./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0660b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0660b.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8d94564205655c2e8fe6741648a4c146e2f9a3c8 ..................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0660b.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8d94564205655c2e8fe6741648a4c146e2f9a3c8 .............................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 21:48:34,460 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 21:48:34,464 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 21:48:34,532 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 21:48:34,533 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 21:48:34,535 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 21:48:34,537 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 21:48:34,540 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 21:48:34,543 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 21:48:34,545 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 21:48:34,546 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 21:48:34,548 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 21:48:34,549 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 21:48:34,551 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 21:48:34,553 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 21:48:34,554 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 21:48:34,556 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 21:48:34,557 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 21:48:34,560 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 21:48:34,562 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 21:48:34,565 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 21:48:34,567 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 21:48:34,568 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 21:48:34,570 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 21:48:34,573 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 21:48:34,574 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 21:48:34,574 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 21:48:34,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 21:48:34,577 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 21:48:34,578 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 21:48:34,579 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 21:48:34,580 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 21:48:34,581 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 21:48:34,582 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 21:48:34,584 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 21:48:34,585 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 21:48:34,586 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 21:48:34,586 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 21:48:34,587 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 21:48:34,588 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 21:48:34,590 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 21:48:34,591 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 21:48:34,640 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 21:48:34,642 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 21:48:34,646 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 21:48:34,647 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 21:48:34,647 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 21:48:34,648 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 21:48:34,648 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 21:48:34,649 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 21:48:34,649 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 21:48:34,649 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 21:48:34,651 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 21:48:34,651 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 21:48:34,651 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 21:48:34,652 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 21:48:34,652 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 21:48:34,653 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 21:48:34,653 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 21:48:34,653 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 21:48:34,654 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 21:48:34,654 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 21:48:34,654 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 21:48:34,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 21:48:34,655 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 21:48:34,655 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 21:48:34,656 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 21:48:34,656 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 21:48:34,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 21:48:34,657 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 21:48:34,657 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 21:48:34,658 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d94564205655c2e8fe6741648a4c146e2f9a3c8 [2020-10-25 21:48:35,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 21:48:35,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 21:48:35,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 21:48:35,234 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 21:48:35,237 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 21:48:35,239 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0660b.c [2020-10-25 21:48:35,339 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cdab32ff/6f0f6f42ba3c4cd69b2d44da769d07c2/FLAG6109020a8 [2020-10-25 21:48:36,208 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 21:48:36,211 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0660b.c [2020-10-25 21:48:36,226 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cdab32ff/6f0f6f42ba3c4cd69b2d44da769d07c2/FLAG6109020a8 [2020-10-25 21:48:36,513 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cdab32ff/6f0f6f42ba3c4cd69b2d44da769d07c2 [2020-10-25 21:48:36,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 21:48:36,527 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 21:48:36,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 21:48:36,533 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 21:48:36,538 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 21:48:36,539 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 09:48:36" (1/1) ... [2020-10-25 21:48:36,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e338179 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:36, skipping insertion in model container [2020-10-25 21:48:36,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 09:48:36" (1/1) ... [2020-10-25 21:48:36,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 21:48:36,585 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 21:48:36,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 21:48:37,012 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 21:48:37,080 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 21:48:37,110 INFO L208 MainTranslator]: Completed translation [2020-10-25 21:48:37,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:37 WrapperNode [2020-10-25 21:48:37,111 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 21:48:37,114 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 21:48:37,116 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 21:48:37,116 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 21:48:37,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:37" (1/1) ... [2020-10-25 21:48:37,169 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:37" (1/1) ... [2020-10-25 21:48:37,247 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 21:48:37,249 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 21:48:37,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 21:48:37,251 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 21:48:37,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:37" (1/1) ... [2020-10-25 21:48:37,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:37" (1/1) ... [2020-10-25 21:48:37,293 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:37" (1/1) ... [2020-10-25 21:48:37,294 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:37" (1/1) ... [2020-10-25 21:48:37,324 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:37" (1/1) ... [2020-10-25 21:48:37,339 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:37" (1/1) ... [2020-10-25 21:48:37,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:37" (1/1) ... [2020-10-25 21:48:37,355 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 21:48:37,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 21:48:37,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 21:48:37,358 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 21:48:37,364 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 21:48:37,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 21:48:37,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 21:48:37,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-25 21:48:37,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-25 21:48:37,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-25 21:48:37,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 21:48:37,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 21:48:37,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-25 21:48:37,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-25 21:48:37,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-25 21:48:38,890 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 21:48:38,891 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-10-25 21:48:38,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:48:38 BoogieIcfgContainer [2020-10-25 21:48:38,895 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 21:48:38,897 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 21:48:38,898 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 21:48:38,903 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 21:48:38,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 09:48:36" (1/3) ... [2020-10-25 21:48:38,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38976378 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:48:38, skipping insertion in model container [2020-10-25 21:48:38,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:37" (2/3) ... [2020-10-25 21:48:38,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38976378 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:48:38, skipping insertion in model container [2020-10-25 21:48:38,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:48:38" (3/3) ... [2020-10-25 21:48:38,909 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0660b.c [2020-10-25 21:48:38,927 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 21:48:38,936 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 21:48:38,954 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 21:48:38,992 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 21:48:38,993 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 21:48:38,993 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 21:48:38,993 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 21:48:38,993 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 21:48:38,994 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 21:48:38,994 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 21:48:38,994 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 21:48:39,019 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2020-10-25 21:48:39,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-25 21:48:39,028 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:48:39,029 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:48:39,030 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:48:39,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:48:39,039 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2020-10-25 21:48:39,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 21:48:39,055 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488243534] [2020-10-25 21:48:39,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 21:48:39,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 21:48:39,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:48:39,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488243534] [2020-10-25 21:48:39,288 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 21:48:39,289 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 21:48:39,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133833463] [2020-10-25 21:48:39,297 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 21:48:39,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 21:48:39,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 21:48:39,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 21:48:39,326 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 2 states. [2020-10-25 21:48:39,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 21:48:39,385 INFO L93 Difference]: Finished difference Result 228 states and 383 transitions. [2020-10-25 21:48:39,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 21:48:39,388 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-25 21:48:39,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 21:48:39,403 INFO L225 Difference]: With dead ends: 228 [2020-10-25 21:48:39,403 INFO L226 Difference]: Without dead ends: 111 [2020-10-25 21:48:39,409 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 21:48:39,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-25 21:48:39,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-10-25 21:48:39,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-25 21:48:39,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2020-10-25 21:48:39,468 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2020-10-25 21:48:39,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 21:48:39,469 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2020-10-25 21:48:39,469 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 21:48:39,469 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2020-10-25 21:48:39,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-25 21:48:39,470 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:48:39,471 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:48:39,471 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 21:48:39,471 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:48:39,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:48:39,473 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2020-10-25 21:48:39,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 21:48:39,473 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940769744] [2020-10-25 21:48:39,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 21:48:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 21:48:39,573 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 21:48:39,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 21:48:39,716 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 21:48:39,760 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-25 21:48:39,761 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-25 21:48:39,762 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 21:48:39,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 09:48:39 BoogieIcfgContainer [2020-10-25 21:48:39,819 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 21:48:39,820 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 21:48:39,820 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 21:48:39,820 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 21:48:39,821 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:48:38" (3/4) ... [2020-10-25 21:48:39,827 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-25 21:48:39,827 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 21:48:39,831 INFO L168 Benchmark]: Toolchain (without parser) took 3308.54 ms. Allocated memory was 46.1 MB in the beginning and 75.5 MB in the end (delta: 29.4 MB). Free memory was 23.1 MB in the beginning and 33.1 MB in the end (delta: -10.0 MB). Peak memory consumption was 21.2 MB. Max. memory is 16.1 GB. [2020-10-25 21:48:39,832 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 46.1 MB. Free memory is still 30.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 21:48:39,833 INFO L168 Benchmark]: CACSL2BoogieTranslator took 580.16 ms. Allocated memory is still 46.1 MB. Free memory was 22.5 MB in the beginning and 19.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2020-10-25 21:48:39,834 INFO L168 Benchmark]: Boogie Procedure Inliner took 134.69 ms. Allocated memory was 46.1 MB in the beginning and 60.8 MB in the end (delta: 14.7 MB). Free memory was 19.3 MB in the beginning and 41.8 MB in the end (delta: -22.5 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. [2020-10-25 21:48:39,835 INFO L168 Benchmark]: Boogie Preprocessor took 106.32 ms. Allocated memory is still 60.8 MB. Free memory was 41.8 MB in the beginning and 38.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 21:48:39,836 INFO L168 Benchmark]: RCFGBuilder took 1538.04 ms. Allocated memory is still 60.8 MB. Free memory was 38.3 MB in the beginning and 37.1 MB in the end (delta: 1.2 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. [2020-10-25 21:48:39,837 INFO L168 Benchmark]: TraceAbstraction took 921.62 ms. Allocated memory was 60.8 MB in the beginning and 75.5 MB in the end (delta: 14.7 MB). Free memory was 36.8 MB in the beginning and 33.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 17.5 MB. Max. memory is 16.1 GB. [2020-10-25 21:48:39,837 INFO L168 Benchmark]: Witness Printer took 7.75 ms. Allocated memory is still 75.5 MB. Free memory was 33.5 MB in the beginning and 33.1 MB in the end (delta: 475.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 21:48:39,843 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 46.1 MB. Free memory is still 30.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 580.16 ms. Allocated memory is still 46.1 MB. Free memory was 22.5 MB in the beginning and 19.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 134.69 ms. Allocated memory was 46.1 MB in the beginning and 60.8 MB in the end (delta: 14.7 MB). Free memory was 19.3 MB in the beginning and 41.8 MB in the end (delta: -22.5 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 106.32 ms. Allocated memory is still 60.8 MB. Free memory was 41.8 MB in the beginning and 38.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1538.04 ms. Allocated memory is still 60.8 MB. Free memory was 38.3 MB in the beginning and 37.1 MB in the end (delta: 1.2 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 921.62 ms. Allocated memory was 60.8 MB in the beginning and 75.5 MB in the end (delta: 14.7 MB). Free memory was 36.8 MB in the beginning and 33.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 17.5 MB. Max. memory is 16.1 GB. * Witness Printer took 7.75 ms. Allocated memory is still 75.5 MB. Free memory was 33.5 MB in the beginning and 33.1 MB in the end (delta: 475.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of someBinaryDOUBLEComparisonOperation at line 260. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L252] double x = __VERIFIER_nondet_double(); [L253] double y = 0.0; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L255] COND TRUE x < 0.0 [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L257] double res = __ieee754_atan2(y, x); [L260] COND TRUE res != pi VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L3] __assert_fail("0", "double_req_bl_0660b.c", 3, "reach_error") VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 116 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 164 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=116occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-5485861 [2020-10-25 21:48:42,915 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 21:48:42,919 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 21:48:42,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 21:48:42,982 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 21:48:42,988 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 21:48:42,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 21:48:43,001 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 21:48:43,005 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 21:48:43,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 21:48:43,015 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 21:48:43,022 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 21:48:43,023 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 21:48:43,028 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 21:48:43,030 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 21:48:43,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 21:48:43,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 21:48:43,038 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 21:48:43,043 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 21:48:43,053 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 21:48:43,056 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 21:48:43,059 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 21:48:43,062 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 21:48:43,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 21:48:43,075 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 21:48:43,076 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 21:48:43,077 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 21:48:43,080 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 21:48:43,081 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 21:48:43,082 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 21:48:43,083 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 21:48:43,084 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 21:48:43,088 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 21:48:43,090 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 21:48:43,091 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 21:48:43,092 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 21:48:43,093 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 21:48:43,093 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 21:48:43,094 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 21:48:43,097 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 21:48:43,098 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 21:48:43,100 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-25 21:48:43,176 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 21:48:43,176 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 21:48:43,180 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 21:48:43,181 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 21:48:43,182 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 21:48:43,182 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 21:48:43,182 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 21:48:43,183 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 21:48:43,183 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 21:48:43,184 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 21:48:43,185 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 21:48:43,185 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 21:48:43,186 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-25 21:48:43,186 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-25 21:48:43,186 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 21:48:43,187 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 21:48:43,187 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 21:48:43,187 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 21:48:43,188 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 21:48:43,188 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 21:48:43,189 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 21:48:43,189 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 21:48:43,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 21:48:43,190 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 21:48:43,190 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 21:48:43,190 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 21:48:43,191 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-25 21:48:43,191 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-25 21:48:43,191 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 21:48:43,192 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 21:48:43,192 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-25 21:48:43,192 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d94564205655c2e8fe6741648a4c146e2f9a3c8 [2020-10-25 21:48:43,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 21:48:43,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 21:48:43,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 21:48:43,755 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 21:48:43,757 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 21:48:43,758 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0660b.c [2020-10-25 21:48:43,867 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41ef27ab0/d9e188cf0e8a4361b0e418f3b9028c94/FLAG56b1f7fa2 [2020-10-25 21:48:44,659 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 21:48:44,660 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0660b.c [2020-10-25 21:48:44,676 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41ef27ab0/d9e188cf0e8a4361b0e418f3b9028c94/FLAG56b1f7fa2 [2020-10-25 21:48:45,002 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41ef27ab0/d9e188cf0e8a4361b0e418f3b9028c94 [2020-10-25 21:48:45,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 21:48:45,018 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 21:48:45,020 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 21:48:45,020 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 21:48:45,024 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 21:48:45,026 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 09:48:45" (1/1) ... [2020-10-25 21:48:45,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cd18b72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:45, skipping insertion in model container [2020-10-25 21:48:45,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 09:48:45" (1/1) ... [2020-10-25 21:48:45,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 21:48:45,069 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 21:48:45,325 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 21:48:45,344 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 21:48:45,431 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 21:48:45,477 INFO L208 MainTranslator]: Completed translation [2020-10-25 21:48:45,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:45 WrapperNode [2020-10-25 21:48:45,478 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 21:48:45,482 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 21:48:45,483 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 21:48:45,483 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 21:48:45,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:45" (1/1) ... [2020-10-25 21:48:45,515 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:45" (1/1) ... [2020-10-25 21:48:45,584 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 21:48:45,586 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 21:48:45,586 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 21:48:45,586 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 21:48:45,597 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:45" (1/1) ... [2020-10-25 21:48:45,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:45" (1/1) ... [2020-10-25 21:48:45,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:45" (1/1) ... [2020-10-25 21:48:45,617 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:45" (1/1) ... [2020-10-25 21:48:45,697 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:45" (1/1) ... [2020-10-25 21:48:45,719 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:45" (1/1) ... [2020-10-25 21:48:45,732 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:45" (1/1) ... [2020-10-25 21:48:45,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 21:48:45,745 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 21:48:45,745 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 21:48:45,745 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 21:48:45,746 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 21:48:45,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-25 21:48:45,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-25 21:48:45,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-25 21:48:45,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 21:48:45,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-10-25 21:48:45,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-25 21:48:45,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 21:48:45,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 21:48:45,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-25 21:48:45,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-25 21:49:26,268 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 21:49:26,269 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-10-25 21:49:26,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:49:26 BoogieIcfgContainer [2020-10-25 21:49:26,272 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 21:49:26,274 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 21:49:26,275 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 21:49:26,279 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 21:49:26,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 09:48:45" (1/3) ... [2020-10-25 21:49:26,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cbd50b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:49:26, skipping insertion in model container [2020-10-25 21:49:26,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:45" (2/3) ... [2020-10-25 21:49:26,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cbd50b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:49:26, skipping insertion in model container [2020-10-25 21:49:26,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:49:26" (3/3) ... [2020-10-25 21:49:26,283 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0660b.c [2020-10-25 21:49:26,295 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 21:49:26,304 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 21:49:26,321 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 21:49:26,359 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 21:49:26,359 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 21:49:26,359 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 21:49:26,360 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 21:49:26,360 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 21:49:26,360 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 21:49:26,360 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 21:49:26,360 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 21:49:26,378 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2020-10-25 21:49:26,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-25 21:49:26,385 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:49:26,386 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:49:26,386 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:49:26,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:49:26,393 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2020-10-25 21:49:26,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-25 21:49:26,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [580973289] [2020-10-25 21:49:26,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-25 21:49:26,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 21:49:26,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-25 21:49:26,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 21:49:26,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:49:26,892 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-25 21:49:26,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:49:26,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [580973289] [2020-10-25 21:49:26,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-25 21:49:26,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-25 21:49:26,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869343806] [2020-10-25 21:49:26,906 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 21:49:26,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-25 21:49:26,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 21:49:26,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 21:49:26,926 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 2 states. [2020-10-25 21:49:26,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 21:49:26,963 INFO L93 Difference]: Finished difference Result 228 states and 383 transitions. [2020-10-25 21:49:26,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 21:49:26,966 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-25 21:49:26,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 21:49:26,980 INFO L225 Difference]: With dead ends: 228 [2020-10-25 21:49:26,980 INFO L226 Difference]: Without dead ends: 111 [2020-10-25 21:49:26,988 INFO L677 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 [2020-10-25 21:49:27,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-25 21:49:27,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-10-25 21:49:27,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-25 21:49:27,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2020-10-25 21:49:27,041 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2020-10-25 21:49:27,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 21:49:27,042 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2020-10-25 21:49:27,042 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 21:49:27,043 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2020-10-25 21:49:27,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-25 21:49:27,054 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:49:27,055 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:49:27,268 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-25 21:49:27,269 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:49:27,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:49:27,271 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2020-10-25 21:49:27,272 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-25 21:49:27,272 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1751550779] [2020-10-25 21:49:27,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-25 21:49:28,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 21:49:28,268 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 21:49:28,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 21:49:28,987 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 21:49:29,117 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-25 21:49:29,118 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-25 21:49:29,320 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-25 21:49:29,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 09:49:29 BoogieIcfgContainer [2020-10-25 21:49:29,419 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 21:49:29,421 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 21:49:29,421 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 21:49:29,421 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 21:49:29,422 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:49:26" (3/4) ... [2020-10-25 21:49:29,424 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-25 21:49:29,528 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 21:49:29,529 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 21:49:29,531 INFO L168 Benchmark]: Toolchain (without parser) took 44519.92 ms. Allocated memory was 48.2 MB in the beginning and 65.0 MB in the end (delta: 16.8 MB). Free memory was 24.7 MB in the beginning and 30.3 MB in the end (delta: -5.6 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. [2020-10-25 21:49:29,532 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 48.2 MB. Free memory was 26.3 MB in the beginning and 26.3 MB in the end (delta: 42.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 21:49:29,533 INFO L168 Benchmark]: CACSL2BoogieTranslator took 458.63 ms. Allocated memory was 48.2 MB in the beginning and 65.0 MB in the end (delta: 16.8 MB). Free memory was 24.0 MB in the beginning and 35.8 MB in the end (delta: -11.8 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2020-10-25 21:49:29,534 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.45 ms. Allocated memory is still 65.0 MB. Free memory was 35.8 MB in the beginning and 32.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 21:49:29,535 INFO L168 Benchmark]: Boogie Preprocessor took 157.70 ms. Allocated memory is still 65.0 MB. Free memory was 32.2 MB in the beginning and 45.1 MB in the end (delta: -12.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 21:49:29,536 INFO L168 Benchmark]: RCFGBuilder took 40527.90 ms. Allocated memory is still 65.0 MB. Free memory was 45.1 MB in the beginning and 33.4 MB in the end (delta: 11.7 MB). Peak memory consumption was 21.8 MB. Max. memory is 16.1 GB. [2020-10-25 21:49:29,537 INFO L168 Benchmark]: TraceAbstraction took 3144.43 ms. Allocated memory is still 65.0 MB. Free memory was 33.0 MB in the beginning and 34.9 MB in the end (delta: -1.9 MB). Peak memory consumption was 12.2 MB. Max. memory is 16.1 GB. [2020-10-25 21:49:29,538 INFO L168 Benchmark]: Witness Printer took 108.06 ms. Allocated memory is still 65.0 MB. Free memory was 34.9 MB in the beginning and 30.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-25 21:49:29,543 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 48.2 MB. Free memory was 26.3 MB in the beginning and 26.3 MB in the end (delta: 42.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 458.63 ms. Allocated memory was 48.2 MB in the beginning and 65.0 MB in the end (delta: 16.8 MB). Free memory was 24.0 MB in the beginning and 35.8 MB in the end (delta: -11.8 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 102.45 ms. Allocated memory is still 65.0 MB. Free memory was 35.8 MB in the beginning and 32.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 157.70 ms. Allocated memory is still 65.0 MB. Free memory was 32.2 MB in the beginning and 45.1 MB in the end (delta: -12.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 40527.90 ms. Allocated memory is still 65.0 MB. Free memory was 45.1 MB in the beginning and 33.4 MB in the end (delta: 11.7 MB). Peak memory consumption was 21.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3144.43 ms. Allocated memory is still 65.0 MB. Free memory was 33.0 MB in the beginning and 34.9 MB in the end (delta: -1.9 MB). Peak memory consumption was 12.2 MB. Max. memory is 16.1 GB. * Witness Printer took 108.06 ms. Allocated memory is still 65.0 MB. Free memory was 34.9 MB in the beginning and 30.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L252] double x = __VERIFIER_nondet_double(); [L253] double y = 0.0; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L255] COND TRUE x < 0.0 [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L257] double res = __ieee754_atan2(y, x); [L260] COND TRUE res != pi VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L3] __assert_fail("0", "double_req_bl_0660b.c", 3, "reach_error") VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 116 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.9s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 164 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 200 SizeOfPredicates, 0 NumberOfNonLiveVariables, 115 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...