./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1092b.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_1092b.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 2e3b677629e69b083ff740542124e952dcae7545 .................................................................................................................................................................................................................................................................................................................................................................................. 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_1092b.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 2e3b677629e69b083ff740542124e952dcae7545 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:53:50,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 17:53:50,616 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 17:53:50,628 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 17:53:50,628 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 17:53:50,629 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 17:53:50,631 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 17:53:50,633 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 17:53:50,635 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 17:53:50,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 17:53:50,637 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 17:53:50,638 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 17:53:50,638 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 17:53:50,639 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 17:53:50,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 17:53:50,642 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 17:53:50,642 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 17:53:50,643 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 17:53:50,645 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 17:53:50,648 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 17:53:50,649 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 17:53:50,651 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 17:53:50,652 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 17:53:50,653 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 17:53:50,656 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 17:53:50,656 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 17:53:50,656 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 17:53:50,657 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 17:53:50,658 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 17:53:50,659 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 17:53:50,659 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:53:50,660 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:53:50,661 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:53:50,662 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:53:50,663 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:53:50,664 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:53:50,664 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:53:50,665 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:53:50,665 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:53:50,666 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:53:50,667 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:53:50,667 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 17:53:50,683 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:53:50,684 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:53:50,685 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:53:50,686 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:53:50,686 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:53:50,689 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:53:50,689 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:53:50,690 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 17:53:50,690 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:53:50,690 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:53:50,690 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:53:50,690 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:53:50,691 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:53:50,691 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:53:50,691 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:53:50,691 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:53:50,691 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:53:50,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:53:50,692 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:53:50,692 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:53:50,693 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:53:50,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:53:50,694 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:53:50,695 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:53:50,695 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:53:50,695 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 17:53:50,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 17:53:50,696 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:53:50,696 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:53:50,696 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 -> 2e3b677629e69b083ff740542124e952dcae7545 [2020-07-28 17:53:50,984 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:53:50,997 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:53:51,000 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:53:51,002 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:53:51,002 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:53:51,003 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1092b.c [2020-07-28 17:53:51,060 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c14cade2e/0635f590b4434f83acba9833d1519b72/FLAG7014ced0b [2020-07-28 17:53:51,451 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:53:51,452 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1092b.c [2020-07-28 17:53:51,459 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c14cade2e/0635f590b4434f83acba9833d1519b72/FLAG7014ced0b [2020-07-28 17:53:51,914 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c14cade2e/0635f590b4434f83acba9833d1519b72 [2020-07-28 17:53:51,917 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:53:51,921 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:53:51,922 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:53:51,922 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:53:51,926 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:53:51,927 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:53:51" (1/1) ... [2020-07-28 17:53:51,931 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a41d157 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:51, skipping insertion in model container [2020-07-28 17:53:51,931 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:53:51" (1/1) ... [2020-07-28 17:53:51,940 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:53:51,966 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:53:52,155 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:53:52,162 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 17:53:52,229 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:53:52,338 INFO L208 MainTranslator]: Completed translation [2020-07-28 17:53:52,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:52 WrapperNode [2020-07-28 17:53:52,339 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 17:53:52,341 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 17:53:52,341 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 17:53:52,341 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 17:53:52,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:52" (1/1) ... [2020-07-28 17:53:52,373 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:52" (1/1) ... [2020-07-28 17:53:52,422 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 17:53:52,423 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 17:53:52,424 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 17:53:52,424 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 17:53:52,434 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:52" (1/1) ... [2020-07-28 17:53:52,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:52" (1/1) ... [2020-07-28 17:53:52,441 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:52" (1/1) ... [2020-07-28 17:53:52,441 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:52" (1/1) ... [2020-07-28 17:53:52,461 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:52" (1/1) ... [2020-07-28 17:53:52,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:52" (1/1) ... [2020-07-28 17:53:52,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:52" (1/1) ... [2020-07-28 17:53:52,470 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 17:53:52,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 17:53:52,471 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 17:53:52,471 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 17:53:52,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:53:52,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-28 17:53:52,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-28 17:53:52,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-28 17:53:52,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 17:53:52,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 17:53:52,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-28 17:53:52,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 17:53:52,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 17:53:53,040 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 17:53:53,040 INFO L295 CfgBuilder]: Removed 14 assume(true) statements. [2020-07-28 17:53:53,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:53:53 BoogieIcfgContainer [2020-07-28 17:53:53,043 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 17:53:53,045 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 17:53:53,045 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 17:53:53,048 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 17:53:53,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 05:53:51" (1/3) ... [2020-07-28 17:53:53,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@176f8348 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:53:53, skipping insertion in model container [2020-07-28 17:53:53,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:52" (2/3) ... [2020-07-28 17:53:53,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@176f8348 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:53:53, skipping insertion in model container [2020-07-28 17:53:53,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:53:53" (3/3) ... [2020-07-28 17:53:53,056 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1092b.c [2020-07-28 17:53:53,066 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 17:53:53,073 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 17:53:53,086 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 17:53:53,106 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 17:53:53,106 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 17:53:53,106 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 17:53:53,107 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 17:53:53,107 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 17:53:53,107 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 17:53:53,107 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 17:53:53,107 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 17:53:53,125 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2020-07-28 17:53:53,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-07-28 17:53:53,130 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:53:53,131 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:53:53,132 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:53:53,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:53:53,136 INFO L82 PathProgramCache]: Analyzing trace with hash -2022248449, now seen corresponding path program 1 times [2020-07-28 17:53:53,144 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 17:53:53,145 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093641288] [2020-07-28 17:53:53,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 17:53:53,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:53:53,276 INFO L280 TraceCheckUtils]: 0: Hoare triple {33#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~huge_ceil~0 := 1.0E30; {33#true} is VALID [2020-07-28 17:53:53,277 INFO L280 TraceCheckUtils]: 1: Hoare triple {33#true} havoc main_#res;havoc main_#t~ret6, main_#t~ret7, main_#t~short8, main_~x~0, main_~res~0;main_~x~0 := 0.0;ceil_float_#in~x := main_~x~0;havoc ceil_float_#res;havoc ceil_float_#t~mem0, ceil_float_#t~union1, ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, ceil_float_#t~mem2, ceil_float_#t~union3, ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset, ceil_float_~x, ceil_float_~i0~0, ceil_float_~j0~0, ceil_float_~i~0, ceil_float_~ix~0;ceil_float_~x := ceil_float_#in~x;havoc ceil_float_~i0~0;havoc ceil_float_~j0~0;havoc ceil_float_~i~0;havoc ceil_float_~ix~0; {33#true} is VALID [2020-07-28 17:53:53,279 INFO L280 TraceCheckUtils]: 2: Hoare triple {33#true} assume !true; {34#false} is VALID [2020-07-28 17:53:53,279 INFO L280 TraceCheckUtils]: 3: Hoare triple {34#false} ceil_float_~ix~0 := ~bitwiseAnd(ceil_float_~i0~0, 2147483647);ceil_float_~j0~0 := (if (ceil_float_~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (ceil_float_~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (ceil_float_~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); {34#false} is VALID [2020-07-28 17:53:53,279 INFO L280 TraceCheckUtils]: 4: Hoare triple {34#false} assume !(ceil_float_~j0~0 < 23); {34#false} is VALID [2020-07-28 17:53:53,280 INFO L280 TraceCheckUtils]: 5: Hoare triple {34#false} assume !!(ceil_float_~ix~0 % 4294967296 < 2139095040);ceil_float_#res := ceil_float_~x; {34#false} is VALID [2020-07-28 17:53:53,280 INFO L280 TraceCheckUtils]: 6: Hoare triple {34#false} main_#t~ret6 := ceil_float_#res;main_~res~0 := main_#t~ret6;havoc main_#t~ret6;main_#t~short8 := ~someBinaryFLOATComparisonOperation(main_~res~0, 0.0); {34#false} is VALID [2020-07-28 17:53:53,281 INFO L280 TraceCheckUtils]: 7: Hoare triple {34#false} assume !main_#t~short8; {34#false} is VALID [2020-07-28 17:53:53,281 INFO L280 TraceCheckUtils]: 8: Hoare triple {34#false} assume !main_#t~short8;havoc main_#t~short8;havoc main_#t~ret7; {34#false} is VALID [2020-07-28 17:53:53,281 INFO L280 TraceCheckUtils]: 9: Hoare triple {34#false} assume !false; {34#false} is VALID [2020-07-28 17:53:53,284 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 17:53:53,285 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093641288] [2020-07-28 17:53:53,286 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:53:53,286 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 17:53:53,287 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174182676] [2020-07-28 17:53:53,293 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-07-28 17:53:53,295 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:53:53,298 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 17:53:53,326 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:53:53,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 17:53:53,326 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 17:53:53,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 17:53:53,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:53:53,340 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2020-07-28 17:53:53,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:53:53,429 INFO L93 Difference]: Finished difference Result 58 states and 90 transitions. [2020-07-28 17:53:53,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 17:53:53,429 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-07-28 17:53:53,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:53:53,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:53:53,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 90 transitions. [2020-07-28 17:53:53,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:53:53,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 90 transitions. [2020-07-28 17:53:53,443 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 90 transitions. [2020-07-28 17:53:53,601 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 90 edges. 90 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:53:53,615 INFO L225 Difference]: With dead ends: 58 [2020-07-28 17:53:53,616 INFO L226 Difference]: Without dead ends: 27 [2020-07-28 17:53:53,620 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 17:53:53,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-07-28 17:53:53,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-07-28 17:53:53,711 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:53:53,712 INFO L82 GeneralOperation]: Start isEquivalent. First operand 27 states. Second operand 27 states. [2020-07-28 17:53:53,713 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand 27 states. [2020-07-28 17:53:53,713 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 27 states. [2020-07-28 17:53:53,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:53:53,717 INFO L93 Difference]: Finished difference Result 27 states and 36 transitions. [2020-07-28 17:53:53,717 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2020-07-28 17:53:53,717 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:53:53,718 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:53:53,718 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand 27 states. [2020-07-28 17:53:53,718 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 27 states. [2020-07-28 17:53:53,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:53:53,721 INFO L93 Difference]: Finished difference Result 27 states and 36 transitions. [2020-07-28 17:53:53,721 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2020-07-28 17:53:53,721 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:53:53,721 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:53:53,722 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:53:53,722 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:53:53,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-07-28 17:53:53,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 36 transitions. [2020-07-28 17:53:53,726 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 36 transitions. Word has length 10 [2020-07-28 17:53:53,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:53:53,727 INFO L479 AbstractCegarLoop]: Abstraction has 27 states and 36 transitions. [2020-07-28 17:53:53,727 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 17:53:53,727 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2020-07-28 17:53:53,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-28 17:53:53,728 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:53:53,728 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:53:53,729 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 17:53:53,729 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:53:53,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:53:53,730 INFO L82 PathProgramCache]: Analyzing trace with hash -62588350, now seen corresponding path program 1 times [2020-07-28 17:53:53,730 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 17:53:53,730 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297050547] [2020-07-28 17:53:53,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 17:53:53,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 17:53:53,824 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 17:53:53,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 17:53:53,869 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 17:53:53,914 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 17:53:53,915 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 17:53:53,922 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 17:53:53,970 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 17:53:53,970 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 17:53:53,971 WARN L170 areAnnotationChecker]: L16-2 has no Hoare annotation [2020-07-28 17:53:53,971 WARN L170 areAnnotationChecker]: L16-2 has no Hoare annotation [2020-07-28 17:53:53,971 WARN L170 areAnnotationChecker]: L16-1 has no Hoare annotation [2020-07-28 17:53:53,972 WARN L170 areAnnotationChecker]: L16-1 has no Hoare annotation [2020-07-28 17:53:53,972 WARN L170 areAnnotationChecker]: L16-3 has no Hoare annotation [2020-07-28 17:53:53,972 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-28 17:53:53,973 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-28 17:53:53,973 WARN L170 areAnnotationChecker]: L24 has no Hoare annotation [2020-07-28 17:53:53,973 WARN L170 areAnnotationChecker]: L24 has no Hoare annotation [2020-07-28 17:53:53,973 WARN L170 areAnnotationChecker]: L43 has no Hoare annotation [2020-07-28 17:53:53,983 WARN L170 areAnnotationChecker]: L43 has no Hoare annotation [2020-07-28 17:53:53,983 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-28 17:53:53,984 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-28 17:53:53,984 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-28 17:53:53,985 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-28 17:53:53,985 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-28 17:53:53,985 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-28 17:53:53,985 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-28 17:53:53,986 WARN L170 areAnnotationChecker]: L48-1 has no Hoare annotation [2020-07-28 17:53:53,986 WARN L170 areAnnotationChecker]: L48-1 has no Hoare annotation [2020-07-28 17:53:53,986 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2020-07-28 17:53:53,986 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2020-07-28 17:53:53,986 WARN L170 areAnnotationChecker]: L80 has no Hoare annotation [2020-07-28 17:53:53,987 WARN L170 areAnnotationChecker]: L80 has no Hoare annotation [2020-07-28 17:53:53,987 WARN L170 areAnnotationChecker]: L28 has no Hoare annotation [2020-07-28 17:53:53,987 WARN L170 areAnnotationChecker]: L28 has no Hoare annotation [2020-07-28 17:53:53,987 WARN L170 areAnnotationChecker]: L48 has no Hoare annotation [2020-07-28 17:53:53,987 WARN L170 areAnnotationChecker]: L48 has no Hoare annotation [2020-07-28 17:53:53,988 WARN L170 areAnnotationChecker]: L48-2 has no Hoare annotation [2020-07-28 17:53:53,988 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2020-07-28 17:53:53,988 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2020-07-28 17:53:53,988 WARN L170 areAnnotationChecker]: L59-2 has no Hoare annotation [2020-07-28 17:53:53,989 WARN L170 areAnnotationChecker]: L59-2 has no Hoare annotation [2020-07-28 17:53:53,989 WARN L170 areAnnotationChecker]: L80-2 has no Hoare annotation [2020-07-28 17:53:53,990 WARN L170 areAnnotationChecker]: L80-2 has no Hoare annotation [2020-07-28 17:53:53,990 WARN L170 areAnnotationChecker]: L37-2 has no Hoare annotation [2020-07-28 17:53:53,991 WARN L170 areAnnotationChecker]: L59-1 has no Hoare annotation [2020-07-28 17:53:53,991 WARN L170 areAnnotationChecker]: L59-1 has no Hoare annotation [2020-07-28 17:53:53,991 WARN L170 areAnnotationChecker]: L59-3 has no Hoare annotation [2020-07-28 17:53:53,991 WARN L170 areAnnotationChecker]: L81 has no Hoare annotation [2020-07-28 17:53:53,992 WARN L170 areAnnotationChecker]: L81 has no Hoare annotation [2020-07-28 17:53:53,992 WARN L170 areAnnotationChecker]: L85 has no Hoare annotation [2020-07-28 17:53:53,992 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-28 17:53:53,992 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:53:53,993 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 17:53:53,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 05:53:53 BoogieIcfgContainer [2020-07-28 17:53:53,999 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 17:53:54,000 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 17:53:54,000 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 17:53:54,001 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 17:53:54,001 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:53:53" (3/4) ... [2020-07-28 17:53:54,005 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-28 17:53:54,006 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 17:53:54,009 INFO L168 Benchmark]: Toolchain (without parser) took 2089.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 952.2 MB in the beginning and 1.0 GB in the end (delta: -86.5 MB). Peak memory consumption was 57.1 MB. Max. memory is 11.5 GB. [2020-07-28 17:53:54,010 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 17:53:54,011 INFO L168 Benchmark]: CACSL2BoogieTranslator took 417.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -187.6 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2020-07-28 17:53:54,015 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.07 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2020-07-28 17:53:54,015 INFO L168 Benchmark]: Boogie Preprocessor took 47.22 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 17:53:54,016 INFO L168 Benchmark]: RCFGBuilder took 573.10 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: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. [2020-07-28 17:53:54,018 INFO L168 Benchmark]: TraceAbstraction took 955.01 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: 61.0 MB). Peak memory consumption was 61.0 MB. Max. memory is 11.5 GB. [2020-07-28 17:53:54,019 INFO L168 Benchmark]: Witness Printer took 5.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:53:54,034 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 417.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -187.6 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 82.07 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.22 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 573.10 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: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 955.01 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: 61.0 MB). Peak memory consumption was 61.0 MB. Max. memory is 11.5 GB. * Witness Printer took 5.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 81]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 80, overapproximation of bitwiseAnd at line 21. Possible FailurePath: [L11] static const float huge_ceil = 1.0e30; VAL [huge_ceil=1000000000000000000000000000000] [L76] float x = 0.0f; [L14] __int32_t i0, j0; [L15] __uint32_t i, ix; VAL [huge_ceil=1000000000000000000000000000000] [L17] ieee_float_shape_type gf_u; [L18] gf_u.value = (x) [L19] EXPR gf_u.word [L19] (i0) = gf_u.word [L21] ix = (i0 & 0x7fffffff) [L22] j0 = (ix >> 23) - 0x7f VAL [huge_ceil=1000000000000000000000000000000] [L23] COND FALSE !(j0 < 23) VAL [huge_ceil=1000000000000000000000000000000] [L43] COND FALSE !(!((ix) < 0x7f800000L)) [L46] return x; VAL [huge_ceil=1000000000000000000000000000000] [L77] float res = ceil_float(x); [L80] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [huge_ceil=1000000000000000000000000000000] [L80] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L81] __VERIFIER_error() VAL [huge_ceil=1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 39 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 17:53:55,855 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 17:53:55,857 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 17:53:55,878 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 17:53:55,879 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 17:53:55,881 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 17:53:55,884 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 17:53:55,894 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 17:53:55,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 17:53:55,898 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 17:53:55,900 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 17:53:55,901 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 17:53:55,902 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 17:53:55,905 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 17:53:55,906 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 17:53:55,908 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 17:53:55,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 17:53:55,914 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 17:53:55,916 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 17:53:55,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 17:53:55,922 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 17:53:55,925 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 17:53:55,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 17:53:55,929 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 17:53:55,933 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 17:53:55,934 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 17:53:55,934 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 17:53:55,936 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 17:53:55,937 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 17:53:55,938 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 17:53:55,938 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:53:55,939 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:53:55,941 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:53:55,941 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:53:55,943 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:53:55,943 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:53:55,944 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:53:55,944 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:53:55,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:53:55,945 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:53:55,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:53:55,947 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-07-28 17:53:55,986 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:53:55,987 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:53:55,990 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:53:55,991 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:53:55,991 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:53:55,991 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:53:55,991 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:53:55,992 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:53:55,992 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:53:55,992 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:53:55,993 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:53:55,994 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:53:55,994 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-07-28 17:53:55,994 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-07-28 17:53:55,995 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:53:55,995 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:53:55,995 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:53:55,995 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:53:55,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:53:55,996 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:53:55,996 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:53:55,997 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:53:55,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:53:55,998 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:53:55,998 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:53:55,998 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:53:55,998 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-07-28 17:53:55,999 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-07-28 17:53:55,999 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:53:55,999 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:53:55,999 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-28 17:53:56,000 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 -> 2e3b677629e69b083ff740542124e952dcae7545 [2020-07-28 17:53:56,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:53:56,350 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:53:56,354 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:53:56,356 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:53:56,357 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:53:56,358 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1092b.c [2020-07-28 17:53:56,433 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed15df874/93c9d4f229044f09a074d9b77af36ddd/FLAGcd8664bfa [2020-07-28 17:53:56,897 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:53:56,897 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1092b.c [2020-07-28 17:53:56,905 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed15df874/93c9d4f229044f09a074d9b77af36ddd/FLAGcd8664bfa [2020-07-28 17:53:57,389 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed15df874/93c9d4f229044f09a074d9b77af36ddd [2020-07-28 17:53:57,395 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:53:57,400 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:53:57,402 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:53:57,403 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:53:57,407 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:53:57,408 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:53:57" (1/1) ... [2020-07-28 17:53:57,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2677de61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:57, skipping insertion in model container [2020-07-28 17:53:57,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:53:57" (1/1) ... [2020-07-28 17:53:57,418 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:53:57,440 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:53:57,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:53:57,635 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 17:53:57,668 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:53:57,759 INFO L208 MainTranslator]: Completed translation [2020-07-28 17:53:57,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:57 WrapperNode [2020-07-28 17:53:57,760 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 17:53:57,762 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 17:53:57,762 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 17:53:57,764 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 17:53:57,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:57" (1/1) ... [2020-07-28 17:53:57,794 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:57" (1/1) ... [2020-07-28 17:53:57,823 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 17:53:57,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 17:53:57,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 17:53:57,824 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 17:53:57,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:57" (1/1) ... [2020-07-28 17:53:57,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:57" (1/1) ... [2020-07-28 17:53:57,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:57" (1/1) ... [2020-07-28 17:53:57,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:57" (1/1) ... [2020-07-28 17:53:57,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:57" (1/1) ... [2020-07-28 17:53:57,855 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:57" (1/1) ... [2020-07-28 17:53:57,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:57" (1/1) ... [2020-07-28 17:53:57,861 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 17:53:57,862 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 17:53:57,862 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 17:53:57,862 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 17:53:57,863 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:57" (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 17:53:57,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 17:53:57,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-07-28 17:53:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-07-28 17:53:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 17:53:57,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 17:53:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-07-28 17:53:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-07-28 17:53:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 17:53:58,626 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 17:53:58,626 INFO L295 CfgBuilder]: Removed 14 assume(true) statements. [2020-07-28 17:53:58,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:53:58 BoogieIcfgContainer [2020-07-28 17:53:58,631 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 17:53:58,632 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 17:53:58,632 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 17:53:58,635 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 17:53:58,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 05:53:57" (1/3) ... [2020-07-28 17:53:58,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d5db526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:53:58, skipping insertion in model container [2020-07-28 17:53:58,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:53:57" (2/3) ... [2020-07-28 17:53:58,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d5db526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:53:58, skipping insertion in model container [2020-07-28 17:53:58,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:53:58" (3/3) ... [2020-07-28 17:53:58,639 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1092b.c [2020-07-28 17:53:58,650 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 17:53:58,658 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 17:53:58,672 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 17:53:58,695 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 17:53:58,696 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 17:53:58,696 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 17:53:58,696 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 17:53:58,697 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 17:53:58,697 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 17:53:58,697 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 17:53:58,697 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 17:53:58,712 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2020-07-28 17:53:58,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-07-28 17:53:58,719 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:53:58,720 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:53:58,721 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:53:58,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:53:58,728 INFO L82 PathProgramCache]: Analyzing trace with hash -2022248449, now seen corresponding path program 1 times [2020-07-28 17:53:58,741 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:53:58,742 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1515666737] [2020-07-28 17:53:58,742 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 17:53:58,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:53:58,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-28 17:53:58,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:53:58,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:53:58,897 INFO L280 TraceCheckUtils]: 0: Hoare triple {33#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~huge_ceil~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30)); {33#true} is VALID [2020-07-28 17:53:58,898 INFO L280 TraceCheckUtils]: 1: Hoare triple {33#true} havoc main_#res;havoc main_#t~ret6, main_#t~ret7, main_#t~short8, main_~x~0, main_~res~0;main_~x~0 := ~Pluszero~FLOAT();ceil_float_#in~x := main_~x~0;havoc ceil_float_#res;havoc ceil_float_#t~mem0, ceil_float_#t~union1, ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, ceil_float_#t~mem2, ceil_float_#t~union3, ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset, ceil_float_~x, ceil_float_~i0~0, ceil_float_~j0~0, ceil_float_~i~0, ceil_float_~ix~0;ceil_float_~x := ceil_float_#in~x;havoc ceil_float_~i0~0;havoc ceil_float_~j0~0;havoc ceil_float_~i~0;havoc ceil_float_~ix~0; {33#true} is VALID [2020-07-28 17:53:58,899 INFO L280 TraceCheckUtils]: 2: Hoare triple {33#true} assume !true; {34#false} is VALID [2020-07-28 17:53:58,900 INFO L280 TraceCheckUtils]: 3: Hoare triple {34#false} ceil_float_~ix~0 := ~bvand32(2147483647bv32, ceil_float_~i0~0);ceil_float_~j0~0 := ~bvsub32(~bvlshr32(ceil_float_~ix~0, 23bv32), 127bv32); {34#false} is VALID [2020-07-28 17:53:58,900 INFO L280 TraceCheckUtils]: 4: Hoare triple {34#false} assume !~bvslt32(ceil_float_~j0~0, 23bv32); {34#false} is VALID [2020-07-28 17:53:58,901 INFO L280 TraceCheckUtils]: 5: Hoare triple {34#false} assume !!~bvult32(ceil_float_~ix~0, 2139095040bv32);ceil_float_#res := ceil_float_~x; {34#false} is VALID [2020-07-28 17:53:58,901 INFO L280 TraceCheckUtils]: 6: Hoare triple {34#false} main_#t~ret6 := ceil_float_#res;main_~res~0 := main_#t~ret6;havoc main_#t~ret6;main_#t~short8 := ~fp.eq~FLOAT(main_~res~0, ~Pluszero~FLOAT()); {34#false} is VALID [2020-07-28 17:53:58,901 INFO L280 TraceCheckUtils]: 7: Hoare triple {34#false} assume !main_#t~short8; {34#false} is VALID [2020-07-28 17:53:58,902 INFO L280 TraceCheckUtils]: 8: Hoare triple {34#false} assume !main_#t~short8;havoc main_#t~ret7;havoc main_#t~short8; {34#false} is VALID [2020-07-28 17:53:58,902 INFO L280 TraceCheckUtils]: 9: Hoare triple {34#false} assume !false; {34#false} is VALID [2020-07-28 17:53:58,905 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 17:53:58,905 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:53:58,919 INFO L280 TraceCheckUtils]: 9: Hoare triple {34#false} assume !false; {34#false} is VALID [2020-07-28 17:53:58,920 INFO L280 TraceCheckUtils]: 8: Hoare triple {34#false} assume !main_#t~short8;havoc main_#t~ret7;havoc main_#t~short8; {34#false} is VALID [2020-07-28 17:53:58,920 INFO L280 TraceCheckUtils]: 7: Hoare triple {34#false} assume !main_#t~short8; {34#false} is VALID [2020-07-28 17:53:58,921 INFO L280 TraceCheckUtils]: 6: Hoare triple {34#false} main_#t~ret6 := ceil_float_#res;main_~res~0 := main_#t~ret6;havoc main_#t~ret6;main_#t~short8 := ~fp.eq~FLOAT(main_~res~0, ~Pluszero~FLOAT()); {34#false} is VALID [2020-07-28 17:53:58,921 INFO L280 TraceCheckUtils]: 5: Hoare triple {34#false} assume !!~bvult32(ceil_float_~ix~0, 2139095040bv32);ceil_float_#res := ceil_float_~x; {34#false} is VALID [2020-07-28 17:53:58,922 INFO L280 TraceCheckUtils]: 4: Hoare triple {34#false} assume !~bvslt32(ceil_float_~j0~0, 23bv32); {34#false} is VALID [2020-07-28 17:53:58,922 INFO L280 TraceCheckUtils]: 3: Hoare triple {34#false} ceil_float_~ix~0 := ~bvand32(2147483647bv32, ceil_float_~i0~0);ceil_float_~j0~0 := ~bvsub32(~bvlshr32(ceil_float_~ix~0, 23bv32), 127bv32); {34#false} is VALID [2020-07-28 17:53:58,925 INFO L280 TraceCheckUtils]: 2: Hoare triple {33#true} assume !true; {34#false} is VALID [2020-07-28 17:53:58,925 INFO L280 TraceCheckUtils]: 1: Hoare triple {33#true} havoc main_#res;havoc main_#t~ret6, main_#t~ret7, main_#t~short8, main_~x~0, main_~res~0;main_~x~0 := ~Pluszero~FLOAT();ceil_float_#in~x := main_~x~0;havoc ceil_float_#res;havoc ceil_float_#t~mem0, ceil_float_#t~union1, ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, ceil_float_#t~mem2, ceil_float_#t~union3, ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset, ceil_float_~x, ceil_float_~i0~0, ceil_float_~j0~0, ceil_float_~i~0, ceil_float_~ix~0;ceil_float_~x := ceil_float_#in~x;havoc ceil_float_~i0~0;havoc ceil_float_~j0~0;havoc ceil_float_~i~0;havoc ceil_float_~ix~0; {33#true} is VALID [2020-07-28 17:53:58,925 INFO L280 TraceCheckUtils]: 0: Hoare triple {33#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~huge_ceil~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30)); {33#true} is VALID [2020-07-28 17:53:58,926 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 17:53:58,927 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1515666737] [2020-07-28 17:53:58,928 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:53:58,928 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-07-28 17:53:58,929 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980305189] [2020-07-28 17:53:58,934 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-07-28 17:53:58,935 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:53:58,939 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 17:53:58,965 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:53:58,965 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 17:53:58,965 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:53:58,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 17:53:58,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:53:58,977 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2020-07-28 17:53:59,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:53:59,307 INFO L93 Difference]: Finished difference Result 58 states and 90 transitions. [2020-07-28 17:53:59,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 17:53:59,308 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-07-28 17:53:59,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:53:59,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:53:59,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 90 transitions. [2020-07-28 17:53:59,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:53:59,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 90 transitions. [2020-07-28 17:53:59,321 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 90 transitions. [2020-07-28 17:53:59,617 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 90 edges. 90 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:53:59,633 INFO L225 Difference]: With dead ends: 58 [2020-07-28 17:53:59,634 INFO L226 Difference]: Without dead ends: 27 [2020-07-28 17:53:59,638 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:53:59,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-07-28 17:53:59,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-07-28 17:53:59,670 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:53:59,671 INFO L82 GeneralOperation]: Start isEquivalent. First operand 27 states. Second operand 27 states. [2020-07-28 17:53:59,672 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand 27 states. [2020-07-28 17:53:59,672 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 27 states. [2020-07-28 17:53:59,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:53:59,676 INFO L93 Difference]: Finished difference Result 27 states and 36 transitions. [2020-07-28 17:53:59,677 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2020-07-28 17:53:59,677 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:53:59,678 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:53:59,678 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand 27 states. [2020-07-28 17:53:59,678 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 27 states. [2020-07-28 17:53:59,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:53:59,682 INFO L93 Difference]: Finished difference Result 27 states and 36 transitions. [2020-07-28 17:53:59,683 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2020-07-28 17:53:59,683 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:53:59,684 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:53:59,684 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:53:59,684 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:53:59,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-07-28 17:53:59,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 36 transitions. [2020-07-28 17:53:59,689 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 36 transitions. Word has length 10 [2020-07-28 17:53:59,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:53:59,690 INFO L479 AbstractCegarLoop]: Abstraction has 27 states and 36 transitions. [2020-07-28 17:53:59,690 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 17:53:59,690 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2020-07-28 17:53:59,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-28 17:53:59,691 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:53:59,692 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:53:59,914 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-07-28 17:53:59,915 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:53:59,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:53:59,916 INFO L82 PathProgramCache]: Analyzing trace with hash -62588350, now seen corresponding path program 1 times [2020-07-28 17:53:59,917 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:53:59,917 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1784283903] [2020-07-28 17:53:59,918 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 17:54:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:54:00,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-28 17:54:00,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:54:00,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:54:00,144 INFO L280 TraceCheckUtils]: 0: Hoare triple {244#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~huge_ceil~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30)); {244#true} is VALID [2020-07-28 17:54:00,145 INFO L280 TraceCheckUtils]: 1: Hoare triple {244#true} havoc main_#res;havoc main_#t~ret6, main_#t~ret7, main_#t~short8, main_~x~0, main_~res~0;main_~x~0 := ~Pluszero~FLOAT();ceil_float_#in~x := main_~x~0;havoc ceil_float_#res;havoc ceil_float_#t~mem0, ceil_float_#t~union1, ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, ceil_float_#t~mem2, ceil_float_#t~union3, ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset, ceil_float_~x, ceil_float_~i0~0, ceil_float_~j0~0, ceil_float_~i~0, ceil_float_~ix~0;ceil_float_~x := ceil_float_#in~x;havoc ceil_float_~i0~0;havoc ceil_float_~j0~0;havoc ceil_float_~i~0;havoc ceil_float_~ix~0; {252#(= ULTIMATE.start_ceil_float_~x (_ +zero 8 24))} is VALID [2020-07-28 17:54:00,148 INFO L280 TraceCheckUtils]: 2: Hoare triple {252#(= ULTIMATE.start_ceil_float_~x (_ +zero 8 24))} call ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(ceil_float_~x, ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, 4bv32);call ceil_float_#t~mem0 := read~intINTTYPE4(ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, 4bv32);ceil_float_~i0~0 := ceil_float_#t~mem0;call write~intFLOATTYPE4(ceil_float_#t~union1, ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, 4bv32);havoc ceil_float_#t~union1;havoc ceil_float_#t~mem0;call ULTIMATE.dealloc(ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset);havoc ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset; {256#(= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} is VALID [2020-07-28 17:54:00,149 INFO L280 TraceCheckUtils]: 3: Hoare triple {256#(= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} goto; {256#(= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} is VALID [2020-07-28 17:54:00,152 INFO L280 TraceCheckUtils]: 4: Hoare triple {256#(= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} ceil_float_~ix~0 := ~bvand32(2147483647bv32, ceil_float_~i0~0);ceil_float_~j0~0 := ~bvsub32(~bvlshr32(ceil_float_~ix~0, 23bv32), 127bv32); {263#(exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= (bvadd (bvlshr (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_ceil_float_~j0~0) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))))} is VALID [2020-07-28 17:54:00,157 INFO L280 TraceCheckUtils]: 5: Hoare triple {263#(exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= (bvadd (bvlshr (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_ceil_float_~j0~0) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))))} assume !~bvslt32(ceil_float_~j0~0, 23bv32); {245#false} is VALID [2020-07-28 17:54:00,158 INFO L280 TraceCheckUtils]: 6: Hoare triple {245#false} assume !!~bvult32(ceil_float_~ix~0, 2139095040bv32);ceil_float_#res := ceil_float_~x; {245#false} is VALID [2020-07-28 17:54:00,158 INFO L280 TraceCheckUtils]: 7: Hoare triple {245#false} main_#t~ret6 := ceil_float_#res;main_~res~0 := main_#t~ret6;havoc main_#t~ret6;main_#t~short8 := ~fp.eq~FLOAT(main_~res~0, ~Pluszero~FLOAT()); {245#false} is VALID [2020-07-28 17:54:00,159 INFO L280 TraceCheckUtils]: 8: Hoare triple {245#false} assume !main_#t~short8; {245#false} is VALID [2020-07-28 17:54:00,159 INFO L280 TraceCheckUtils]: 9: Hoare triple {245#false} assume !main_#t~short8;havoc main_#t~ret7;havoc main_#t~short8; {245#false} is VALID [2020-07-28 17:54:00,160 INFO L280 TraceCheckUtils]: 10: Hoare triple {245#false} assume !false; {245#false} is VALID [2020-07-28 17:54:00,162 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 17:54:00,162 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:54:00,294 INFO L280 TraceCheckUtils]: 10: Hoare triple {245#false} assume !false; {245#false} is VALID [2020-07-28 17:54:00,294 INFO L280 TraceCheckUtils]: 9: Hoare triple {245#false} assume !main_#t~short8;havoc main_#t~ret7;havoc main_#t~short8; {245#false} is VALID [2020-07-28 17:54:00,295 INFO L280 TraceCheckUtils]: 8: Hoare triple {245#false} assume !main_#t~short8; {245#false} is VALID [2020-07-28 17:54:00,295 INFO L280 TraceCheckUtils]: 7: Hoare triple {245#false} main_#t~ret6 := ceil_float_#res;main_~res~0 := main_#t~ret6;havoc main_#t~ret6;main_#t~short8 := ~fp.eq~FLOAT(main_~res~0, ~Pluszero~FLOAT()); {245#false} is VALID [2020-07-28 17:54:00,295 INFO L280 TraceCheckUtils]: 6: Hoare triple {245#false} assume !!~bvult32(ceil_float_~ix~0, 2139095040bv32);ceil_float_#res := ceil_float_~x; {245#false} is VALID [2020-07-28 17:54:00,297 INFO L280 TraceCheckUtils]: 5: Hoare triple {297#(bvslt ULTIMATE.start_ceil_float_~j0~0 (_ bv23 32))} assume !~bvslt32(ceil_float_~j0~0, 23bv32); {245#false} is VALID [2020-07-28 17:54:00,300 INFO L280 TraceCheckUtils]: 4: Hoare triple {301#(bvslt (bvadd (bvlshr (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) (_ bv23 32)) (_ bv4294967169 32)) (_ bv23 32))} ceil_float_~ix~0 := ~bvand32(2147483647bv32, ceil_float_~i0~0);ceil_float_~j0~0 := ~bvsub32(~bvlshr32(ceil_float_~ix~0, 23bv32), 127bv32); {297#(bvslt ULTIMATE.start_ceil_float_~j0~0 (_ bv23 32))} is VALID [2020-07-28 17:54:00,301 INFO L280 TraceCheckUtils]: 3: Hoare triple {301#(bvslt (bvadd (bvlshr (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) (_ bv23 32)) (_ bv4294967169 32)) (_ bv23 32))} goto; {301#(bvslt (bvadd (bvlshr (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) (_ bv23 32)) (_ bv4294967169 32)) (_ bv23 32))} is VALID [2020-07-28 17:54:00,307 INFO L280 TraceCheckUtils]: 2: Hoare triple {308#(forall ((v_ULTIMATE.start_ceil_float_~i0~0_17 (_ BitVec 32))) (or (bvslt (bvadd (bvlshr (bvand (_ bv2147483647 32) v_ULTIMATE.start_ceil_float_~i0~0_17) (_ bv23 32)) (_ bv4294967169 32)) (_ bv23 32)) (not (= ULTIMATE.start_ceil_float_~x (fp ((_ extract 31 31) v_ULTIMATE.start_ceil_float_~i0~0_17) ((_ extract 30 23) v_ULTIMATE.start_ceil_float_~i0~0_17) ((_ extract 22 0) v_ULTIMATE.start_ceil_float_~i0~0_17))))))} call ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(ceil_float_~x, ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, 4bv32);call ceil_float_#t~mem0 := read~intINTTYPE4(ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, 4bv32);ceil_float_~i0~0 := ceil_float_#t~mem0;call write~intFLOATTYPE4(ceil_float_#t~union1, ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, 4bv32);havoc ceil_float_#t~union1;havoc ceil_float_#t~mem0;call ULTIMATE.dealloc(ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset);havoc ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset; {301#(bvslt (bvadd (bvlshr (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) (_ bv23 32)) (_ bv4294967169 32)) (_ bv23 32))} is VALID [2020-07-28 17:54:00,310 INFO L280 TraceCheckUtils]: 1: Hoare triple {244#true} havoc main_#res;havoc main_#t~ret6, main_#t~ret7, main_#t~short8, main_~x~0, main_~res~0;main_~x~0 := ~Pluszero~FLOAT();ceil_float_#in~x := main_~x~0;havoc ceil_float_#res;havoc ceil_float_#t~mem0, ceil_float_#t~union1, ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, ceil_float_#t~mem2, ceil_float_#t~union3, ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset, ceil_float_~x, ceil_float_~i0~0, ceil_float_~j0~0, ceil_float_~i~0, ceil_float_~ix~0;ceil_float_~x := ceil_float_#in~x;havoc ceil_float_~i0~0;havoc ceil_float_~j0~0;havoc ceil_float_~i~0;havoc ceil_float_~ix~0; {308#(forall ((v_ULTIMATE.start_ceil_float_~i0~0_17 (_ BitVec 32))) (or (bvslt (bvadd (bvlshr (bvand (_ bv2147483647 32) v_ULTIMATE.start_ceil_float_~i0~0_17) (_ bv23 32)) (_ bv4294967169 32)) (_ bv23 32)) (not (= ULTIMATE.start_ceil_float_~x (fp ((_ extract 31 31) v_ULTIMATE.start_ceil_float_~i0~0_17) ((_ extract 30 23) v_ULTIMATE.start_ceil_float_~i0~0_17) ((_ extract 22 0) v_ULTIMATE.start_ceil_float_~i0~0_17))))))} is VALID [2020-07-28 17:54:00,311 INFO L280 TraceCheckUtils]: 0: Hoare triple {244#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~huge_ceil~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30)); {244#true} is VALID [2020-07-28 17:54:00,312 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 17:54:00,312 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1784283903] [2020-07-28 17:54:00,313 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:54:00,313 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-07-28 17:54:00,313 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870924621] [2020-07-28 17:54:00,315 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2020-07-28 17:54:00,316 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:54:00,316 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-28 17:54:00,351 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:54:00,352 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-28 17:54:00,352 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:54:00,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-28 17:54:00,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-28 17:54:00,353 INFO L87 Difference]: Start difference. First operand 27 states and 36 transitions. Second operand 8 states. [2020-07-28 17:54:01,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:54:01,089 INFO L93 Difference]: Finished difference Result 51 states and 60 transitions. [2020-07-28 17:54:01,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 17:54:01,090 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2020-07-28 17:54:01,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:54:01,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-28 17:54:01,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 60 transitions. [2020-07-28 17:54:01,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-28 17:54:01,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 60 transitions. [2020-07-28 17:54:01,095 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 60 transitions. [2020-07-28 17:54:01,351 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 60 edges. 60 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:54:01,354 INFO L225 Difference]: With dead ends: 51 [2020-07-28 17:54:01,354 INFO L226 Difference]: Without dead ends: 34 [2020-07-28 17:54:01,355 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-07-28 17:54:01,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-07-28 17:54:01,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 22. [2020-07-28 17:54:01,373 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:54:01,373 INFO L82 GeneralOperation]: Start isEquivalent. First operand 34 states. Second operand 22 states. [2020-07-28 17:54:01,373 INFO L74 IsIncluded]: Start isIncluded. First operand 34 states. Second operand 22 states. [2020-07-28 17:54:01,373 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 22 states. [2020-07-28 17:54:01,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:54:01,377 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2020-07-28 17:54:01,377 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2020-07-28 17:54:01,378 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:54:01,378 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:54:01,378 INFO L74 IsIncluded]: Start isIncluded. First operand 22 states. Second operand 34 states. [2020-07-28 17:54:01,379 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 34 states. [2020-07-28 17:54:01,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:54:01,381 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2020-07-28 17:54:01,381 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2020-07-28 17:54:01,382 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:54:01,382 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:54:01,383 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:54:01,383 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:54:01,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-07-28 17:54:01,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2020-07-28 17:54:01,385 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 11 [2020-07-28 17:54:01,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:54:01,385 INFO L479 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2020-07-28 17:54:01,386 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-28 17:54:01,386 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2020-07-28 17:54:01,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-07-28 17:54:01,387 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:54:01,387 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:54:01,599 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-07-28 17:54:01,600 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:54:01,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:54:01,602 INFO L82 PathProgramCache]: Analyzing trace with hash 1612307429, now seen corresponding path program 1 times [2020-07-28 17:54:01,603 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:54:01,603 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1544949715] [2020-07-28 17:54:01,603 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 17:54:01,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:54:01,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-28 17:54:01,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:54:01,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:54:01,795 INFO L280 TraceCheckUtils]: 0: Hoare triple {477#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~huge_ceil~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30)); {482#(and (= currentRoundingMode roundNearestTiesToEven) (= ~huge_ceil~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0))))} is VALID [2020-07-28 17:54:01,797 INFO L280 TraceCheckUtils]: 1: Hoare triple {482#(and (= currentRoundingMode roundNearestTiesToEven) (= ~huge_ceil~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0))))} havoc main_#res;havoc main_#t~ret6, main_#t~ret7, main_#t~short8, main_~x~0, main_~res~0;main_~x~0 := ~Pluszero~FLOAT();ceil_float_#in~x := main_~x~0;havoc ceil_float_#res;havoc ceil_float_#t~mem0, ceil_float_#t~union1, ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, ceil_float_#t~mem2, ceil_float_#t~union3, ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset, ceil_float_~x, ceil_float_~i0~0, ceil_float_~j0~0, ceil_float_~i~0, ceil_float_~ix~0;ceil_float_~x := ceil_float_#in~x;havoc ceil_float_~i0~0;havoc ceil_float_~j0~0;havoc ceil_float_~i~0;havoc ceil_float_~ix~0; {486#(and (= ULTIMATE.start_ceil_float_~x (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven) (= ~huge_ceil~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0))))} is VALID [2020-07-28 17:54:01,798 INFO L280 TraceCheckUtils]: 2: Hoare triple {486#(and (= ULTIMATE.start_ceil_float_~x (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven) (= ~huge_ceil~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0))))} call ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(ceil_float_~x, ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, 4bv32);call ceil_float_#t~mem0 := read~intINTTYPE4(ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, 4bv32);ceil_float_~i0~0 := ceil_float_#t~mem0;call write~intFLOATTYPE4(ceil_float_#t~union1, ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, 4bv32);havoc ceil_float_#t~union1;havoc ceil_float_#t~mem0;call ULTIMATE.dealloc(ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset);havoc ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset; {486#(and (= ULTIMATE.start_ceil_float_~x (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven) (= ~huge_ceil~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0))))} is VALID [2020-07-28 17:54:01,798 INFO L280 TraceCheckUtils]: 3: Hoare triple {486#(and (= ULTIMATE.start_ceil_float_~x (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven) (= ~huge_ceil~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0))))} goto; {486#(and (= ULTIMATE.start_ceil_float_~x (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven) (= ~huge_ceil~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0))))} is VALID [2020-07-28 17:54:01,800 INFO L280 TraceCheckUtils]: 4: Hoare triple {486#(and (= ULTIMATE.start_ceil_float_~x (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven) (= ~huge_ceil~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0))))} ceil_float_~ix~0 := ~bvand32(2147483647bv32, ceil_float_~i0~0);ceil_float_~j0~0 := ~bvsub32(~bvlshr32(ceil_float_~ix~0, 23bv32), 127bv32); {486#(and (= ULTIMATE.start_ceil_float_~x (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven) (= ~huge_ceil~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0))))} is VALID [2020-07-28 17:54:01,801 INFO L280 TraceCheckUtils]: 5: Hoare triple {486#(and (= ULTIMATE.start_ceil_float_~x (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven) (= ~huge_ceil~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0))))} assume ~bvslt32(ceil_float_~j0~0, 23bv32); {486#(and (= ULTIMATE.start_ceil_float_~x (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven) (= ~huge_ceil~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0))))} is VALID [2020-07-28 17:54:01,802 INFO L280 TraceCheckUtils]: 6: Hoare triple {486#(and (= ULTIMATE.start_ceil_float_~x (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven) (= ~huge_ceil~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0))))} assume ~bvslt32(ceil_float_~j0~0, 0bv32); {486#(and (= ULTIMATE.start_ceil_float_~x (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven) (= ~huge_ceil~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0))))} is VALID [2020-07-28 17:54:01,803 INFO L280 TraceCheckUtils]: 7: Hoare triple {486#(and (= ULTIMATE.start_ceil_float_~x (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven) (= ~huge_ceil~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0))))} assume !~fp.gt~FLOAT(~fp.add~FLOAT(currentRoundingMode, ~huge_ceil~0, ceil_float_~x), ~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE())); {478#false} is VALID [2020-07-28 17:54:01,803 INFO L280 TraceCheckUtils]: 8: Hoare triple {478#false} call ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset := #Ultimate.allocOnStack(4bv32);call write~intINTTYPE4(ceil_float_~i0~0, ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset, 4bv32);call ceil_float_#t~mem2 := read~intFLOATTYPE4(ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset, 4bv32);ceil_float_~x := ceil_float_#t~mem2;call write~intINTTYPE4(ceil_float_#t~union3, ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset, 4bv32);havoc ceil_float_#t~mem2;havoc ceil_float_#t~union3;call ULTIMATE.dealloc(ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset);havoc ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset; {478#false} is VALID [2020-07-28 17:54:01,804 INFO L280 TraceCheckUtils]: 9: Hoare triple {478#false} goto; {478#false} is VALID [2020-07-28 17:54:01,804 INFO L280 TraceCheckUtils]: 10: Hoare triple {478#false} ceil_float_#res := ceil_float_~x; {478#false} is VALID [2020-07-28 17:54:01,805 INFO L280 TraceCheckUtils]: 11: Hoare triple {478#false} main_#t~ret6 := ceil_float_#res;main_~res~0 := main_#t~ret6;havoc main_#t~ret6;main_#t~short8 := ~fp.eq~FLOAT(main_~res~0, ~Pluszero~FLOAT()); {478#false} is VALID [2020-07-28 17:54:01,805 INFO L280 TraceCheckUtils]: 12: Hoare triple {478#false} assume !main_#t~short8; {478#false} is VALID [2020-07-28 17:54:01,805 INFO L280 TraceCheckUtils]: 13: Hoare triple {478#false} assume !main_#t~short8;havoc main_#t~ret7;havoc main_#t~short8; {478#false} is VALID [2020-07-28 17:54:01,805 INFO L280 TraceCheckUtils]: 14: Hoare triple {478#false} assume !false; {478#false} is VALID [2020-07-28 17:54:01,807 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 17:54:01,807 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:54:02,057 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2020-07-28 17:54:02,304 INFO L280 TraceCheckUtils]: 14: Hoare triple {478#false} assume !false; {478#false} is VALID [2020-07-28 17:54:02,304 INFO L280 TraceCheckUtils]: 13: Hoare triple {478#false} assume !main_#t~short8;havoc main_#t~ret7;havoc main_#t~short8; {478#false} is VALID [2020-07-28 17:54:02,305 INFO L280 TraceCheckUtils]: 12: Hoare triple {478#false} assume !main_#t~short8; {478#false} is VALID [2020-07-28 17:54:02,305 INFO L280 TraceCheckUtils]: 11: Hoare triple {478#false} main_#t~ret6 := ceil_float_#res;main_~res~0 := main_#t~ret6;havoc main_#t~ret6;main_#t~short8 := ~fp.eq~FLOAT(main_~res~0, ~Pluszero~FLOAT()); {478#false} is VALID [2020-07-28 17:54:02,305 INFO L280 TraceCheckUtils]: 10: Hoare triple {478#false} ceil_float_#res := ceil_float_~x; {478#false} is VALID [2020-07-28 17:54:02,306 INFO L280 TraceCheckUtils]: 9: Hoare triple {478#false} goto; {478#false} is VALID [2020-07-28 17:54:02,306 INFO L280 TraceCheckUtils]: 8: Hoare triple {478#false} call ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset := #Ultimate.allocOnStack(4bv32);call write~intINTTYPE4(ceil_float_~i0~0, ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset, 4bv32);call ceil_float_#t~mem2 := read~intFLOATTYPE4(ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset, 4bv32);ceil_float_~x := ceil_float_#t~mem2;call write~intINTTYPE4(ceil_float_#t~union3, ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset, 4bv32);havoc ceil_float_#t~mem2;havoc ceil_float_#t~union3;call ULTIMATE.dealloc(ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset);havoc ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset; {478#false} is VALID [2020-07-28 17:54:02,307 INFO L280 TraceCheckUtils]: 7: Hoare triple {547#(fp.gt (fp.add currentRoundingMode ~huge_ceil~0 ULTIMATE.start_ceil_float_~x) ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)))} assume !~fp.gt~FLOAT(~fp.add~FLOAT(currentRoundingMode, ~huge_ceil~0, ceil_float_~x), ~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE())); {478#false} is VALID [2020-07-28 17:54:02,308 INFO L280 TraceCheckUtils]: 6: Hoare triple {547#(fp.gt (fp.add currentRoundingMode ~huge_ceil~0 ULTIMATE.start_ceil_float_~x) ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)))} assume ~bvslt32(ceil_float_~j0~0, 0bv32); {547#(fp.gt (fp.add currentRoundingMode ~huge_ceil~0 ULTIMATE.start_ceil_float_~x) ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)))} is VALID [2020-07-28 17:54:02,309 INFO L280 TraceCheckUtils]: 5: Hoare triple {547#(fp.gt (fp.add currentRoundingMode ~huge_ceil~0 ULTIMATE.start_ceil_float_~x) ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)))} assume ~bvslt32(ceil_float_~j0~0, 23bv32); {547#(fp.gt (fp.add currentRoundingMode ~huge_ceil~0 ULTIMATE.start_ceil_float_~x) ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)))} is VALID [2020-07-28 17:54:02,309 INFO L280 TraceCheckUtils]: 4: Hoare triple {547#(fp.gt (fp.add currentRoundingMode ~huge_ceil~0 ULTIMATE.start_ceil_float_~x) ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)))} ceil_float_~ix~0 := ~bvand32(2147483647bv32, ceil_float_~i0~0);ceil_float_~j0~0 := ~bvsub32(~bvlshr32(ceil_float_~ix~0, 23bv32), 127bv32); {547#(fp.gt (fp.add currentRoundingMode ~huge_ceil~0 ULTIMATE.start_ceil_float_~x) ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)))} is VALID [2020-07-28 17:54:02,310 INFO L280 TraceCheckUtils]: 3: Hoare triple {547#(fp.gt (fp.add currentRoundingMode ~huge_ceil~0 ULTIMATE.start_ceil_float_~x) ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)))} goto; {547#(fp.gt (fp.add currentRoundingMode ~huge_ceil~0 ULTIMATE.start_ceil_float_~x) ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)))} is VALID [2020-07-28 17:54:02,310 INFO L280 TraceCheckUtils]: 2: Hoare triple {547#(fp.gt (fp.add currentRoundingMode ~huge_ceil~0 ULTIMATE.start_ceil_float_~x) ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)))} call ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(ceil_float_~x, ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, 4bv32);call ceil_float_#t~mem0 := read~intINTTYPE4(ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, 4bv32);ceil_float_~i0~0 := ceil_float_#t~mem0;call write~intFLOATTYPE4(ceil_float_#t~union1, ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, 4bv32);havoc ceil_float_#t~union1;havoc ceil_float_#t~mem0;call ULTIMATE.dealloc(ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset);havoc ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset; {547#(fp.gt (fp.add currentRoundingMode ~huge_ceil~0 ULTIMATE.start_ceil_float_~x) ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)))} is VALID [2020-07-28 17:54:02,311 INFO L280 TraceCheckUtils]: 1: Hoare triple {566#(fp.gt (fp.add currentRoundingMode ~huge_ceil~0 (_ +zero 8 24)) ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)))} havoc main_#res;havoc main_#t~ret6, main_#t~ret7, main_#t~short8, main_~x~0, main_~res~0;main_~x~0 := ~Pluszero~FLOAT();ceil_float_#in~x := main_~x~0;havoc ceil_float_#res;havoc ceil_float_#t~mem0, ceil_float_#t~union1, ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, ceil_float_#t~mem2, ceil_float_#t~union3, ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset, ceil_float_~x, ceil_float_~i0~0, ceil_float_~j0~0, ceil_float_~i~0, ceil_float_~ix~0;ceil_float_~x := ceil_float_#in~x;havoc ceil_float_~i0~0;havoc ceil_float_~j0~0;havoc ceil_float_~i~0;havoc ceil_float_~ix~0; {547#(fp.gt (fp.add currentRoundingMode ~huge_ceil~0 ULTIMATE.start_ceil_float_~x) ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)))} is VALID [2020-07-28 17:54:02,312 INFO L280 TraceCheckUtils]: 0: Hoare triple {477#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~huge_ceil~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30)); {566#(fp.gt (fp.add currentRoundingMode ~huge_ceil~0 (_ +zero 8 24)) ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)))} is VALID [2020-07-28 17:54:02,313 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 17:54:02,313 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1544949715] [2020-07-28 17:54:02,314 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:54:02,314 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2020-07-28 17:54:02,314 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297331827] [2020-07-28 17:54:02,315 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-07-28 17:54:02,315 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:54:02,315 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 17:54:02,435 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 17:54:02,435 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 17:54:02,435 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:54:02,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 17:54:02,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-28 17:54:02,436 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand 6 states. [2020-07-28 17:54:03,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:54:03,434 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2020-07-28 17:54:03,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 17:54:03,435 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-07-28 17:54:03,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:54:03,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 17:54:03,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 36 transitions. [2020-07-28 17:54:03,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 17:54:03,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 36 transitions. [2020-07-28 17:54:03,438 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 36 transitions. [2020-07-28 17:54:03,550 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 17:54:03,552 INFO L225 Difference]: With dead ends: 34 [2020-07-28 17:54:03,552 INFO L226 Difference]: Without dead ends: 22 [2020-07-28 17:54:03,552 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-28 17:54:03,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2020-07-28 17:54:03,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2020-07-28 17:54:03,563 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:54:03,563 INFO L82 GeneralOperation]: Start isEquivalent. First operand 22 states. Second operand 22 states. [2020-07-28 17:54:03,563 INFO L74 IsIncluded]: Start isIncluded. First operand 22 states. Second operand 22 states. [2020-07-28 17:54:03,563 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 22 states. [2020-07-28 17:54:03,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:54:03,564 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2020-07-28 17:54:03,565 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2020-07-28 17:54:03,565 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:54:03,565 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:54:03,565 INFO L74 IsIncluded]: Start isIncluded. First operand 22 states. Second operand 22 states. [2020-07-28 17:54:03,565 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 22 states. [2020-07-28 17:54:03,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:54:03,567 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2020-07-28 17:54:03,567 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2020-07-28 17:54:03,567 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:54:03,567 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:54:03,568 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:54:03,568 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:54:03,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-07-28 17:54:03,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2020-07-28 17:54:03,569 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 15 [2020-07-28 17:54:03,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:54:03,569 INFO L479 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2020-07-28 17:54:03,570 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 17:54:03,570 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2020-07-28 17:54:03,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 17:54:03,570 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:54:03,570 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:54:03,784 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-07-28 17:54:03,785 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:54:03,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:54:03,786 INFO L82 PathProgramCache]: Analyzing trace with hash -1572128049, now seen corresponding path program 1 times [2020-07-28 17:54:03,787 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:54:03,787 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [70337491] [2020-07-28 17:54:03,787 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 17:54:03,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:54:03,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-28 17:54:03,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:54:03,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:54:04,003 INFO L280 TraceCheckUtils]: 0: Hoare triple {680#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~huge_ceil~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30)); {680#true} is VALID [2020-07-28 17:54:04,004 INFO L280 TraceCheckUtils]: 1: Hoare triple {680#true} havoc main_#res;havoc main_#t~ret6, main_#t~ret7, main_#t~short8, main_~x~0, main_~res~0;main_~x~0 := ~Pluszero~FLOAT();ceil_float_#in~x := main_~x~0;havoc ceil_float_#res;havoc ceil_float_#t~mem0, ceil_float_#t~union1, ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, ceil_float_#t~mem2, ceil_float_#t~union3, ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset, ceil_float_~x, ceil_float_~i0~0, ceil_float_~j0~0, ceil_float_~i~0, ceil_float_~ix~0;ceil_float_~x := ceil_float_#in~x;havoc ceil_float_~i0~0;havoc ceil_float_~j0~0;havoc ceil_float_~i~0;havoc ceil_float_~ix~0; {688#(= ULTIMATE.start_ceil_float_~x (_ +zero 8 24))} is VALID [2020-07-28 17:54:04,007 INFO L280 TraceCheckUtils]: 2: Hoare triple {688#(= ULTIMATE.start_ceil_float_~x (_ +zero 8 24))} call ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(ceil_float_~x, ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, 4bv32);call ceil_float_#t~mem0 := read~intINTTYPE4(ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, 4bv32);ceil_float_~i0~0 := ceil_float_#t~mem0;call write~intFLOATTYPE4(ceil_float_#t~union1, ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, 4bv32);havoc ceil_float_#t~union1;havoc ceil_float_#t~mem0;call ULTIMATE.dealloc(ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset);havoc ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset; {692#(= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} is VALID [2020-07-28 17:54:04,008 INFO L280 TraceCheckUtils]: 3: Hoare triple {692#(= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} goto; {692#(= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} is VALID [2020-07-28 17:54:04,009 INFO L280 TraceCheckUtils]: 4: Hoare triple {692#(= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} ceil_float_~ix~0 := ~bvand32(2147483647bv32, ceil_float_~i0~0);ceil_float_~j0~0 := ~bvsub32(~bvlshr32(ceil_float_~ix~0, 23bv32), 127bv32); {699#(exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) ULTIMATE.start_ceil_float_~ix~0) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))))} is VALID [2020-07-28 17:54:04,010 INFO L280 TraceCheckUtils]: 5: Hoare triple {699#(exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) ULTIMATE.start_ceil_float_~ix~0) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))))} assume ~bvslt32(ceil_float_~j0~0, 23bv32); {699#(exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) ULTIMATE.start_ceil_float_~ix~0) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))))} is VALID [2020-07-28 17:54:04,010 INFO L280 TraceCheckUtils]: 6: Hoare triple {699#(exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) ULTIMATE.start_ceil_float_~ix~0) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))))} assume ~bvslt32(ceil_float_~j0~0, 0bv32); {699#(exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) ULTIMATE.start_ceil_float_~ix~0) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))))} is VALID [2020-07-28 17:54:04,011 INFO L280 TraceCheckUtils]: 7: Hoare triple {699#(exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) ULTIMATE.start_ceil_float_~ix~0) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))))} assume ~fp.gt~FLOAT(~fp.add~FLOAT(currentRoundingMode, ~huge_ceil~0, ceil_float_~x), ~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE())); {699#(exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) ULTIMATE.start_ceil_float_~ix~0) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))))} is VALID [2020-07-28 17:54:04,011 INFO L280 TraceCheckUtils]: 8: Hoare triple {699#(exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) ULTIMATE.start_ceil_float_~ix~0) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))))} assume !~bvslt32(ceil_float_~i0~0, 0bv32); {699#(exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) ULTIMATE.start_ceil_float_~ix~0) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))))} is VALID [2020-07-28 17:54:04,013 INFO L280 TraceCheckUtils]: 9: Hoare triple {699#(exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) ULTIMATE.start_ceil_float_~ix~0) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))))} assume !(0bv32 == ceil_float_~ix~0);ceil_float_~i0~0 := 1065353216bv32; {681#false} is VALID [2020-07-28 17:54:04,013 INFO L280 TraceCheckUtils]: 10: Hoare triple {681#false} call ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset := #Ultimate.allocOnStack(4bv32);call write~intINTTYPE4(ceil_float_~i0~0, ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset, 4bv32);call ceil_float_#t~mem2 := read~intFLOATTYPE4(ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset, 4bv32);ceil_float_~x := ceil_float_#t~mem2;call write~intINTTYPE4(ceil_float_#t~union3, ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset, 4bv32);havoc ceil_float_#t~mem2;havoc ceil_float_#t~union3;call ULTIMATE.dealloc(ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset);havoc ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset; {681#false} is VALID [2020-07-28 17:54:04,013 INFO L280 TraceCheckUtils]: 11: Hoare triple {681#false} goto; {681#false} is VALID [2020-07-28 17:54:04,013 INFO L280 TraceCheckUtils]: 12: Hoare triple {681#false} ceil_float_#res := ceil_float_~x; {681#false} is VALID [2020-07-28 17:54:04,014 INFO L280 TraceCheckUtils]: 13: Hoare triple {681#false} main_#t~ret6 := ceil_float_#res;main_~res~0 := main_#t~ret6;havoc main_#t~ret6;main_#t~short8 := ~fp.eq~FLOAT(main_~res~0, ~Pluszero~FLOAT()); {681#false} is VALID [2020-07-28 17:54:04,014 INFO L280 TraceCheckUtils]: 14: Hoare triple {681#false} assume !main_#t~short8; {681#false} is VALID [2020-07-28 17:54:04,014 INFO L280 TraceCheckUtils]: 15: Hoare triple {681#false} assume !main_#t~short8;havoc main_#t~ret7;havoc main_#t~short8; {681#false} is VALID [2020-07-28 17:54:04,014 INFO L280 TraceCheckUtils]: 16: Hoare triple {681#false} assume !false; {681#false} is VALID [2020-07-28 17:54:04,016 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 17:54:04,016 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:54:04,119 INFO L280 TraceCheckUtils]: 16: Hoare triple {681#false} assume !false; {681#false} is VALID [2020-07-28 17:54:04,120 INFO L280 TraceCheckUtils]: 15: Hoare triple {681#false} assume !main_#t~short8;havoc main_#t~ret7;havoc main_#t~short8; {681#false} is VALID [2020-07-28 17:54:04,120 INFO L280 TraceCheckUtils]: 14: Hoare triple {681#false} assume !main_#t~short8; {681#false} is VALID [2020-07-28 17:54:04,120 INFO L280 TraceCheckUtils]: 13: Hoare triple {681#false} main_#t~ret6 := ceil_float_#res;main_~res~0 := main_#t~ret6;havoc main_#t~ret6;main_#t~short8 := ~fp.eq~FLOAT(main_~res~0, ~Pluszero~FLOAT()); {681#false} is VALID [2020-07-28 17:54:04,121 INFO L280 TraceCheckUtils]: 12: Hoare triple {681#false} ceil_float_#res := ceil_float_~x; {681#false} is VALID [2020-07-28 17:54:04,121 INFO L280 TraceCheckUtils]: 11: Hoare triple {681#false} goto; {681#false} is VALID [2020-07-28 17:54:04,121 INFO L280 TraceCheckUtils]: 10: Hoare triple {681#false} call ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset := #Ultimate.allocOnStack(4bv32);call write~intINTTYPE4(ceil_float_~i0~0, ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset, 4bv32);call ceil_float_#t~mem2 := read~intFLOATTYPE4(ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset, 4bv32);ceil_float_~x := ceil_float_#t~mem2;call write~intINTTYPE4(ceil_float_#t~union3, ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset, 4bv32);havoc ceil_float_#t~mem2;havoc ceil_float_#t~union3;call ULTIMATE.dealloc(ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset);havoc ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset; {681#false} is VALID [2020-07-28 17:54:04,127 INFO L280 TraceCheckUtils]: 9: Hoare triple {757#(= (_ bv0 32) ULTIMATE.start_ceil_float_~ix~0)} assume !(0bv32 == ceil_float_~ix~0);ceil_float_~i0~0 := 1065353216bv32; {681#false} is VALID [2020-07-28 17:54:04,128 INFO L280 TraceCheckUtils]: 8: Hoare triple {757#(= (_ bv0 32) ULTIMATE.start_ceil_float_~ix~0)} assume !~bvslt32(ceil_float_~i0~0, 0bv32); {757#(= (_ bv0 32) ULTIMATE.start_ceil_float_~ix~0)} is VALID [2020-07-28 17:54:04,128 INFO L280 TraceCheckUtils]: 7: Hoare triple {757#(= (_ bv0 32) ULTIMATE.start_ceil_float_~ix~0)} assume ~fp.gt~FLOAT(~fp.add~FLOAT(currentRoundingMode, ~huge_ceil~0, ceil_float_~x), ~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE())); {757#(= (_ bv0 32) ULTIMATE.start_ceil_float_~ix~0)} is VALID [2020-07-28 17:54:04,129 INFO L280 TraceCheckUtils]: 6: Hoare triple {757#(= (_ bv0 32) ULTIMATE.start_ceil_float_~ix~0)} assume ~bvslt32(ceil_float_~j0~0, 0bv32); {757#(= (_ bv0 32) ULTIMATE.start_ceil_float_~ix~0)} is VALID [2020-07-28 17:54:04,129 INFO L280 TraceCheckUtils]: 5: Hoare triple {757#(= (_ bv0 32) ULTIMATE.start_ceil_float_~ix~0)} assume ~bvslt32(ceil_float_~j0~0, 23bv32); {757#(= (_ bv0 32) ULTIMATE.start_ceil_float_~ix~0)} is VALID [2020-07-28 17:54:04,130 INFO L280 TraceCheckUtils]: 4: Hoare triple {773#(= (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) (_ bv0 32))} ceil_float_~ix~0 := ~bvand32(2147483647bv32, ceil_float_~i0~0);ceil_float_~j0~0 := ~bvsub32(~bvlshr32(ceil_float_~ix~0, 23bv32), 127bv32); {757#(= (_ bv0 32) ULTIMATE.start_ceil_float_~ix~0)} is VALID [2020-07-28 17:54:04,131 INFO L280 TraceCheckUtils]: 3: Hoare triple {773#(= (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) (_ bv0 32))} goto; {773#(= (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) (_ bv0 32))} is VALID [2020-07-28 17:54:04,133 INFO L280 TraceCheckUtils]: 2: Hoare triple {780#(forall ((v_ULTIMATE.start_ceil_float_~i0~0_22 (_ BitVec 32))) (or (not (= (fp ((_ extract 31 31) v_ULTIMATE.start_ceil_float_~i0~0_22) ((_ extract 30 23) v_ULTIMATE.start_ceil_float_~i0~0_22) ((_ extract 22 0) v_ULTIMATE.start_ceil_float_~i0~0_22)) ULTIMATE.start_ceil_float_~x)) (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_ceil_float_~i0~0_22) (_ bv0 32))))} call ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(ceil_float_~x, ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, 4bv32);call ceil_float_#t~mem0 := read~intINTTYPE4(ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, 4bv32);ceil_float_~i0~0 := ceil_float_#t~mem0;call write~intFLOATTYPE4(ceil_float_#t~union1, ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, 4bv32);havoc ceil_float_#t~union1;havoc ceil_float_#t~mem0;call ULTIMATE.dealloc(ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset);havoc ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset; {773#(= (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) (_ bv0 32))} is VALID [2020-07-28 17:54:04,135 INFO L280 TraceCheckUtils]: 1: Hoare triple {680#true} havoc main_#res;havoc main_#t~ret6, main_#t~ret7, main_#t~short8, main_~x~0, main_~res~0;main_~x~0 := ~Pluszero~FLOAT();ceil_float_#in~x := main_~x~0;havoc ceil_float_#res;havoc ceil_float_#t~mem0, ceil_float_#t~union1, ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, ceil_float_#t~mem2, ceil_float_#t~union3, ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset, ceil_float_~x, ceil_float_~i0~0, ceil_float_~j0~0, ceil_float_~i~0, ceil_float_~ix~0;ceil_float_~x := ceil_float_#in~x;havoc ceil_float_~i0~0;havoc ceil_float_~j0~0;havoc ceil_float_~i~0;havoc ceil_float_~ix~0; {780#(forall ((v_ULTIMATE.start_ceil_float_~i0~0_22 (_ BitVec 32))) (or (not (= (fp ((_ extract 31 31) v_ULTIMATE.start_ceil_float_~i0~0_22) ((_ extract 30 23) v_ULTIMATE.start_ceil_float_~i0~0_22) ((_ extract 22 0) v_ULTIMATE.start_ceil_float_~i0~0_22)) ULTIMATE.start_ceil_float_~x)) (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_ceil_float_~i0~0_22) (_ bv0 32))))} is VALID [2020-07-28 17:54:04,135 INFO L280 TraceCheckUtils]: 0: Hoare triple {680#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~huge_ceil~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30)); {680#true} is VALID [2020-07-28 17:54:04,137 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 17:54:04,137 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [70337491] [2020-07-28 17:54:04,137 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:54:04,137 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-07-28 17:54:04,138 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312093093] [2020-07-28 17:54:04,138 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2020-07-28 17:54:04,139 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:54:04,139 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-28 17:54:04,223 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 17:54:04,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-28 17:54:04,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:54:04,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-28 17:54:04,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-28 17:54:04,225 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand 8 states. [2020-07-28 17:54:04,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:54:04,469 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2020-07-28 17:54:04,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 17:54:04,469 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2020-07-28 17:54:04,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:54:04,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-28 17:54:04,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 35 transitions. [2020-07-28 17:54:04,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-28 17:54:04,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 35 transitions. [2020-07-28 17:54:04,473 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 35 transitions. [2020-07-28 17:54:04,556 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:54:04,557 INFO L225 Difference]: With dead ends: 34 [2020-07-28 17:54:04,557 INFO L226 Difference]: Without dead ends: 22 [2020-07-28 17:54:04,558 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-07-28 17:54:04,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2020-07-28 17:54:04,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2020-07-28 17:54:04,581 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:54:04,581 INFO L82 GeneralOperation]: Start isEquivalent. First operand 22 states. Second operand 22 states. [2020-07-28 17:54:04,581 INFO L74 IsIncluded]: Start isIncluded. First operand 22 states. Second operand 22 states. [2020-07-28 17:54:04,581 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 22 states. [2020-07-28 17:54:04,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:54:04,582 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2020-07-28 17:54:04,583 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2020-07-28 17:54:04,583 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:54:04,583 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:54:04,584 INFO L74 IsIncluded]: Start isIncluded. First operand 22 states. Second operand 22 states. [2020-07-28 17:54:04,584 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 22 states. [2020-07-28 17:54:04,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:54:04,586 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2020-07-28 17:54:04,586 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2020-07-28 17:54:04,586 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:54:04,589 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:54:04,589 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:54:04,589 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:54:04,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-07-28 17:54:04,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2020-07-28 17:54:04,594 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 17 [2020-07-28 17:54:04,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:54:04,596 INFO L479 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2020-07-28 17:54:04,597 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-28 17:54:04,597 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2020-07-28 17:54:04,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 17:54:04,599 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:54:04,599 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:54:04,808 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-07-28 17:54:04,809 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:54:04,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:54:04,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1913492621, now seen corresponding path program 1 times [2020-07-28 17:54:04,811 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:54:04,811 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [139338835] [2020-07-28 17:54:04,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-07-28 17:54:04,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:54:04,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-28 17:54:04,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:54:04,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:54:04,981 INFO L280 TraceCheckUtils]: 0: Hoare triple {901#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~huge_ceil~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30)); {901#true} is VALID [2020-07-28 17:54:04,986 INFO L280 TraceCheckUtils]: 1: Hoare triple {901#true} havoc main_#res;havoc main_#t~ret6, main_#t~ret7, main_#t~short8, main_~x~0, main_~res~0;main_~x~0 := ~Pluszero~FLOAT();ceil_float_#in~x := main_~x~0;havoc ceil_float_#res;havoc ceil_float_#t~mem0, ceil_float_#t~union1, ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, ceil_float_#t~mem2, ceil_float_#t~union3, ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset, ceil_float_~x, ceil_float_~i0~0, ceil_float_~j0~0, ceil_float_~i~0, ceil_float_~ix~0;ceil_float_~x := ceil_float_#in~x;havoc ceil_float_~i0~0;havoc ceil_float_~j0~0;havoc ceil_float_~i~0;havoc ceil_float_~ix~0; {909#(= ULTIMATE.start_ceil_float_~x (_ +zero 8 24))} is VALID [2020-07-28 17:54:04,989 INFO L280 TraceCheckUtils]: 2: Hoare triple {909#(= ULTIMATE.start_ceil_float_~x (_ +zero 8 24))} call ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(ceil_float_~x, ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, 4bv32);call ceil_float_#t~mem0 := read~intINTTYPE4(ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, 4bv32);ceil_float_~i0~0 := ceil_float_#t~mem0;call write~intFLOATTYPE4(ceil_float_#t~union1, ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, 4bv32);havoc ceil_float_#t~union1;havoc ceil_float_#t~mem0;call ULTIMATE.dealloc(ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset);havoc ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset; {913#(= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} is VALID [2020-07-28 17:54:04,990 INFO L280 TraceCheckUtils]: 3: Hoare triple {913#(= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} goto; {913#(= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} is VALID [2020-07-28 17:54:04,991 INFO L280 TraceCheckUtils]: 4: Hoare triple {913#(= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} ceil_float_~ix~0 := ~bvand32(2147483647bv32, ceil_float_~i0~0);ceil_float_~j0~0 := ~bvsub32(~bvlshr32(ceil_float_~ix~0, 23bv32), 127bv32); {913#(= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} is VALID [2020-07-28 17:54:04,992 INFO L280 TraceCheckUtils]: 5: Hoare triple {913#(= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} assume ~bvslt32(ceil_float_~j0~0, 23bv32); {913#(= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} is VALID [2020-07-28 17:54:04,992 INFO L280 TraceCheckUtils]: 6: Hoare triple {913#(= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} assume ~bvslt32(ceil_float_~j0~0, 0bv32); {913#(= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} is VALID [2020-07-28 17:54:04,993 INFO L280 TraceCheckUtils]: 7: Hoare triple {913#(= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} assume ~fp.gt~FLOAT(~fp.add~FLOAT(currentRoundingMode, ~huge_ceil~0, ceil_float_~x), ~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE())); {913#(= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} is VALID [2020-07-28 17:54:04,993 INFO L280 TraceCheckUtils]: 8: Hoare triple {913#(= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} assume !~bvslt32(ceil_float_~i0~0, 0bv32); {913#(= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} is VALID [2020-07-28 17:54:04,994 INFO L280 TraceCheckUtils]: 9: Hoare triple {913#(= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} assume !!(0bv32 == ceil_float_~ix~0); {913#(= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} is VALID [2020-07-28 17:54:04,995 INFO L280 TraceCheckUtils]: 10: Hoare triple {913#(= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} call ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset := #Ultimate.allocOnStack(4bv32);call write~intINTTYPE4(ceil_float_~i0~0, ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset, 4bv32);call ceil_float_#t~mem2 := read~intFLOATTYPE4(ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset, 4bv32);ceil_float_~x := ceil_float_#t~mem2;call write~intINTTYPE4(ceil_float_#t~union3, ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset, 4bv32);havoc ceil_float_#t~mem2;havoc ceil_float_#t~union3;call ULTIMATE.dealloc(ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset);havoc ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset; {909#(= ULTIMATE.start_ceil_float_~x (_ +zero 8 24))} is VALID [2020-07-28 17:54:04,996 INFO L280 TraceCheckUtils]: 11: Hoare triple {909#(= ULTIMATE.start_ceil_float_~x (_ +zero 8 24))} goto; {909#(= ULTIMATE.start_ceil_float_~x (_ +zero 8 24))} is VALID [2020-07-28 17:54:04,996 INFO L280 TraceCheckUtils]: 12: Hoare triple {909#(= ULTIMATE.start_ceil_float_~x (_ +zero 8 24))} ceil_float_#res := ceil_float_~x; {944#(= (_ +zero 8 24) |ULTIMATE.start_ceil_float_#res|)} is VALID [2020-07-28 17:54:04,997 INFO L280 TraceCheckUtils]: 13: Hoare triple {944#(= (_ +zero 8 24) |ULTIMATE.start_ceil_float_#res|)} main_#t~ret6 := ceil_float_#res;main_~res~0 := main_#t~ret6;havoc main_#t~ret6;main_#t~short8 := ~fp.eq~FLOAT(main_~res~0, ~Pluszero~FLOAT()); {948#|ULTIMATE.start_main_#t~short8|} is VALID [2020-07-28 17:54:05,012 INFO L280 TraceCheckUtils]: 14: Hoare triple {948#|ULTIMATE.start_main_#t~short8|} assume !main_#t~short8; {948#|ULTIMATE.start_main_#t~short8|} is VALID [2020-07-28 17:54:05,013 INFO L280 TraceCheckUtils]: 15: Hoare triple {948#|ULTIMATE.start_main_#t~short8|} assume !main_#t~short8;havoc main_#t~ret7;havoc main_#t~short8; {902#false} is VALID [2020-07-28 17:54:05,013 INFO L280 TraceCheckUtils]: 16: Hoare triple {902#false} assume !false; {902#false} is VALID [2020-07-28 17:54:05,014 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 17:54:05,014 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:54:05,114 INFO L280 TraceCheckUtils]: 16: Hoare triple {902#false} assume !false; {902#false} is VALID [2020-07-28 17:54:05,115 INFO L280 TraceCheckUtils]: 15: Hoare triple {948#|ULTIMATE.start_main_#t~short8|} assume !main_#t~short8;havoc main_#t~ret7;havoc main_#t~short8; {902#false} is VALID [2020-07-28 17:54:05,115 INFO L280 TraceCheckUtils]: 14: Hoare triple {948#|ULTIMATE.start_main_#t~short8|} assume !main_#t~short8; {948#|ULTIMATE.start_main_#t~short8|} is VALID [2020-07-28 17:54:05,116 INFO L280 TraceCheckUtils]: 13: Hoare triple {967#(fp.eq |ULTIMATE.start_ceil_float_#res| (_ +zero 8 24))} main_#t~ret6 := ceil_float_#res;main_~res~0 := main_#t~ret6;havoc main_#t~ret6;main_#t~short8 := ~fp.eq~FLOAT(main_~res~0, ~Pluszero~FLOAT()); {948#|ULTIMATE.start_main_#t~short8|} is VALID [2020-07-28 17:54:05,117 INFO L280 TraceCheckUtils]: 12: Hoare triple {971#(fp.eq ULTIMATE.start_ceil_float_~x (_ +zero 8 24))} ceil_float_#res := ceil_float_~x; {967#(fp.eq |ULTIMATE.start_ceil_float_#res| (_ +zero 8 24))} is VALID [2020-07-28 17:54:05,120 INFO L280 TraceCheckUtils]: 11: Hoare triple {971#(fp.eq ULTIMATE.start_ceil_float_~x (_ +zero 8 24))} goto; {971#(fp.eq ULTIMATE.start_ceil_float_~x (_ +zero 8 24))} is VALID [2020-07-28 17:54:05,121 INFO L280 TraceCheckUtils]: 10: Hoare triple {978#(fp.eq (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} call ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset := #Ultimate.allocOnStack(4bv32);call write~intINTTYPE4(ceil_float_~i0~0, ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset, 4bv32);call ceil_float_#t~mem2 := read~intFLOATTYPE4(ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset, 4bv32);ceil_float_~x := ceil_float_#t~mem2;call write~intINTTYPE4(ceil_float_#t~union3, ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset, 4bv32);havoc ceil_float_#t~mem2;havoc ceil_float_#t~union3;call ULTIMATE.dealloc(ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset);havoc ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset; {971#(fp.eq ULTIMATE.start_ceil_float_~x (_ +zero 8 24))} is VALID [2020-07-28 17:54:05,122 INFO L280 TraceCheckUtils]: 9: Hoare triple {978#(fp.eq (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} assume !!(0bv32 == ceil_float_~ix~0); {978#(fp.eq (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} is VALID [2020-07-28 17:54:05,122 INFO L280 TraceCheckUtils]: 8: Hoare triple {978#(fp.eq (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} assume !~bvslt32(ceil_float_~i0~0, 0bv32); {978#(fp.eq (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} is VALID [2020-07-28 17:54:05,123 INFO L280 TraceCheckUtils]: 7: Hoare triple {978#(fp.eq (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} assume ~fp.gt~FLOAT(~fp.add~FLOAT(currentRoundingMode, ~huge_ceil~0, ceil_float_~x), ~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE())); {978#(fp.eq (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} is VALID [2020-07-28 17:54:05,123 INFO L280 TraceCheckUtils]: 6: Hoare triple {978#(fp.eq (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} assume ~bvslt32(ceil_float_~j0~0, 0bv32); {978#(fp.eq (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} is VALID [2020-07-28 17:54:05,123 INFO L280 TraceCheckUtils]: 5: Hoare triple {978#(fp.eq (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} assume ~bvslt32(ceil_float_~j0~0, 23bv32); {978#(fp.eq (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} is VALID [2020-07-28 17:54:05,130 INFO L280 TraceCheckUtils]: 4: Hoare triple {978#(fp.eq (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} ceil_float_~ix~0 := ~bvand32(2147483647bv32, ceil_float_~i0~0);ceil_float_~j0~0 := ~bvsub32(~bvlshr32(ceil_float_~ix~0, 23bv32), 127bv32); {978#(fp.eq (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} is VALID [2020-07-28 17:54:05,131 INFO L280 TraceCheckUtils]: 3: Hoare triple {978#(fp.eq (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} goto; {978#(fp.eq (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} is VALID [2020-07-28 17:54:05,134 INFO L280 TraceCheckUtils]: 2: Hoare triple {971#(fp.eq ULTIMATE.start_ceil_float_~x (_ +zero 8 24))} call ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(ceil_float_~x, ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, 4bv32);call ceil_float_#t~mem0 := read~intINTTYPE4(ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, 4bv32);ceil_float_~i0~0 := ceil_float_#t~mem0;call write~intFLOATTYPE4(ceil_float_#t~union1, ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, 4bv32);havoc ceil_float_#t~union1;havoc ceil_float_#t~mem0;call ULTIMATE.dealloc(ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset);havoc ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset; {978#(fp.eq (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} is VALID [2020-07-28 17:54:05,134 INFO L280 TraceCheckUtils]: 1: Hoare triple {901#true} havoc main_#res;havoc main_#t~ret6, main_#t~ret7, main_#t~short8, main_~x~0, main_~res~0;main_~x~0 := ~Pluszero~FLOAT();ceil_float_#in~x := main_~x~0;havoc ceil_float_#res;havoc ceil_float_#t~mem0, ceil_float_#t~union1, ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, ceil_float_#t~mem2, ceil_float_#t~union3, ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset, ceil_float_~x, ceil_float_~i0~0, ceil_float_~j0~0, ceil_float_~i~0, ceil_float_~ix~0;ceil_float_~x := ceil_float_#in~x;havoc ceil_float_~i0~0;havoc ceil_float_~j0~0;havoc ceil_float_~i~0;havoc ceil_float_~ix~0; {971#(fp.eq ULTIMATE.start_ceil_float_~x (_ +zero 8 24))} is VALID [2020-07-28 17:54:05,134 INFO L280 TraceCheckUtils]: 0: Hoare triple {901#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~huge_ceil~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30)); {901#true} is VALID [2020-07-28 17:54:05,135 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 17:54:05,135 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [139338835] [2020-07-28 17:54:05,136 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:54:05,136 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2020-07-28 17:54:05,136 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023623190] [2020-07-28 17:54:05,136 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 17 [2020-07-28 17:54:05,137 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:54:05,137 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2020-07-28 17:54:05,202 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:54:05,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-28 17:54:05,203 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:54:05,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-28 17:54:05,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-07-28 17:54:05,204 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand 9 states. [2020-07-28 17:54:05,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:54:05,553 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2020-07-28 17:54:05,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 17:54:05,553 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 17 [2020-07-28 17:54:05,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:54:05,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-28 17:54:05,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2020-07-28 17:54:05,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-28 17:54:05,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2020-07-28 17:54:05,556 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 24 transitions. [2020-07-28 17:54:05,618 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:54:05,619 INFO L225 Difference]: With dead ends: 25 [2020-07-28 17:54:05,619 INFO L226 Difference]: Without dead ends: 22 [2020-07-28 17:54:05,620 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 22 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-07-28 17:54:05,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2020-07-28 17:54:05,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2020-07-28 17:54:05,640 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:54:05,640 INFO L82 GeneralOperation]: Start isEquivalent. First operand 22 states. Second operand 22 states. [2020-07-28 17:54:05,640 INFO L74 IsIncluded]: Start isIncluded. First operand 22 states. Second operand 22 states. [2020-07-28 17:54:05,640 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 22 states. [2020-07-28 17:54:05,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:54:05,641 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2020-07-28 17:54:05,641 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 21 transitions. [2020-07-28 17:54:05,642 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:54:05,642 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:54:05,642 INFO L74 IsIncluded]: Start isIncluded. First operand 22 states. Second operand 22 states. [2020-07-28 17:54:05,643 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 22 states. [2020-07-28 17:54:05,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:54:05,644 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2020-07-28 17:54:05,644 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 21 transitions. [2020-07-28 17:54:05,644 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:54:05,644 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:54:05,645 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:54:05,645 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:54:05,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-07-28 17:54:05,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 21 transitions. [2020-07-28 17:54:05,646 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 21 transitions. Word has length 17 [2020-07-28 17:54:05,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:54:05,646 INFO L479 AbstractCegarLoop]: Abstraction has 22 states and 21 transitions. [2020-07-28 17:54:05,646 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-28 17:54:05,646 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 21 transitions. [2020-07-28 17:54:05,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-07-28 17:54:05,647 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:54:05,647 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:54:05,856 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-07-28 17:54:05,857 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:54:05,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:54:05,857 INFO L82 PathProgramCache]: Analyzing trace with hash 805440418, now seen corresponding path program 1 times [2020-07-28 17:54:05,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:54:05,859 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1531467806] [2020-07-28 17:54:05,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-07-28 17:54:06,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:54:06,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 18 conjunts are in the unsatisfiable core [2020-07-28 17:54:06,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:54:06,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:54:06,128 INFO L523 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-28 17:54:06,165 INFO L280 TraceCheckUtils]: 0: Hoare triple {1113#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~huge_ceil~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30)); {1113#true} is VALID [2020-07-28 17:54:06,166 INFO L280 TraceCheckUtils]: 1: Hoare triple {1113#true} havoc main_#res;havoc main_#t~ret6, main_#t~ret7, main_#t~short8, main_~x~0, main_~res~0;main_~x~0 := ~Pluszero~FLOAT();ceil_float_#in~x := main_~x~0;havoc ceil_float_#res;havoc ceil_float_#t~mem0, ceil_float_#t~union1, ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, ceil_float_#t~mem2, ceil_float_#t~union3, ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset, ceil_float_~x, ceil_float_~i0~0, ceil_float_~j0~0, ceil_float_~i~0, ceil_float_~ix~0;ceil_float_~x := ceil_float_#in~x;havoc ceil_float_~i0~0;havoc ceil_float_~j0~0;havoc ceil_float_~i~0;havoc ceil_float_~ix~0; {1121#(= ULTIMATE.start_ceil_float_~x (_ +zero 8 24))} is VALID [2020-07-28 17:54:06,169 INFO L280 TraceCheckUtils]: 2: Hoare triple {1121#(= ULTIMATE.start_ceil_float_~x (_ +zero 8 24))} call ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(ceil_float_~x, ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, 4bv32);call ceil_float_#t~mem0 := read~intINTTYPE4(ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, 4bv32);ceil_float_~i0~0 := ceil_float_#t~mem0;call write~intFLOATTYPE4(ceil_float_#t~union1, ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, 4bv32);havoc ceil_float_#t~union1;havoc ceil_float_#t~mem0;call ULTIMATE.dealloc(ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset);havoc ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset; {1125#(= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} is VALID [2020-07-28 17:54:06,170 INFO L280 TraceCheckUtils]: 3: Hoare triple {1125#(= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} goto; {1125#(= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} is VALID [2020-07-28 17:54:06,170 INFO L280 TraceCheckUtils]: 4: Hoare triple {1125#(= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} ceil_float_~ix~0 := ~bvand32(2147483647bv32, ceil_float_~i0~0);ceil_float_~j0~0 := ~bvsub32(~bvlshr32(ceil_float_~ix~0, 23bv32), 127bv32); {1125#(= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} is VALID [2020-07-28 17:54:06,171 INFO L280 TraceCheckUtils]: 5: Hoare triple {1125#(= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} assume ~bvslt32(ceil_float_~j0~0, 23bv32); {1125#(= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} is VALID [2020-07-28 17:54:06,171 INFO L280 TraceCheckUtils]: 6: Hoare triple {1125#(= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} assume ~bvslt32(ceil_float_~j0~0, 0bv32); {1125#(= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} is VALID [2020-07-28 17:54:06,172 INFO L280 TraceCheckUtils]: 7: Hoare triple {1125#(= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} assume ~fp.gt~FLOAT(~fp.add~FLOAT(currentRoundingMode, ~huge_ceil~0, ceil_float_~x), ~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE())); {1125#(= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} is VALID [2020-07-28 17:54:06,172 INFO L280 TraceCheckUtils]: 8: Hoare triple {1125#(= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} assume !~bvslt32(ceil_float_~i0~0, 0bv32); {1125#(= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} is VALID [2020-07-28 17:54:06,173 INFO L280 TraceCheckUtils]: 9: Hoare triple {1125#(= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} assume !!(0bv32 == ceil_float_~ix~0); {1125#(= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} is VALID [2020-07-28 17:54:06,173 INFO L280 TraceCheckUtils]: 10: Hoare triple {1125#(= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))} call ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset := #Ultimate.allocOnStack(4bv32);call write~intINTTYPE4(ceil_float_~i0~0, ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset, 4bv32);call ceil_float_#t~mem2 := read~intFLOATTYPE4(ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset, 4bv32);ceil_float_~x := ceil_float_#t~mem2;call write~intINTTYPE4(ceil_float_#t~union3, ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset, 4bv32);havoc ceil_float_#t~mem2;havoc ceil_float_#t~union3;call ULTIMATE.dealloc(ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset);havoc ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset; {1121#(= ULTIMATE.start_ceil_float_~x (_ +zero 8 24))} is VALID [2020-07-28 17:54:06,174 INFO L280 TraceCheckUtils]: 11: Hoare triple {1121#(= ULTIMATE.start_ceil_float_~x (_ +zero 8 24))} goto; {1121#(= ULTIMATE.start_ceil_float_~x (_ +zero 8 24))} is VALID [2020-07-28 17:54:06,174 INFO L280 TraceCheckUtils]: 12: Hoare triple {1121#(= ULTIMATE.start_ceil_float_~x (_ +zero 8 24))} ceil_float_#res := ceil_float_~x; {1156#(= (_ +zero 8 24) |ULTIMATE.start_ceil_float_#res|)} is VALID [2020-07-28 17:54:06,175 INFO L280 TraceCheckUtils]: 13: Hoare triple {1156#(= (_ +zero 8 24) |ULTIMATE.start_ceil_float_#res|)} main_#t~ret6 := ceil_float_#res;main_~res~0 := main_#t~ret6;havoc main_#t~ret6;main_#t~short8 := ~fp.eq~FLOAT(main_~res~0, ~Pluszero~FLOAT()); {1160#(= (_ +zero 8 24) ULTIMATE.start_main_~res~0)} is VALID [2020-07-28 17:54:06,175 INFO L280 TraceCheckUtils]: 14: Hoare triple {1160#(= (_ +zero 8 24) ULTIMATE.start_main_~res~0)} assume main_#t~short8;__signbit_float_#in~x := main_~res~0;havoc __signbit_float_#res;havoc __signbit_float_#t~mem4, __signbit_float_#t~union5, __signbit_float_~#gf_u~1.base, __signbit_float_~#gf_u~1.offset, __signbit_float_~x, __signbit_float_~w~0;__signbit_float_~x := __signbit_float_#in~x;havoc __signbit_float_~w~0; {1164#(= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x)} is VALID [2020-07-28 17:54:06,178 INFO L280 TraceCheckUtils]: 15: Hoare triple {1164#(= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x)} call __signbit_float_~#gf_u~1.base, __signbit_float_~#gf_u~1.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__signbit_float_~x, __signbit_float_~#gf_u~1.base, __signbit_float_~#gf_u~1.offset, 4bv32);call __signbit_float_#t~mem4 := read~intINTTYPE4(__signbit_float_~#gf_u~1.base, __signbit_float_~#gf_u~1.offset, 4bv32);__signbit_float_~w~0 := __signbit_float_#t~mem4;call write~intFLOATTYPE4(__signbit_float_#t~union5, __signbit_float_~#gf_u~1.base, __signbit_float_~#gf_u~1.offset, 4bv32);havoc __signbit_float_#t~union5;havoc __signbit_float_#t~mem4;call ULTIMATE.dealloc(__signbit_float_~#gf_u~1.base, __signbit_float_~#gf_u~1.offset);havoc __signbit_float_~#gf_u~1.base, __signbit_float_~#gf_u~1.offset; {1168#(= (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~0) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~0) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~0)) (_ +zero 8 24))} is VALID [2020-07-28 17:54:06,178 INFO L280 TraceCheckUtils]: 16: Hoare triple {1168#(= (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~0) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~0) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~0)) (_ +zero 8 24))} goto; {1168#(= (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~0) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~0) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~0)) (_ +zero 8 24))} is VALID [2020-07-28 17:54:06,179 INFO L280 TraceCheckUtils]: 17: Hoare triple {1168#(= (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~0) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~0) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~0)) (_ +zero 8 24))} __signbit_float_#res := (if 0bv32 != ~bvand32(2147483648bv32, __signbit_float_~w~0) then 1bv32 else 0bv32); {1175#(= |ULTIMATE.start___signbit_float_#res| (_ bv0 32))} is VALID [2020-07-28 17:54:06,180 INFO L280 TraceCheckUtils]: 18: Hoare triple {1175#(= |ULTIMATE.start___signbit_float_#res| (_ bv0 32))} main_#t~ret7 := __signbit_float_#res;main_#t~short8 := 0bv32 == main_#t~ret7; {1179#|ULTIMATE.start_main_#t~short8|} is VALID [2020-07-28 17:54:06,180 INFO L280 TraceCheckUtils]: 19: Hoare triple {1179#|ULTIMATE.start_main_#t~short8|} assume !main_#t~short8;havoc main_#t~ret7;havoc main_#t~short8; {1114#false} is VALID [2020-07-28 17:54:06,180 INFO L280 TraceCheckUtils]: 20: Hoare triple {1114#false} assume !false; {1114#false} is VALID [2020-07-28 17:54:06,181 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 17:54:06,181 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:54:06,615 INFO L280 TraceCheckUtils]: 20: Hoare triple {1114#false} assume !false; {1114#false} is VALID [2020-07-28 17:54:06,615 INFO L280 TraceCheckUtils]: 19: Hoare triple {1179#|ULTIMATE.start_main_#t~short8|} assume !main_#t~short8;havoc main_#t~ret7;havoc main_#t~short8; {1114#false} is VALID [2020-07-28 17:54:06,616 INFO L280 TraceCheckUtils]: 18: Hoare triple {1175#(= |ULTIMATE.start___signbit_float_#res| (_ bv0 32))} main_#t~ret7 := __signbit_float_#res;main_#t~short8 := 0bv32 == main_#t~ret7; {1179#|ULTIMATE.start_main_#t~short8|} is VALID [2020-07-28 17:54:06,617 INFO L280 TraceCheckUtils]: 17: Hoare triple {1195#(= (_ bv0 32) (bvand (_ bv2147483648 32) ULTIMATE.start___signbit_float_~w~0))} __signbit_float_#res := (if 0bv32 != ~bvand32(2147483648bv32, __signbit_float_~w~0) then 1bv32 else 0bv32); {1175#(= |ULTIMATE.start___signbit_float_#res| (_ bv0 32))} is VALID [2020-07-28 17:54:06,618 INFO L280 TraceCheckUtils]: 16: Hoare triple {1195#(= (_ bv0 32) (bvand (_ bv2147483648 32) ULTIMATE.start___signbit_float_~w~0))} goto; {1195#(= (_ bv0 32) (bvand (_ bv2147483648 32) ULTIMATE.start___signbit_float_~w~0))} is VALID [2020-07-28 17:54:06,620 INFO L280 TraceCheckUtils]: 15: Hoare triple {1202#(forall ((v_ULTIMATE.start___signbit_float_~w~0_5 (_ BitVec 32))) (or (not (= (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~0_5)) ULTIMATE.start___signbit_float_~x)) (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~0_5) (_ bv0 32))))} call __signbit_float_~#gf_u~1.base, __signbit_float_~#gf_u~1.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__signbit_float_~x, __signbit_float_~#gf_u~1.base, __signbit_float_~#gf_u~1.offset, 4bv32);call __signbit_float_#t~mem4 := read~intINTTYPE4(__signbit_float_~#gf_u~1.base, __signbit_float_~#gf_u~1.offset, 4bv32);__signbit_float_~w~0 := __signbit_float_#t~mem4;call write~intFLOATTYPE4(__signbit_float_#t~union5, __signbit_float_~#gf_u~1.base, __signbit_float_~#gf_u~1.offset, 4bv32);havoc __signbit_float_#t~union5;havoc __signbit_float_#t~mem4;call ULTIMATE.dealloc(__signbit_float_~#gf_u~1.base, __signbit_float_~#gf_u~1.offset);havoc __signbit_float_~#gf_u~1.base, __signbit_float_~#gf_u~1.offset; {1195#(= (_ bv0 32) (bvand (_ bv2147483648 32) ULTIMATE.start___signbit_float_~w~0))} is VALID [2020-07-28 17:54:06,621 INFO L280 TraceCheckUtils]: 14: Hoare triple {1206#(forall ((v_ULTIMATE.start___signbit_float_~w~0_5 (_ BitVec 32))) (or (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~0_5) (_ bv0 32)) (not (= (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~0_5)) ULTIMATE.start_main_~res~0))))} assume main_#t~short8;__signbit_float_#in~x := main_~res~0;havoc __signbit_float_#res;havoc __signbit_float_#t~mem4, __signbit_float_#t~union5, __signbit_float_~#gf_u~1.base, __signbit_float_~#gf_u~1.offset, __signbit_float_~x, __signbit_float_~w~0;__signbit_float_~x := __signbit_float_#in~x;havoc __signbit_float_~w~0; {1202#(forall ((v_ULTIMATE.start___signbit_float_~w~0_5 (_ BitVec 32))) (or (not (= (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~0_5)) ULTIMATE.start___signbit_float_~x)) (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~0_5) (_ bv0 32))))} is VALID [2020-07-28 17:54:06,623 INFO L280 TraceCheckUtils]: 13: Hoare triple {1210#(forall ((v_ULTIMATE.start___signbit_float_~w~0_5 (_ BitVec 32))) (or (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~0_5) (_ bv0 32)) (not (= (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~0_5)) |ULTIMATE.start_ceil_float_#res|))))} main_#t~ret6 := ceil_float_#res;main_~res~0 := main_#t~ret6;havoc main_#t~ret6;main_#t~short8 := ~fp.eq~FLOAT(main_~res~0, ~Pluszero~FLOAT()); {1206#(forall ((v_ULTIMATE.start___signbit_float_~w~0_5 (_ BitVec 32))) (or (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~0_5) (_ bv0 32)) (not (= (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~0_5)) ULTIMATE.start_main_~res~0))))} is VALID [2020-07-28 17:54:06,624 INFO L280 TraceCheckUtils]: 12: Hoare triple {1214#(forall ((v_ULTIMATE.start___signbit_float_~w~0_5 (_ BitVec 32))) (or (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~0_5) (_ bv0 32)) (not (= (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~0_5)) ULTIMATE.start_ceil_float_~x))))} ceil_float_#res := ceil_float_~x; {1210#(forall ((v_ULTIMATE.start___signbit_float_~w~0_5 (_ BitVec 32))) (or (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~0_5) (_ bv0 32)) (not (= (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~0_5)) |ULTIMATE.start_ceil_float_#res|))))} is VALID [2020-07-28 17:54:06,624 INFO L280 TraceCheckUtils]: 11: Hoare triple {1214#(forall ((v_ULTIMATE.start___signbit_float_~w~0_5 (_ BitVec 32))) (or (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~0_5) (_ bv0 32)) (not (= (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~0_5)) ULTIMATE.start_ceil_float_~x))))} goto; {1214#(forall ((v_ULTIMATE.start___signbit_float_~w~0_5 (_ BitVec 32))) (or (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~0_5) (_ bv0 32)) (not (= (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~0_5)) ULTIMATE.start_ceil_float_~x))))} is VALID [2020-07-28 17:54:06,627 INFO L280 TraceCheckUtils]: 10: Hoare triple {1221#(forall ((v_ULTIMATE.start___signbit_float_~w~0_5 (_ BitVec 32))) (or (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~0_5) (_ bv0 32)) (not (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~0_5))))))} call ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset := #Ultimate.allocOnStack(4bv32);call write~intINTTYPE4(ceil_float_~i0~0, ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset, 4bv32);call ceil_float_#t~mem2 := read~intFLOATTYPE4(ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset, 4bv32);ceil_float_~x := ceil_float_#t~mem2;call write~intINTTYPE4(ceil_float_#t~union3, ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset, 4bv32);havoc ceil_float_#t~mem2;havoc ceil_float_#t~union3;call ULTIMATE.dealloc(ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset);havoc ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset; {1214#(forall ((v_ULTIMATE.start___signbit_float_~w~0_5 (_ BitVec 32))) (or (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~0_5) (_ bv0 32)) (not (= (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~0_5)) ULTIMATE.start_ceil_float_~x))))} is VALID [2020-07-28 17:54:06,627 INFO L280 TraceCheckUtils]: 9: Hoare triple {1221#(forall ((v_ULTIMATE.start___signbit_float_~w~0_5 (_ BitVec 32))) (or (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~0_5) (_ bv0 32)) (not (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~0_5))))))} assume !!(0bv32 == ceil_float_~ix~0); {1221#(forall ((v_ULTIMATE.start___signbit_float_~w~0_5 (_ BitVec 32))) (or (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~0_5) (_ bv0 32)) (not (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~0_5))))))} is VALID [2020-07-28 17:54:06,629 INFO L280 TraceCheckUtils]: 8: Hoare triple {1221#(forall ((v_ULTIMATE.start___signbit_float_~w~0_5 (_ BitVec 32))) (or (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~0_5) (_ bv0 32)) (not (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~0_5))))))} assume !~bvslt32(ceil_float_~i0~0, 0bv32); {1221#(forall ((v_ULTIMATE.start___signbit_float_~w~0_5 (_ BitVec 32))) (or (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~0_5) (_ bv0 32)) (not (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~0_5))))))} is VALID [2020-07-28 17:54:06,630 INFO L280 TraceCheckUtils]: 7: Hoare triple {1221#(forall ((v_ULTIMATE.start___signbit_float_~w~0_5 (_ BitVec 32))) (or (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~0_5) (_ bv0 32)) (not (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~0_5))))))} assume ~fp.gt~FLOAT(~fp.add~FLOAT(currentRoundingMode, ~huge_ceil~0, ceil_float_~x), ~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE())); {1221#(forall ((v_ULTIMATE.start___signbit_float_~w~0_5 (_ BitVec 32))) (or (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~0_5) (_ bv0 32)) (not (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~0_5))))))} is VALID [2020-07-28 17:54:06,636 INFO L280 TraceCheckUtils]: 6: Hoare triple {1221#(forall ((v_ULTIMATE.start___signbit_float_~w~0_5 (_ BitVec 32))) (or (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~0_5) (_ bv0 32)) (not (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~0_5))))))} assume ~bvslt32(ceil_float_~j0~0, 0bv32); {1221#(forall ((v_ULTIMATE.start___signbit_float_~w~0_5 (_ BitVec 32))) (or (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~0_5) (_ bv0 32)) (not (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~0_5))))))} is VALID [2020-07-28 17:54:06,637 INFO L280 TraceCheckUtils]: 5: Hoare triple {1221#(forall ((v_ULTIMATE.start___signbit_float_~w~0_5 (_ BitVec 32))) (or (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~0_5) (_ bv0 32)) (not (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~0_5))))))} assume ~bvslt32(ceil_float_~j0~0, 23bv32); {1221#(forall ((v_ULTIMATE.start___signbit_float_~w~0_5 (_ BitVec 32))) (or (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~0_5) (_ bv0 32)) (not (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~0_5))))))} is VALID [2020-07-28 17:54:06,638 INFO L280 TraceCheckUtils]: 4: Hoare triple {1221#(forall ((v_ULTIMATE.start___signbit_float_~w~0_5 (_ BitVec 32))) (or (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~0_5) (_ bv0 32)) (not (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~0_5))))))} ceil_float_~ix~0 := ~bvand32(2147483647bv32, ceil_float_~i0~0);ceil_float_~j0~0 := ~bvsub32(~bvlshr32(ceil_float_~ix~0, 23bv32), 127bv32); {1221#(forall ((v_ULTIMATE.start___signbit_float_~w~0_5 (_ BitVec 32))) (or (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~0_5) (_ bv0 32)) (not (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~0_5))))))} is VALID [2020-07-28 17:54:06,638 INFO L280 TraceCheckUtils]: 3: Hoare triple {1221#(forall ((v_ULTIMATE.start___signbit_float_~w~0_5 (_ BitVec 32))) (or (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~0_5) (_ bv0 32)) (not (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~0_5))))))} goto; {1221#(forall ((v_ULTIMATE.start___signbit_float_~w~0_5 (_ BitVec 32))) (or (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~0_5) (_ bv0 32)) (not (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~0_5))))))} is VALID [2020-07-28 17:54:06,642 INFO L280 TraceCheckUtils]: 2: Hoare triple {1214#(forall ((v_ULTIMATE.start___signbit_float_~w~0_5 (_ BitVec 32))) (or (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~0_5) (_ bv0 32)) (not (= (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~0_5)) ULTIMATE.start_ceil_float_~x))))} call ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(ceil_float_~x, ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, 4bv32);call ceil_float_#t~mem0 := read~intINTTYPE4(ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, 4bv32);ceil_float_~i0~0 := ceil_float_#t~mem0;call write~intFLOATTYPE4(ceil_float_#t~union1, ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, 4bv32);havoc ceil_float_#t~union1;havoc ceil_float_#t~mem0;call ULTIMATE.dealloc(ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset);havoc ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset; {1221#(forall ((v_ULTIMATE.start___signbit_float_~w~0_5 (_ BitVec 32))) (or (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~0_5) (_ bv0 32)) (not (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~0_5))))))} is VALID [2020-07-28 17:54:06,643 INFO L280 TraceCheckUtils]: 1: Hoare triple {1113#true} havoc main_#res;havoc main_#t~ret6, main_#t~ret7, main_#t~short8, main_~x~0, main_~res~0;main_~x~0 := ~Pluszero~FLOAT();ceil_float_#in~x := main_~x~0;havoc ceil_float_#res;havoc ceil_float_#t~mem0, ceil_float_#t~union1, ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, ceil_float_#t~mem2, ceil_float_#t~union3, ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset, ceil_float_~x, ceil_float_~i0~0, ceil_float_~j0~0, ceil_float_~i~0, ceil_float_~ix~0;ceil_float_~x := ceil_float_#in~x;havoc ceil_float_~i0~0;havoc ceil_float_~j0~0;havoc ceil_float_~i~0;havoc ceil_float_~ix~0; {1214#(forall ((v_ULTIMATE.start___signbit_float_~w~0_5 (_ BitVec 32))) (or (= (bvand (_ bv2147483648 32) v_ULTIMATE.start___signbit_float_~w~0_5) (_ bv0 32)) (not (= (fp ((_ extract 31 31) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 30 23) v_ULTIMATE.start___signbit_float_~w~0_5) ((_ extract 22 0) v_ULTIMATE.start___signbit_float_~w~0_5)) ULTIMATE.start_ceil_float_~x))))} is VALID [2020-07-28 17:54:06,644 INFO L280 TraceCheckUtils]: 0: Hoare triple {1113#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~huge_ceil~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30)); {1113#true} is VALID [2020-07-28 17:54:06,646 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 17:54:06,647 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1531467806] [2020-07-28 17:54:06,647 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:54:06,647 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 16 [2020-07-28 17:54:06,647 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813702808] [2020-07-28 17:54:06,648 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 21 [2020-07-28 17:54:06,648 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:54:06,649 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 16 states. [2020-07-28 17:54:06,744 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:54:06,744 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-07-28 17:54:06,745 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:54:06,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-07-28 17:54:06,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2020-07-28 17:54:06,746 INFO L87 Difference]: Start difference. First operand 22 states and 21 transitions. Second operand 16 states. [2020-07-28 17:54:07,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:54:07,571 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2020-07-28 17:54:07,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-28 17:54:07,571 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 21 [2020-07-28 17:54:07,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:54:07,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-07-28 17:54:07,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 21 transitions. [2020-07-28 17:54:07,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-07-28 17:54:07,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 21 transitions. [2020-07-28 17:54:07,573 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 21 transitions. [2020-07-28 17:54:07,628 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:54:07,628 INFO L225 Difference]: With dead ends: 22 [2020-07-28 17:54:07,628 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 17:54:07,629 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 24 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2020-07-28 17:54:07,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 17:54:07,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 17:54:07,630 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:54:07,630 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 17:54:07,630 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 17:54:07,630 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 17:54:07,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:54:07,631 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 17:54:07,631 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:54:07,631 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:54:07,631 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:54:07,631 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 17:54:07,631 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 17:54:07,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:54:07,632 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 17:54:07,632 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:54:07,632 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:54:07,632 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:54:07,632 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:54:07,632 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:54:07,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 17:54:07,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 17:54:07,633 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2020-07-28 17:54:07,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:54:07,633 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 17:54:07,633 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-07-28 17:54:07,633 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:54:07,633 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:54:07,834 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-07-28 17:54:07,837 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 17:54:08,118 INFO L268 CegarLoopResult]: For program point L23(lines 23 47) no Hoare annotation was computed. [2020-07-28 17:54:08,118 INFO L271 CegarLoopResult]: At program point L85(lines 68 86) the Hoare annotation is: true [2020-07-28 17:54:08,118 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-07-28 17:54:08,119 INFO L268 CegarLoopResult]: For program point L48(lines 48 52) no Hoare annotation was computed. [2020-07-28 17:54:08,119 INFO L268 CegarLoopResult]: For program point L48-1(lines 13 54) no Hoare annotation was computed. [2020-07-28 17:54:08,119 INFO L268 CegarLoopResult]: For program point L48-2(lines 48 52) no Hoare annotation was computed. [2020-07-28 17:54:08,119 INFO L268 CegarLoopResult]: For program point L36(lines 36 40) no Hoare annotation was computed. [2020-07-28 17:54:08,119 INFO L264 CegarLoopResult]: At program point L65(lines 56 66) the Hoare annotation is: (and (= (_ +zero 8 24) |ULTIMATE.start_ceil_float_#res|) (= (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~0) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~0) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~0)) (_ +zero 8 24)) (= (_ +zero 8 24) ULTIMATE.start_main_~res~0) (exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= (bvadd (bvlshr (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_ceil_float_~j0~0) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24)))) |ULTIMATE.start_main_#t~short8| (= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x) (= |ULTIMATE.start___signbit_float_#res| (_ bv0 32)) (= ULTIMATE.start_ceil_float_~x (_ +zero 8 24)) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0)) ~huge_ceil~0) (exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) ULTIMATE.start_ceil_float_~ix~0) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))))) [2020-07-28 17:54:08,119 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 17:54:08,119 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 17:54:08,119 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 17:54:08,120 INFO L268 CegarLoopResult]: For program point L28(lines 28 30) no Hoare annotation was computed. [2020-07-28 17:54:08,120 INFO L268 CegarLoopResult]: For program point L24(lines 24 41) no Hoare annotation was computed. [2020-07-28 17:54:08,120 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 81) no Hoare annotation was computed. [2020-07-28 17:54:08,120 INFO L264 CegarLoopResult]: At program point L53(lines 13 54) the Hoare annotation is: (and (= ~huge_ceil~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0))) (= (_ +zero 8 24) |ULTIMATE.start_ceil_float_#res|) (exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= (bvadd (bvlshr (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_ceil_float_~j0~0) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24)))) (= ULTIMATE.start_ceil_float_~x (_ +zero 8 24)) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) ULTIMATE.start_ceil_float_~ix~0) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))))) [2020-07-28 17:54:08,120 INFO L268 CegarLoopResult]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2020-07-28 17:54:08,120 INFO L264 CegarLoopResult]: At program point L16-2(lines 16 20) the Hoare annotation is: (and (= ULTIMATE.start_ceil_float_~x (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven) (= ~huge_ceil~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0)))) [2020-07-28 17:54:08,120 INFO L268 CegarLoopResult]: For program point L16-3(lines 16 20) no Hoare annotation was computed. [2020-07-28 17:54:08,120 INFO L268 CegarLoopResult]: For program point L37(lines 37 38) no Hoare annotation was computed. [2020-07-28 17:54:08,121 INFO L268 CegarLoopResult]: For program point L37-2(lines 37 38) no Hoare annotation was computed. [2020-07-28 17:54:08,121 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 17:54:08,121 INFO L268 CegarLoopResult]: For program point L25(lines 25 31) no Hoare annotation was computed. [2020-07-28 17:54:08,121 INFO L268 CegarLoopResult]: For program point L34(lines 34 35) no Hoare annotation was computed. [2020-07-28 17:54:08,121 INFO L268 CegarLoopResult]: For program point L26(lines 26 30) no Hoare annotation was computed. [2020-07-28 17:54:08,121 INFO L268 CegarLoopResult]: For program point L59-1(lines 59 63) no Hoare annotation was computed. [2020-07-28 17:54:08,121 INFO L264 CegarLoopResult]: At program point L59-2(lines 59 63) the Hoare annotation is: (and (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0)) ~huge_ceil~0) (= (_ +zero 8 24) |ULTIMATE.start_ceil_float_#res|) (= (_ +zero 8 24) ULTIMATE.start_main_~res~0) (exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= (bvadd (bvlshr (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_ceil_float_~j0~0) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24)))) |ULTIMATE.start_main_#t~short8| (= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x) (= ULTIMATE.start_ceil_float_~x (_ +zero 8 24)) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) ULTIMATE.start_ceil_float_~ix~0) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))))) [2020-07-28 17:54:08,121 INFO L268 CegarLoopResult]: For program point L59-3(lines 59 63) no Hoare annotation was computed. [2020-07-28 17:54:08,121 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-07-28 17:54:08,122 INFO L268 CegarLoopResult]: For program point L80-2(lines 80 83) no Hoare annotation was computed. [2020-07-28 17:54:08,122 INFO L268 CegarLoopResult]: For program point L43(lines 43 46) no Hoare annotation was computed. [2020-07-28 17:54:08,125 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 17:54:08,125 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 17:54:08,125 WARN L170 areAnnotationChecker]: L16-1 has no Hoare annotation [2020-07-28 17:54:08,125 WARN L170 areAnnotationChecker]: L16-3 has no Hoare annotation [2020-07-28 17:54:08,125 WARN L170 areAnnotationChecker]: L16-1 has no Hoare annotation [2020-07-28 17:54:08,125 WARN L170 areAnnotationChecker]: L16-1 has no Hoare annotation [2020-07-28 17:54:08,126 WARN L170 areAnnotationChecker]: L16-3 has no Hoare annotation [2020-07-28 17:54:08,126 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-28 17:54:08,126 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-28 17:54:08,126 WARN L170 areAnnotationChecker]: L24 has no Hoare annotation [2020-07-28 17:54:08,126 WARN L170 areAnnotationChecker]: L24 has no Hoare annotation [2020-07-28 17:54:08,126 WARN L170 areAnnotationChecker]: L43 has no Hoare annotation [2020-07-28 17:54:08,126 WARN L170 areAnnotationChecker]: L43 has no Hoare annotation [2020-07-28 17:54:08,126 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-28 17:54:08,127 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-28 17:54:08,127 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-28 17:54:08,127 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-28 17:54:08,127 WARN L170 areAnnotationChecker]: L80 has no Hoare annotation [2020-07-28 17:54:08,127 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-28 17:54:08,127 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-28 17:54:08,127 WARN L170 areAnnotationChecker]: L48-1 has no Hoare annotation [2020-07-28 17:54:08,127 WARN L170 areAnnotationChecker]: L48-1 has no Hoare annotation [2020-07-28 17:54:08,127 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2020-07-28 17:54:08,128 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2020-07-28 17:54:08,128 WARN L170 areAnnotationChecker]: L80 has no Hoare annotation [2020-07-28 17:54:08,128 WARN L170 areAnnotationChecker]: L80 has no Hoare annotation [2020-07-28 17:54:08,128 WARN L170 areAnnotationChecker]: L28 has no Hoare annotation [2020-07-28 17:54:08,128 WARN L170 areAnnotationChecker]: L28 has no Hoare annotation [2020-07-28 17:54:08,128 WARN L170 areAnnotationChecker]: L48 has no Hoare annotation [2020-07-28 17:54:08,128 WARN L170 areAnnotationChecker]: L48 has no Hoare annotation [2020-07-28 17:54:08,128 WARN L170 areAnnotationChecker]: L48-2 has no Hoare annotation [2020-07-28 17:54:08,128 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2020-07-28 17:54:08,128 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2020-07-28 17:54:08,129 WARN L170 areAnnotationChecker]: L59-1 has no Hoare annotation [2020-07-28 17:54:08,129 WARN L170 areAnnotationChecker]: L59-3 has no Hoare annotation [2020-07-28 17:54:08,129 WARN L170 areAnnotationChecker]: L80-2 has no Hoare annotation [2020-07-28 17:54:08,129 WARN L170 areAnnotationChecker]: L80-2 has no Hoare annotation [2020-07-28 17:54:08,129 WARN L170 areAnnotationChecker]: L37-2 has no Hoare annotation [2020-07-28 17:54:08,129 WARN L170 areAnnotationChecker]: L59-1 has no Hoare annotation [2020-07-28 17:54:08,129 WARN L170 areAnnotationChecker]: L59-1 has no Hoare annotation [2020-07-28 17:54:08,129 WARN L170 areAnnotationChecker]: L59-3 has no Hoare annotation [2020-07-28 17:54:08,129 WARN L170 areAnnotationChecker]: L81 has no Hoare annotation [2020-07-28 17:54:08,130 WARN L170 areAnnotationChecker]: L81 has no Hoare annotation [2020-07-28 17:54:08,130 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:54:08,130 WARN L170 areAnnotationChecker]: L80-2 has no Hoare annotation [2020-07-28 17:54:08,130 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:54:08,130 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 17:54:08,134 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,135 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,135 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,135 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,136 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:54:08,136 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,136 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,137 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,137 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,139 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:54:08,139 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:54:08,140 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:54:08,143 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,143 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,143 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,144 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,144 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:54:08,144 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,145 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,145 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,145 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,145 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:54:08,146 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:54:08,146 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:54:08,148 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,148 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,148 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,149 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,149 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:54:08,150 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,150 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,150 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,150 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,151 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:54:08,152 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:54:08,152 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:54:08,153 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,153 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,153 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,154 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,154 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:54:08,155 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,155 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,155 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,155 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,156 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:54:08,156 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:54:08,157 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:54:08,158 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:54:08,158 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:54:08,158 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:54:08,159 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:54:08,159 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:54:08,160 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:54:08,160 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:54:08,160 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:54:08,161 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,161 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,162 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:54:08,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,164 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:54:08,164 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:54:08,165 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:54:08,166 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,166 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,167 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,167 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,167 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:54:08,168 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,168 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,168 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,168 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,169 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:54:08,169 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:54:08,170 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:54:08,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 05:54:08 BoogieIcfgContainer [2020-07-28 17:54:08,173 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 17:54:08,173 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 17:54:08,173 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 17:54:08,174 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 17:54:08,174 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:53:58" (3/4) ... [2020-07-28 17:54:08,178 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 17:54:08,189 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-07-28 17:54:08,190 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-07-28 17:54:08,190 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 17:54:08,220 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((huge_ceil == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) && ~Pluszero~LONGDOUBLE() == \result) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE())) && x == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0) == ix && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE()) [2020-07-28 17:54:08,221 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) == huge_ceil && ~Pluszero~LONGDOUBLE() == \result) && ~Pluszero~LONGDOUBLE() == res) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE())) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == x) && x == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0) == ix && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE()) [2020-07-28 17:54:08,221 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((~Pluszero~LONGDOUBLE() == \result && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == res) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE())) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == x) && \result == 0bv32) && x == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) == huge_ceil) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0) == ix && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE()) [2020-07-28 17:54:08,262 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 17:54:08,262 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 17:54:08,264 INFO L168 Benchmark]: Toolchain (without parser) took 10866.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 208.1 MB). Free memory was 961.6 MB in the beginning and 867.1 MB in the end (delta: 94.5 MB). Peak memory consumption was 302.6 MB. Max. memory is 11.5 GB. [2020-07-28 17:54:08,264 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:54:08,265 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -178.8 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2020-07-28 17:54:08,265 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.07 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2020-07-28 17:54:08,266 INFO L168 Benchmark]: Boogie Preprocessor took 37.25 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 17:54:08,266 INFO L168 Benchmark]: RCFGBuilder took 769.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 11.5 GB. [2020-07-28 17:54:08,267 INFO L168 Benchmark]: TraceAbstraction took 9540.95 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 57.7 MB). Free memory was 1.1 GB in the beginning and 867.1 MB in the end (delta: 235.8 MB). Peak memory consumption was 293.5 MB. Max. memory is 11.5 GB. [2020-07-28 17:54:08,267 INFO L168 Benchmark]: Witness Printer took 89.18 ms. Allocated memory is still 1.2 GB. Free memory is still 867.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:54:08,270 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 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 358.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -178.8 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 62.07 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.25 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 769.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9540.95 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 57.7 MB). Free memory was 1.1 GB in the beginning and 867.1 MB in the end (delta: 235.8 MB). Peak memory consumption was 293.5 MB. Max. memory is 11.5 GB. * Witness Printer took 89.18 ms. Allocated memory is still 1.2 GB. Free memory is still 867.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_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[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_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[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_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[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_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[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_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[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_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[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 81]: 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 17:54:08,288 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,289 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,289 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,289 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,290 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:54:08,290 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,290 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,291 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,291 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,291 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:54:08,292 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:54:08,292 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:54:08,293 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,293 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,293 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,294 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,294 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:54:08,294 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,295 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,295 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,295 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,296 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:54:08,296 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:54:08,296 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((((huge_ceil == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) && ~Pluszero~LONGDOUBLE() == \result) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE())) && x == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0) == ix && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant [2020-07-28 17:54:08,297 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,298 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,298 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,298 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,299 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:54:08,299 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,299 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,299 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,300 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,300 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:54:08,301 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:54:08,301 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:54:08,301 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,302 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,302 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,302 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,303 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:54:08,303 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,303 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,304 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,304 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,304 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:54:08,305 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:54:08,305 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((((((((~Pluszero~LONGDOUBLE() == \result && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == res) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE())) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == x) && \result == 0bv32) && x == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) == huge_ceil) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0) == ix && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 16]: Loop Invariant [2020-07-28 17:54:08,306 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:54:08,306 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:54:08,306 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:54:08,307 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:54:08,307 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:54:08,307 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:54:08,308 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:54:08,308 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (x == ~Pluszero~LONGDOUBLE() && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && huge_ceil == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) - InvariantResult [Line: 59]: Loop Invariant [2020-07-28 17:54:08,308 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,309 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,309 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,309 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,310 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:54:08,310 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,310 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,310 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,311 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,311 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:54:08,311 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:54:08,311 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:54:08,312 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,312 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,312 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,313 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,313 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-07-28 17:54:08,313 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,313 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,313 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,313 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2020-07-28 17:54:08,314 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:54:08,314 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-07-28 17:54:08,314 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) == huge_ceil && ~Pluszero~LONGDOUBLE() == \result) && ~Pluszero~LONGDOUBLE() == res) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE())) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == x) && x == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0) == ix && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE()) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.1s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 111 SDtfs, 284 SDslu, 128 SDs, 0 SdLazy, 144 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 185 GetRequests, 127 SyntacticMatches, 6 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred 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: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 227 HoareAnnotationTreeSize, 5 FomulaSimplifications, 195 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 170 ConstructedInterpolants, 22 QuantifiedInterpolants, 17102 SizeOfPredicates, 40 NumberOfNonLiveVariables, 241 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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...