./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0680b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c 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_0680b.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 a08e98589992bcd32695ff0fd47c826511b7c0fa ................................................................................................................................................................................................................................................................................................................ 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_0680b.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 a08e98589992bcd32695ff0fd47c826511b7c0fa ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 16:51:57,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 16:51:57,267 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 16:51:57,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 16:51:57,280 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 16:51:57,281 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 16:51:57,282 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 16:51:57,285 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 16:51:57,286 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 16:51:57,287 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 16:51:57,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 16:51:57,290 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 16:51:57,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 16:51:57,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 16:51:57,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 16:51:57,294 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 16:51:57,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 16:51:57,296 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 16:51:57,298 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 16:51:57,300 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 16:51:57,302 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 16:51:57,303 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 16:51:57,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 16:51:57,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 16:51:57,308 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 16:51:57,308 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 16:51:57,309 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 16:51:57,314 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 16:51:57,315 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 16:51:57,317 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 16:51:57,318 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 16:51:57,319 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 16:51:57,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 16:51:57,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 16:51:57,323 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 16:51:57,327 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 16:51:57,328 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 16:51:57,329 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 16:51:57,329 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 16:51:57,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 16:51:57,336 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 16:51:57,339 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 16:51:57,366 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 16:51:57,366 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 16:51:57,370 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 16:51:57,371 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 16:51:57,371 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 16:51:57,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 16:51:57,371 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 16:51:57,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 16:51:57,372 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 16:51:57,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 16:51:57,372 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 16:51:57,373 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 16:51:57,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 16:51:57,374 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 16:51:57,374 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 16:51:57,374 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 16:51:57,375 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 16:51:57,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 16:51:57,375 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 16:51:57,375 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 16:51:57,376 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 16:51:57,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:51:57,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 16:51:57,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 16:51:57,377 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 16:51:57,377 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 16:51:57,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 16:51:57,378 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 16:51:57,378 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 16:51:57,378 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 -> a08e98589992bcd32695ff0fd47c826511b7c0fa [2019-11-28 16:51:57,687 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 16:51:57,702 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 16:51:57,707 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 16:51:57,709 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 16:51:57,709 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 16:51:57,710 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0680b.c [2019-11-28 16:51:57,784 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2362411b5/0f067d1107a94fca8ba09ead09eb4bc0/FLAG5f7de958f [2019-11-28 16:51:58,293 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 16:51:58,295 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0680b.c [2019-11-28 16:51:58,306 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2362411b5/0f067d1107a94fca8ba09ead09eb4bc0/FLAG5f7de958f [2019-11-28 16:51:58,600 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2362411b5/0f067d1107a94fca8ba09ead09eb4bc0 [2019-11-28 16:51:58,603 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 16:51:58,605 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 16:51:58,606 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 16:51:58,606 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 16:51:58,610 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 16:51:58,611 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:51:58" (1/1) ... [2019-11-28 16:51:58,614 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@130f84e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:58, skipping insertion in model container [2019-11-28 16:51:58,614 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:51:58" (1/1) ... [2019-11-28 16:51:58,622 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 16:51:58,667 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 16:51:58,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:51:58,895 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 16:51:59,020 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:51:59,044 INFO L208 MainTranslator]: Completed translation [2019-11-28 16:51:59,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:59 WrapperNode [2019-11-28 16:51:59,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 16:51:59,045 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 16:51:59,046 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 16:51:59,046 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 16:51:59,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:59" (1/1) ... [2019-11-28 16:51:59,071 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:59" (1/1) ... [2019-11-28 16:51:59,124 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 16:51:59,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 16:51:59,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 16:51:59,125 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 16:51:59,133 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:59" (1/1) ... [2019-11-28 16:51:59,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:59" (1/1) ... [2019-11-28 16:51:59,139 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:59" (1/1) ... [2019-11-28 16:51:59,140 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:59" (1/1) ... [2019-11-28 16:51:59,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:59" (1/1) ... [2019-11-28 16:51:59,171 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:59" (1/1) ... [2019-11-28 16:51:59,175 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:59" (1/1) ... [2019-11-28 16:51:59,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 16:51:59,181 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 16:51:59,181 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 16:51:59,181 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 16:51:59,182 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:59" (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 [2019-11-28 16:51:59,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 16:51:59,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-28 16:51:59,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 16:51:59,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-28 16:51:59,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 16:51:59,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 16:51:59,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 16:51:59,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-11-28 16:51:59,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 16:52:00,035 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 16:52:00,036 INFO L287 CfgBuilder]: Removed 40 assume(true) statements. [2019-11-28 16:52:00,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:52:00 BoogieIcfgContainer [2019-11-28 16:52:00,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 16:52:00,039 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 16:52:00,039 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 16:52:00,042 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 16:52:00,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:51:58" (1/3) ... [2019-11-28 16:52:00,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c61fdc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:52:00, skipping insertion in model container [2019-11-28 16:52:00,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:59" (2/3) ... [2019-11-28 16:52:00,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c61fdc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:52:00, skipping insertion in model container [2019-11-28 16:52:00,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:52:00" (3/3) ... [2019-11-28 16:52:00,046 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0680b.c [2019-11-28 16:52:00,057 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 16:52:00,070 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 16:52:00,083 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 16:52:00,127 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 16:52:00,127 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 16:52:00,128 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 16:52:00,128 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 16:52:00,128 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 16:52:00,129 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 16:52:00,129 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 16:52:00,129 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 16:52:00,157 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states. [2019-11-28 16:52:00,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-28 16:52:00,170 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:52:00,172 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:52:00,172 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:52:00,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:52:00,182 INFO L82 PathProgramCache]: Analyzing trace with hash 1264035265, now seen corresponding path program 1 times [2019-11-28 16:52:00,192 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:52:00,193 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305658147] [2019-11-28 16:52:00,194 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:52:00,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:52:00,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:52:00,349 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305658147] [2019-11-28 16:52:00,350 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:52:00,350 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 16:52:00,351 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196611349] [2019-11-28 16:52:00,355 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 16:52:00,356 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 16:52:00,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 16:52:00,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 16:52:00,369 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 2 states. [2019-11-28 16:52:00,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:52:00,402 INFO L93 Difference]: Finished difference Result 216 states and 362 transitions. [2019-11-28 16:52:00,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 16:52:00,404 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-28 16:52:00,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:52:00,417 INFO L225 Difference]: With dead ends: 216 [2019-11-28 16:52:00,417 INFO L226 Difference]: Without dead ends: 106 [2019-11-28 16:52:00,421 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 [2019-11-28 16:52:00,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2019-11-28 16:52:00,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2019-11-28 16:52:00,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-11-28 16:52:00,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 154 transitions. [2019-11-28 16:52:00,462 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 154 transitions. Word has length 10 [2019-11-28 16:52:00,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:52:00,463 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 154 transitions. [2019-11-28 16:52:00,463 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 16:52:00,463 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 154 transitions. [2019-11-28 16:52:00,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-28 16:52:00,464 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:52:00,464 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:52:00,464 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:52:00,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:52:00,465 INFO L82 PathProgramCache]: Analyzing trace with hash -925353302, now seen corresponding path program 1 times [2019-11-28 16:52:00,465 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:52:00,466 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337036655] [2019-11-28 16:52:00,466 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:52:00,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 16:52:00,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 16:52:00,647 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 16:52:00,648 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 16:52:00,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:52:00 BoogieIcfgContainer [2019-11-28 16:52:00,691 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 16:52:00,692 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 16:52:00,692 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 16:52:00,692 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 16:52:00,693 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:52:00" (3/4) ... [2019-11-28 16:52:00,697 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 16:52:00,697 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 16:52:00,700 INFO L168 Benchmark]: Toolchain (without parser) took 2094.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 951.0 MB in the beginning and 1.0 GB in the end (delta: -68.9 MB). Peak memory consumption was 59.0 MB. Max. memory is 11.5 GB. [2019-11-28 16:52:00,701 INFO L168 Benchmark]: CDTParser took 0.77 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. [2019-11-28 16:52:00,702 INFO L168 Benchmark]: CACSL2BoogieTranslator took 438.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -166.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-11-28 16:52:00,703 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 16:52:00,704 INFO L168 Benchmark]: Boogie Preprocessor took 55.51 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. [2019-11-28 16:52:00,705 INFO L168 Benchmark]: RCFGBuilder took 856.74 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: 57.8 MB). Peak memory consumption was 57.8 MB. Max. memory is 11.5 GB. [2019-11-28 16:52:00,706 INFO L168 Benchmark]: TraceAbstraction took 652.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. [2019-11-28 16:52:00,706 INFO L168 Benchmark]: Witness Printer took 5.61 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:52:00,711 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77 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 438.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -166.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 79.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.51 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 856.74 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: 57.8 MB). Peak memory consumption was 57.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 652.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. * Witness Printer took 5.61 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 228]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 227, overapproximation of someUnaryDOUBLEoperation at line 42, overapproximation of bitwiseAnd at line 133, overapproximation of someUnaryFLOAToperation at line 221, overapproximation of someBinaryArithmeticFLOAToperation at line 135. Possible FailurePath: [L27-L32] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L34-L39] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L41-L45] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L47-L49] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L115-L116] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L221] float x = -0.0f; [L222] float y = -0.0f; [L119] float z; [L120] __int32_t k, m, hx, hy, ix, iy; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L123] ieee_float_shape_type gf_u; [L124] gf_u.value = (x) [L125] EXPR gf_u.word [L125] (hx) = gf_u.word [L127] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L129] ieee_float_shape_type gf_u; [L130] gf_u.value = (y) [L131] EXPR gf_u.word [L131] (hy) = gf_u.word [L133] iy = hy & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L134] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L135] return x + y; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L224] float res = __ieee754_atan2f(y, x); [L227] COND TRUE res != -pi VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L228] __VERIFIER_error() VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 109 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 157 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=109occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-11-28 16:52:02,758 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 16:52:02,761 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 16:52:02,779 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 16:52:02,780 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 16:52:02,782 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 16:52:02,784 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 16:52:02,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 16:52:02,799 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 16:52:02,802 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 16:52:02,803 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 16:52:02,805 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 16:52:02,806 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 16:52:02,809 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 16:52:02,811 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 16:52:02,812 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 16:52:02,814 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 16:52:02,815 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 16:52:02,818 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 16:52:02,822 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 16:52:02,826 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 16:52:02,831 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 16:52:02,832 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 16:52:02,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 16:52:02,836 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 16:52:02,836 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 16:52:02,837 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 16:52:02,838 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 16:52:02,838 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 16:52:02,839 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 16:52:02,839 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 16:52:02,840 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 16:52:02,841 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 16:52:02,842 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 16:52:02,843 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 16:52:02,843 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 16:52:02,844 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 16:52:02,844 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 16:52:02,844 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 16:52:02,845 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 16:52:02,846 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 16:52:02,847 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 16:52:02,864 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 16:52:02,865 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 16:52:02,866 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 16:52:02,866 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 16:52:02,867 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 16:52:02,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 16:52:02,867 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 16:52:02,868 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 16:52:02,868 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 16:52:02,868 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 16:52:02,868 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 16:52:02,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 16:52:02,869 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 16:52:02,869 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 16:52:02,870 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 16:52:02,870 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 16:52:02,870 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 16:52:02,870 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 16:52:02,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 16:52:02,871 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 16:52:02,871 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 16:52:02,872 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 16:52:02,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:52:02,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 16:52:02,872 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 16:52:02,873 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 16:52:02,873 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 16:52:02,873 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 16:52:02,874 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 16:52:02,874 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 16:52:02,874 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 16:52:02,874 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 -> a08e98589992bcd32695ff0fd47c826511b7c0fa [2019-11-28 16:52:03,181 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 16:52:03,194 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 16:52:03,198 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 16:52:03,199 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 16:52:03,200 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 16:52:03,201 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0680b.c [2019-11-28 16:52:03,264 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b00b715bc/852f4260c0a0434582d69611aafe11fe/FLAGe5fc6453d [2019-11-28 16:52:03,751 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 16:52:03,752 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0680b.c [2019-11-28 16:52:03,765 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b00b715bc/852f4260c0a0434582d69611aafe11fe/FLAGe5fc6453d [2019-11-28 16:52:04,128 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b00b715bc/852f4260c0a0434582d69611aafe11fe [2019-11-28 16:52:04,132 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 16:52:04,134 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 16:52:04,135 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 16:52:04,135 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 16:52:04,139 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 16:52:04,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:52:04" (1/1) ... [2019-11-28 16:52:04,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@407e02d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:04, skipping insertion in model container [2019-11-28 16:52:04,144 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:52:04" (1/1) ... [2019-11-28 16:52:04,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 16:52:04,199 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 16:52:04,556 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:52:04,575 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 16:52:04,648 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:52:04,687 INFO L208 MainTranslator]: Completed translation [2019-11-28 16:52:04,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:04 WrapperNode [2019-11-28 16:52:04,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 16:52:04,688 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 16:52:04,689 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 16:52:04,689 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 16:52:04,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:04" (1/1) ... [2019-11-28 16:52:04,714 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:04" (1/1) ... [2019-11-28 16:52:04,760 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 16:52:04,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 16:52:04,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 16:52:04,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 16:52:04,775 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:04" (1/1) ... [2019-11-28 16:52:04,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:04" (1/1) ... [2019-11-28 16:52:04,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:04" (1/1) ... [2019-11-28 16:52:04,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:04" (1/1) ... [2019-11-28 16:52:04,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:04" (1/1) ... [2019-11-28 16:52:04,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:04" (1/1) ... [2019-11-28 16:52:04,839 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:04" (1/1) ... [2019-11-28 16:52:04,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 16:52:04,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 16:52:04,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 16:52:04,847 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 16:52:04,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:04" (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 [2019-11-28 16:52:04,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2019-11-28 16:52:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 16:52:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-11-28 16:52:04,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 16:52:04,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 16:52:04,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 16:52:04,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-11-28 16:52:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 16:52:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 16:52:20,965 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 16:52:20,965 INFO L287 CfgBuilder]: Removed 40 assume(true) statements. [2019-11-28 16:52:20,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:52:20 BoogieIcfgContainer [2019-11-28 16:52:20,967 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 16:52:20,968 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 16:52:20,968 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 16:52:20,971 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 16:52:20,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:52:04" (1/3) ... [2019-11-28 16:52:20,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ef7c195 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:52:20, skipping insertion in model container [2019-11-28 16:52:20,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:04" (2/3) ... [2019-11-28 16:52:20,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ef7c195 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:52:20, skipping insertion in model container [2019-11-28 16:52:20,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:52:20" (3/3) ... [2019-11-28 16:52:20,975 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0680b.c [2019-11-28 16:52:20,985 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 16:52:20,993 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 16:52:21,006 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 16:52:21,032 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 16:52:21,033 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 16:52:21,033 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 16:52:21,033 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 16:52:21,033 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 16:52:21,034 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 16:52:21,034 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 16:52:21,034 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 16:52:21,052 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states. [2019-11-28 16:52:21,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-28 16:52:21,058 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:52:21,058 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:52:21,059 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:52:21,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:52:21,066 INFO L82 PathProgramCache]: Analyzing trace with hash 1264035265, now seen corresponding path program 1 times [2019-11-28 16:52:21,079 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 16:52:21,080 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [185456905] [2019-11-28 16:52:21,081 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 [2019-11-28 16:52:21,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:52:22,081 INFO L264 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-28 16:52:22,085 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:52:22,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:52:22,098 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 16:52:22,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:52:22,102 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [185456905] [2019-11-28 16:52:22,103 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:52:22,103 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-28 16:52:22,104 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466346116] [2019-11-28 16:52:22,108 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 16:52:22,109 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 16:52:22,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 16:52:22,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 16:52:22,121 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 2 states. [2019-11-28 16:52:22,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:52:22,151 INFO L93 Difference]: Finished difference Result 216 states and 362 transitions. [2019-11-28 16:52:22,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 16:52:22,152 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-28 16:52:22,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:52:22,163 INFO L225 Difference]: With dead ends: 216 [2019-11-28 16:52:22,164 INFO L226 Difference]: Without dead ends: 106 [2019-11-28 16:52:22,168 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 16:52:22,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2019-11-28 16:52:22,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2019-11-28 16:52:22,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-11-28 16:52:22,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 154 transitions. [2019-11-28 16:52:22,218 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 154 transitions. Word has length 10 [2019-11-28 16:52:22,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:52:22,219 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 154 transitions. [2019-11-28 16:52:22,219 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 16:52:22,219 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 154 transitions. [2019-11-28 16:52:22,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-28 16:52:22,220 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:52:22,221 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:52:22,436 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 16:52:22,436 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:52:22,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:52:22,437 INFO L82 PathProgramCache]: Analyzing trace with hash -925353302, now seen corresponding path program 1 times [2019-11-28 16:52:22,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 16:52:22,438 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1150038494] [2019-11-28 16:52:22,438 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 [2019-11-28 16:52:23,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:52:23,592 INFO L264 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-28 16:52:23,595 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:52:23,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:52:23,828 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 16:52:23,913 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:52:24,067 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:52:24,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:52:24,190 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1150038494] [2019-11-28 16:52:24,190 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:52:24,190 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2019-11-28 16:52:24,191 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722168792] [2019-11-28 16:52:24,192 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-28 16:52:24,193 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 16:52:24,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-28 16:52:24,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2019-11-28 16:52:24,194 INFO L87 Difference]: Start difference. First operand 106 states and 154 transitions. Second operand 12 states. [2019-11-28 16:52:24,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:52:24,596 INFO L93 Difference]: Finished difference Result 113 states and 162 transitions. [2019-11-28 16:52:24,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 16:52:24,602 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 12 [2019-11-28 16:52:24,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:52:24,603 INFO L225 Difference]: With dead ends: 113 [2019-11-28 16:52:24,603 INFO L226 Difference]: Without dead ends: 24 [2019-11-28 16:52:24,605 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2019-11-28 16:52:24,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-11-28 16:52:24,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-11-28 16:52:24,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-28 16:52:24,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2019-11-28 16:52:24,610 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 12 [2019-11-28 16:52:24,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:52:24,610 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2019-11-28 16:52:24,611 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-28 16:52:24,611 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2019-11-28 16:52:24,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 16:52:24,612 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:52:24,612 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:52:24,823 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-28 16:52:24,824 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:52:24,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:52:24,825 INFO L82 PathProgramCache]: Analyzing trace with hash 851663127, now seen corresponding path program 1 times [2019-11-28 16:52:24,826 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 16:52:24,827 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [705356508] [2019-11-28 16:52:24,827 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 [2019-11-28 16:52:25,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:52:25,844 INFO L264 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-28 16:52:25,847 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:52:25,885 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:52:25,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:52:25,903 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 16:52:25,905 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:52:26,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:52:26,010 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [705356508] [2019-11-28 16:52:26,010 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:52:26,010 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2019-11-28 16:52:26,011 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823755540] [2019-11-28 16:52:26,012 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-28 16:52:26,013 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 16:52:26,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-28 16:52:26,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-11-28 16:52:26,015 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand 9 states. [2019-11-28 16:52:26,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:52:26,228 INFO L93 Difference]: Finished difference Result 36 states and 41 transitions. [2019-11-28 16:52:26,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 16:52:26,230 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 17 [2019-11-28 16:52:26,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:52:26,231 INFO L225 Difference]: With dead ends: 36 [2019-11-28 16:52:26,231 INFO L226 Difference]: Without dead ends: 24 [2019-11-28 16:52:26,232 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2019-11-28 16:52:26,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-11-28 16:52:26,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-11-28 16:52:26,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-28 16:52:26,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2019-11-28 16:52:26,237 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 17 [2019-11-28 16:52:26,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:52:26,238 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2019-11-28 16:52:26,238 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-28 16:52:26,238 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2019-11-28 16:52:26,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 16:52:26,239 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:52:26,240 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:52:26,445 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-28 16:52:26,446 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:52:26,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:52:26,447 INFO L82 PathProgramCache]: Analyzing trace with hash -1894733472, now seen corresponding path program 1 times [2019-11-28 16:52:26,448 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 16:52:26,449 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [133292266] [2019-11-28 16:52:26,449 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-28 16:52:27,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:52:27,492 INFO L264 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-28 16:52:27,495 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:52:27,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:52:27,776 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 16:52:27,778 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:52:27,805 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:52:27,806 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:52:27,811 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:52:27,866 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:52:27,867 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-28 16:52:27,869 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-28 16:52:27,958 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-28 16:52:28,160 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-28 16:52:28,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:52:28,354 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [133292266] [2019-11-28 16:52:28,354 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:52:28,355 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 9] imperfect sequences [] total 14 [2019-11-28 16:52:28,355 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217507884] [2019-11-28 16:52:28,356 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-28 16:52:28,356 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 16:52:28,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-28 16:52:28,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2019-11-28 16:52:28,358 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand 14 states. [2019-11-28 16:52:28,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:52:28,848 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2019-11-28 16:52:28,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 16:52:28,853 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2019-11-28 16:52:28,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:52:28,853 INFO L225 Difference]: With dead ends: 28 [2019-11-28 16:52:28,853 INFO L226 Difference]: Without dead ends: 24 [2019-11-28 16:52:28,854 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 19 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2019-11-28 16:52:28,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-11-28 16:52:28,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-11-28 16:52:28,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-28 16:52:28,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2019-11-28 16:52:28,858 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 18 [2019-11-28 16:52:28,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:52:28,859 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2019-11-28 16:52:28,859 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-28 16:52:28,859 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2019-11-28 16:52:28,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 16:52:28,865 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:52:28,865 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:52:29,066 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-28 16:52:29,067 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:52:29,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:52:29,068 INFO L82 PathProgramCache]: Analyzing trace with hash 1386426768, now seen corresponding path program 1 times [2019-11-28 16:52:29,068 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 16:52:29,069 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2083399896] [2019-11-28 16:52:29,069 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-11-28 16:52:29,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:52:30,069 INFO L264 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-28 16:52:30,070 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:52:30,395 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2019-11-28 16:52:30,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:52:30,400 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 16:52:31,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:52:31,019 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2083399896] [2019-11-28 16:52:31,019 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:52:31,020 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-11-28 16:52:31,020 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95505169] [2019-11-28 16:52:31,020 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 16:52:31,020 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 16:52:31,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 16:52:31,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-28 16:52:31,022 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand 8 states. [2019-11-28 16:52:31,369 WARN L192 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 20 [2019-11-28 16:52:31,715 WARN L192 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 22 [2019-11-28 16:52:31,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:52:31,796 INFO L93 Difference]: Finished difference Result 28 states and 27 transitions. [2019-11-28 16:52:31,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 16:52:31,798 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2019-11-28 16:52:31,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:52:31,798 INFO L225 Difference]: With dead ends: 28 [2019-11-28 16:52:31,799 INFO L226 Difference]: Without dead ends: 24 [2019-11-28 16:52:31,799 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-28 16:52:31,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-11-28 16:52:31,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-11-28 16:52:31,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-28 16:52:31,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 23 transitions. [2019-11-28 16:52:31,802 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 23 transitions. Word has length 19 [2019-11-28 16:52:31,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:52:31,803 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 23 transitions. [2019-11-28 16:52:31,803 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 16:52:31,803 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 23 transitions. [2019-11-28 16:52:31,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-28 16:52:31,804 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:52:31,804 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:52:32,006 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-28 16:52:32,007 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:52:32,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:52:32,010 INFO L82 PathProgramCache]: Analyzing trace with hash -984474140, now seen corresponding path program 1 times [2019-11-28 16:52:32,010 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 16:52:32,011 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [516489027] [2019-11-28 16:52:32,011 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-11-28 16:52:32,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:52:33,071 INFO L264 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-28 16:52:33,074 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:52:33,158 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:52:33,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:52:33,181 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 16:52:33,182 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:52:33,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:52:33,340 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [516489027] [2019-11-28 16:52:33,341 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:52:33,341 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2019-11-28 16:52:33,341 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844862068] [2019-11-28 16:52:33,341 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-28 16:52:33,342 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 16:52:33,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-28 16:52:33,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2019-11-28 16:52:33,342 INFO L87 Difference]: Start difference. First operand 24 states and 23 transitions. Second operand 11 states. [2019-11-28 16:52:33,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:52:33,577 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2019-11-28 16:52:33,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 16:52:33,577 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 23 [2019-11-28 16:52:33,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:52:33,578 INFO L225 Difference]: With dead ends: 24 [2019-11-28 16:52:33,578 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 16:52:33,579 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2019-11-28 16:52:33,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 16:52:33,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 16:52:33,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 16:52:33,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 16:52:33,579 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2019-11-28 16:52:33,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:52:33,580 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 16:52:33,580 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-28 16:52:33,580 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 16:52:33,580 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 16:52:33,780 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-11-28 16:52:33,784 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 16:52:34,273 WARN L192 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2019-11-28 16:52:34,325 INFO L242 CegarLoopResult]: At program point L118(lines 118 213) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) .cse0) (= ULTIMATE.start___ieee754_atan2f_~y .cse0) (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3141592741.0 1000000000.0))) ~pi~0) (exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (= ULTIMATE.start___ieee754_atan2f_~iy~0 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (fp.neg (_ +zero 8 24))))) (= |ULTIMATE.start___ieee754_atan2f_#res| (fp.sub roundNearestTiesToEven (fp.neg ~pi~0) ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0))))) (exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32)) (ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (let ((.cse1 (fp.neg (_ +zero 8 24)))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) .cse1) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) .cse1) (= ULTIMATE.start___ieee754_atan2f_~m~0 (bvor (bvand (_ bv1 32) (bvashr ULTIMATE.start___ieee754_atan2f_~hy~0 (_ bv31 32))) (bvand (_ bv2 32) (bvashr ULTIMATE.start___ieee754_atan2f_~hx~1 (_ bv30 32)))))))) (= ULTIMATE.start___ieee754_atan2f_~x .cse0) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) .cse0) (exists ((ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (fp.neg (_ +zero 8 24))) (= ULTIMATE.start___ieee754_atan2f_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1)))) (= currentRoundingMode roundNearestTiesToEven) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0))) [2019-11-28 16:52:34,325 INFO L246 CegarLoopResult]: For program point L19(lines 19 23) no Hoare annotation was computed. [2019-11-28 16:52:34,325 INFO L246 CegarLoopResult]: For program point L19-1(lines 12 25) no Hoare annotation was computed. [2019-11-28 16:52:34,325 INFO L246 CegarLoopResult]: For program point L19-2(lines 19 23) no Hoare annotation was computed. [2019-11-28 16:52:34,325 INFO L246 CegarLoopResult]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2019-11-28 16:52:34,325 INFO L246 CegarLoopResult]: For program point L19-4(lines 12 25) no Hoare annotation was computed. [2019-11-28 16:52:34,325 INFO L246 CegarLoopResult]: For program point L19-5(lines 19 23) no Hoare annotation was computed. [2019-11-28 16:52:34,326 INFO L246 CegarLoopResult]: For program point L19-6(lines 19 23) no Hoare annotation was computed. [2019-11-28 16:52:34,326 INFO L246 CegarLoopResult]: For program point L19-7(lines 12 25) no Hoare annotation was computed. [2019-11-28 16:52:34,326 INFO L246 CegarLoopResult]: For program point L19-8(lines 19 23) no Hoare annotation was computed. [2019-11-28 16:52:34,326 INFO L246 CegarLoopResult]: For program point L201(lines 201 205) no Hoare annotation was computed. [2019-11-28 16:52:34,326 INFO L246 CegarLoopResult]: For program point L168(lines 168 177) no Hoare annotation was computed. [2019-11-28 16:52:34,326 INFO L246 CegarLoopResult]: For program point L201-1(lines 194 206) no Hoare annotation was computed. [2019-11-28 16:52:34,326 INFO L246 CegarLoopResult]: For program point L201-2(lines 201 205) no Hoare annotation was computed. [2019-11-28 16:52:34,326 INFO L246 CegarLoopResult]: For program point L69(lines 69 94) no Hoare annotation was computed. [2019-11-28 16:52:34,326 INFO L246 CegarLoopResult]: For program point L69-2(lines 69 94) no Hoare annotation was computed. [2019-11-28 16:52:34,326 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 16:52:34,326 INFO L246 CegarLoopResult]: For program point L185(lines 185 190) no Hoare annotation was computed. [2019-11-28 16:52:34,327 INFO L246 CegarLoopResult]: For program point L86(lines 86 92) no Hoare annotation was computed. [2019-11-28 16:52:34,327 INFO L246 CegarLoopResult]: For program point L86-2(lines 69 94) no Hoare annotation was computed. [2019-11-28 16:52:34,327 INFO L246 CegarLoopResult]: For program point L86-3(lines 86 92) no Hoare annotation was computed. [2019-11-28 16:52:34,327 INFO L246 CegarLoopResult]: For program point L86-5(lines 69 94) no Hoare annotation was computed. [2019-11-28 16:52:34,327 INFO L246 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-28 16:52:34,328 INFO L246 CegarLoopResult]: For program point L136(lines 136 137) no Hoare annotation was computed. [2019-11-28 16:52:34,328 INFO L246 CegarLoopResult]: For program point L70(lines 70 73) no Hoare annotation was computed. [2019-11-28 16:52:34,328 INFO L246 CegarLoopResult]: For program point L70-2(lines 70 73) no Hoare annotation was computed. [2019-11-28 16:52:34,328 INFO L246 CegarLoopResult]: For program point L70-3(lines 70 73) no Hoare annotation was computed. [2019-11-28 16:52:34,328 INFO L246 CegarLoopResult]: For program point L70-5(lines 70 73) no Hoare annotation was computed. [2019-11-28 16:52:34,328 INFO L246 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2019-11-28 16:52:34,328 INFO L246 CegarLoopResult]: For program point L153-2(line 153) no Hoare annotation was computed. [2019-11-28 16:52:34,328 INFO L246 CegarLoopResult]: For program point L71(lines 71 72) no Hoare annotation was computed. [2019-11-28 16:52:34,329 INFO L246 CegarLoopResult]: For program point L71-1(lines 71 72) no Hoare annotation was computed. [2019-11-28 16:52:34,329 INFO L246 CegarLoopResult]: For program point L187(lines 187 190) no Hoare annotation was computed. [2019-11-28 16:52:34,329 INFO L246 CegarLoopResult]: For program point L187-2(lines 185 190) no Hoare annotation was computed. [2019-11-28 16:52:34,329 INFO L246 CegarLoopResult]: For program point L55-1(lines 55 59) no Hoare annotation was computed. [2019-11-28 16:52:34,329 INFO L242 CegarLoopResult]: At program point L55-2(lines 55 59) the Hoare annotation is: false [2019-11-28 16:52:34,329 INFO L246 CegarLoopResult]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2019-11-28 16:52:34,329 INFO L246 CegarLoopResult]: For program point L55-5(lines 55 59) no Hoare annotation was computed. [2019-11-28 16:52:34,330 INFO L242 CegarLoopResult]: At program point L55-6(lines 55 59) the Hoare annotation is: false [2019-11-28 16:52:34,330 INFO L246 CegarLoopResult]: For program point L55-7(lines 55 59) no Hoare annotation was computed. [2019-11-28 16:52:34,330 INFO L246 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2019-11-28 16:52:34,330 INFO L246 CegarLoopResult]: For program point L155(lines 155 179) no Hoare annotation was computed. [2019-11-28 16:52:34,330 INFO L246 CegarLoopResult]: For program point L155-1(lines 118 213) no Hoare annotation was computed. [2019-11-28 16:52:34,330 INFO L246 CegarLoopResult]: For program point L122-1(lines 122 126) no Hoare annotation was computed. [2019-11-28 16:52:34,330 INFO L242 CegarLoopResult]: At program point L122-2(lines 122 126) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= ~pi~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 1000000000.0)))) (= ULTIMATE.start___ieee754_atan2f_~y .cse0) (= ULTIMATE.start___ieee754_atan2f_~x .cse0) (= currentRoundingMode roundNearestTiesToEven) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0))) [2019-11-28 16:52:34,330 INFO L246 CegarLoopResult]: For program point L122-3(lines 122 126) no Hoare annotation was computed. [2019-11-28 16:52:34,330 INFO L246 CegarLoopResult]: For program point L156(lines 156 178) no Hoare annotation was computed. [2019-11-28 16:52:34,331 INFO L242 CegarLoopResult]: At program point L24(lines 12 25) the Hoare annotation is: false [2019-11-28 16:52:34,331 INFO L242 CegarLoopResult]: At program point L24-1(lines 12 25) the Hoare annotation is: false [2019-11-28 16:52:34,331 INFO L242 CegarLoopResult]: At program point L24-2(lines 12 25) the Hoare annotation is: false [2019-11-28 16:52:34,331 INFO L246 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2019-11-28 16:52:34,331 INFO L246 CegarLoopResult]: For program point L140(lines 140 150) no Hoare annotation was computed. [2019-11-28 16:52:34,331 INFO L246 CegarLoopResult]: For program point L107(lines 107 112) no Hoare annotation was computed. [2019-11-28 16:52:34,331 INFO L246 CegarLoopResult]: For program point L140-2(lines 118 213) no Hoare annotation was computed. [2019-11-28 16:52:34,332 INFO L246 CegarLoopResult]: For program point L107-1(lines 107 112) no Hoare annotation was computed. [2019-11-28 16:52:34,332 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 16:52:34,332 INFO L246 CegarLoopResult]: For program point L157(lines 157 166) no Hoare annotation was computed. [2019-11-28 16:52:34,332 INFO L246 CegarLoopResult]: For program point L141(lines 141 149) no Hoare annotation was computed. [2019-11-28 16:52:34,333 INFO L246 CegarLoopResult]: For program point L191(lines 191 212) no Hoare annotation was computed. [2019-11-28 16:52:34,333 INFO L246 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2019-11-28 16:52:34,333 INFO L246 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2019-11-28 16:52:34,333 INFO L246 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-28 16:52:34,333 INFO L246 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-28 16:52:34,334 INFO L246 CegarLoopResult]: For program point L142-2(line 142) no Hoare annotation was computed. [2019-11-28 16:52:34,334 INFO L246 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2019-11-28 16:52:34,334 INFO L246 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2019-11-28 16:52:34,334 INFO L246 CegarLoopResult]: For program point L77(lines 77 93) no Hoare annotation was computed. [2019-11-28 16:52:34,334 INFO L246 CegarLoopResult]: For program point L77-1(lines 77 93) no Hoare annotation was computed. [2019-11-28 16:52:34,335 INFO L246 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-28 16:52:34,335 INFO L246 CegarLoopResult]: For program point L61(lines 61 68) no Hoare annotation was computed. [2019-11-28 16:52:34,335 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 16:52:34,335 INFO L246 CegarLoopResult]: For program point L61-1(lines 61 68) no Hoare annotation was computed. [2019-11-28 16:52:34,335 INFO L246 CegarLoopResult]: For program point L210(line 210) no Hoare annotation was computed. [2019-11-28 16:52:34,336 INFO L246 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2019-11-28 16:52:34,336 INFO L246 CegarLoopResult]: For program point L78(lines 78 84) no Hoare annotation was computed. [2019-11-28 16:52:34,336 INFO L246 CegarLoopResult]: For program point L111-2(line 111) no Hoare annotation was computed. [2019-11-28 16:52:34,336 INFO L242 CegarLoopResult]: At program point L111-3(lines 51 113) the Hoare annotation is: false [2019-11-28 16:52:34,336 INFO L246 CegarLoopResult]: For program point L78-3(lines 78 84) no Hoare annotation was computed. [2019-11-28 16:52:34,336 INFO L246 CegarLoopResult]: For program point L111-4(line 111) no Hoare annotation was computed. [2019-11-28 16:52:34,336 INFO L246 CegarLoopResult]: For program point L111-6(line 111) no Hoare annotation was computed. [2019-11-28 16:52:34,337 INFO L242 CegarLoopResult]: At program point L111-7(lines 51 113) the Hoare annotation is: false [2019-11-28 16:52:34,337 INFO L246 CegarLoopResult]: For program point L227(lines 227 230) no Hoare annotation was computed. [2019-11-28 16:52:34,337 INFO L246 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2019-11-28 16:52:34,337 INFO L246 CegarLoopResult]: For program point L128-1(lines 128 132) no Hoare annotation was computed. [2019-11-28 16:52:34,337 INFO L242 CegarLoopResult]: At program point L128-2(lines 128 132) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= ~pi~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 1000000000.0)))) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) .cse0) (= ULTIMATE.start___ieee754_atan2f_~y .cse0) (= ULTIMATE.start___ieee754_atan2f_~x .cse0) (exists ((ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (fp.neg (_ +zero 8 24))) (= ULTIMATE.start___ieee754_atan2f_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1)))) (= currentRoundingMode roundNearestTiesToEven) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0))) [2019-11-28 16:52:34,338 INFO L246 CegarLoopResult]: For program point L62(lines 62 63) no Hoare annotation was computed. [2019-11-28 16:52:34,338 INFO L246 CegarLoopResult]: For program point L128-3(lines 128 132) no Hoare annotation was computed. [2019-11-28 16:52:34,338 INFO L246 CegarLoopResult]: For program point L62-1(lines 62 63) no Hoare annotation was computed. [2019-11-28 16:52:34,338 INFO L246 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-28 16:52:34,338 INFO L246 CegarLoopResult]: For program point L228(line 228) no Hoare annotation was computed. [2019-11-28 16:52:34,339 INFO L246 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2019-11-28 16:52:34,339 INFO L246 CegarLoopResult]: For program point L14-1(lines 14 18) no Hoare annotation was computed. [2019-11-28 16:52:34,339 INFO L242 CegarLoopResult]: At program point L14-2(lines 14 18) the Hoare annotation is: false [2019-11-28 16:52:34,339 INFO L246 CegarLoopResult]: For program point L14-5(lines 14 18) no Hoare annotation was computed. [2019-11-28 16:52:34,339 INFO L242 CegarLoopResult]: At program point L14-6(lines 14 18) the Hoare annotation is: false [2019-11-28 16:52:34,340 INFO L246 CegarLoopResult]: For program point L14-9(lines 14 18) no Hoare annotation was computed. [2019-11-28 16:52:34,340 INFO L242 CegarLoopResult]: At program point L14-10(lines 14 18) the Hoare annotation is: false [2019-11-28 16:52:34,340 INFO L246 CegarLoopResult]: For program point L196-1(lines 196 200) no Hoare annotation was computed. [2019-11-28 16:52:34,340 INFO L242 CegarLoopResult]: At program point L196-2(lines 196 200) the Hoare annotation is: false [2019-11-28 16:52:34,340 INFO L246 CegarLoopResult]: For program point L64(lines 64 67) no Hoare annotation was computed. [2019-11-28 16:52:34,340 INFO L246 CegarLoopResult]: For program point L64-1(lines 64 67) no Hoare annotation was computed. [2019-11-28 16:52:34,340 INFO L246 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2019-11-28 16:52:34,340 INFO L246 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2019-11-28 16:52:34,341 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 16:52:34,341 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 228) no Hoare annotation was computed. [2019-11-28 16:52:34,341 INFO L246 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2019-11-28 16:52:34,341 INFO L246 CegarLoopResult]: For program point L182-2(line 182) no Hoare annotation was computed. [2019-11-28 16:52:34,341 INFO L249 CegarLoopResult]: At program point L232(lines 214 233) the Hoare annotation is: true [2019-11-28 16:52:34,341 INFO L246 CegarLoopResult]: For program point L134(lines 134 135) no Hoare annotation was computed. [2019-11-28 16:52:34,352 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,353 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,354 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,354 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,357 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:34,359 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,360 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,360 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,361 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,361 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,363 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,363 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,363 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,364 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,364 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:34,364 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,365 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,365 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,365 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,365 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,368 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:34,368 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:34,369 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:34,369 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:34,369 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:34,369 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:34,370 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:34,370 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:34,370 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:34,371 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,371 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,371 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,371 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:34,372 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:34,372 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:34,372 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:34,373 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,373 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,373 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,373 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,374 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,374 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:34,375 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,375 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,375 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,377 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:34,377 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:34,377 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:34,378 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:34,378 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:34,378 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:34,378 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:34,379 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:34,379 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:34,379 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,379 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,380 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,380 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:34,380 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:34,380 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:34,381 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:34,381 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,381 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,382 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,382 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,382 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,382 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:34,383 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,383 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,383 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,385 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:34,385 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,385 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,386 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,386 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,386 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,387 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:34,387 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,387 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,387 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,388 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,388 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:52:34 BoogieIcfgContainer [2019-11-28 16:52:34,391 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 16:52:34,391 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 16:52:34,391 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 16:52:34,391 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 16:52:34,392 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:52:20" (3/4) ... [2019-11-28 16:52:34,396 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 16:52:34,415 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2019-11-28 16:52:34,416 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-28 16:52:34,417 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 16:52:34,452 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pi == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/1000000000)) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 [2019-11-28 16:52:34,452 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/1000000000)) == pi) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: iy == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && \result == ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(pi), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000)))) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32, ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: (~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && m == ~bvor32(~bvand32(1bv32, ~bvashr32(ULTIMATE.start___ieee754_atan2f_~hy~0, 31bv32)), ~bvand32(2bv32, ~bvashr32(ULTIMATE.start___ieee754_atan2f_~hx~1, 30bv32))))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 [2019-11-28 16:52:34,521 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 16:52:34,522 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 16:52:34,523 INFO L168 Benchmark]: Toolchain (without parser) took 30390.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 186.6 MB). Free memory was 963.1 MB in the beginning and 1.0 GB in the end (delta: -55.3 MB). Peak memory consumption was 131.4 MB. Max. memory is 11.5 GB. [2019-11-28 16:52:34,524 INFO L168 Benchmark]: CDTParser took 0.29 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. [2019-11-28 16:52:34,525 INFO L168 Benchmark]: CACSL2BoogieTranslator took 553.15 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 963.1 MB in the beginning and 1.1 GB in the end (delta: -132.6 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-11-28 16:52:34,525 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.52 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:52:34,526 INFO L168 Benchmark]: Boogie Preprocessor took 85.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 16:52:34,526 INFO L168 Benchmark]: RCFGBuilder took 16120.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.1 MB). Peak memory consumption was 61.1 MB. Max. memory is 11.5 GB. [2019-11-28 16:52:34,527 INFO L168 Benchmark]: TraceAbstraction took 13422.73 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 72.4 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 1.9 MB). Peak memory consumption was 74.3 MB. Max. memory is 11.5 GB. [2019-11-28 16:52:34,527 INFO L168 Benchmark]: Witness Printer took 130.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. [2019-11-28 16:52:34,530 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 553.15 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 963.1 MB in the beginning and 1.1 GB in the end (delta: -132.6 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.52 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 85.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 16120.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.1 MB). Peak memory consumption was 61.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13422.73 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 72.4 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 1.9 MB). Peak memory consumption was 74.3 MB. Max. memory is 11.5 GB. * Witness Printer took 130.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 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_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,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_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - 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: 228]: 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: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant [2019-11-28 16:52:34,552 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,553 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,553 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,553 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,553 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:34,554 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,554 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,555 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,555 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,555 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,556 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,556 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,556 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,556 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,557 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:34,557 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,557 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,558 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,558 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,558 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((((pi == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/1000000000)) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant [2019-11-28 16:52:34,559 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:34,559 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:34,560 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:34,560 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:34,560 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:34,560 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:34,561 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:34,561 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:34,561 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:34,562 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,562 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,562 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,562 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:34,563 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:34,563 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:34,563 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:34,563 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,564 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,564 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,564 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,564 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,565 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:34,565 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,566 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,566 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,567 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:34,567 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:34,567 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:34,568 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:34,568 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:34,568 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:34,568 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:34,569 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:34,569 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:34,569 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,569 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,570 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,570 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:34,570 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:34,570 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:34,571 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-11-28 16:52:34,571 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,571 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,571 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,572 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,572 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-11-28 16:52:34,572 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:34,573 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,573 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,573 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((((((((~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/1000000000)) == pi) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: iy == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && \result == ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(pi), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000)))) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32, ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: (~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && m == ~bvor32(~bvand32(1bv32, ~bvashr32(ULTIMATE.start___ieee754_atan2f_~hy~0, 31bv32)), ~bvand32(2bv32, ~bvashr32(ULTIMATE.start___ieee754_atan2f_~hx~1, 30bv32))))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant [2019-11-28 16:52:34,575 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:34,576 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,576 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,576 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,576 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,577 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,577 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:52:34,577 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,578 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,578 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,578 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:52:34,578 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((pi == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/1000000000)) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 109 locations, 1 error locations. Result: SAFE, OverallTime: 12.7s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, HoareTripleCheckerStatistics: 230 SDtfs, 366 SDslu, 142 SDs, 0 SdLazy, 156 SolverSat, 35 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 203 GetRequests, 138 SyntacticMatches, 4 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred 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, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 15 PreInvPairs, 19 NumberOfFragments, 217 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 25 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 5.3s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 99 NumberOfCodeBlocks, 99 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 186 ConstructedInterpolants, 34 QuantifiedInterpolants, 42014 SizeOfPredicates, 48 NumberOfNonLiveVariables, 632 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...