_floor_float_~i0~0_21) (_ bv23 32)) (_ bv4294967169 32)) (_ bv23 32)))))} is VALID [2020-07-28 17:53:43,600 INFO L280 TraceCheckUtils]: 0: Hoare triple {725#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~huge_floor~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30)); {725#true} is VALID [2020-07-28 17:53:43,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:53:43,601 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [431995102] [2020-07-28 17:53:43,601 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:53:43,602 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-07-28 17:53:43,602 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698600835] [2020-07-28 17:53:43,603 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2020-07-28 17:53:43,603 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:53:43,603 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-28 17:53:43,667 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:53:43,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-28 17:53:43,668 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:53:43,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-28 17:53:43,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-28 17:53:43,669 INFO L87 Difference]: Start difference. First operand 24 states and 26 transitions. Second operand 8 states. [2020-07-28 17:53:43,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:53:43,838 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2020-07-28 17:53:43,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 17:53:43,838 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2020-07-28 17:53:43,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:53:43,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-28 17:53:43,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 26 transitions. [2020-07-28 17:53:43,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-28 17:53:43,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 26 transitions. [2020-07-28 17:53:43,840 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 26 transitions. [2020-07-28 17:53:43,960 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:53:43,960 INFO L225 Difference]: With dead ends: 24 [2020-07-28 17:53:43,960 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 17:53:43,961 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 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 17:53:43,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 17:53:43,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 17:53:43,961 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:53:43,962 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 17:53:43,962 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 17:53:43,962 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 17:53:43,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:53:43,962 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 17:53:43,962 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:53:43,962 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:53:43,962 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:53:43,963 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 17:53:43,963 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 17:53:43,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:53:43,963 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 17:53:43,963 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:53:43,963 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:53:43,963 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:53:43,963 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:53:43,964 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:53:43,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 17:53:43,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 17:53:43,964 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-07-28 17:53:43,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:53:43,964 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 17:53:43,964 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-28 17:53:43,964 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:53:43,964 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:53:44,165 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-07-28 17:53:44,169 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 17:53:44,413 INFO L268 CegarLoopResult]: For program point L23(lines 23 47) no Hoare annotation was computed. [2020-07-28 17:53:44,413 INFO L268 CegarLoopResult]: For program point L48(lines 48 52) no Hoare annotation was computed. [2020-07-28 17:53:44,413 INFO L268 CegarLoopResult]: For program point L48-1(lines 13 54) no Hoare annotation was computed. [2020-07-28 17:53:44,414 INFO L268 CegarLoopResult]: For program point L48-2(lines 48 52) no Hoare annotation was computed. [2020-07-28 17:53:44,414 INFO L268 CegarLoopResult]: For program point L36(lines 36 40) no Hoare annotation was computed. [2020-07-28 17:53:44,414 INFO L264 CegarLoopResult]: At program point L65(lines 57 66) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven .cse1 .cse1)))) (and (= .cse0 (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~1))) (= (_ bv0 32) (bvadd |ULTIMATE.start_isinf_float_#res| (_ bv4294967295 32))) (= .cse0 |ULTIMATE.start_floor_float_#res|) (= .cse0 ULTIMATE.start_isinf_float_~x) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_floor_float_~x) (exists ((ULTIMATE.start_floor_float_~i0~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 31 31) ULTIMATE.start_floor_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_floor_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_floor_float_~i0~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= (bvand (_ bv2147483647 32) ULTIMATE.start_floor_float_~i0~0) ULTIMATE.start_floor_float_~ix~0))) (= currentRoundingMode roundNearestTiesToEven))) [2020-07-28 17:53:44,414 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 17:53:44,415 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 17:53:44,415 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 17:53:44,415 INFO L268 CegarLoopResult]: For program point L28(lines 28 30) no Hoare annotation was computed. [2020-07-28 17:53:44,415 INFO L268 CegarLoopResult]: For program point L24(lines 24 41) no Hoare annotation was computed. [2020-07-28 17:53:44,415 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 80) no Hoare annotation was computed. [2020-07-28 17:53:44,415 INFO L264 CegarLoopResult]: At program point L53(lines 13 54) the Hoare annotation is: (and (= (let ((.cse0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start_floor_float_#res|) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_floor_float_~x) (exists ((ULTIMATE.start_floor_float_~i0~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 31 31) ULTIMATE.start_floor_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_floor_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_floor_float_~i0~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= (bvand (_ bv2147483647 32) ULTIMATE.start_floor_float_~i0~0) ULTIMATE.start_floor_float_~ix~0))) (= currentRoundingMode roundNearestTiesToEven)) [2020-07-28 17:53:44,415 INFO L268 CegarLoopResult]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2020-07-28 17:53:44,415 INFO L264 CegarLoopResult]: At program point L16-2(lines 16 20) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_floor_float_~x)) (= currentRoundingMode roundNearestTiesToEven)) [2020-07-28 17:53:44,416 INFO L268 CegarLoopResult]: For program point L16-3(lines 16 20) no Hoare annotation was computed. [2020-07-28 17:53:44,416 INFO L268 CegarLoopResult]: For program point L37(lines 37 38) no Hoare annotation was computed. [2020-07-28 17:53:44,416 INFO L268 CegarLoopResult]: For program point L37-2(lines 37 38) no Hoare annotation was computed. [2020-07-28 17:53:44,416 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 17:53:44,416 INFO L268 CegarLoopResult]: For program point L25(lines 25 31) no Hoare annotation was computed. [2020-07-28 17:53:44,416 INFO L268 CegarLoopResult]: For program point L79(lines 79 82) no Hoare annotation was computed. [2020-07-28 17:53:44,416 INFO L268 CegarLoopResult]: For program point L34(lines 34 35) no Hoare annotation was computed. [2020-07-28 17:53:44,416 INFO L268 CegarLoopResult]: For program point L26(lines 26 30) no Hoare annotation was computed. [2020-07-28 17:53:44,416 INFO L268 CegarLoopResult]: For program point L59-1(lines 59 63) no Hoare annotation was computed. [2020-07-28 17:53:44,416 INFO L264 CegarLoopResult]: At program point L59-2(lines 59 63) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven .cse1 .cse1)))) (and (= .cse0 |ULTIMATE.start_floor_float_#res|) (= .cse0 ULTIMATE.start_isinf_float_~x) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_floor_float_~x) (exists ((ULTIMATE.start_floor_float_~i0~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 31 31) ULTIMATE.start_floor_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_floor_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_floor_float_~i0~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= (bvand (_ bv2147483647 32) ULTIMATE.start_floor_float_~i0~0) ULTIMATE.start_floor_float_~ix~0))) (= currentRoundingMode roundNearestTiesToEven))) [2020-07-28 17:53:44,417 INFO L268 CegarLoopResult]: For program point L59-3(lines 59 63) no Hoare annotation was computed. [2020-07-28 17:53:44,417 INFO L271 CegarLoopResult]: At program point L84(lines 68 85) the Hoare annotation is: true [2020-07-28 17:53:44,417 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-07-28 17:53:44,417 INFO L268 CegarLoopResult]: For program point L43(lines 43 46) no Hoare annotation was computed. [2020-07-28 17:53:44,420 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 17:53:44,420 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 17:53:44,421 WARN L170 areAnnotationChecker]: L16-1 has no Hoare annotation [2020-07-28 17:53:44,421 WARN L170 areAnnotationChecker]: L16-3 has no Hoare annotation [2020-07-28 17:53:44,421 WARN L170 areAnnotationChecker]: L16-1 has no Hoare annotation [2020-07-28 17:53:44,421 WARN L170 areAnnotationChecker]: L16-1 has no Hoare annotation [2020-07-28 17:53:44,421 WARN L170 areAnnotationChecker]: L16-3 has no Hoare annotation [2020-07-28 17:53:44,421 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-28 17:53:44,421 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-28 17:53:44,421 WARN L170 areAnnotationChecker]: L24 has no Hoare annotation [2020-07-28 17:53:44,421 WARN L170 areAnnotationChecker]: L24 has no Hoare annotation [2020-07-28 17:53:44,421 WARN L170 areAnnotationChecker]: L43 has no Hoare annotation [2020-07-28 17:53:44,422 WARN L170 areAnnotationChecker]: L43 has no Hoare annotation [2020-07-28 17:53:44,422 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-28 17:53:44,422 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-28 17:53:44,422 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-28 17:53:44,422 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-28 17:53:44,423 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-28 17:53:44,423 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-28 17:53:44,424 WARN L170 areAnnotationChecker]: L48-1 has no Hoare annotation [2020-07-28 17:53:44,424 WARN L170 areAnnotationChecker]: L48-1 has no Hoare annotation [2020-07-28 17:53:44,424 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2020-07-28 17:53:44,424 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2020-07-28 17:53:44,424 WARN L170 areAnnotationChecker]: L59-1 has no Hoare annotation [2020-07-28 17:53:44,424 WARN L170 areAnnotationChecker]: L59-3 has no Hoare annotation [2020-07-28 17:53:44,424 WARN L170 areAnnotationChecker]: L28 has no Hoare annotation [2020-07-28 17:53:44,424 WARN L170 areAnnotationChecker]: L28 has no Hoare annotation [2020-07-28 17:53:44,424 WARN L170 areAnnotationChecker]: L48 has no Hoare annotation [2020-07-28 17:53:44,424 WARN L170 areAnnotationChecker]: L48 has no Hoare annotation [2020-07-28 17:53:44,425 WARN L170 areAnnotationChecker]: L48-2 has no Hoare annotation [2020-07-28 17:53:44,425 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2020-07-28 17:53:44,425 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2020-07-28 17:53:44,425 WARN L170 areAnnotationChecker]: L59-1 has no Hoare annotation [2020-07-28 17:53:44,425 WARN L170 areAnnotationChecker]: L59-1 has no Hoare annotation [2020-07-28 17:53:44,425 WARN L170 areAnnotationChecker]: L59-3 has no Hoare annotation [2020-07-28 17:53:44,425 WARN L170 areAnnotationChecker]: L37-2 has no Hoare annotation [2020-07-28 17:53:44,425 WARN L170 areAnnotationChecker]: L79 has no Hoare annotation [2020-07-28 17:53:44,425 WARN L170 areAnnotationChecker]: L79 has no Hoare annotation [2020-07-28 17:53:44,425 WARN L170 areAnnotationChecker]: L79 has no Hoare annotation [2020-07-28 17:53:44,425 WARN L170 areAnnotationChecker]: L80 has no Hoare annotation [2020-07-28 17:53:44,426 WARN L170 areAnnotationChecker]: L80 has no Hoare annotation [2020-07-28 17:53:44,426 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:53:44,426 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:53:44,426 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 17:53:44,431 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,432 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,432 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,432 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,432 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,433 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,433 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,433 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,433 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:44,433 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:44,434 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,434 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,436 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:44,437 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:44,437 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:44,440 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,440 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,441 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,441 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,441 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,441 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,442 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,442 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,442 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:44,442 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:44,442 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,442 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,443 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:44,443 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:44,443 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:44,445 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,445 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,445 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,446 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,446 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,446 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,446 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,447 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,447 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,447 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,447 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,447 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,448 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,448 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,448 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,448 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,449 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,449 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,449 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:44,449 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:44,449 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,449 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,450 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:44,451 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:44,451 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:44,452 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,452 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,452 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,452 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,452 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,453 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,453 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,453 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,453 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,453 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,454 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,454 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,454 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,454 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,454 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,455 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,455 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,455 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,455 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:44,455 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:44,455 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,456 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,457 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:44,457 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:44,457 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:44,458 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:44,458 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:44,459 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,459 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:44,459 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:44,459 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:44,460 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,460 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:44,460 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,461 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,461 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,461 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,461 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,461 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,462 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,462 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,462 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,462 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,463 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,463 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,463 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,463 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:44,463 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:44,463 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,464 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,464 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:44,465 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:44,465 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:44,466 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,466 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,466 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,466 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,466 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,467 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,467 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,467 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,467 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,467 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,468 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,468 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,468 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,468 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:44,468 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:44,469 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,469 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,469 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:44,469 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:44,470 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:44,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 05:53:44 BoogieIcfgContainer [2020-07-28 17:53:44,472 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 17:53:44,473 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 17:53:44,473 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 17:53:44,473 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 17:53:44,474 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:53:34" (3/4) ... [2020-07-28 17:53:44,478 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 17:53:44,490 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-07-28 17:53:44,490 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-07-28 17:53:44,491 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 17:53:44,521 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2020-07-28 17:53:44,522 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == \result && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) == x) && (\exists ULTIMATE.start_floor_float_~i0~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(ULTIMATE.start_floor_float_~i0~0[31:31], ULTIMATE.start_floor_float_~i0~0[30:23], ULTIMATE.start_floor_float_~i0~0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, ULTIMATE.start_floor_float_~i0~0) == ix)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2020-07-28 17:53:44,523 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == \result && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == x) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) == x) && (\exists ULTIMATE.start_floor_float_~i0~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(ULTIMATE.start_floor_float_~i0~0[31:31], ULTIMATE.start_floor_float_~i0~0[30:23], ULTIMATE.start_floor_float_~i0~0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, ULTIMATE.start_floor_float_~i0~0) == ix)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2020-07-28 17:53:44,523 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == \result) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == x) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) == x) && (\exists ULTIMATE.start_floor_float_~i0~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(ULTIMATE.start_floor_float_~i0~0[31:31], ULTIMATE.start_floor_float_~i0~0[30:23], ULTIMATE.start_floor_float_~i0~0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, ULTIMATE.start_floor_float_~i0~0) == ix)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2020-07-28 17:53:44,552 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 17:53:44,552 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 17:53:44,554 INFO L168 Benchmark]: Toolchain (without parser) took 11499.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 200.3 MB). Free memory was 956.2 MB in the beginning and 1.0 GB in the end (delta: -77.4 MB). Peak memory consumption was 122.9 MB. Max. memory is 11.5 GB. [2020-07-28 17:53:44,555 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:53:44,555 INFO L168 Benchmark]: CACSL2BoogieTranslator took 313.36 ms. Allocated memory is still 1.0 GB. Free memory was 956.2 MB in the beginning and 938.7 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2020-07-28 17:53:44,556 INFO L168 Benchmark]: Boogie Procedure Inliner took 143.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 938.7 MB in the beginning and 1.1 GB in the end (delta: -187.2 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2020-07-28 17:53:44,556 INFO L168 Benchmark]: Boogie Preprocessor took 44.29 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 17:53:44,557 INFO L168 Benchmark]: RCFGBuilder took 755.77 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: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. [2020-07-28 17:53:44,558 INFO L168 Benchmark]: TraceAbstraction took 10156.42 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 64.0 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.4 MB). Peak memory consumption was 116.3 MB. Max. memory is 11.5 GB. [2020-07-28 17:53:44,558 INFO L168 Benchmark]: Witness Printer took 79.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2020-07-28 17:53:44,561 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 313.36 ms. Allocated memory is still 1.0 GB. Free memory was 956.2 MB in the beginning and 938.7 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 143.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 938.7 MB in the beginning and 1.1 GB in the end (delta: -187.2 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.29 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 755.77 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: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10156.42 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 64.0 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.4 MB). Peak memory consumption was 116.3 MB. Max. memory is 11.5 GB. * Witness Printer took 79.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 80]: 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: 13]: Loop Invariant [2020-07-28 17:53:44,575 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,578 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,578 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,579 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,579 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,579 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,579 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,579 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,580 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:44,580 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:44,580 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,580 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,580 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:44,581 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:44,581 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:44,581 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,582 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,582 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,582 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,582 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,582 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,582 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,583 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,583 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:44,583 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:44,583 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,585 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,585 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:44,586 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:44,586 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == \result && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) == x) && (\exists ULTIMATE.start_floor_float_~i0~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(ULTIMATE.start_floor_float_~i0~0[31:31], ULTIMATE.start_floor_float_~i0~0[30:23], ULTIMATE.start_floor_float_~i0~0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, ULTIMATE.start_floor_float_~i0~0) == ix)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 57]: Loop Invariant [2020-07-28 17:53:44,588 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,588 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,588 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,588 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,588 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,589 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,589 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,589 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,590 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,590 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,590 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,590 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,590 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,590 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,591 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,591 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,591 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,594 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,595 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:44,595 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:44,595 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,595 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,596 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:44,596 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:44,596 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:44,597 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,597 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,597 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,598 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,598 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,598 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,598 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,598 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,598 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,599 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,599 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,599 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,599 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,599 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,599 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,600 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,600 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,600 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,600 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:44,600 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:44,600 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,601 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,601 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:44,601 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:44,601 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((((~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == \result) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == x) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) == x) && (\exists ULTIMATE.start_floor_float_~i0~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(ULTIMATE.start_floor_float_~i0~0[31:31], ULTIMATE.start_floor_float_~i0~0[30:23], ULTIMATE.start_floor_float_~i0~0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, ULTIMATE.start_floor_float_~i0~0) == ix)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 16]: Loop Invariant [2020-07-28 17:53:44,602 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:44,602 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:44,603 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,603 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:44,603 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:44,603 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:44,603 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,603 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 59]: Loop Invariant [2020-07-28 17:53:44,604 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,604 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,604 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,604 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,604 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,605 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,605 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,605 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,605 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,605 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,605 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,606 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,606 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,606 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:44,606 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:44,606 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,606 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,607 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:44,607 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:44,607 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:44,608 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,608 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,608 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,608 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,608 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,608 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,608 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,609 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,609 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,609 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,609 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,609 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,609 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,610 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:44,610 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-07-28 17:53:44,610 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2020-07-28 17:53:44,610 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:53:44,611 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:44,611 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:53:44,611 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == \result && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == x) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) == x) && (\exists ULTIMATE.start_floor_float_~i0~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(ULTIMATE.start_floor_float_~i0~0[31:31], ULTIMATE.start_floor_float_~i0~0[30:23], ULTIMATE.start_floor_float_~i0~0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, ULTIMATE.start_floor_float_~i0~0) == ix)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.7s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 5.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 72 SDtfs, 148 SDslu, 195 SDs, 0 SdLazy, 139 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 82 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 11 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 220 HoareAnnotationTreeSize, 5 FomulaSimplifications, 141 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 8 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 108 ConstructedInterpolants, 18 QuantifiedInterpolants, 8287 SizeOfPredicates, 28 NumberOfNonLiveVariables, 173 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...