./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/float-newlib/float_req_bl_0270a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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 /storage/repos/svcomp/c/float-newlib/float_req_bl_0270a_true-unreach-call.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 80f5f1ccd9454019e5b231b920d368e18867583c ........................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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 /storage/repos/svcomp/c/float-newlib/float_req_bl_0270a_true-unreach-call.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 80f5f1ccd9454019e5b231b920d368e18867583c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-12 09:10:14,376 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 09:10:14,378 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 09:10:14,392 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 09:10:14,392 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 09:10:14,393 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 09:10:14,394 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 09:10:14,396 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 09:10:14,398 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 09:10:14,399 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 09:10:14,400 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 09:10:14,400 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 09:10:14,401 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 09:10:14,402 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 09:10:14,403 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 09:10:14,404 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 09:10:14,405 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 09:10:14,407 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 09:10:14,409 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 09:10:14,410 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 09:10:14,412 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 09:10:14,413 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 09:10:14,416 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 09:10:14,416 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 09:10:14,416 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 09:10:14,417 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 09:10:14,418 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 09:10:14,419 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 09:10:14,420 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 09:10:14,421 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 09:10:14,422 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 09:10:14,422 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 09:10:14,423 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 09:10:14,423 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 09:10:14,424 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 09:10:14,425 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 09:10:14,425 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 09:10:14,452 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 09:10:14,452 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 09:10:14,453 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 09:10:14,454 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 09:10:14,454 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 09:10:14,455 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 09:10:14,455 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 09:10:14,455 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 09:10:14,455 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 09:10:14,455 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 09:10:14,456 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 09:10:14,456 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 09:10:14,456 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 09:10:14,456 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 09:10:14,456 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 09:10:14,456 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 09:10:14,458 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 09:10:14,458 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 09:10:14,459 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 09:10:14,459 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 09:10:14,459 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 09:10:14,459 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:10:14,460 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 09:10:14,460 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 09:10:14,460 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 09:10:14,460 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 09:10:14,460 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 09:10:14,461 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 09:10:14,461 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 -> 80f5f1ccd9454019e5b231b920d368e18867583c [2019-01-12 09:10:14,499 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 09:10:14,513 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 09:10:14,519 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 09:10:14,521 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 09:10:14,521 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 09:10:14,522 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/float_req_bl_0270a_true-unreach-call.c [2019-01-12 09:10:14,596 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/683d5701f/5a46094e1bed493a8d30a9fef2eee85c/FLAGb5c3fbdae [2019-01-12 09:10:15,017 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 09:10:15,018 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/float_req_bl_0270a_true-unreach-call.c [2019-01-12 09:10:15,027 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/683d5701f/5a46094e1bed493a8d30a9fef2eee85c/FLAGb5c3fbdae [2019-01-12 09:10:15,403 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/683d5701f/5a46094e1bed493a8d30a9fef2eee85c [2019-01-12 09:10:15,407 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 09:10:15,409 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 09:10:15,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 09:10:15,411 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 09:10:15,418 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 09:10:15,419 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:10:15" (1/1) ... [2019-01-12 09:10:15,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@421e8780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:15, skipping insertion in model container [2019-01-12 09:10:15,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:10:15" (1/1) ... [2019-01-12 09:10:15,433 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 09:10:15,477 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 09:10:15,773 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:10:15,789 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 09:10:15,844 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:10:15,866 INFO L195 MainTranslator]: Completed translation [2019-01-12 09:10:15,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:15 WrapperNode [2019-01-12 09:10:15,867 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 09:10:15,868 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 09:10:15,868 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 09:10:15,868 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 09:10:15,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:15" (1/1) ... [2019-01-12 09:10:15,954 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:15" (1/1) ... [2019-01-12 09:10:15,994 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 09:10:15,995 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 09:10:15,995 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 09:10:15,995 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 09:10:16,009 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:15" (1/1) ... [2019-01-12 09:10:16,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:15" (1/1) ... [2019-01-12 09:10:16,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:15" (1/1) ... [2019-01-12 09:10:16,024 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:15" (1/1) ... [2019-01-12 09:10:16,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:15" (1/1) ... [2019-01-12 09:10:16,070 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:15" (1/1) ... [2019-01-12 09:10:16,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:15" (1/1) ... [2019-01-12 09:10:16,083 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 09:10:16,087 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 09:10:16,087 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 09:10:16,087 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 09:10:16,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:15" (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 [2019-01-12 09:10:16,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 09:10:16,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-01-12 09:10:16,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-12 09:10:16,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-01-12 09:10:16,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 09:10:16,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 09:10:16,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-12 09:10:16,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-12 09:10:17,025 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 09:10:17,026 INFO L286 CfgBuilder]: Removed 30 assue(true) statements. [2019-01-12 09:10:17,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:10:17 BoogieIcfgContainer [2019-01-12 09:10:17,027 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 09:10:17,028 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 09:10:17,029 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 09:10:17,032 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 09:10:17,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 09:10:15" (1/3) ... [2019-01-12 09:10:17,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fbfb7d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:10:17, skipping insertion in model container [2019-01-12 09:10:17,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:15" (2/3) ... [2019-01-12 09:10:17,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fbfb7d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:10:17, skipping insertion in model container [2019-01-12 09:10:17,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:10:17" (3/3) ... [2019-01-12 09:10:17,036 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270a_true-unreach-call.c [2019-01-12 09:10:17,046 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 09:10:17,054 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 09:10:17,071 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 09:10:17,103 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 09:10:17,104 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 09:10:17,104 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 09:10:17,104 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 09:10:17,104 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 09:10:17,105 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 09:10:17,105 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 09:10:17,105 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 09:10:17,105 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 09:10:17,122 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2019-01-12 09:10:17,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-01-12 09:10:17,129 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:10:17,130 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:10:17,132 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:10:17,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:10:17,138 INFO L82 PathProgramCache]: Analyzing trace with hash -1900514974, now seen corresponding path program 1 times [2019-01-12 09:10:17,140 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 09:10:17,141 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 09:10:17,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:10:17,184 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:10:17,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:10:17,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:10:17,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:10:17,279 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:10:17,280 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 09:10:17,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 09:10:17,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 09:10:17,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:10:17,301 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 2 states. [2019-01-12 09:10:17,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:10:17,322 INFO L93 Difference]: Finished difference Result 118 states and 192 transitions. [2019-01-12 09:10:17,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 09:10:17,324 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-01-12 09:10:17,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:10:17,335 INFO L225 Difference]: With dead ends: 118 [2019-01-12 09:10:17,336 INFO L226 Difference]: Without dead ends: 57 [2019-01-12 09:10:17,339 INFO L631 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 [2019-01-12 09:10:17,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-01-12 09:10:17,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-01-12 09:10:17,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-01-12 09:10:17,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 75 transitions. [2019-01-12 09:10:17,390 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 75 transitions. Word has length 9 [2019-01-12 09:10:17,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:10:17,391 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 75 transitions. [2019-01-12 09:10:17,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 09:10:17,391 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2019-01-12 09:10:17,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-01-12 09:10:17,392 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:10:17,392 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:10:17,392 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:10:17,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:10:17,394 INFO L82 PathProgramCache]: Analyzing trace with hash 1487835839, now seen corresponding path program 1 times [2019-01-12 09:10:17,394 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 09:10:17,394 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 09:10:17,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:10:17,396 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:10:17,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:10:17,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 09:10:17,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 09:10:17,476 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-12 09:10:17,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 09:10:17 BoogieIcfgContainer [2019-01-12 09:10:17,514 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 09:10:17,514 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 09:10:17,514 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 09:10:17,515 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 09:10:17,515 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:10:17" (3/4) ... [2019-01-12 09:10:17,519 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-12 09:10:17,520 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 09:10:17,521 INFO L168 Benchmark]: Toolchain (without parser) took 2113.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -118.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-01-12 09:10:17,523 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:10:17,523 INFO L168 Benchmark]: CACSL2BoogieTranslator took 456.85 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 932.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-01-12 09:10:17,524 INFO L168 Benchmark]: Boogie Procedure Inliner took 126.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -192.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2019-01-12 09:10:17,525 INFO L168 Benchmark]: Boogie Preprocessor took 92.21 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. [2019-01-12 09:10:17,526 INFO L168 Benchmark]: RCFGBuilder took 940.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 37.3 MB). Peak memory consumption was 37.3 MB. Max. memory is 11.5 GB. [2019-01-12 09:10:17,527 INFO L168 Benchmark]: TraceAbstraction took 485.25 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: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2019-01-12 09:10:17,527 INFO L168 Benchmark]: Witness Printer took 5.67 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. [2019-01-12 09:10:17,533 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 456.85 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 932.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 126.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -192.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 92.21 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 940.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 37.3 MB). Peak memory consumption was 37.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 485.25 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: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * Witness Printer took 5.67 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 198]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 197, overapproximation of someUnaryDOUBLEoperation at line 111, overapproximation of bitwiseAnd at line 125, overapproximation of someUnaryFLOAToperation at line 193, overapproximation of someBinaryArithmeticFLOAToperation at line 128. Possible FailurePath: [L24] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L107-L115] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L193] float x = -0.0f; [L118] float t, w, p, q, c, r, s; [L119] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L121] ieee_float_shape_type gf_u; [L122] gf_u.value = (x) [L123] EXPR gf_u.word [L123] (hx) = gf_u.word [L125] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L126] COND TRUE ix == 0x3f800000 [L128] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L194] float res = __ieee754_asinf(x); [L197] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L197] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L198] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 60 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 78 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=60occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: 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 0.1.24-0ed9222-m [2019-01-12 09:10:19,860 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 09:10:19,862 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 09:10:19,877 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 09:10:19,878 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 09:10:19,880 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 09:10:19,883 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 09:10:19,885 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 09:10:19,888 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 09:10:19,890 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 09:10:19,893 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 09:10:19,894 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 09:10:19,895 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 09:10:19,898 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 09:10:19,901 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 09:10:19,902 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 09:10:19,903 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 09:10:19,908 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 09:10:19,918 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 09:10:19,920 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 09:10:19,923 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 09:10:19,925 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 09:10:19,929 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 09:10:19,929 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 09:10:19,929 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 09:10:19,934 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 09:10:19,936 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 09:10:19,938 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 09:10:19,939 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 09:10:19,941 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 09:10:19,943 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 09:10:19,944 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 09:10:19,944 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 09:10:19,944 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 09:10:19,946 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 09:10:19,947 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 09:10:19,947 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-01-12 09:10:19,964 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 09:10:19,965 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 09:10:19,966 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 09:10:19,966 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 09:10:19,970 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 09:10:19,970 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 09:10:19,970 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 09:10:19,971 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 09:10:19,972 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 09:10:19,972 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 09:10:19,972 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 09:10:19,972 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 09:10:19,972 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-12 09:10:19,972 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-12 09:10:19,973 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 09:10:19,973 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 09:10:19,973 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 09:10:19,973 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 09:10:19,973 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 09:10:19,974 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 09:10:19,976 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 09:10:19,977 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 09:10:19,977 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:10:19,977 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 09:10:19,977 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 09:10:19,977 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 09:10:19,978 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-12 09:10:19,978 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 09:10:19,978 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-12 09:10:19,978 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2019-01-12 09:10:19,978 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 -> 80f5f1ccd9454019e5b231b920d368e18867583c [2019-01-12 09:10:20,046 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 09:10:20,063 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 09:10:20,067 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 09:10:20,069 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 09:10:20,070 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 09:10:20,070 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/float_req_bl_0270a_true-unreach-call.c [2019-01-12 09:10:20,119 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/347ed60d3/0351ae6f26a04d9a89ca72f835501aa9/FLAG67ce4d17d [2019-01-12 09:10:20,567 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 09:10:20,568 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/float_req_bl_0270a_true-unreach-call.c [2019-01-12 09:10:20,577 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/347ed60d3/0351ae6f26a04d9a89ca72f835501aa9/FLAG67ce4d17d [2019-01-12 09:10:20,935 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/347ed60d3/0351ae6f26a04d9a89ca72f835501aa9 [2019-01-12 09:10:20,938 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 09:10:20,940 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 09:10:20,941 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 09:10:20,941 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 09:10:20,944 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 09:10:20,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:10:20" (1/1) ... [2019-01-12 09:10:20,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f42083e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:20, skipping insertion in model container [2019-01-12 09:10:20,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:10:20" (1/1) ... [2019-01-12 09:10:20,957 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 09:10:20,997 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 09:10:21,360 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:10:21,368 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 09:10:21,450 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:10:21,482 INFO L195 MainTranslator]: Completed translation [2019-01-12 09:10:21,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:21 WrapperNode [2019-01-12 09:10:21,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 09:10:21,484 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 09:10:21,485 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 09:10:21,485 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 09:10:21,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:21" (1/1) ... [2019-01-12 09:10:21,579 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:21" (1/1) ... [2019-01-12 09:10:21,618 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 09:10:21,618 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 09:10:21,618 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 09:10:21,619 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 09:10:21,630 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:21" (1/1) ... [2019-01-12 09:10:21,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:21" (1/1) ... [2019-01-12 09:10:21,638 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:21" (1/1) ... [2019-01-12 09:10:21,639 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:21" (1/1) ... [2019-01-12 09:10:21,657 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:21" (1/1) ... [2019-01-12 09:10:21,665 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:21" (1/1) ... [2019-01-12 09:10:21,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:21" (1/1) ... [2019-01-12 09:10:21,676 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 09:10:21,676 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 09:10:21,676 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 09:10:21,677 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 09:10:21,678 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:21" (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 [2019-01-12 09:10:21,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 09:10:21,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-01-12 09:10:21,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-01-12 09:10:21,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 09:10:21,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 09:10:21,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-01-12 09:10:21,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-12 09:10:21,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-12 09:10:22,065 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:10:25,072 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:10:27,259 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:10:30,008 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:10:32,247 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:10:32,263 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 09:10:32,263 INFO L286 CfgBuilder]: Removed 30 assue(true) statements. [2019-01-12 09:10:32,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:10:32 BoogieIcfgContainer [2019-01-12 09:10:32,265 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 09:10:32,266 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 09:10:32,266 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 09:10:32,269 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 09:10:32,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 09:10:20" (1/3) ... [2019-01-12 09:10:32,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30f09f99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:10:32, skipping insertion in model container [2019-01-12 09:10:32,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:10:21" (2/3) ... [2019-01-12 09:10:32,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30f09f99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:10:32, skipping insertion in model container [2019-01-12 09:10:32,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:10:32" (3/3) ... [2019-01-12 09:10:32,272 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270a_true-unreach-call.c [2019-01-12 09:10:32,280 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 09:10:32,287 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 09:10:32,306 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 09:10:32,335 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 09:10:32,336 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 09:10:32,336 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 09:10:32,336 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 09:10:32,336 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 09:10:32,336 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 09:10:32,337 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 09:10:32,337 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 09:10:32,337 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 09:10:32,351 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2019-01-12 09:10:32,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-01-12 09:10:32,358 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:10:32,358 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:10:32,360 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:10:32,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:10:32,367 INFO L82 PathProgramCache]: Analyzing trace with hash -1900514974, now seen corresponding path program 1 times [2019-01-12 09:10:32,371 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:10:32,372 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy 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 [2019-01-12 09:10:32,378 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:10:32,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:10:32,644 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:10:32,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:10:32,655 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:10:32,668 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:10:32,668 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 09:10:32,671 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 09:10:32,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 09:10:32,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:10:32,684 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 2 states. [2019-01-12 09:10:32,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:10:32,706 INFO L93 Difference]: Finished difference Result 118 states and 192 transitions. [2019-01-12 09:10:32,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 09:10:32,707 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-01-12 09:10:32,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:10:32,719 INFO L225 Difference]: With dead ends: 118 [2019-01-12 09:10:32,719 INFO L226 Difference]: Without dead ends: 57 [2019-01-12 09:10:32,722 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:10:32,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-01-12 09:10:32,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-01-12 09:10:32,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-01-12 09:10:32,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 75 transitions. [2019-01-12 09:10:32,759 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 75 transitions. Word has length 9 [2019-01-12 09:10:32,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:10:32,759 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 75 transitions. [2019-01-12 09:10:32,759 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 09:10:32,760 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2019-01-12 09:10:32,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-01-12 09:10:32,760 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:10:32,761 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:10:32,761 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:10:32,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:10:32,761 INFO L82 PathProgramCache]: Analyzing trace with hash 1487835839, now seen corresponding path program 1 times [2019-01-12 09:10:32,762 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:10:32,762 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy 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 [2019-01-12 09:10:32,770 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:10:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:10:32,962 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:10:33,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:10:33,059 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:10:33,075 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:10:33,076 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-12 09:10:33,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 09:10:33,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 09:10:33,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 09:10:33,080 INFO L87 Difference]: Start difference. First operand 57 states and 75 transitions. Second operand 5 states. [2019-01-12 09:10:34,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:10:34,539 INFO L93 Difference]: Finished difference Result 104 states and 135 transitions. [2019-01-12 09:10:34,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-12 09:10:34,540 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2019-01-12 09:10:34,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:10:34,542 INFO L225 Difference]: With dead ends: 104 [2019-01-12 09:10:34,542 INFO L226 Difference]: Without dead ends: 57 [2019-01-12 09:10:34,543 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-01-12 09:10:34,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-01-12 09:10:34,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-01-12 09:10:34,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-01-12 09:10:34,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 69 transitions. [2019-01-12 09:10:34,562 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 69 transitions. Word has length 10 [2019-01-12 09:10:34,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:10:34,562 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 69 transitions. [2019-01-12 09:10:34,563 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 09:10:34,563 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2019-01-12 09:10:34,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-01-12 09:10:34,563 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:10:34,564 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:10:34,565 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:10:34,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:10:34,566 INFO L82 PathProgramCache]: Analyzing trace with hash 1089938183, now seen corresponding path program 1 times [2019-01-12 09:10:34,566 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:10:34,566 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy 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) [2019-01-12 09:10:34,578 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-01-12 09:10:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:10:34,655 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:10:34,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:10:34,795 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:10:34,805 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:10:34,806 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-12 09:10:34,806 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 09:10:34,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 09:10:34,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 09:10:34,807 INFO L87 Difference]: Start difference. First operand 57 states and 69 transitions. Second operand 5 states. [2019-01-12 09:10:35,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:10:35,221 INFO L93 Difference]: Finished difference Result 69 states and 80 transitions. [2019-01-12 09:10:35,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-12 09:10:35,222 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2019-01-12 09:10:35,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:10:35,223 INFO L225 Difference]: With dead ends: 69 [2019-01-12 09:10:35,224 INFO L226 Difference]: Without dead ends: 66 [2019-01-12 09:10:35,226 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-01-12 09:10:35,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2019-01-12 09:10:35,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 59. [2019-01-12 09:10:35,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-01-12 09:10:35,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 71 transitions. [2019-01-12 09:10:35,248 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 71 transitions. Word has length 14 [2019-01-12 09:10:35,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:10:35,249 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 71 transitions. [2019-01-12 09:10:35,249 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 09:10:35,250 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2019-01-12 09:10:35,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-01-12 09:10:35,252 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:10:35,253 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:10:35,253 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:10:35,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:10:35,254 INFO L82 PathProgramCache]: Analyzing trace with hash 980104924, now seen corresponding path program 1 times [2019-01-12 09:10:35,255 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:10:35,256 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy 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) [2019-01-12 09:10:35,263 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-01-12 09:10:35,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:10:35,354 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:10:35,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:10:35,744 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:10:35,754 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:10:35,754 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-01-12 09:10:35,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-12 09:10:35,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-12 09:10:35,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-01-12 09:10:35,755 INFO L87 Difference]: Start difference. First operand 59 states and 71 transitions. Second operand 9 states. [2019-01-12 09:10:36,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:10:36,393 INFO L93 Difference]: Finished difference Result 66 states and 77 transitions. [2019-01-12 09:10:36,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-12 09:10:36,394 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2019-01-12 09:10:36,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:10:36,395 INFO L225 Difference]: With dead ends: 66 [2019-01-12 09:10:36,395 INFO L226 Difference]: Without dead ends: 57 [2019-01-12 09:10:36,396 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2019-01-12 09:10:36,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-01-12 09:10:36,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-01-12 09:10:36,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-01-12 09:10:36,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 68 transitions. [2019-01-12 09:10:36,406 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 68 transitions. Word has length 18 [2019-01-12 09:10:36,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:10:36,406 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 68 transitions. [2019-01-12 09:10:36,406 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-12 09:10:36,406 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 68 transitions. [2019-01-12 09:10:36,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-01-12 09:10:36,408 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:10:36,408 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:10:36,408 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:10:36,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:10:36,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1296197232, now seen corresponding path program 1 times [2019-01-12 09:10:36,409 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:10:36,409 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy 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 [2019-01-12 09:10:36,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:10:37,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:10:38,095 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:10:38,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:10:38,160 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:10:38,199 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:10:38,199 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 09:10:38,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-12 09:10:38,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-12 09:10:38,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-12 09:10:38,200 INFO L87 Difference]: Start difference. First operand 57 states and 68 transitions. Second operand 4 states. [2019-01-12 09:10:38,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:10:38,224 INFO L93 Difference]: Finished difference Result 57 states and 68 transitions. [2019-01-12 09:10:38,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-12 09:10:38,227 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2019-01-12 09:10:38,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:10:38,228 INFO L225 Difference]: With dead ends: 57 [2019-01-12 09:10:38,228 INFO L226 Difference]: Without dead ends: 0 [2019-01-12 09:10:38,229 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-12 09:10:38,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-12 09:10:38,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-12 09:10:38,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-12 09:10:38,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-12 09:10:38,231 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2019-01-12 09:10:38,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:10:38,232 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-12 09:10:38,232 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-12 09:10:38,232 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-12 09:10:38,232 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-12 09:10:38,237 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-12 09:10:38,588 INFO L448 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2019-01-12 09:10:38,589 INFO L444 ceAbstractionStarter]: At program point L85-2(lines 85 89) the Hoare annotation is: false [2019-01-12 09:10:38,589 INFO L448 ceAbstractionStarter]: For program point L85-3(lines 85 89) no Hoare annotation was computed. [2019-01-12 09:10:38,589 INFO L448 ceAbstractionStarter]: For program point L168(lines 168 172) no Hoare annotation was computed. [2019-01-12 09:10:38,589 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 160 178) no Hoare annotation was computed. [2019-01-12 09:10:38,589 INFO L448 ceAbstractionStarter]: For program point L168-2(lines 168 172) no Hoare annotation was computed. [2019-01-12 09:10:38,589 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-12 09:10:38,590 INFO L451 ceAbstractionStarter]: At program point L202(lines 185 203) the Hoare annotation is: true [2019-01-12 09:10:38,590 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 120 124) no Hoare annotation was computed. [2019-01-12 09:10:38,590 INFO L444 ceAbstractionStarter]: At program point L120-2(lines 120 124) the Hoare annotation is: (and (= (fp.neg (_ +zero 8 24)) ULTIMATE.start___ieee754_asinf_~x) (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) [2019-01-12 09:10:38,590 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 55) no Hoare annotation was computed. [2019-01-12 09:10:38,590 INFO L448 ceAbstractionStarter]: For program point L120-3(lines 120 124) no Hoare annotation was computed. [2019-01-12 09:10:38,591 INFO L444 ceAbstractionStarter]: At program point L21(lines 12 22) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= .cse0 ULTIMATE.start___ieee754_asinf_~x) (= (_ bv1 32) |ULTIMATE.start___signbit_float_#res|) (= .cse0 |ULTIMATE.start___ieee754_asinf_#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)) .cse0) |ULTIMATE.start_main_#t~short21| (= ULTIMATE.start_main_~res~0 .cse0) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) .cse0) (= ULTIMATE.start___signbit_float_~x .cse0) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1) ULTIMATE.start___ieee754_asinf_~ix~2) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) (fp.neg (_ +zero 8 24))))))) [2019-01-12 09:10:38,592 INFO L448 ceAbstractionStarter]: For program point L54-2(lines 54 55) no Hoare annotation was computed. [2019-01-12 09:10:38,592 INFO L444 ceAbstractionStarter]: At program point L104(lines 92 105) the Hoare annotation is: false [2019-01-12 09:10:38,592 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 39) no Hoare annotation was computed. [2019-01-12 09:10:38,592 INFO L448 ceAbstractionStarter]: For program point L73(lines 73 82) no Hoare annotation was computed. [2019-01-12 09:10:38,592 INFO L444 ceAbstractionStarter]: At program point L90(lines 26 91) the Hoare annotation is: false [2019-01-12 09:10:38,592 INFO L448 ceAbstractionStarter]: For program point L41(lines 41 42) no Hoare annotation was computed. [2019-01-12 09:10:38,592 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-12 09:10:38,593 INFO L448 ceAbstractionStarter]: For program point L157(lines 157 178) no Hoare annotation was computed. [2019-01-12 09:10:38,593 INFO L448 ceAbstractionStarter]: For program point L157-2(lines 117 183) no Hoare annotation was computed. [2019-01-12 09:10:38,593 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-01-12 09:10:38,593 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 198) no Hoare annotation was computed. [2019-01-12 09:10:38,593 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 44) no Hoare annotation was computed. [2019-01-12 09:10:38,593 INFO L448 ceAbstractionStarter]: For program point L126(lines 126 146) no Hoare annotation was computed. [2019-01-12 09:10:38,593 INFO L448 ceAbstractionStarter]: For program point L77(lines 77 80) no Hoare annotation was computed. [2019-01-12 09:10:38,594 INFO L448 ceAbstractionStarter]: For program point L94-1(lines 94 98) no Hoare annotation was computed. [2019-01-12 09:10:38,596 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-12 09:10:38,596 INFO L444 ceAbstractionStarter]: At program point L94-2(lines 94 98) the Hoare annotation is: false [2019-01-12 09:10:38,596 INFO L444 ceAbstractionStarter]: At program point L62-2(lines 62 71) the Hoare annotation is: false [2019-01-12 09:10:38,596 INFO L448 ceAbstractionStarter]: For program point L62-3(lines 26 91) no Hoare annotation was computed. [2019-01-12 09:10:38,597 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 146) no Hoare annotation was computed. [2019-01-12 09:10:38,598 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 51) no Hoare annotation was computed. [2019-01-12 09:10:38,598 INFO L448 ceAbstractionStarter]: For program point L47-2(lines 47 51) no Hoare annotation was computed. [2019-01-12 09:10:38,598 INFO L448 ceAbstractionStarter]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2019-01-12 09:10:38,598 INFO L444 ceAbstractionStarter]: At program point L163-2(lines 163 167) the Hoare annotation is: false [2019-01-12 09:10:38,598 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 68) no Hoare annotation was computed. [2019-01-12 09:10:38,598 INFO L448 ceAbstractionStarter]: For program point L31-1(lines 31 35) no Hoare annotation was computed. [2019-01-12 09:10:38,598 INFO L448 ceAbstractionStarter]: For program point L64-2(lines 64 68) no Hoare annotation was computed. [2019-01-12 09:10:38,599 INFO L444 ceAbstractionStarter]: At program point L31-2(lines 31 35) the Hoare annotation is: false [2019-01-12 09:10:38,599 INFO L448 ceAbstractionStarter]: For program point L31-3(lines 31 35) no Hoare annotation was computed. [2019-01-12 09:10:38,599 INFO L448 ceAbstractionStarter]: For program point L48-2(lines 48 49) no Hoare annotation was computed. [2019-01-12 09:10:38,599 INFO L448 ceAbstractionStarter]: For program point L15-1(lines 15 19) no Hoare annotation was computed. [2019-01-12 09:10:38,599 INFO L444 ceAbstractionStarter]: At program point L48-3(lines 48 49) the Hoare annotation is: false [2019-01-12 09:10:38,599 INFO L444 ceAbstractionStarter]: At program point L15-2(lines 15 19) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= .cse0 ULTIMATE.start___ieee754_asinf_~x) (= .cse0 |ULTIMATE.start___ieee754_asinf_#res|) |ULTIMATE.start_main_#t~short21| (= ULTIMATE.start_main_~res~0 .cse0) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) .cse0) (= ULTIMATE.start___signbit_float_~x .cse0) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1) ULTIMATE.start___ieee754_asinf_~ix~2) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) (fp.neg (_ +zero 8 24))))))) [2019-01-12 09:10:38,600 INFO L448 ceAbstractionStarter]: For program point L48-4(lines 48 49) no Hoare annotation was computed. [2019-01-12 09:10:38,600 INFO L448 ceAbstractionStarter]: For program point L15-3(lines 15 19) no Hoare annotation was computed. [2019-01-12 09:10:38,600 INFO L448 ceAbstractionStarter]: For program point L197(line 197) no Hoare annotation was computed. [2019-01-12 09:10:38,600 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 146) no Hoare annotation was computed. [2019-01-12 09:10:38,600 INFO L448 ceAbstractionStarter]: For program point L197-2(lines 197 200) no Hoare annotation was computed. [2019-01-12 09:10:38,600 INFO L448 ceAbstractionStarter]: For program point L131-1(lines 131 146) no Hoare annotation was computed. [2019-01-12 09:10:38,600 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-12 09:10:38,600 INFO L448 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2019-01-12 09:10:38,601 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 145) no Hoare annotation was computed. [2019-01-12 09:10:38,601 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 103) no Hoare annotation was computed. [2019-01-12 09:10:38,601 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 92 105) no Hoare annotation was computed. [2019-01-12 09:10:38,601 INFO L448 ceAbstractionStarter]: For program point L99-2(lines 99 103) no Hoare annotation was computed. [2019-01-12 09:10:38,601 INFO L444 ceAbstractionStarter]: At program point L182(lines 117 183) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= .cse0 ULTIMATE.start___ieee754_asinf_~x) (= .cse0 |ULTIMATE.start___ieee754_asinf_#res|) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) .cse0) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1) ULTIMATE.start___ieee754_asinf_~ix~2) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) (fp.neg (_ +zero 8 24))))))) [2019-01-12 09:10:38,601 INFO L448 ceAbstractionStarter]: For program point L133(lines 133 134) no Hoare annotation was computed. [2019-01-12 09:10:38,612 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:38,613 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:38,613 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:38,613 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:38,621 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:38,622 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:38,622 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:38,622 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:38,624 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:38,625 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:38,625 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:38,625 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:38,626 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:38,626 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:38,626 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:38,627 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:38,630 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:38,630 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:38,631 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:38,631 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:38,632 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:38,632 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:38,632 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:38,632 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:38,635 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:38,636 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:38,636 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:38,636 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:38,637 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:38,637 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:38,637 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:38,637 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:38,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 09:10:38 BoogieIcfgContainer [2019-01-12 09:10:38,642 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 09:10:38,642 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 09:10:38,642 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 09:10:38,642 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 09:10:38,644 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:10:32" (3/4) ... [2019-01-12 09:10:38,649 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-12 09:10:38,664 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-01-12 09:10:38,664 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-01-12 09:10:38,665 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-01-12 09:10:38,694 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == \result) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) == ix && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) [2019-01-12 09:10:38,695 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == \result) && aux-res == -0.0f && __signbit_float(res) == 1-aux) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) == ix && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) [2019-01-12 09:10:38,695 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x && 1bv32 == \result) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == \result) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && aux-res == -0.0f && __signbit_float(res) == 1-aux) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) == ix && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) [2019-01-12 09:10:38,760 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 09:10:38,760 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 09:10:38,761 INFO L168 Benchmark]: Toolchain (without parser) took 17822.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 946.0 MB in the beginning and 921.1 MB in the end (delta: 24.9 MB). Peak memory consumption was 165.9 MB. Max. memory is 11.5 GB. [2019-01-12 09:10:38,766 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:10:38,766 INFO L168 Benchmark]: CACSL2BoogieTranslator took 542.56 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 929.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-01-12 09:10:38,767 INFO L168 Benchmark]: Boogie Procedure Inliner took 133.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 929.9 MB in the beginning and 1.1 GB in the end (delta: -193.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2019-01-12 09:10:38,768 INFO L168 Benchmark]: Boogie Preprocessor took 57.71 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. [2019-01-12 09:10:38,768 INFO L168 Benchmark]: RCFGBuilder took 10588.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 39.3 MB). Peak memory consumption was 39.3 MB. Max. memory is 11.5 GB. [2019-01-12 09:10:38,769 INFO L168 Benchmark]: TraceAbstraction took 6376.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 927.7 MB in the end (delta: 156.1 MB). Peak memory consumption was 156.1 MB. Max. memory is 11.5 GB. [2019-01-12 09:10:38,772 INFO L168 Benchmark]: Witness Printer took 118.44 ms. Allocated memory is still 1.2 GB. Free memory was 927.7 MB in the beginning and 921.1 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-01-12 09:10:38,781 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 542.56 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 929.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 133.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 929.9 MB in the beginning and 1.1 GB in the end (delta: -193.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.71 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 10588.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 39.3 MB). Peak memory consumption was 39.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6376.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 927.7 MB in the end (delta: 156.1 MB). Peak memory consumption was 156.1 MB. Max. memory is 11.5 GB. * Witness Printer took 118.44 ms. Allocated memory is still 1.2 GB. Free memory was 927.7 MB in the beginning and 921.1 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. 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___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 198]: 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: 26]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12]: Loop Invariant [2019-01-12 09:10:38,790 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:38,790 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:38,790 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:38,794 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:38,795 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:38,796 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:38,796 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:38,796 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: (((((((~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x && 1bv32 == \result) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == \result) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && aux-res == -0.0f && __signbit_float(res) == 1-aux) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) == ix && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 117]: Loop Invariant [2019-01-12 09:10:38,797 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:38,801 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:38,801 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:38,801 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:38,802 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:38,802 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:38,802 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:38,802 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: ((~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == \result) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) == ix && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 120]: Loop Invariant [2019-01-12 09:10:38,803 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:38,803 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:38,803 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:38,804 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:38,807 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:38,807 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:38,808 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:10:38,808 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x && one_asin == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_asin - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 15]: Loop Invariant [2019-01-12 09:10:38,809 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:38,809 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:38,809 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:38,809 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:38,815 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:38,815 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:38,815 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-01-12 09:10:38,816 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: (((((~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == \result) && aux-res == -0.0f && __signbit_float(res) == 1-aux) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) == ix && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 60 locations, 1 error locations. SAFE Result, 6.2s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 2.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 267 SDtfs, 372 SDslu, 487 SDs, 0 SdLazy, 92 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 90 GetRequests, 63 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 13 PreInvPairs, 18 NumberOfFragments, 167 HoareAnnotationTreeSize, 13 FomulaSimplifications, 86 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 79 ConstructedInterpolants, 1 QuantifiedInterpolants, 8268 SizeOfPredicates, 25 NumberOfNonLiveVariables, 313 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...