./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0460.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/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 ../sv-benchmarks/c/float-newlib/float_req_bl_0460.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 2f567a7a12cd8f512f9f6ce0cb1d1ec1e0dd22bc .............................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0460.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 2f567a7a12cd8f512f9f6ce0cb1d1ec1e0dd22bc ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-27 23:46:35,525 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:46:35,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:46:35,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:46:35,543 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:46:35,544 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:46:35,545 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:46:35,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:46:35,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:46:35,550 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:46:35,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:46:35,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:46:35,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:46:35,554 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:46:35,555 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:46:35,556 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:46:35,557 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:46:35,558 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:46:35,560 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:46:35,562 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:46:35,563 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:46:35,565 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:46:35,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:46:35,567 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:46:35,569 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:46:35,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:46:35,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:46:35,571 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:46:35,574 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:46:35,575 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:46:35,576 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:46:35,577 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:46:35,578 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:46:35,578 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:46:35,579 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:46:35,582 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:46:35,583 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:46:35,584 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:46:35,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:46:35,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:46:35,589 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:46:35,590 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 23:46:35,616 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:46:35,617 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:46:35,619 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:46:35,619 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:46:35,619 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:46:35,620 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:46:35,620 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:46:35,620 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 23:46:35,621 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:46:35,621 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:46:35,622 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:46:35,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:46:35,623 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:46:35,623 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:46:35,623 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:46:35,624 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:46:35,624 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:46:35,624 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:46:35,625 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:46:35,625 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:46:35,625 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:46:35,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:46:35,626 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:46:35,626 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:46:35,627 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:46:35,627 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 23:46:35,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 23:46:35,628 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:46:35,628 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f567a7a12cd8f512f9f6ce0cb1d1ec1e0dd22bc [2019-11-27 23:46:35,933 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:46:35,953 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:46:35,956 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:46:35,958 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:46:35,958 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:46:35,959 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0460.c [2019-11-27 23:46:36,025 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/146b8a61f/a62b8a227a4c43fbb1708d5f3494573a/FLAGd30e5a5cb [2019-11-27 23:46:36,487 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:46:36,489 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0460.c [2019-11-27 23:46:36,499 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/146b8a61f/a62b8a227a4c43fbb1708d5f3494573a/FLAGd30e5a5cb [2019-11-27 23:46:36,837 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/146b8a61f/a62b8a227a4c43fbb1708d5f3494573a [2019-11-27 23:46:36,840 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:46:36,841 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:46:36,842 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:46:36,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:46:36,845 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:46:36,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:46:36" (1/1) ... [2019-11-27 23:46:36,848 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bba92c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:36, skipping insertion in model container [2019-11-27 23:46:36,849 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:46:36" (1/1) ... [2019-11-27 23:46:36,854 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:46:36,880 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:46:37,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:46:37,163 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:46:37,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:46:37,238 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:46:37,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:37 WrapperNode [2019-11-27 23:46:37,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:46:37,239 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:46:37,239 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:46:37,239 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:46:37,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:37" (1/1) ... [2019-11-27 23:46:37,256 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:37" (1/1) ... [2019-11-27 23:46:37,300 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:46:37,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:46:37,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:46:37,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:46:37,314 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:37" (1/1) ... [2019-11-27 23:46:37,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:37" (1/1) ... [2019-11-27 23:46:37,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:37" (1/1) ... [2019-11-27 23:46:37,319 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:37" (1/1) ... [2019-11-27 23:46:37,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:37" (1/1) ... [2019-11-27 23:46:37,341 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:37" (1/1) ... [2019-11-27 23:46:37,345 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:37" (1/1) ... [2019-11-27 23:46:37,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:46:37,350 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:46:37,350 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:46:37,351 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:46:37,352 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:37" (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 [2019-11-27 23:46:37,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-27 23:46:37,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-27 23:46:37,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-27 23:46:37,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-27 23:46:37,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:46:37,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:46:37,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-27 23:46:37,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-27 23:46:37,980 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:46:37,980 INFO L297 CfgBuilder]: Removed 30 assume(true) statements. [2019-11-27 23:46:37,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:46:37 BoogieIcfgContainer [2019-11-27 23:46:37,982 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:46:37,983 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:46:37,983 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:46:37,986 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:46:37,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:46:36" (1/3) ... [2019-11-27 23:46:37,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d50a217 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:46:37, skipping insertion in model container [2019-11-27 23:46:37,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:37" (2/3) ... [2019-11-27 23:46:37,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d50a217 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:46:37, skipping insertion in model container [2019-11-27 23:46:37,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:46:37" (3/3) ... [2019-11-27 23:46:37,990 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0460.c [2019-11-27 23:46:38,000 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:46:38,008 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 23:46:38,020 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 23:46:38,044 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:46:38,044 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:46:38,044 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:46:38,044 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:46:38,045 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:46:38,045 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:46:38,045 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:46:38,045 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:46:38,062 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2019-11-27 23:46:38,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-27 23:46:38,068 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:46:38,069 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:46:38,069 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:46:38,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:46:38,075 INFO L82 PathProgramCache]: Analyzing trace with hash 831444330, now seen corresponding path program 1 times [2019-11-27 23:46:38,084 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:46:38,085 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151216944] [2019-11-27 23:46:38,085 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:46:38,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:46:38,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:46:38,202 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151216944] [2019-11-27 23:46:38,203 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:46:38,203 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-27 23:46:38,204 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042493925] [2019-11-27 23:46:38,209 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-27 23:46:38,209 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:46:38,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-27 23:46:38,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 23:46:38,226 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 2 states. [2019-11-27 23:46:38,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:46:38,257 INFO L93 Difference]: Finished difference Result 145 states and 238 transitions. [2019-11-27 23:46:38,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-27 23:46:38,259 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-27 23:46:38,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:46:38,273 INFO L225 Difference]: With dead ends: 145 [2019-11-27 23:46:38,274 INFO L226 Difference]: Without dead ends: 70 [2019-11-27 23:46:38,278 INFO L630 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 [2019-11-27 23:46:38,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-11-27 23:46:38,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2019-11-27 23:46:38,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-11-27 23:46:38,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 97 transitions. [2019-11-27 23:46:38,326 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 97 transitions. Word has length 11 [2019-11-27 23:46:38,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:46:38,326 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 97 transitions. [2019-11-27 23:46:38,326 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-27 23:46:38,327 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2019-11-27 23:46:38,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-27 23:46:38,327 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:46:38,328 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:46:38,328 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:46:38,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:46:38,329 INFO L82 PathProgramCache]: Analyzing trace with hash 947135698, now seen corresponding path program 1 times [2019-11-27 23:46:38,329 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:46:38,329 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204429599] [2019-11-27 23:46:38,330 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:46:38,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 23:46:38,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 23:46:38,492 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-27 23:46:38,493 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-27 23:46:38,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:46:38 BoogieIcfgContainer [2019-11-27 23:46:38,546 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 23:46:38,547 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 23:46:38,547 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 23:46:38,547 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 23:46:38,548 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:46:37" (3/4) ... [2019-11-27 23:46:38,551 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-27 23:46:38,552 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 23:46:38,554 INFO L168 Benchmark]: Toolchain (without parser) took 1712.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -121.2 MB). Peak memory consumption was 36.1 MB. Max. memory is 11.5 GB. [2019-11-27 23:46:38,555 INFO L168 Benchmark]: CDTParser took 0.61 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:46:38,556 INFO L168 Benchmark]: CACSL2BoogieTranslator took 396.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -191.5 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-11-27 23:46:38,557 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-11-27 23:46:38,558 INFO L168 Benchmark]: Boogie Preprocessor took 49.68 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. [2019-11-27 23:46:38,559 INFO L168 Benchmark]: RCFGBuilder took 631.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.1 MB). Peak memory consumption was 38.1 MB. Max. memory is 11.5 GB. [2019-11-27 23:46:38,560 INFO L168 Benchmark]: TraceAbstraction took 563.42 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: 25.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2019-11-27 23:46:38,560 INFO L168 Benchmark]: Witness Printer took 5.16 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. [2019-11-27 23:46:38,565 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 396.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -191.5 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 60.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.68 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 631.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.1 MB). Peak memory consumption was 38.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 563.42 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: 25.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * Witness Printer took 5.16 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: 177]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someUnaryDOUBLEoperation at line 87, overapproximation of bitwiseAnd at line 101. Possible FailurePath: [L15] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L84-L91] static const float one_acos = 1.0000000000e+00, pi = 3.1415925026e+00, pio2_hi_acos = 1.5707962513e+00, pio2_lo_acos = 7.5497894159e-08, pS0_acos = 1.6666667163e-01, pS1_acos = -3.2556581497e-01, pS2_acos = 2.0121252537e-01, pS3_acos = -4.0055535734e-02, pS4_acos = 7.9153501429e-04, pS5_acos = 3.4793309169e-05, qS1_acos = -2.4033949375e+00, qS2_acos = 2.0209457874e+00, qS3_acos = -6.8828397989e-01, qS4_acos = 7.7038154006e-02; VAL [one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L169] float x = __VERIFIER_nondet_float(); [L171] COND TRUE x < -1.0f || x > 1.0f [L94] float z, p, q, r, w, s, c, df; [L95] __int32_t hx, ix; VAL [one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L97] ieee_float_shape_type gf_u; [L98] gf_u.value = (x) [L99] EXPR gf_u.word [L99] (hx) = gf_u.word [L101] ix = hx & 0x7fffffff VAL [one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L102] COND TRUE ix == 0x3f800000 VAL [one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L103] COND TRUE hx > 0 [L104] return 0.0; VAL [one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L173] float res = __ieee754_acosf(x); [L13] return x != x; VAL [one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L176] COND TRUE !isnan_float(res) [L177] __VERIFIER_error() VAL [one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 74 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 102 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=74occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-27 23:46:40,367 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:46:40,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:46:40,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:46:40,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:46:40,384 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:46:40,386 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:46:40,388 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:46:40,389 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:46:40,390 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:46:40,392 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:46:40,393 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:46:40,393 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:46:40,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:46:40,395 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:46:40,397 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:46:40,398 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:46:40,399 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:46:40,401 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:46:40,403 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:46:40,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:46:40,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:46:40,410 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:46:40,411 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:46:40,413 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:46:40,416 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:46:40,417 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:46:40,418 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:46:40,418 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:46:40,420 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:46:40,421 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:46:40,422 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:46:40,423 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:46:40,424 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:46:40,425 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:46:40,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:46:40,428 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:46:40,429 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:46:40,429 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:46:40,430 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:46:40,433 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:46:40,435 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 23:46:40,459 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:46:40,459 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:46:40,461 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:46:40,461 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:46:40,461 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:46:40,462 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:46:40,462 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:46:40,462 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:46:40,462 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:46:40,463 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:46:40,464 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:46:40,464 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:46:40,464 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 23:46:40,465 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 23:46:40,465 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:46:40,465 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:46:40,466 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:46:40,466 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:46:40,466 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:46:40,467 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:46:40,467 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:46:40,468 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:46:40,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:46:40,468 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:46:40,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:46:40,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:46:40,469 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 23:46:40,469 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 23:46:40,470 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:46:40,470 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 23:46:40,470 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f567a7a12cd8f512f9f6ce0cb1d1ec1e0dd22bc [2019-11-27 23:46:40,847 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:46:40,860 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:46:40,864 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:46:40,866 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:46:40,866 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:46:40,868 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0460.c [2019-11-27 23:46:40,933 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fffa063c9/c125bfe0f9de4207b47e68600310edca/FLAGfcd039daf [2019-11-27 23:46:41,357 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:46:41,358 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0460.c [2019-11-27 23:46:41,366 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fffa063c9/c125bfe0f9de4207b47e68600310edca/FLAGfcd039daf [2019-11-27 23:46:41,756 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fffa063c9/c125bfe0f9de4207b47e68600310edca [2019-11-27 23:46:41,762 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:46:41,763 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:46:41,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:46:41,765 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:46:41,769 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:46:41,769 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:46:41" (1/1) ... [2019-11-27 23:46:41,772 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b52569d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:41, skipping insertion in model container [2019-11-27 23:46:41,773 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:46:41" (1/1) ... [2019-11-27 23:46:41,780 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:46:41,816 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:46:42,205 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:46:42,218 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:46:42,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:46:42,332 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:46:42,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:42 WrapperNode [2019-11-27 23:46:42,333 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:46:42,334 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:46:42,334 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:46:42,334 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:46:42,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:42" (1/1) ... [2019-11-27 23:46:42,358 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:42" (1/1) ... [2019-11-27 23:46:42,403 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:46:42,406 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:46:42,406 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:46:42,406 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:46:42,415 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:42" (1/1) ... [2019-11-27 23:46:42,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:42" (1/1) ... [2019-11-27 23:46:42,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:42" (1/1) ... [2019-11-27 23:46:42,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:42" (1/1) ... [2019-11-27 23:46:42,450 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:42" (1/1) ... [2019-11-27 23:46:42,458 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:42" (1/1) ... [2019-11-27 23:46:42,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:42" (1/1) ... [2019-11-27 23:46:42,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:46:42,468 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:46:42,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:46:42,469 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:46:42,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:42" (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 [2019-11-27 23:46:42,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-27 23:46:42,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-11-27 23:46:42,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-27 23:46:42,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:46:42,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:46:42,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-11-27 23:46:42,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-27 23:46:42,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-27 23:46:53,196 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:46:53,196 INFO L297 CfgBuilder]: Removed 30 assume(true) statements. [2019-11-27 23:46:53,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:46:53 BoogieIcfgContainer [2019-11-27 23:46:53,198 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:46:53,199 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:46:53,199 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:46:53,202 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:46:53,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:46:41" (1/3) ... [2019-11-27 23:46:53,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e1ffa5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:46:53, skipping insertion in model container [2019-11-27 23:46:53,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:46:42" (2/3) ... [2019-11-27 23:46:53,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e1ffa5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:46:53, skipping insertion in model container [2019-11-27 23:46:53,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:46:53" (3/3) ... [2019-11-27 23:46:53,206 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0460.c [2019-11-27 23:46:53,216 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:46:53,223 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 23:46:53,235 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 23:46:53,255 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:46:53,256 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:46:53,256 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:46:53,256 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:46:53,256 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:46:53,256 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:46:53,256 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:46:53,257 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:46:53,271 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2019-11-27 23:46:53,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-27 23:46:53,277 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:46:53,278 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:46:53,279 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:46:53,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:46:53,284 INFO L82 PathProgramCache]: Analyzing trace with hash 831444330, now seen corresponding path program 1 times [2019-11-27 23:46:53,294 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:46:53,294 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [220932564] [2019-11-27 23:46:53,294 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-27 23:46:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:46:53,809 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-27 23:46:53,814 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:46:53,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:46:53,825 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:46:53,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:46:53,829 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [220932564] [2019-11-27 23:46:53,830 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:46:53,830 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-27 23:46:53,831 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792662263] [2019-11-27 23:46:53,834 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-27 23:46:53,834 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:46:53,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-27 23:46:53,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 23:46:53,847 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 2 states. [2019-11-27 23:46:53,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:46:53,870 INFO L93 Difference]: Finished difference Result 145 states and 238 transitions. [2019-11-27 23:46:53,871 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-27 23:46:53,872 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-27 23:46:53,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:46:53,886 INFO L225 Difference]: With dead ends: 145 [2019-11-27 23:46:53,887 INFO L226 Difference]: Without dead ends: 70 [2019-11-27 23:46:53,890 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 23:46:53,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-11-27 23:46:53,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2019-11-27 23:46:53,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-11-27 23:46:53,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 97 transitions. [2019-11-27 23:46:53,935 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 97 transitions. Word has length 11 [2019-11-27 23:46:53,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:46:53,935 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 97 transitions. [2019-11-27 23:46:53,936 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-27 23:46:53,936 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2019-11-27 23:46:53,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-27 23:46:53,937 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:46:53,937 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:46:54,139 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-27 23:46:54,140 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:46:54,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:46:54,141 INFO L82 PathProgramCache]: Analyzing trace with hash 947135698, now seen corresponding path program 1 times [2019-11-27 23:46:54,143 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:46:54,143 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [433582653] [2019-11-27 23:46:54,143 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-27 23:46:54,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:46:54,658 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-27 23:46:54,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:46:54,737 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:46:56,798 WARN L192 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 22 DAG size of output: 15 [2019-11-27 23:46:56,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:46:56,805 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:46:56,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:46:56,891 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [433582653] [2019-11-27 23:46:56,891 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:46:56,891 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-27 23:46:56,891 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931709194] [2019-11-27 23:46:56,893 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-27 23:46:56,893 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:46:56,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-27 23:46:56,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-27 23:46:56,894 INFO L87 Difference]: Start difference. First operand 70 states and 97 transitions. Second operand 8 states. [2019-11-27 23:46:57,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:46:57,405 INFO L93 Difference]: Finished difference Result 75 states and 101 transitions. [2019-11-27 23:46:57,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-27 23:46:57,454 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2019-11-27 23:46:57,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:46:57,455 INFO L225 Difference]: With dead ends: 75 [2019-11-27 23:46:57,455 INFO L226 Difference]: Without dead ends: 13 [2019-11-27 23:46:57,456 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-27 23:46:57,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-11-27 23:46:57,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-11-27 23:46:57,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-27 23:46:57,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 12 transitions. [2019-11-27 23:46:57,463 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 12 transitions. Word has length 12 [2019-11-27 23:46:57,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:46:57,463 INFO L462 AbstractCegarLoop]: Abstraction has 13 states and 12 transitions. [2019-11-27 23:46:57,464 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-27 23:46:57,464 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2019-11-27 23:46:57,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-27 23:46:57,465 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:46:57,465 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:46:57,678 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-27 23:46:57,679 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:46:57,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:46:57,680 INFO L82 PathProgramCache]: Analyzing trace with hash 1154004402, now seen corresponding path program 1 times [2019-11-27 23:46:57,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:46:57,683 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1866903599] [2019-11-27 23:46:57,683 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-27 23:46:58,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:46:58,464 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-27 23:46:58,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:47:00,014 WARN L192 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2019-11-27 23:47:00,017 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:47:01,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:47:01,680 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:47:03,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:47:03,883 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1866903599] [2019-11-27 23:47:03,883 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:47:03,883 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2019-11-27 23:47:03,884 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933137728] [2019-11-27 23:47:03,884 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-27 23:47:03,884 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:47:03,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-27 23:47:03,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-11-27 23:47:03,885 INFO L87 Difference]: Start difference. First operand 13 states and 12 transitions. Second operand 9 states. [2019-11-27 23:47:08,412 WARN L192 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 12 DAG size of output: 10 [2019-11-27 23:47:12,344 WARN L192 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 15 DAG size of output: 13 [2019-11-27 23:47:17,106 WARN L192 SmtUtils]: Spent 4.08 s on a formula simplification. DAG size of input: 17 DAG size of output: 15 [2019-11-27 23:47:17,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:47:17,108 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2019-11-27 23:47:17,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-27 23:47:17,108 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 12 [2019-11-27 23:47:17,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:47:17,109 INFO L225 Difference]: With dead ends: 13 [2019-11-27 23:47:17,109 INFO L226 Difference]: Without dead ends: 0 [2019-11-27 23:47:17,109 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 16.7s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2019-11-27 23:47:17,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-27 23:47:17,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-27 23:47:17,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-27 23:47:17,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-27 23:47:17,110 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2019-11-27 23:47:17,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:47:17,111 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-27 23:47:17,111 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-27 23:47:17,111 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-27 23:47:17,111 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-27 23:47:17,318 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-27 23:47:17,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-27 23:47:19,195 WARN L192 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 36 [2019-11-27 23:47:21,525 WARN L192 SmtUtils]: Spent 2.32 s on a formula simplification that was a NOOP. DAG size: 39 [2019-11-27 23:47:21,533 INFO L246 CegarLoopResult]: For program point L68-3(lines 68 71) no Hoare annotation was computed. [2019-11-27 23:47:21,533 INFO L246 CegarLoopResult]: For program point L102(lines 102 109) no Hoare annotation was computed. [2019-11-27 23:47:21,533 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-27 23:47:21,534 INFO L242 CegarLoopResult]: At program point L53-2(lines 53 62) the Hoare annotation is: false [2019-11-27 23:47:21,534 INFO L246 CegarLoopResult]: For program point L53-3(lines 17 82) no Hoare annotation was computed. [2019-11-27 23:47:21,534 INFO L242 CegarLoopResult]: At program point L53-6(lines 53 62) the Hoare annotation is: false [2019-11-27 23:47:21,534 INFO L246 CegarLoopResult]: For program point L53-7(lines 17 82) no Hoare annotation was computed. [2019-11-27 23:47:21,534 INFO L246 CegarLoopResult]: For program point L103(lines 103 106) no Hoare annotation was computed. [2019-11-27 23:47:21,534 INFO L246 CegarLoopResult]: For program point L38(lines 38 42) no Hoare annotation was computed. [2019-11-27 23:47:21,534 INFO L246 CegarLoopResult]: For program point L38-2(lines 38 42) no Hoare annotation was computed. [2019-11-27 23:47:21,535 INFO L246 CegarLoopResult]: For program point L38-3(lines 38 42) no Hoare annotation was computed. [2019-11-27 23:47:21,535 INFO L246 CegarLoopResult]: For program point L38-5(lines 38 42) no Hoare annotation was computed. [2019-11-27 23:47:21,535 INFO L246 CegarLoopResult]: For program point L55(lines 55 59) no Hoare annotation was computed. [2019-11-27 23:47:21,535 INFO L246 CegarLoopResult]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2019-11-27 23:47:21,535 INFO L246 CegarLoopResult]: For program point L55-2(lines 55 59) no Hoare annotation was computed. [2019-11-27 23:47:21,535 INFO L242 CegarLoopResult]: At program point L22-2(lines 22 26) the Hoare annotation is: false [2019-11-27 23:47:21,535 INFO L246 CegarLoopResult]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2019-11-27 23:47:21,535 INFO L246 CegarLoopResult]: For program point L22-3(lines 22 26) no Hoare annotation was computed. [2019-11-27 23:47:21,536 INFO L246 CegarLoopResult]: For program point L55-5(lines 55 59) no Hoare annotation was computed. [2019-11-27 23:47:21,536 INFO L246 CegarLoopResult]: For program point L22-5(lines 22 26) no Hoare annotation was computed. [2019-11-27 23:47:21,536 INFO L242 CegarLoopResult]: At program point L22-6(lines 22 26) the Hoare annotation is: false [2019-11-27 23:47:21,536 INFO L246 CegarLoopResult]: For program point L22-7(lines 22 26) no Hoare annotation was computed. [2019-11-27 23:47:21,536 INFO L246 CegarLoopResult]: For program point L171(lines 171 180) no Hoare annotation was computed. [2019-11-27 23:47:21,536 INFO L246 CegarLoopResult]: For program point L171-2(lines 171 180) no Hoare annotation was computed. [2019-11-27 23:47:21,537 INFO L246 CegarLoopResult]: For program point L39-2(lines 39 40) no Hoare annotation was computed. [2019-11-27 23:47:21,543 INFO L242 CegarLoopResult]: At program point L39-3(lines 39 40) the Hoare annotation is: false [2019-11-27 23:47:21,543 INFO L246 CegarLoopResult]: For program point L39-4(lines 39 40) no Hoare annotation was computed. [2019-11-27 23:47:21,543 INFO L246 CegarLoopResult]: For program point L39-7(lines 39 40) no Hoare annotation was computed. [2019-11-27 23:47:21,544 INFO L242 CegarLoopResult]: At program point L39-8(lines 39 40) the Hoare annotation is: false [2019-11-27 23:47:21,544 INFO L246 CegarLoopResult]: For program point L39-9(lines 39 40) no Hoare annotation was computed. [2019-11-27 23:47:21,545 INFO L246 CegarLoopResult]: For program point L122(lines 122 159) no Hoare annotation was computed. [2019-11-27 23:47:21,545 INFO L246 CegarLoopResult]: For program point L139-1(lines 139 143) no Hoare annotation was computed. [2019-11-27 23:47:21,545 INFO L242 CegarLoopResult]: At program point L139-2(lines 139 143) the Hoare annotation is: false [2019-11-27 23:47:21,546 INFO L246 CegarLoopResult]: For program point L107(lines 107 109) no Hoare annotation was computed. [2019-11-27 23:47:21,546 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-27 23:47:21,547 INFO L242 CegarLoopResult]: At program point L158(lines 93 160) the Hoare annotation is: (and (exists ((ULTIMATE.start___ieee754_acosf_~hx~1 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_acosf_~hx~1) ULTIMATE.start___ieee754_acosf_~ix~1) (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~hx~1)) ((_ to_fp 8 24) currentRoundingMode 1.0)))) (or (exists ((currentRoundingMode RoundingMode)) (fp.gt ULTIMATE.start___ieee754_acosf_~x ((_ to_fp 8 24) currentRoundingMode 1.0))) (exists ((v_prenex_5 RoundingMode)) (fp.lt ULTIMATE.start___ieee754_acosf_~x (fp.neg ((_ to_fp 8 24) v_prenex_5 1.0))))) (or (exists ((v_prenex_5 RoundingMode)) (fp.lt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~hx~1)) (fp.neg ((_ to_fp 8 24) v_prenex_5 1.0)))) (exists ((currentRoundingMode RoundingMode)) (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~hx~1)) ((_ to_fp 8 24) currentRoundingMode 1.0)))) (exists ((ULTIMATE.start___ieee754_acosf_~x (_ FloatingPoint 8 24))) (= (let ((.cse0 (fp.sub roundNearestTiesToEven ULTIMATE.start___ieee754_acosf_~x ULTIMATE.start___ieee754_acosf_~x))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start___ieee754_acosf_#res|)) (= currentRoundingMode roundNearestTiesToEven)) [2019-11-27 23:47:21,548 INFO L246 CegarLoopResult]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2019-11-27 23:47:21,548 INFO L242 CegarLoopResult]: At program point L76-2(lines 76 80) the Hoare annotation is: false [2019-11-27 23:47:21,548 INFO L246 CegarLoopResult]: For program point L76-3(lines 76 80) no Hoare annotation was computed. [2019-11-27 23:47:21,548 INFO L246 CegarLoopResult]: For program point L76-5(lines 76 80) no Hoare annotation was computed. [2019-11-27 23:47:21,548 INFO L242 CegarLoopResult]: At program point L76-6(lines 76 80) the Hoare annotation is: false [2019-11-27 23:47:21,549 INFO L246 CegarLoopResult]: For program point L76-7(lines 76 80) no Hoare annotation was computed. [2019-11-27 23:47:21,549 INFO L246 CegarLoopResult]: For program point L176(lines 176 179) no Hoare annotation was computed. [2019-11-27 23:47:21,549 INFO L246 CegarLoopResult]: For program point L110(lines 110 159) no Hoare annotation was computed. [2019-11-27 23:47:21,549 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-27 23:47:21,550 INFO L246 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2019-11-27 23:47:21,550 INFO L246 CegarLoopResult]: For program point L144(lines 144 148) no Hoare annotation was computed. [2019-11-27 23:47:21,550 INFO L246 CegarLoopResult]: For program point L111(lines 111 112) no Hoare annotation was computed. [2019-11-27 23:47:21,551 INFO L246 CegarLoopResult]: For program point L144-1(lines 134 159) no Hoare annotation was computed. [2019-11-27 23:47:21,551 INFO L246 CegarLoopResult]: For program point L144-2(lines 144 148) no Hoare annotation was computed. [2019-11-27 23:47:21,551 INFO L246 CegarLoopResult]: For program point L45(lines 45 46) no Hoare annotation was computed. [2019-11-27 23:47:21,551 INFO L246 CegarLoopResult]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2019-11-27 23:47:21,551 INFO L246 CegarLoopResult]: For program point L45-3(lines 45 46) no Hoare annotation was computed. [2019-11-27 23:47:21,552 INFO L246 CegarLoopResult]: For program point L45-5(lines 45 46) no Hoare annotation was computed. [2019-11-27 23:47:21,552 INFO L246 CegarLoopResult]: For program point L29(lines 29 30) no Hoare annotation was computed. [2019-11-27 23:47:21,552 INFO L246 CegarLoopResult]: For program point L29-1(lines 29 30) no Hoare annotation was computed. [2019-11-27 23:47:21,552 INFO L242 CegarLoopResult]: At program point L13(line 13) the Hoare annotation is: (and (exists ((ULTIMATE.start___ieee754_acosf_~hx~1 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_acosf_~hx~1) ULTIMATE.start___ieee754_acosf_~ix~1) (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~hx~1)) ((_ to_fp 8 24) currentRoundingMode 1.0)))) (or (exists ((currentRoundingMode RoundingMode)) (fp.gt ULTIMATE.start___ieee754_acosf_~x ((_ to_fp 8 24) currentRoundingMode 1.0))) (exists ((v_prenex_5 RoundingMode)) (fp.lt ULTIMATE.start___ieee754_acosf_~x (fp.neg ((_ to_fp 8 24) v_prenex_5 1.0))))) (or (exists ((v_prenex_5 RoundingMode)) (fp.lt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~hx~1)) (fp.neg ((_ to_fp 8 24) v_prenex_5 1.0)))) (exists ((currentRoundingMode RoundingMode)) (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~hx~1)) ((_ to_fp 8 24) currentRoundingMode 1.0)))) (exists ((ULTIMATE.start___ieee754_acosf_~x (_ FloatingPoint 8 24))) (= (let ((.cse0 (fp.sub roundNearestTiesToEven ULTIMATE.start___ieee754_acosf_~x ULTIMATE.start___ieee754_acosf_~x))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start___ieee754_acosf_#res|)) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (= currentRoundingMode roundNearestTiesToEven)) [2019-11-27 23:47:21,553 INFO L246 CegarLoopResult]: For program point L96-1(lines 96 100) no Hoare annotation was computed. [2019-11-27 23:47:21,553 INFO L242 CegarLoopResult]: At program point L96-2(lines 96 100) the Hoare annotation is: (and (or (exists ((currentRoundingMode RoundingMode)) (fp.gt ULTIMATE.start___ieee754_acosf_~x ((_ to_fp 8 24) currentRoundingMode 1.0))) (exists ((v_prenex_5 RoundingMode)) (fp.lt ULTIMATE.start___ieee754_acosf_~x (fp.neg ((_ to_fp 8 24) v_prenex_5 1.0))))) (= currentRoundingMode roundNearestTiesToEven)) [2019-11-27 23:47:21,553 INFO L246 CegarLoopResult]: For program point L96-3(lines 96 100) no Hoare annotation was computed. [2019-11-27 23:47:21,553 INFO L246 CegarLoopResult]: For program point L64(lines 64 73) no Hoare annotation was computed. [2019-11-27 23:47:21,553 INFO L246 CegarLoopResult]: For program point L64-1(lines 64 73) no Hoare annotation was computed. [2019-11-27 23:47:21,553 INFO L242 CegarLoopResult]: At program point L81(lines 17 82) the Hoare annotation is: false [2019-11-27 23:47:21,553 INFO L242 CegarLoopResult]: At program point L81-1(lines 17 82) the Hoare annotation is: false [2019-11-27 23:47:21,554 INFO L246 CegarLoopResult]: For program point L32(lines 32 33) no Hoare annotation was computed. [2019-11-27 23:47:21,554 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-27 23:47:21,554 INFO L246 CegarLoopResult]: For program point L32-1(lines 32 33) no Hoare annotation was computed. [2019-11-27 23:47:21,554 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 177) no Hoare annotation was computed. [2019-11-27 23:47:21,554 INFO L246 CegarLoopResult]: For program point L66(lines 66 72) no Hoare annotation was computed. [2019-11-27 23:47:21,555 INFO L246 CegarLoopResult]: For program point L66-2(lines 66 72) no Hoare annotation was computed. [2019-11-27 23:47:21,555 INFO L249 CegarLoopResult]: At program point L182(lines 162 183) the Hoare annotation is: true [2019-11-27 23:47:21,555 INFO L246 CegarLoopResult]: For program point L34(lines 34 35) no Hoare annotation was computed. [2019-11-27 23:47:21,555 INFO L246 CegarLoopResult]: For program point L34-1(lines 34 35) no Hoare annotation was computed. [2019-11-27 23:47:21,555 INFO L246 CegarLoopResult]: For program point L68(lines 68 71) no Hoare annotation was computed. [2019-11-27 23:47:21,567 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:21,568 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:21,568 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:21,569 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:21,569 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:21,569 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:21,569 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:47:21,570 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:47:21,570 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:21,572 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:21,573 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:21,573 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-27 23:47:21,573 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-27 23:47:21,573 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:21,573 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-27 23:47:21,573 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-27 23:47:21,574 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:21,576 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:47:21,578 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:21,578 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:21,579 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:21,579 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:21,579 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:21,580 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:21,580 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:47:21,580 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:47:21,581 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:21,581 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:21,581 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:21,582 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-27 23:47:21,582 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-27 23:47:21,582 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:21,582 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-27 23:47:21,583 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-27 23:47:21,583 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:21,584 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:47:21,585 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:21,585 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:47:21,585 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:21,586 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:47:21,586 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:21,587 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:47:21,587 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:21,587 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:47:21,588 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:21,588 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:21,589 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:21,589 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:21,589 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:21,590 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:21,590 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:47:21,590 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:47:21,591 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:21,591 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:21,591 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:21,592 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-27 23:47:21,592 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-27 23:47:21,592 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:21,593 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-27 23:47:21,593 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-27 23:47:21,593 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:21,594 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:47:21,595 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:21,595 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:21,595 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:21,596 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:21,596 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:21,596 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:21,597 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:47:21,597 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:47:21,597 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:21,598 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:21,598 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:21,598 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-27 23:47:21,599 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-27 23:47:21,599 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:21,599 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-27 23:47:21,600 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-27 23:47:21,600 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:21,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:47:21,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:47:21 BoogieIcfgContainer [2019-11-27 23:47:21,603 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 23:47:21,604 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 23:47:21,604 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 23:47:21,604 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 23:47:21,605 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:46:53" (3/4) ... [2019-11-27 23:47:21,609 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-27 23:47:21,622 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-27 23:47:21,623 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-27 23:47:21,624 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-27 23:47:21,654 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(v_prenex_5, 1.0))))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2019-11-27 23:47:21,655 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists ULTIMATE.start___ieee754_acosf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_acosf_~hx~1) == ix && ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_acosf_~hx~1[31:31], ULTIMATE.start___ieee754_acosf_~hx~1[30:23], ULTIMATE.start___ieee754_acosf_~hx~1[22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))))) && ((\exists v_prenex_5 : FloatRoundingMode :: ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))) || (\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))))) && (\exists ULTIMATE.start___ieee754_acosf_~x : C_FLOAT :: ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_acosf_~x, ULTIMATE.start___ieee754_acosf_~x), ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_acosf_~x, ULTIMATE.start___ieee754_acosf_~x)) == \result)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2019-11-27 23:47:21,656 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\exists ULTIMATE.start___ieee754_acosf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_acosf_~hx~1) == ix && ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_acosf_~hx~1[31:31], ULTIMATE.start___ieee754_acosf_~hx~1[30:23], ULTIMATE.start___ieee754_acosf_~hx~1[22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))))) && ((\exists v_prenex_5 : FloatRoundingMode :: ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))) || (\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))))) && (\exists ULTIMATE.start___ieee754_acosf_~x : C_FLOAT :: ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_acosf_~x, ULTIMATE.start___ieee754_acosf_~x), ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_acosf_~x, ULTIMATE.start___ieee754_acosf_~x)) == \result)) && 1bv32 == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2019-11-27 23:47:21,764 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-27 23:47:21,764 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 23:47:21,766 INFO L168 Benchmark]: Toolchain (without parser) took 40002.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 961.7 MB in the beginning and 937.6 MB in the end (delta: 24.1 MB). Peak memory consumption was 164.1 MB. Max. memory is 11.5 GB. [2019-11-27 23:47:21,766 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:47:21,767 INFO L168 Benchmark]: CACSL2BoogieTranslator took 568.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -168.2 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-11-27 23:47:21,767 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.61 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2019-11-27 23:47:21,768 INFO L168 Benchmark]: Boogie Preprocessor took 62.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:47:21,768 INFO L168 Benchmark]: RCFGBuilder took 10729.68 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: 46.9 MB). Peak memory consumption was 46.9 MB. Max. memory is 11.5 GB. [2019-11-27 23:47:21,769 INFO L168 Benchmark]: TraceAbstraction took 28404.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 944.2 MB in the end (delta: 130.4 MB). Peak memory consumption was 130.4 MB. Max. memory is 11.5 GB. [2019-11-27 23:47:21,769 INFO L168 Benchmark]: Witness Printer took 160.34 ms. Allocated memory is still 1.2 GB. Free memory was 944.2 MB in the beginning and 937.6 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-27 23:47:21,772 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 568.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -168.2 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.61 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 62.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 10729.68 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: 46.9 MB). Peak memory consumption was 46.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 28404.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 944.2 MB in the end (delta: 130.4 MB). Peak memory consumption was 130.4 MB. Max. memory is 11.5 GB. * Witness Printer took 160.34 ms. Allocated memory is still 1.2 GB. Free memory was 944.2 MB in the beginning and 937.6 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_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 177]: 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: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 93]: Loop Invariant [2019-11-27 23:47:21,798 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:21,798 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:21,799 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:21,799 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:21,799 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:21,800 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:21,800 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:47:21,800 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:47:21,801 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:21,801 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:21,801 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:21,802 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-27 23:47:21,802 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-27 23:47:21,802 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:21,802 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-27 23:47:21,803 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-27 23:47:21,803 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:21,804 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:47:21,811 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:21,811 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:21,811 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:21,812 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:21,812 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:21,812 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:21,813 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:47:21,814 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:47:21,814 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:21,815 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:21,815 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:21,815 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-27 23:47:21,815 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-27 23:47:21,816 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:21,816 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-27 23:47:21,816 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-27 23:47:21,816 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:21,817 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((\exists ULTIMATE.start___ieee754_acosf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_acosf_~hx~1) == ix && ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_acosf_~hx~1[31:31], ULTIMATE.start___ieee754_acosf_~hx~1[30:23], ULTIMATE.start___ieee754_acosf_~hx~1[22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))))) && ((\exists v_prenex_5 : FloatRoundingMode :: ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))) || (\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))))) && (\exists ULTIMATE.start___ieee754_acosf_~x : C_FLOAT :: ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_acosf_~x, ULTIMATE.start___ieee754_acosf_~x), ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_acosf_~x, ULTIMATE.start___ieee754_acosf_~x)) == \result)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 96]: Loop Invariant [2019-11-27 23:47:21,818 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:21,818 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:47:21,819 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:21,819 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:47:21,820 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:21,820 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:47:21,820 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:21,820 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(v_prenex_5, 1.0))))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13]: Loop Invariant [2019-11-27 23:47:21,825 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:21,826 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:21,826 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:21,827 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:21,827 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:21,827 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:21,827 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:47:21,828 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:47:21,828 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:21,828 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:21,829 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:21,829 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-27 23:47:21,829 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-27 23:47:21,829 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:21,830 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-27 23:47:21,830 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-27 23:47:21,830 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:21,830 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:47:21,831 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:21,831 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:21,832 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:21,832 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2019-11-27 23:47:21,832 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:21,832 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:21,833 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:47:21,833 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2019-11-27 23:47:21,834 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:47:21,834 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:21,834 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:21,835 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-27 23:47:21,835 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-27 23:47:21,836 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:21,836 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-27 23:47:21,837 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2019-11-27 23:47:21,837 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:47:21,837 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((((\exists ULTIMATE.start___ieee754_acosf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_acosf_~hx~1) == ix && ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_acosf_~hx~1[31:31], ULTIMATE.start___ieee754_acosf_~hx~1[30:23], ULTIMATE.start___ieee754_acosf_~hx~1[22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))))) && ((\exists v_prenex_5 : FloatRoundingMode :: ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))) || (\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))))) && (\exists ULTIMATE.start___ieee754_acosf_~x : C_FLOAT :: ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_acosf_~x, ULTIMATE.start___ieee754_acosf_~x), ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_acosf_~x, ULTIMATE.start___ieee754_acosf_~x)) == \result)) && 1bv32 == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 74 locations, 1 error locations. Result: SAFE, OverallTime: 24.0s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 13.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.2s, HoareTripleCheckerStatistics: 116 SDtfs, 44 SDslu, 33 SDs, 0 SdLazy, 22 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 19.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 15 PreInvPairs, 19 NumberOfFragments, 183 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 4.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 7.8s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 64 ConstructedInterpolants, 6 QuantifiedInterpolants, 2367 SizeOfPredicates, 17 NumberOfNonLiveVariables, 137 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...