./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0660a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0660a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1c3190f495eae54e4d617ff48fc187597eb553c8ed8ec63a4d85f293d62b08d2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:57:57,111 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:57:57,116 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:57:57,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:57:57,190 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:57:57,195 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:57:57,198 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:57:57,203 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:57:57,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:57:57,213 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:57:57,215 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:57:57,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:57:57,218 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:57:57,222 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:57:57,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:57:57,230 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:57:57,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:57:57,234 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:57:57,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:57:57,247 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:57:57,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:57:57,251 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:57:57,255 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:57:57,257 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:57:57,268 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:57:57,269 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:57:57,269 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:57:57,272 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:57:57,273 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:57:57,275 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:57:57,276 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:57:57,277 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:57:57,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:57:57,281 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:57:57,283 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:57:57,284 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:57:57,285 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:57:57,285 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:57:57,286 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:57:57,287 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:57:57,288 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:57:57,289 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-03 04:57:57,347 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:57:57,347 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:57:57,349 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:57:57,350 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:57:57,350 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:57:57,350 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:57:57,351 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 04:57:57,351 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:57:57,351 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:57:57,352 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 04:57:57,353 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 04:57:57,354 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:57:57,354 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 04:57:57,354 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 04:57:57,355 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 04:57:57,356 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:57:57,356 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 04:57:57,356 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 04:57:57,356 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 04:57:57,357 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:57:57,357 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:57:57,357 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:57:57,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:57:57,358 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:57:57,358 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 04:57:57,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:57:57,359 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:57:57,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:57:57,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:57:57,362 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:57:57,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:57:57,363 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:57:57,364 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:57:57,364 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:57:57,364 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 04:57:57,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 04:57:57,365 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:57:57,365 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:57:57,365 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:57:57,366 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c3190f495eae54e4d617ff48fc187597eb553c8ed8ec63a4d85f293d62b08d2 [2021-11-03 04:57:57,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:57:57,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:57:57,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:57:57,740 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:57:57,742 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:57:57,743 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/float-newlib/float_req_bl_0660a.c [2021-11-03 04:57:57,841 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/data/9980990bb/4b13bb968b164018a341ac91d6b3f773/FLAGce7f9005c [2021-11-03 04:57:58,597 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:57:58,597 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/sv-benchmarks/c/float-newlib/float_req_bl_0660a.c [2021-11-03 04:57:58,610 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/data/9980990bb/4b13bb968b164018a341ac91d6b3f773/FLAGce7f9005c [2021-11-03 04:57:58,903 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/data/9980990bb/4b13bb968b164018a341ac91d6b3f773 [2021-11-03 04:57:58,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:57:58,919 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:57:58,926 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:57:58,926 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:57:58,931 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:57:58,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:57:58" (1/1) ... [2021-11-03 04:57:58,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@482b9a24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:57:58, skipping insertion in model container [2021-11-03 04:57:58,936 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:57:58" (1/1) ... [2021-11-03 04:57:58,946 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:57:59,001 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:57:59,333 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/sv-benchmarks/c/float-newlib/float_req_bl_0660a.c[5286,5299] [2021-11-03 04:57:59,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:57:59,351 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 04:57:59,413 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/sv-benchmarks/c/float-newlib/float_req_bl_0660a.c[5286,5299] [2021-11-03 04:57:59,414 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:57:59,438 INFO L208 MainTranslator]: Completed translation [2021-11-03 04:57:59,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:57:59 WrapperNode [2021-11-03 04:57:59,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:57:59,440 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 04:57:59,441 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 04:57:59,441 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 04:57:59,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:57:59" (1/1) ... [2021-11-03 04:57:59,468 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:57:59" (1/1) ... [2021-11-03 04:57:59,530 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 04:57:59,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 04:57:59,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 04:57:59,532 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 04:57:59,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:57:59" (1/1) ... [2021-11-03 04:57:59,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:57:59" (1/1) ... [2021-11-03 04:57:59,552 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:57:59" (1/1) ... [2021-11-03 04:57:59,552 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:57:59" (1/1) ... [2021-11-03 04:57:59,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:57:59" (1/1) ... [2021-11-03 04:57:59,589 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:57:59" (1/1) ... [2021-11-03 04:57:59,593 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:57:59" (1/1) ... [2021-11-03 04:57:59,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 04:57:59,601 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 04:57:59,602 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 04:57:59,602 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 04:57:59,603 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:57:59" (1/1) ... [2021-11-03 04:57:59,616 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:57:59,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:57:59,655 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 04:57:59,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 04:57:59,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-03 04:57:59,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 04:57:59,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-03 04:57:59,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-03 04:57:59,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-03 04:57:59,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 04:57:59,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 04:57:59,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-03 04:57:59,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-03 04:57:59,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 04:58:00,992 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 04:58:00,992 INFO L299 CfgBuilder]: Removed 40 assume(true) statements. [2021-11-03 04:58:00,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:58:00 BoogieIcfgContainer [2021-11-03 04:58:00,996 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 04:58:00,998 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 04:58:01,001 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 04:58:01,005 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 04:58:01,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:57:58" (1/3) ... [2021-11-03 04:58:01,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b31b03d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:58:01, skipping insertion in model container [2021-11-03 04:58:01,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:57:59" (2/3) ... [2021-11-03 04:58:01,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b31b03d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:58:01, skipping insertion in model container [2021-11-03 04:58:01,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:58:00" (3/3) ... [2021-11-03 04:58:01,013 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0660a.c [2021-11-03 04:58:01,020 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 04:58:01,021 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-03 04:58:01,103 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 04:58:01,115 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-03 04:58:01,115 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-03 04:58:01,140 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 76 states have (on average 1.75) internal successors, (133), 77 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:58:01,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-03 04:58:01,168 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:58:01,169 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:58:01,169 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:58:01,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:58:01,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1265042603, now seen corresponding path program 1 times [2021-11-03 04:58:01,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:58:01,193 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027978738] [2021-11-03 04:58:01,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:58:01,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:58:01,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:58:01,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:58:01,458 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:58:01,458 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027978738] [2021-11-03 04:58:01,459 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027978738] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:58:01,459 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:58:01,460 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-03 04:58:01,462 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493288119] [2021-11-03 04:58:01,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-03 04:58:01,472 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:58:01,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-03 04:58:01,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 04:58:01,502 INFO L87 Difference]: Start difference. First operand has 78 states, 76 states have (on average 1.75) internal successors, (133), 77 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:58:01,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:58:01,559 INFO L93 Difference]: Finished difference Result 154 states and 263 transitions. [2021-11-03 04:58:01,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-03 04:58:01,561 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-03 04:58:01,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:58:01,576 INFO L225 Difference]: With dead ends: 154 [2021-11-03 04:58:01,576 INFO L226 Difference]: Without dead ends: 75 [2021-11-03 04:58:01,581 INFO L786 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 [2021-11-03 04:58:01,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-11-03 04:58:01,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-11-03 04:58:01,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.4054054054054055) internal successors, (104), 74 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:58:01,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2021-11-03 04:58:01,642 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 10 [2021-11-03 04:58:01,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:58:01,644 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2021-11-03 04:58:01,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:58:01,645 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2021-11-03 04:58:01,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-03 04:58:01,646 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:58:01,646 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:58:01,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-03 04:58:01,647 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:58:01,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:58:01,652 INFO L85 PathProgramCache]: Analyzing trace with hash -417694818, now seen corresponding path program 1 times [2021-11-03 04:58:01,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:58:01,653 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122129833] [2021-11-03 04:58:01,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:58:01,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:58:01,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-03 04:58:01,784 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-03 04:58:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-03 04:58:01,908 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-03 04:58:01,914 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-03 04:58:01,916 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 04:58:01,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-03 04:58:01,924 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-03 04:58:01,927 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-03 04:58:02,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 04:58:02 BoogieIcfgContainer [2021-11-03 04:58:02,019 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-03 04:58:02,020 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-03 04:58:02,020 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-03 04:58:02,021 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-03 04:58:02,021 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:58:00" (3/4) ... [2021-11-03 04:58:02,025 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-03 04:58:02,026 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-03 04:58:02,028 INFO L168 Benchmark]: Toolchain (without parser) took 3107.54 ms. Allocated memory is still 100.7 MB. Free memory was 66.7 MB in the beginning and 74.5 MB in the end (delta: -7.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 04:58:02,029 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 75.5 MB. Free memory was 50.5 MB in the beginning and 50.5 MB in the end (delta: 28.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 04:58:02,030 INFO L168 Benchmark]: CACSL2BoogieTranslator took 513.82 ms. Allocated memory is still 100.7 MB. Free memory was 66.5 MB in the beginning and 73.1 MB in the end (delta: -6.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-03 04:58:02,031 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.97 ms. Allocated memory is still 100.7 MB. Free memory was 72.7 MB in the beginning and 69.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-03 04:58:02,032 INFO L168 Benchmark]: Boogie Preprocessor took 69.27 ms. Allocated memory is still 100.7 MB. Free memory was 69.7 MB in the beginning and 66.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-03 04:58:02,033 INFO L168 Benchmark]: RCFGBuilder took 1395.05 ms. Allocated memory is still 100.7 MB. Free memory was 66.8 MB in the beginning and 71.8 MB in the end (delta: -5.0 MB). Peak memory consumption was 42.3 MB. Max. memory is 16.1 GB. [2021-11-03 04:58:02,034 INFO L168 Benchmark]: TraceAbstraction took 1021.25 ms. Allocated memory is still 100.7 MB. Free memory was 71.3 MB in the beginning and 74.5 MB in the end (delta: -3.2 MB). Peak memory consumption was 38.9 MB. Max. memory is 16.1 GB. [2021-11-03 04:58:02,035 INFO L168 Benchmark]: Witness Printer took 5.73 ms. Allocated memory is still 100.7 MB. Free memory is still 74.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 04:58:02,040 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 75.5 MB. Free memory was 50.5 MB in the beginning and 50.5 MB in the end (delta: 28.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 513.82 ms. Allocated memory is still 100.7 MB. Free memory was 66.5 MB in the beginning and 73.1 MB in the end (delta: -6.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 89.97 ms. Allocated memory is still 100.7 MB. Free memory was 72.7 MB in the beginning and 69.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 69.27 ms. Allocated memory is still 100.7 MB. Free memory was 69.7 MB in the beginning and 66.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1395.05 ms. Allocated memory is still 100.7 MB. Free memory was 66.8 MB in the beginning and 71.8 MB in the end (delta: -5.0 MB). Peak memory consumption was 42.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1021.25 ms. Allocated memory is still 100.7 MB. Free memory was 71.3 MB in the beginning and 74.5 MB in the end (delta: -3.2 MB). Peak memory consumption was 38.9 MB. Max. memory is 16.1 GB. * Witness Printer took 5.73 ms. Allocated memory is still 100.7 MB. Free memory is still 74.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 232]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 231, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 135, overapproximation of someUnaryFLOAToperation at line 219, overapproximation of someBinaryArithmeticFLOAToperation at line 137. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] 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, }; [L49-L51] 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; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; [L218] float x = __VERIFIER_nondet_float(); [L219] float y = -0.0f; VAL [aT_atan={5:0}, atanhi_atan={7:0}, atanlo_atan={10:0}, 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] [L226] COND TRUE x < 0.0f && y == -0.0f [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [aT_atan={5:0}, atanhi_atan={7:0}, atanlo_atan={10:0}, 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] [L125] ieee_float_shape_type gf_u; [L126] gf_u.value = (x) [L127] EXPR gf_u.word [L127] (hx) = gf_u.word [L129] ix = hx & 0x7fffffff VAL [aT_atan={5:0}, atanhi_atan={7:0}, atanlo_atan={10:0}, 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] [L131] ieee_float_shape_type gf_u; [L132] gf_u.value = (y) [L133] EXPR gf_u.word [L133] (hy) = gf_u.word [L135] iy = hy & 0x7fffffff VAL [aT_atan={5:0}, atanhi_atan={7:0}, atanlo_atan={10:0}, 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] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [aT_atan={5:0}, atanhi_atan={7:0}, atanlo_atan={10:0}, 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] float res = __ieee754_atan2f(y, x); [L231] COND TRUE res != -pi VAL [aT_atan={5:0}, atanhi_atan={7:0}, atanlo_atan={10:0}, 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] [L232] reach_error() VAL [aT_atan={5:0}, atanhi_atan={7:0}, atanlo_atan={10:0}, 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, 78 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 108 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=78occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-03 04:58:02,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0660a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1c3190f495eae54e4d617ff48fc187597eb553c8ed8ec63a4d85f293d62b08d2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:58:05,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:58:05,216 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:58:05,281 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:58:05,282 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:58:05,288 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:58:05,291 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:58:05,297 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:58:05,301 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:58:05,311 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:58:05,313 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:58:05,316 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:58:05,316 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:58:05,320 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:58:05,323 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:58:05,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:58:05,332 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:58:05,333 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:58:05,336 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:58:05,347 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:58:05,350 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:58:05,352 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:58:05,355 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:58:05,359 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:58:05,371 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:58:05,372 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:58:05,372 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:58:05,375 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:58:05,376 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:58:05,377 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:58:05,379 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:58:05,380 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:58:05,383 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:58:05,384 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:58:05,386 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:58:05,386 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:58:05,388 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:58:05,388 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:58:05,388 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:58:05,391 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:58:05,392 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:58:05,393 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-03 04:58:05,449 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:58:05,449 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:58:05,451 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:58:05,451 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:58:05,452 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:58:05,452 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:58:05,452 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:58:05,452 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:58:05,453 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:58:05,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:58:05,456 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 04:58:05,456 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 04:58:05,457 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:58:05,457 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:58:05,457 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:58:05,457 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:58:05,458 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:58:05,458 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 04:58:05,458 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 04:58:05,458 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 04:58:05,459 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:58:05,459 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:58:05,459 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:58:05,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:58:05,460 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 04:58:05,460 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:58:05,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:58:05,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:58:05,461 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:58:05,461 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:58:05,461 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 04:58:05,461 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 04:58:05,462 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:58:05,462 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:58:05,463 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:58:05,477 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c3190f495eae54e4d617ff48fc187597eb553c8ed8ec63a4d85f293d62b08d2 [2021-11-03 04:58:06,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:58:06,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:58:06,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:58:06,118 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:58:06,119 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:58:06,120 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/float-newlib/float_req_bl_0660a.c [2021-11-03 04:58:06,215 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/data/890df234b/fc6f03834e0e4935bac9e06fc6449c61/FLAG2720bf32f [2021-11-03 04:58:06,930 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:58:06,931 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/sv-benchmarks/c/float-newlib/float_req_bl_0660a.c [2021-11-03 04:58:06,944 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/data/890df234b/fc6f03834e0e4935bac9e06fc6449c61/FLAG2720bf32f [2021-11-03 04:58:07,277 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/data/890df234b/fc6f03834e0e4935bac9e06fc6449c61 [2021-11-03 04:58:07,280 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:58:07,282 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:58:07,284 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:58:07,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:58:07,289 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:58:07,290 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:58:07" (1/1) ... [2021-11-03 04:58:07,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35073f35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:58:07, skipping insertion in model container [2021-11-03 04:58:07,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:58:07" (1/1) ... [2021-11-03 04:58:07,301 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:58:07,332 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:58:07,581 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/sv-benchmarks/c/float-newlib/float_req_bl_0660a.c[5286,5299] [2021-11-03 04:58:07,585 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:58:07,603 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 04:58:07,726 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/sv-benchmarks/c/float-newlib/float_req_bl_0660a.c[5286,5299] [2021-11-03 04:58:07,727 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:58:07,754 INFO L208 MainTranslator]: Completed translation [2021-11-03 04:58:07,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:58:07 WrapperNode [2021-11-03 04:58:07,755 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:58:07,757 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 04:58:07,757 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 04:58:07,757 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 04:58:07,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:58:07" (1/1) ... [2021-11-03 04:58:07,786 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:58:07" (1/1) ... [2021-11-03 04:58:07,833 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 04:58:07,834 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 04:58:07,834 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 04:58:07,835 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 04:58:07,845 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:58:07" (1/1) ... [2021-11-03 04:58:07,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:58:07" (1/1) ... [2021-11-03 04:58:07,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:58:07" (1/1) ... [2021-11-03 04:58:07,856 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:58:07" (1/1) ... [2021-11-03 04:58:07,898 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:58:07" (1/1) ... [2021-11-03 04:58:07,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:58:07" (1/1) ... [2021-11-03 04:58:07,914 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:58:07" (1/1) ... [2021-11-03 04:58:07,936 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 04:58:07,938 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 04:58:07,938 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 04:58:07,938 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 04:58:07,939 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:58:07" (1/1) ... [2021-11-03 04:58:07,947 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:58:07,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:58:07,987 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 04:58:08,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 04:58:08,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-11-03 04:58:08,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 04:58:08,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 04:58:08,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-11-03 04:58:08,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-03 04:58:08,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 04:58:08,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 04:58:08,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-11-03 04:58:08,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-03 04:58:08,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 04:58:31,588 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 04:58:31,588 INFO L299 CfgBuilder]: Removed 40 assume(true) statements. [2021-11-03 04:58:31,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:58:31 BoogieIcfgContainer [2021-11-03 04:58:31,591 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 04:58:31,594 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 04:58:31,594 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 04:58:31,598 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 04:58:31,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:58:07" (1/3) ... [2021-11-03 04:58:31,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79b0b0a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:58:31, skipping insertion in model container [2021-11-03 04:58:31,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:58:07" (2/3) ... [2021-11-03 04:58:31,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79b0b0a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:58:31, skipping insertion in model container [2021-11-03 04:58:31,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:58:31" (3/3) ... [2021-11-03 04:58:31,606 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0660a.c [2021-11-03 04:58:31,613 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 04:58:31,613 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-03 04:58:31,680 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 04:58:31,689 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-03 04:58:31,689 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-03 04:58:31,718 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 109 states have (on average 1.6972477064220184) internal successors, (185), 110 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:58:31,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-03 04:58:31,725 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:58:31,726 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:58:31,727 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:58:31,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:58:31,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1059404064, now seen corresponding path program 1 times [2021-11-03 04:58:31,751 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:58:31,751 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2006784820] [2021-11-03 04:58:31,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:58:31,757 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:58:31,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:58:31,761 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:58:31,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 04:58:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:58:33,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-03 04:58:33,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:58:33,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:58:33,246 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:58:33,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:58:33,342 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:58:33,342 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2006784820] [2021-11-03 04:58:33,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2006784820] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:58:33,343 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:58:33,344 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-03 04:58:33,346 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367689206] [2021-11-03 04:58:33,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-03 04:58:33,352 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:58:33,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-03 04:58:33,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 04:58:33,373 INFO L87 Difference]: Start difference. First operand has 111 states, 109 states have (on average 1.6972477064220184) internal successors, (185), 110 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:58:33,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:58:33,427 INFO L93 Difference]: Finished difference Result 219 states and 366 transitions. [2021-11-03 04:58:33,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-03 04:58:33,429 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-03 04:58:33,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:58:33,444 INFO L225 Difference]: With dead ends: 219 [2021-11-03 04:58:33,444 INFO L226 Difference]: Without dead ends: 107 [2021-11-03 04:58:33,449 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 04:58:33,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-11-03 04:58:33,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-11-03 04:58:33,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 106 states have (on average 1.4622641509433962) internal successors, (155), 106 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:58:33,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 155 transitions. [2021-11-03 04:58:33,506 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 155 transitions. Word has length 11 [2021-11-03 04:58:33,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:58:33,507 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 155 transitions. [2021-11-03 04:58:33,507 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:58:33,508 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2021-11-03 04:58:33,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-03 04:58:33,509 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:58:33,509 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:58:33,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-03 04:58:33,711 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:58:33,711 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:58:33,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:58:33,713 INFO L85 PathProgramCache]: Analyzing trace with hash -7441751, now seen corresponding path program 1 times [2021-11-03 04:58:33,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:58:33,715 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1911433190] [2021-11-03 04:58:33,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:58:33,716 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:58:33,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:58:33,717 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:58:33,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 04:58:34,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:58:35,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-03 04:58:35,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:58:35,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2021-11-03 04:58:36,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-03 04:58:36,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:58:36,704 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:58:39,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:58:39,240 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:58:39,241 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1911433190] [2021-11-03 04:58:39,241 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1911433190] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:58:39,241 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:58:39,242 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2021-11-03 04:58:39,242 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485076216] [2021-11-03 04:58:39,244 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-03 04:58:39,244 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:58:39,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-03 04:58:39,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-11-03 04:58:39,247 INFO L87 Difference]: Start difference. First operand 107 states and 155 transitions. Second operand has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:59:01,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:59:01,763 INFO L93 Difference]: Finished difference Result 163 states and 235 transitions. [2021-11-03 04:59:01,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-03 04:59:01,798 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-03 04:59:01,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:59:01,800 INFO L225 Difference]: With dead ends: 163 [2021-11-03 04:59:01,801 INFO L226 Difference]: Without dead ends: 98 [2021-11-03 04:59:01,802 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2021-11-03 04:59:01,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2021-11-03 04:59:01,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2021-11-03 04:59:01,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 97 states have (on average 1.3917525773195876) internal successors, (135), 97 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:59:01,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 135 transitions. [2021-11-03 04:59:01,820 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 135 transitions. Word has length 13 [2021-11-03 04:59:01,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:59:01,820 INFO L470 AbstractCegarLoop]: Abstraction has 98 states and 135 transitions. [2021-11-03 04:59:01,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:59:01,821 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 135 transitions. [2021-11-03 04:59:01,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-03 04:59:01,822 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:59:01,822 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:59:01,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-03 04:59:02,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:59:02,046 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:59:02,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:59:02,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1269233595, now seen corresponding path program 1 times [2021-11-03 04:59:02,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:59:02,048 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [59180100] [2021-11-03 04:59:02,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:59:02,049 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:59:02,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:59:02,050 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:59:02,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 04:59:03,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:59:03,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-03 04:59:03,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:59:03,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:59:03,980 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:59:05,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:59:05,640 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:59:05,640 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [59180100] [2021-11-03 04:59:05,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [59180100] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:59:05,641 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:59:05,641 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2021-11-03 04:59:05,641 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272106460] [2021-11-03 04:59:05,642 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-03 04:59:05,642 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:59:05,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-03 04:59:05,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-11-03 04:59:05,644 INFO L87 Difference]: Start difference. First operand 98 states and 135 transitions. Second operand has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:59:06,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:59:06,994 INFO L93 Difference]: Finished difference Result 163 states and 223 transitions. [2021-11-03 04:59:06,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-03 04:59:06,996 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-03 04:59:06,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:59:06,998 INFO L225 Difference]: With dead ends: 163 [2021-11-03 04:59:06,999 INFO L226 Difference]: Without dead ends: 102 [2021-11-03 04:59:07,000 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2021-11-03 04:59:07,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2021-11-03 04:59:07,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 98. [2021-11-03 04:59:07,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 97 states have (on average 1.3711340206185567) internal successors, (133), 97 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:59:07,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 133 transitions. [2021-11-03 04:59:07,018 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 133 transitions. Word has length 18 [2021-11-03 04:59:07,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:59:07,019 INFO L470 AbstractCegarLoop]: Abstraction has 98 states and 133 transitions. [2021-11-03 04:59:07,019 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:59:07,019 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 133 transitions. [2021-11-03 04:59:07,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-03 04:59:07,020 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:59:07,021 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:59:07,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-03 04:59:07,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:59:07,234 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:59:07,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:59:07,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1326491897, now seen corresponding path program 1 times [2021-11-03 04:59:07,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:59:07,236 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1375091035] [2021-11-03 04:59:07,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:59:07,237 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:59:07,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:59:07,238 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:59:07,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-03 04:59:08,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:59:08,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-03 04:59:08,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:59:09,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:59:09,780 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:59:11,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:59:11,298 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:59:11,298 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1375091035] [2021-11-03 04:59:11,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1375091035] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:59:11,299 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:59:11,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2021-11-03 04:59:11,299 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016265771] [2021-11-03 04:59:11,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-03 04:59:11,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:59:11,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-03 04:59:11,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-03 04:59:11,303 INFO L87 Difference]: Start difference. First operand 98 states and 133 transitions. Second operand has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:59:13,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:59:13,580 INFO L93 Difference]: Finished difference Result 102 states and 136 transitions. [2021-11-03 04:59:13,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 04:59:13,581 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-03 04:59:13,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:59:13,583 INFO L225 Difference]: With dead ends: 102 [2021-11-03 04:59:13,583 INFO L226 Difference]: Without dead ends: 74 [2021-11-03 04:59:13,584 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2021-11-03 04:59:13,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-11-03 04:59:13,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2021-11-03 04:59:13,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.3150684931506849) internal successors, (96), 73 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:59:13,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 96 transitions. [2021-11-03 04:59:13,597 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 96 transitions. Word has length 18 [2021-11-03 04:59:13,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:59:13,597 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 96 transitions. [2021-11-03 04:59:13,598 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:59:13,598 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 96 transitions. [2021-11-03 04:59:13,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-03 04:59:13,599 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:59:13,599 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:59:13,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-03 04:59:13,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:59:13,814 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:59:13,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:59:13,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1055279212, now seen corresponding path program 1 times [2021-11-03 04:59:13,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:59:13,815 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1972429983] [2021-11-03 04:59:13,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:59:13,816 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:59:13,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:59:13,817 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:59:13,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-03 04:59:15,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:59:15,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-03 04:59:15,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:59:17,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:59:17,016 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:59:19,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:59:19,529 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:59:19,530 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1972429983] [2021-11-03 04:59:19,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1972429983] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:59:19,530 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:59:19,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-11-03 04:59:19,530 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728362294] [2021-11-03 04:59:19,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-03 04:59:19,531 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:59:19,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-03 04:59:19,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-03 04:59:19,533 INFO L87 Difference]: Start difference. First operand 74 states and 96 transitions. Second operand has 8 states, 8 states have (on average 4.875) internal successors, (39), 7 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:59:44,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:59:44,366 INFO L93 Difference]: Finished difference Result 95 states and 119 transitions. [2021-11-03 04:59:44,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 04:59:44,382 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 7 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-03 04:59:44,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:59:44,383 INFO L225 Difference]: With dead ends: 95 [2021-11-03 04:59:44,383 INFO L226 Difference]: Without dead ends: 91 [2021-11-03 04:59:44,384 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-03 04:59:44,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2021-11-03 04:59:44,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 74. [2021-11-03 04:59:44,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.2876712328767124) internal successors, (94), 73 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:59:44,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 94 transitions. [2021-11-03 04:59:44,397 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 94 transitions. Word has length 20 [2021-11-03 04:59:44,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:59:44,397 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 94 transitions. [2021-11-03 04:59:44,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 7 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:59:44,398 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 94 transitions. [2021-11-03 04:59:44,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-03 04:59:44,399 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:59:44,400 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:59:44,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-03 04:59:44,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:59:44,618 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:59:44,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:59:44,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1385254763, now seen corresponding path program 1 times [2021-11-03 04:59:44,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:59:44,620 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [818449411] [2021-11-03 04:59:44,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:59:44,620 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:59:44,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:59:44,622 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:59:44,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-03 04:59:45,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:59:45,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-03 04:59:45,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:59:47,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:59:47,571 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:59:50,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:59:50,213 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:59:50,214 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [818449411] [2021-11-03 04:59:50,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [818449411] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:59:50,214 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:59:50,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 15 [2021-11-03 04:59:50,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919274891] [2021-11-03 04:59:50,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-03 04:59:50,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:59:50,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-03 04:59:50,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2021-11-03 04:59:50,217 INFO L87 Difference]: Start difference. First operand 74 states and 94 transitions. Second operand has 15 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 15 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:59:51,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:59:51,628 INFO L93 Difference]: Finished difference Result 74 states and 94 transitions. [2021-11-03 04:59:51,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-03 04:59:51,628 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 15 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-11-03 04:59:51,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:59:51,629 INFO L225 Difference]: With dead ends: 74 [2021-11-03 04:59:51,629 INFO L226 Difference]: Without dead ends: 0 [2021-11-03 04:59:51,630 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=126, Invalid=294, Unknown=0, NotChecked=0, Total=420 [2021-11-03 04:59:51,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-03 04:59:51,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-03 04:59:51,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:59:51,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-03 04:59:51,631 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2021-11-03 04:59:51,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:59:51,632 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-03 04:59:51,632 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 15 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:59:51,632 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-03 04:59:51,632 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-03 04:59:51,639 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 04:59:51,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-03 04:59:51,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:59:51,852 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-03 04:59:51,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:59:51,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:59:51,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:59:51,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:59:51,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:59:51,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:59:51,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:59:51,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:59:51,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:59:51,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:59:51,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:59:51,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:59:51,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:59:51,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:59:51,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:59:53,663 INFO L857 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-11-03 04:59:53,663 INFO L857 garLoopResultBuilder]: For program point L184-2(line 184) no Hoare annotation was computed. [2021-11-03 04:59:53,663 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-03 04:59:53,663 INFO L857 garLoopResultBuilder]: For program point L136(lines 136 137) no Hoare annotation was computed. [2021-11-03 04:59:53,664 INFO L853 garLoopResultBuilder]: At program point L120(lines 120 215) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (fp.lt (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)) (_ +zero 8 24)) (= (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) (fp.lt ULTIMATE.start___ieee754_atan2f_~x (_ +zero 8 24)) (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0)))) (exists ((v_arrayElimCell_1 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) v_arrayElimCell_1) ULTIMATE.start___ieee754_atan2f_~ix~2) (fp.lt (fp ((_ extract 31 31) v_arrayElimCell_1) ((_ extract 30 23) v_arrayElimCell_1) ((_ extract 22 0) v_arrayElimCell_1)) (_ +zero 8 24)))) (exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0) ULTIMATE.start___ieee754_atan2f_~iy~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))))) (= (fp.sub roundNearestTiesToEven (fp.neg ~pi~0) ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0)))) |ULTIMATE.start___ieee754_atan2f_#res|) (= ULTIMATE.start___ieee754_atan2f_~y .cse0) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 1000000000.0))) ~pi~0) (= ULTIMATE.start_main_~y~0 .cse0) (= currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32)) (ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= 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))))) (fp.lt (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)) (_ +zero 8 24)))))) [2021-11-03 04:59:53,664 INFO L857 garLoopResultBuilder]: For program point L21(lines 21 25) no Hoare annotation was computed. [2021-11-03 04:59:53,664 INFO L857 garLoopResultBuilder]: For program point L21-1(lines 14 27) no Hoare annotation was computed. [2021-11-03 04:59:53,664 INFO L857 garLoopResultBuilder]: For program point L21-2(lines 21 25) no Hoare annotation was computed. [2021-11-03 04:59:53,664 INFO L857 garLoopResultBuilder]: For program point L21-3(lines 21 25) no Hoare annotation was computed. [2021-11-03 04:59:53,665 INFO L857 garLoopResultBuilder]: For program point L21-4(lines 14 27) no Hoare annotation was computed. [2021-11-03 04:59:53,665 INFO L857 garLoopResultBuilder]: For program point L21-5(lines 21 25) no Hoare annotation was computed. [2021-11-03 04:59:53,665 INFO L857 garLoopResultBuilder]: For program point L21-6(lines 21 25) no Hoare annotation was computed. [2021-11-03 04:59:53,665 INFO L857 garLoopResultBuilder]: For program point L21-7(lines 14 27) no Hoare annotation was computed. [2021-11-03 04:59:53,665 INFO L857 garLoopResultBuilder]: For program point L21-8(lines 21 25) no Hoare annotation was computed. [2021-11-03 04:59:53,665 INFO L857 garLoopResultBuilder]: For program point L203(lines 203 207) no Hoare annotation was computed. [2021-11-03 04:59:53,666 INFO L857 garLoopResultBuilder]: For program point L170(lines 170 179) no Hoare annotation was computed. [2021-11-03 04:59:53,670 INFO L857 garLoopResultBuilder]: For program point L203-1(lines 196 208) no Hoare annotation was computed. [2021-11-03 04:59:53,670 INFO L857 garLoopResultBuilder]: For program point L203-2(lines 203 207) no Hoare annotation was computed. [2021-11-03 04:59:53,670 INFO L857 garLoopResultBuilder]: For program point L71(lines 71 96) no Hoare annotation was computed. [2021-11-03 04:59:53,671 INFO L857 garLoopResultBuilder]: For program point L71-2(lines 71 96) no Hoare annotation was computed. [2021-11-03 04:59:53,671 INFO L857 garLoopResultBuilder]: For program point L187(lines 187 192) no Hoare annotation was computed. [2021-11-03 04:59:53,671 INFO L857 garLoopResultBuilder]: For program point L88(lines 88 94) no Hoare annotation was computed. [2021-11-03 04:59:53,672 INFO L857 garLoopResultBuilder]: For program point L88-2(lines 71 96) no Hoare annotation was computed. [2021-11-03 04:59:53,673 INFO L857 garLoopResultBuilder]: For program point L88-3(lines 88 94) no Hoare annotation was computed. [2021-11-03 04:59:53,673 INFO L857 garLoopResultBuilder]: For program point L88-5(lines 71 96) no Hoare annotation was computed. [2021-11-03 04:59:53,673 INFO L860 garLoopResultBuilder]: At program point L237(lines 217 238) the Hoare annotation is: true [2021-11-03 04:59:53,673 INFO L857 garLoopResultBuilder]: For program point L171(line 171) no Hoare annotation was computed. [2021-11-03 04:59:53,674 INFO L857 garLoopResultBuilder]: For program point L138(lines 138 139) no Hoare annotation was computed. [2021-11-03 04:59:53,674 INFO L857 garLoopResultBuilder]: For program point L72(lines 72 75) no Hoare annotation was computed. [2021-11-03 04:59:53,674 INFO L857 garLoopResultBuilder]: For program point L72-2(lines 72 75) no Hoare annotation was computed. [2021-11-03 04:59:53,674 INFO L857 garLoopResultBuilder]: For program point L72-3(lines 72 75) no Hoare annotation was computed. [2021-11-03 04:59:53,674 INFO L857 garLoopResultBuilder]: For program point L72-5(lines 72 75) no Hoare annotation was computed. [2021-11-03 04:59:53,675 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-11-03 04:59:53,677 INFO L857 garLoopResultBuilder]: For program point L155-2(line 155) no Hoare annotation was computed. [2021-11-03 04:59:53,677 INFO L857 garLoopResultBuilder]: For program point L73(lines 73 74) no Hoare annotation was computed. [2021-11-03 04:59:53,677 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 73 74) no Hoare annotation was computed. [2021-11-03 04:59:53,678 INFO L857 garLoopResultBuilder]: For program point L189(lines 189 192) no Hoare annotation was computed. [2021-11-03 04:59:53,678 INFO L857 garLoopResultBuilder]: For program point L189-2(lines 187 192) no Hoare annotation was computed. [2021-11-03 04:59:53,682 INFO L857 garLoopResultBuilder]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2021-11-03 04:59:53,683 INFO L853 garLoopResultBuilder]: At program point L57-2(lines 57 61) the Hoare annotation is: false [2021-11-03 04:59:53,683 INFO L857 garLoopResultBuilder]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2021-11-03 04:59:53,685 INFO L857 garLoopResultBuilder]: For program point L57-5(lines 57 61) no Hoare annotation was computed. [2021-11-03 04:59:53,685 INFO L853 garLoopResultBuilder]: At program point L57-6(lines 57 61) the Hoare annotation is: false [2021-11-03 04:59:53,685 INFO L857 garLoopResultBuilder]: For program point L57-7(lines 57 61) no Hoare annotation was computed. [2021-11-03 04:59:53,686 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-11-03 04:59:53,686 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-03 04:59:53,687 INFO L857 garLoopResultBuilder]: For program point L157(lines 157 181) no Hoare annotation was computed. [2021-11-03 04:59:53,688 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 120 215) no Hoare annotation was computed. [2021-11-03 04:59:53,688 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2021-11-03 04:59:53,688 INFO L853 garLoopResultBuilder]: At program point L124-2(lines 124 128) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (fp.lt ULTIMATE.start___ieee754_atan2f_~x (_ +zero 8 24)) (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0)))) (= ULTIMATE.start___ieee754_atan2f_~y .cse0) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 1000000000.0))) ~pi~0) (= ULTIMATE.start_main_~y~0 .cse0) (= currentRoundingMode roundNearestTiesToEven))) [2021-11-03 04:59:53,688 INFO L857 garLoopResultBuilder]: For program point L124-3(lines 124 128) no Hoare annotation was computed. [2021-11-03 04:59:53,689 INFO L857 garLoopResultBuilder]: For program point L158(lines 158 180) no Hoare annotation was computed. [2021-11-03 04:59:53,695 INFO L853 garLoopResultBuilder]: At program point L26(lines 14 27) the Hoare annotation is: false [2021-11-03 04:59:53,695 INFO L853 garLoopResultBuilder]: At program point L26-1(lines 14 27) the Hoare annotation is: false [2021-11-03 04:59:53,695 INFO L853 garLoopResultBuilder]: At program point L26-2(lines 14 27) the Hoare annotation is: false [2021-11-03 04:59:53,695 INFO L857 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-11-03 04:59:53,696 INFO L857 garLoopResultBuilder]: For program point L142(lines 142 152) no Hoare annotation was computed. [2021-11-03 04:59:53,696 INFO L857 garLoopResultBuilder]: For program point L109(lines 109 114) no Hoare annotation was computed. [2021-11-03 04:59:53,696 INFO L857 garLoopResultBuilder]: For program point L142-2(lines 120 215) no Hoare annotation was computed. [2021-11-03 04:59:53,696 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 109 114) no Hoare annotation was computed. [2021-11-03 04:59:53,696 INFO L857 garLoopResultBuilder]: For program point L159(lines 159 168) no Hoare annotation was computed. [2021-11-03 04:59:53,697 INFO L857 garLoopResultBuilder]: For program point L143(lines 143 151) no Hoare annotation was computed. [2021-11-03 04:59:53,697 INFO L857 garLoopResultBuilder]: For program point L226(lines 226 235) no Hoare annotation was computed. [2021-11-03 04:59:53,697 INFO L857 garLoopResultBuilder]: For program point L193(lines 193 214) no Hoare annotation was computed. [2021-11-03 04:59:53,697 INFO L857 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-11-03 04:59:53,698 INFO L857 garLoopResultBuilder]: For program point L226-2(lines 226 235) no Hoare annotation was computed. [2021-11-03 04:59:53,698 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-03 04:59:53,698 INFO L857 garLoopResultBuilder]: For program point L210(line 210) no Hoare annotation was computed. [2021-11-03 04:59:53,698 INFO L857 garLoopResultBuilder]: For program point L177(line 177) no Hoare annotation was computed. [2021-11-03 04:59:53,698 INFO L857 garLoopResultBuilder]: For program point L144(line 144) no Hoare annotation was computed. [2021-11-03 04:59:53,698 INFO L857 garLoopResultBuilder]: For program point L144-2(line 144) no Hoare annotation was computed. [2021-11-03 04:59:53,699 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-11-03 04:59:53,699 INFO L857 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-11-03 04:59:53,699 INFO L857 garLoopResultBuilder]: For program point L79(lines 79 95) no Hoare annotation was computed. [2021-11-03 04:59:53,699 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 79 95) no Hoare annotation was computed. [2021-11-03 04:59:53,700 INFO L857 garLoopResultBuilder]: For program point L162(line 162) no Hoare annotation was computed. [2021-11-03 04:59:53,700 INFO L857 garLoopResultBuilder]: For program point L63(lines 63 70) no Hoare annotation was computed. [2021-11-03 04:59:53,700 INFO L857 garLoopResultBuilder]: For program point L63-1(lines 63 70) no Hoare annotation was computed. [2021-11-03 04:59:53,700 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-11-03 04:59:53,700 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-11-03 04:59:53,701 INFO L857 garLoopResultBuilder]: For program point L80(lines 80 86) no Hoare annotation was computed. [2021-11-03 04:59:53,701 INFO L857 garLoopResultBuilder]: For program point L113-2(line 113) no Hoare annotation was computed. [2021-11-03 04:59:53,701 INFO L853 garLoopResultBuilder]: At program point L113-3(lines 53 115) the Hoare annotation is: false [2021-11-03 04:59:53,701 INFO L857 garLoopResultBuilder]: For program point L80-3(lines 80 86) no Hoare annotation was computed. [2021-11-03 04:59:53,701 INFO L857 garLoopResultBuilder]: For program point L113-4(line 113) no Hoare annotation was computed. [2021-11-03 04:59:53,704 INFO L857 garLoopResultBuilder]: For program point L113-6(line 113) no Hoare annotation was computed. [2021-11-03 04:59:53,704 INFO L853 garLoopResultBuilder]: At program point L113-7(lines 53 115) the Hoare annotation is: false [2021-11-03 04:59:53,704 INFO L857 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-11-03 04:59:53,704 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2021-11-03 04:59:53,705 INFO L853 garLoopResultBuilder]: At program point L130-2(lines 130 134) the Hoare annotation is: (let ((.cse2 (fp.neg (_ +zero 8 24)))) (and (exists ((|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5|) (_ bv0 32)))) (and (= (bvand (_ bv2147483647 32) .cse0) ULTIMATE.start___ieee754_atan2f_~ix~2) (fp.lt (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) (_ +zero 8 24))))) (fp.lt ULTIMATE.start___ieee754_atan2f_~x (_ +zero 8 24)) (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0)))) (exists ((|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5| (_ BitVec 32))) (let ((.cse1 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5|) (_ bv0 32)))) (and (= .cse1 ULTIMATE.start___ieee754_atan2f_~hx~1) (fp.lt (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)) (_ +zero 8 24))))) (= ULTIMATE.start___ieee754_atan2f_~y .cse2) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 1000000000.0))) ~pi~0) (= ULTIMATE.start_main_~y~0 .cse2) (= currentRoundingMode roundNearestTiesToEven))) [2021-11-03 04:59:53,705 INFO L857 garLoopResultBuilder]: For program point L64(lines 64 65) no Hoare annotation was computed. [2021-11-03 04:59:53,705 INFO L857 garLoopResultBuilder]: For program point L130-3(lines 130 134) no Hoare annotation was computed. [2021-11-03 04:59:53,705 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 64 65) no Hoare annotation was computed. [2021-11-03 04:59:53,706 INFO L857 garLoopResultBuilder]: For program point L147(line 147) no Hoare annotation was computed. [2021-11-03 04:59:53,706 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-11-03 04:59:53,708 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-03 04:59:53,709 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 232) no Hoare annotation was computed. [2021-11-03 04:59:53,709 INFO L857 garLoopResultBuilder]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2021-11-03 04:59:53,709 INFO L853 garLoopResultBuilder]: At program point L16-2(lines 16 20) the Hoare annotation is: false [2021-11-03 04:59:53,710 INFO L857 garLoopResultBuilder]: For program point L16-5(lines 16 20) no Hoare annotation was computed. [2021-11-03 04:59:53,710 INFO L853 garLoopResultBuilder]: At program point L16-6(lines 16 20) the Hoare annotation is: false [2021-11-03 04:59:53,710 INFO L857 garLoopResultBuilder]: For program point L16-9(lines 16 20) no Hoare annotation was computed. [2021-11-03 04:59:53,710 INFO L857 garLoopResultBuilder]: For program point L231(lines 231 234) no Hoare annotation was computed. [2021-11-03 04:59:53,710 INFO L853 garLoopResultBuilder]: At program point L16-10(lines 16 20) the Hoare annotation is: false [2021-11-03 04:59:53,711 INFO L857 garLoopResultBuilder]: For program point L198-1(lines 198 202) no Hoare annotation was computed. [2021-11-03 04:59:53,711 INFO L853 garLoopResultBuilder]: At program point L198-2(lines 198 202) the Hoare annotation is: false [2021-11-03 04:59:53,711 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 69) no Hoare annotation was computed. [2021-11-03 04:59:53,711 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 66 69) no Hoare annotation was computed. [2021-11-03 04:59:53,712 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-11-03 04:59:53,712 INFO L857 garLoopResultBuilder]: For program point L232(line 232) no Hoare annotation was computed. [2021-11-03 04:59:53,713 INFO L857 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-11-03 04:59:53,717 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-11-03 04:59:53,720 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-03 04:59:53,737 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:59:53,739 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:59:53,739 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:59:53,740 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:59:53,741 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:59:53,741 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:59:53,742 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:59:53,742 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:59:53,745 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 04:59:53,753 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:59:53,753 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:59:53,754 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:59:53,754 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:59:53,754 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:59:53,755 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:59:53,755 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:59:53,755 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:59:53,756 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 04:59:53,758 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 04:59:53,764 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 04:59:53,780 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:59:53,781 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:59:53,781 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:59:53,781 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:59:53,782 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:59:53,782 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:59:53,782 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:59:53,782 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:59:53,783 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 04:59:53,783 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 04:59:53,783 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 04:59:53,784 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 04:59:53,784 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:59:53,784 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-11-03 04:59:53,784 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-11-03 04:59:53,784 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-11-03 04:59:53,785 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-11-03 04:59:53,786 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:59:53,787 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:59:53,787 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:59:53,787 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:59:53,788 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:59:53,788 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:59:53,788 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:59:53,788 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:59:53,789 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 04:59:53,789 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 04:59:53,789 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 04:59:53,790 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 04:59:53,790 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:59:53,790 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-11-03 04:59:53,790 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-11-03 04:59:53,791 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-11-03 04:59:53,791 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-11-03 04:59:53,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 04:59:53 BoogieIcfgContainer [2021-11-03 04:59:53,793 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-03 04:59:53,794 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-03 04:59:53,794 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-03 04:59:53,794 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-03 04:59:53,795 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:58:31" (3/4) ... [2021-11-03 04:59:53,804 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-03 04:59:53,845 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2021-11-03 04:59:53,849 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-11-03 04:59:53,850 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-03 04:59:53,851 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-03 04:59:53,891 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5 : bv32 :: ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32]) == ix && ~fp.lt~FLOAT(~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][22:0]), ~Pluszero~LONGDOUBLE())) && ~fp.lt~FLOAT(x, ~Pluszero~LONGDOUBLE())) && tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000))) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5 : bv32 :: unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32] == hx && ~fp.lt~FLOAT(~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][22:0]), ~Pluszero~LONGDOUBLE()))) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/1000000000)) == pi) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-11-03 04:59:53,892 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~fp.lt~FLOAT(x, ~Pluszero~LONGDOUBLE())) && tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000))) && (\exists v_arrayElimCell_1 : bv32 :: ~bvand32(2147483647bv32, v_arrayElimCell_1) == ix && ~fp.lt~FLOAT(~fp~LONGDOUBLE(v_arrayElimCell_1[31:31], v_arrayElimCell_1[30:23], v_arrayElimCell_1[22:0]), ~Pluszero~LONGDOUBLE()))) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy && ~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()))) && ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(pi), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) == \result) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/1000000000)) == pi) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32, ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: m == ~bvor32(~bvand32(1bv32, ~bvashr32(ULTIMATE.start___ieee754_atan2f_~hy~0, 31bv32)), ~bvand32(2bv32, ~bvashr32(ULTIMATE.start___ieee754_atan2f_~hx~1, 30bv32))) && ~fp.lt~FLOAT(~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]), ~Pluszero~LONGDOUBLE())) [2021-11-03 04:59:53,956 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/witness.graphml [2021-11-03 04:59:53,957 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-03 04:59:53,959 INFO L168 Benchmark]: Toolchain (without parser) took 106675.68 ms. Allocated memory was 79.7 MB in the beginning and 98.6 MB in the end (delta: 18.9 MB). Free memory was 44.8 MB in the beginning and 34.8 MB in the end (delta: 10.0 MB). Peak memory consumption was 31.7 MB. Max. memory is 16.1 GB. [2021-11-03 04:59:53,960 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 79.7 MB. Free memory was 61.3 MB in the beginning and 61.2 MB in the end (delta: 125.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 04:59:53,960 INFO L168 Benchmark]: CACSL2BoogieTranslator took 471.37 ms. Allocated memory is still 79.7 MB. Free memory was 44.6 MB in the beginning and 60.6 MB in the end (delta: -16.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2021-11-03 04:59:53,961 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.79 ms. Allocated memory is still 79.7 MB. Free memory was 60.3 MB in the beginning and 56.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-03 04:59:53,961 INFO L168 Benchmark]: Boogie Preprocessor took 102.67 ms. Allocated memory is still 79.7 MB. Free memory was 56.9 MB in the beginning and 53.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-03 04:59:53,962 INFO L168 Benchmark]: RCFGBuilder took 23653.84 ms. Allocated memory is still 79.7 MB. Free memory was 53.7 MB in the beginning and 49.9 MB in the end (delta: 3.7 MB). Peak memory consumption was 26.6 MB. Max. memory is 16.1 GB. [2021-11-03 04:59:53,963 INFO L168 Benchmark]: TraceAbstraction took 82199.26 ms. Allocated memory was 79.7 MB in the beginning and 98.6 MB in the end (delta: 18.9 MB). Free memory was 49.5 MB in the beginning and 42.3 MB in the end (delta: 7.2 MB). Peak memory consumption was 25.6 MB. Max. memory is 16.1 GB. [2021-11-03 04:59:53,963 INFO L168 Benchmark]: Witness Printer took 163.47 ms. Allocated memory is still 98.6 MB. Free memory was 42.3 MB in the beginning and 34.8 MB in the end (delta: 7.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-03 04:59:53,966 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 79.7 MB. Free memory was 61.3 MB in the beginning and 61.2 MB in the end (delta: 125.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 471.37 ms. Allocated memory is still 79.7 MB. Free memory was 44.6 MB in the beginning and 60.6 MB in the end (delta: -16.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 76.79 ms. Allocated memory is still 79.7 MB. Free memory was 60.3 MB in the beginning and 56.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 102.67 ms. Allocated memory is still 79.7 MB. Free memory was 56.9 MB in the beginning and 53.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 23653.84 ms. Allocated memory is still 79.7 MB. Free memory was 53.7 MB in the beginning and 49.9 MB in the end (delta: 3.7 MB). Peak memory consumption was 26.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 82199.26 ms. Allocated memory was 79.7 MB in the beginning and 98.6 MB in the end (delta: 18.9 MB). Free memory was 49.5 MB in the beginning and 42.3 MB in the end (delta: 7.2 MB). Peak memory consumption was 25.6 MB. Max. memory is 16.1 GB. * Witness Printer took 163.47 ms. Allocated memory is still 98.6 MB. Free memory was 42.3 MB in the beginning and 34.8 MB in the end (delta: 7.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,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[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_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[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_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] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 232]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 111 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 82.0s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 52.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 555 SDtfs, 2354 SDslu, 834 SDs, 0 SdLazy, 287 SolverSat, 48 SolverUnsat, 16 SolverUnknown, 0 SolverNotchecked, 44.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 218 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 14.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=0, InterpolantAutomatonStates: 37, 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, 21 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 15 PreInvPairs, 19 NumberOfFragments, 248 HoareAnnotationTreeSize, 15 FomulaSimplifications, 110 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 34 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 6.6s SatisfiabilityAnalysisTime, 18.7s InterpolantComputationTime, 105 NumberOfCodeBlocks, 105 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 198 ConstructedInterpolants, 46 QuantifiedInterpolants, 2011 SizeOfPredicates, 44 NumberOfNonLiveVariables, 708 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant [2021-11-03 04:59:53,993 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:59:53,994 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:59:53,995 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:59:53,996 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:59:53,996 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:59:53,997 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:59:53,997 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:59:53,997 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:59:53,997 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 04:59:53,999 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:59:53,999 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:59:53,999 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:59:54,000 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:59:54,000 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:59:54,000 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:59:54,000 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:59:54,001 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5,QUANTIFIED] [2021-11-03 04:59:54,001 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((((((\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5 : bv32 :: ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32]) == ix && ~fp.lt~FLOAT(~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][22:0]), ~Pluszero~LONGDOUBLE())) && ~fp.lt~FLOAT(x, ~Pluszero~LONGDOUBLE())) && tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000))) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5 : bv32 :: unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32] == hx && ~fp.lt~FLOAT(~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2.base_5][0bv32][22:0]), ~Pluszero~LONGDOUBLE()))) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/1000000000)) == pi) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant [2021-11-03 04:59:54,004 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 04:59:54,005 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((~fp.lt~FLOAT(x, ~Pluszero~LONGDOUBLE()) && tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000))) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/1000000000)) == pi) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 120]: Loop Invariant [2021-11-03 04:59:54,008 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:59:54,009 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:59:54,009 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:59:54,009 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:59:54,010 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:59:54,010 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:59:54,010 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:59:54,011 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:59:54,011 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 04:59:54,011 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 04:59:54,011 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 04:59:54,012 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 04:59:54,012 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:59:54,012 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-11-03 04:59:54,012 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-11-03 04:59:54,013 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-11-03 04:59:54,013 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-11-03 04:59:54,016 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:59:54,017 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:59:54,017 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:59:54,017 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2021-11-03 04:59:54,017 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:59:54,018 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:59:54,018 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:59:54,018 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:59:54,018 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 04:59:54,019 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 04:59:54,019 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 04:59:54,019 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 04:59:54,020 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2021-11-03 04:59:54,020 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-11-03 04:59:54,020 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-11-03 04:59:54,021 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-11-03 04:59:54,021 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] Derived loop invariant: ((((((((((~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~fp.lt~FLOAT(x, ~Pluszero~LONGDOUBLE())) && tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000))) && (\exists v_arrayElimCell_1 : bv32 :: ~bvand32(2147483647bv32, v_arrayElimCell_1) == ix && ~fp.lt~FLOAT(~fp~LONGDOUBLE(v_arrayElimCell_1[31:31], v_arrayElimCell_1[30:23], v_arrayElimCell_1[22:0]), ~Pluszero~LONGDOUBLE()))) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy && ~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()))) && ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(pi), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) == \result) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/1000000000)) == pi) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32, ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: m == ~bvor32(~bvand32(1bv32, ~bvashr32(ULTIMATE.start___ieee754_atan2f_~hy~0, 31bv32)), ~bvand32(2bv32, ~bvashr32(ULTIMATE.start___ieee754_atan2f_~hx~1, 30bv32))) && ~fp.lt~FLOAT(~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]), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-03 04:59:54,253 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-03 04:59:54,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca993b3-7a6b-4c86-b43b-fa85590200ad/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE