./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0686b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 096883e9 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_0686b.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 2450a058b5917f7939684a957099b0e6e44b8068 ..................................................................................................................................................................................................................................................................................................................................... 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_0686b.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 2450a058b5917f7939684a957099b0e6e44b8068 .................................................................................................................................................................................................................................................................................................................................................. 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 0.2.0-096883e [2020-12-01 23:13:56,858 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 23:13:56,862 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 23:13:56,915 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 23:13:56,916 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 23:13:56,922 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 23:13:56,925 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 23:13:56,932 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 23:13:56,940 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 23:13:56,947 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 23:13:56,948 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 23:13:56,950 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 23:13:56,951 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 23:13:56,955 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 23:13:56,956 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 23:13:56,958 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 23:13:56,959 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 23:13:56,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 23:13:56,966 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 23:13:56,974 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 23:13:56,976 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 23:13:56,978 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 23:13:56,980 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 23:13:56,982 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 23:13:56,991 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 23:13:56,992 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 23:13:56,992 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 23:13:56,995 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 23:13:56,995 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 23:13:56,996 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 23:13:56,997 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 23:13:56,998 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 23:13:57,000 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 23:13:57,001 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 23:13:57,002 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 23:13:57,002 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 23:13:57,003 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 23:13:57,004 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 23:13:57,004 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 23:13:57,006 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 23:13:57,007 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 23:13:57,008 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 23:13:57,077 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 23:13:57,077 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 23:13:57,081 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 23:13:57,081 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 23:13:57,081 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 23:13:57,082 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 23:13:57,082 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 23:13:57,082 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 23:13:57,082 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 23:13:57,083 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 23:13:57,084 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 23:13:57,084 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 23:13:57,084 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 23:13:57,084 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 23:13:57,085 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 23:13:57,085 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 23:13:57,085 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 23:13:57,085 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 23:13:57,085 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 23:13:57,085 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 23:13:57,086 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 23:13:57,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:13:57,086 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 23:13:57,087 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 23:13:57,087 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 23:13:57,087 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 23:13:57,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 23:13:57,087 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 23:13:57,088 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 23:13:57,088 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2450a058b5917f7939684a957099b0e6e44b8068 [2020-12-01 23:13:57,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 23:13:57,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 23:13:57,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 23:13:57,527 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 23:13:57,531 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 23:13:57,533 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0686b.c [2020-12-01 23:13:57,616 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9ce29904/2692051a22f54669880fda1aea54be7c/FLAG5650b4e01 [2020-12-01 23:13:58,232 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 23:13:58,236 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0686b.c [2020-12-01 23:13:58,262 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9ce29904/2692051a22f54669880fda1aea54be7c/FLAG5650b4e01 [2020-12-01 23:13:58,524 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9ce29904/2692051a22f54669880fda1aea54be7c [2020-12-01 23:13:58,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 23:13:58,533 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 23:13:58,538 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 23:13:58,539 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 23:13:58,543 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 23:13:58,544 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:13:58" (1/1) ... [2020-12-01 23:13:58,556 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@305bc0c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:58, skipping insertion in model container [2020-12-01 23:13:58,556 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:13:58" (1/1) ... [2020-12-01 23:13:58,575 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 23:13:58,631 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 23:13:59,015 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0686b.c[6207,6220] [2020-12-01 23:13:59,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:13:59,042 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 23:13:59,100 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0686b.c[6207,6220] [2020-12-01 23:13:59,101 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:13:59,134 INFO L208 MainTranslator]: Completed translation [2020-12-01 23:13:59,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:59 WrapperNode [2020-12-01 23:13:59,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 23:13:59,136 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 23:13:59,137 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 23:13:59,137 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 23:13:59,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:59" (1/1) ... [2020-12-01 23:13:59,160 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:59" (1/1) ... [2020-12-01 23:13:59,238 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 23:13:59,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 23:13:59,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 23:13:59,240 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 23:13:59,249 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:59" (1/1) ... [2020-12-01 23:13:59,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:59" (1/1) ... [2020-12-01 23:13:59,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:59" (1/1) ... [2020-12-01 23:13:59,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:59" (1/1) ... [2020-12-01 23:13:59,290 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:59" (1/1) ... [2020-12-01 23:13:59,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:59" (1/1) ... [2020-12-01 23:13:59,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:59" (1/1) ... [2020-12-01 23:13:59,315 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 23:13:59,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 23:13:59,319 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 23:13:59,319 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 23:13:59,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:13:59,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 23:13:59,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 23:13:59,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-01 23:13:59,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 23:13:59,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-01 23:13:59,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 23:13:59,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 23:13:59,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 23:13:59,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-12-01 23:13:59,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 23:14:00,346 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 23:14:00,346 INFO L298 CfgBuilder]: Removed 44 assume(true) statements. [2020-12-01 23:14:00,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:14:00 BoogieIcfgContainer [2020-12-01 23:14:00,349 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 23:14:00,351 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 23:14:00,351 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 23:14:00,357 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 23:14:00,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:13:58" (1/3) ... [2020-12-01 23:14:00,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e501bad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:14:00, skipping insertion in model container [2020-12-01 23:14:00,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:59" (2/3) ... [2020-12-01 23:14:00,362 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e501bad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:14:00, skipping insertion in model container [2020-12-01 23:14:00,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:14:00" (3/3) ... [2020-12-01 23:14:00,365 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0686b.c [2020-12-01 23:14:00,387 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 23:14:00,392 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 23:14:00,405 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 23:14:00,450 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 23:14:00,451 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 23:14:00,451 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 23:14:00,451 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 23:14:00,451 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 23:14:00,451 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 23:14:00,452 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 23:14:00,452 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 23:14:00,473 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2020-12-01 23:14:00,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 23:14:00,479 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:14:00,480 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:14:00,480 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:14:00,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:14:00,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2020-12-01 23:14:00,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 23:14:00,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811881712] [2020-12-01 23:14:00,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 23:14:00,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 23:14:00,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:14:00,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811881712] [2020-12-01 23:14:00,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 23:14:00,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 23:14:00,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597274544] [2020-12-01 23:14:00,702 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 23:14:00,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 23:14:00,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 23:14:00,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 23:14:00,722 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 2 states. [2020-12-01 23:14:00,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 23:14:00,759 INFO L93 Difference]: Finished difference Result 224 states and 378 transitions. [2020-12-01 23:14:00,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 23:14:00,761 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-12-01 23:14:00,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 23:14:00,786 INFO L225 Difference]: With dead ends: 224 [2020-12-01 23:14:00,787 INFO L226 Difference]: Without dead ends: 110 [2020-12-01 23:14:00,791 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 [2020-12-01 23:14:00,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-12-01 23:14:00,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-12-01 23:14:00,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-12-01 23:14:00,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2020-12-01 23:14:00,878 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2020-12-01 23:14:00,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 23:14:00,878 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2020-12-01 23:14:00,879 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 23:14:00,879 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2020-12-01 23:14:00,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 23:14:00,881 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:14:00,882 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:14:00,882 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 23:14:00,882 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:14:00,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:14:00,886 INFO L82 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2020-12-01 23:14:00,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 23:14:00,887 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096503757] [2020-12-01 23:14:00,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 23:14:01,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:14:01,038 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:14:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:14:01,101 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:14:01,144 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 23:14:01,145 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 23:14:01,146 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 23:14:01,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 11:14:01 BoogieIcfgContainer [2020-12-01 23:14:01,192 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 23:14:01,195 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 23:14:01,196 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 23:14:01,196 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 23:14:01,197 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:14:00" (3/4) ... [2020-12-01 23:14:01,201 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 23:14:01,201 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 23:14:01,204 INFO L168 Benchmark]: Toolchain (without parser) took 2670.28 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 30.8 MB in the beginning and 29.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 17.9 MB. Max. memory is 16.1 GB. [2020-12-01 23:14:01,205 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 37.7 MB. Free memory was 24.0 MB in the beginning and 24.0 MB in the end (delta: 22.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:14:01,206 INFO L168 Benchmark]: CACSL2BoogieTranslator took 597.40 ms. Allocated memory is still 54.5 MB. Free memory was 30.6 MB in the beginning and 28.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2020-12-01 23:14:01,207 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.16 ms. Allocated memory is still 54.5 MB. Free memory was 28.9 MB in the beginning and 25.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:14:01,208 INFO L168 Benchmark]: Boogie Preprocessor took 76.50 ms. Allocated memory is still 54.5 MB. Free memory was 25.4 MB in the beginning and 34.9 MB in the end (delta: -9.5 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. [2020-12-01 23:14:01,209 INFO L168 Benchmark]: RCFGBuilder took 1030.45 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 34.9 MB in the beginning and 42.6 MB in the end (delta: -7.7 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. [2020-12-01 23:14:01,210 INFO L168 Benchmark]: TraceAbstraction took 841.41 ms. Allocated memory is still 69.2 MB. Free memory was 42.2 MB in the beginning and 29.7 MB in the end (delta: 12.5 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. [2020-12-01 23:14:01,211 INFO L168 Benchmark]: Witness Printer took 5.92 ms. Allocated memory is still 69.2 MB. Free memory was 29.7 MB in the beginning and 29.3 MB in the end (delta: 348.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:14:01,216 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 37.7 MB. Free memory was 24.0 MB in the beginning and 24.0 MB in the end (delta: 22.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 597.40 ms. Allocated memory is still 54.5 MB. Free memory was 30.6 MB in the beginning and 28.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 102.16 ms. Allocated memory is still 54.5 MB. Free memory was 28.9 MB in the beginning and 25.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 76.50 ms. Allocated memory is still 54.5 MB. Free memory was 25.4 MB in the beginning and 34.9 MB in the end (delta: -9.5 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1030.45 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 34.9 MB in the beginning and 42.6 MB in the end (delta: -7.7 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 841.41 ms. Allocated memory is still 69.2 MB. Free memory was 42.2 MB in the beginning and 29.7 MB in the end (delta: 12.5 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. * Witness Printer took 5.92 ms. Allocated memory is still 69.2 MB. Free memory was 29.7 MB in the beginning and 29.3 MB in the end (delta: 348.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 258]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryDOUBLEComparisonOperation at line 257. 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 = 1.0 / 0.0; [L253] double y = -1.0 / 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] [L255] double res = __ieee754_atan2(y, x); [L257] COND TRUE res != -pi_o_4 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] [L258] 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, 113 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 161 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=113occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, 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 0.2.0-096883e [2020-12-01 23:14:03,750 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 23:14:03,753 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 23:14:03,813 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 23:14:03,814 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 23:14:03,821 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 23:14:03,823 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 23:14:03,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 23:14:03,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 23:14:03,835 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 23:14:03,837 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 23:14:03,843 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 23:14:03,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 23:14:03,851 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 23:14:03,852 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 23:14:03,856 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 23:14:03,857 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 23:14:03,859 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 23:14:03,865 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 23:14:03,868 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 23:14:03,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 23:14:03,876 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 23:14:03,878 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 23:14:03,880 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 23:14:03,888 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 23:14:03,891 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 23:14:03,891 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 23:14:03,892 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 23:14:03,894 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 23:14:03,895 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 23:14:03,896 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 23:14:03,897 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 23:14:03,899 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 23:14:03,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 23:14:03,902 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 23:14:03,902 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 23:14:03,905 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 23:14:03,906 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 23:14:03,906 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 23:14:03,908 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 23:14:03,909 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 23:14:03,910 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-01 23:14:03,962 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 23:14:03,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 23:14:03,964 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 23:14:03,964 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 23:14:03,965 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 23:14:03,965 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 23:14:03,965 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 23:14:03,965 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 23:14:03,966 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 23:14:03,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 23:14:03,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 23:14:03,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 23:14:03,966 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 23:14:03,967 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 23:14:03,967 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 23:14:03,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 23:14:03,967 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 23:14:03,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 23:14:03,968 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 23:14:03,968 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 23:14:03,968 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 23:14:03,968 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 23:14:03,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:14:03,969 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 23:14:03,969 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 23:14:03,969 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 23:14:03,969 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-01 23:14:03,970 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 23:14:03,970 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 23:14:03,970 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 23:14:03,970 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 23:14:03,971 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2450a058b5917f7939684a957099b0e6e44b8068 [2020-12-01 23:14:04,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 23:14:04,388 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 23:14:04,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 23:14:04,395 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 23:14:04,396 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 23:14:04,397 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0686b.c [2020-12-01 23:14:04,470 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/063dcb2e9/c5c5b91418d1400eb5dcb2d22d8a5c6f/FLAG59304d6f8 [2020-12-01 23:14:05,141 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 23:14:05,142 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0686b.c [2020-12-01 23:14:05,157 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/063dcb2e9/c5c5b91418d1400eb5dcb2d22d8a5c6f/FLAG59304d6f8 [2020-12-01 23:14:05,466 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/063dcb2e9/c5c5b91418d1400eb5dcb2d22d8a5c6f [2020-12-01 23:14:05,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 23:14:05,472 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 23:14:05,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 23:14:05,474 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 23:14:05,487 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 23:14:05,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:14:05" (1/1) ... [2020-12-01 23:14:05,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ec0ae46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:05, skipping insertion in model container [2020-12-01 23:14:05,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:14:05" (1/1) ... [2020-12-01 23:14:05,507 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 23:14:05,561 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 23:14:05,896 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0686b.c[6207,6220] [2020-12-01 23:14:05,904 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:14:05,938 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 23:14:06,090 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0686b.c[6207,6220] [2020-12-01 23:14:06,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:14:06,148 INFO L208 MainTranslator]: Completed translation [2020-12-01 23:14:06,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:06 WrapperNode [2020-12-01 23:14:06,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 23:14:06,150 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 23:14:06,150 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 23:14:06,151 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 23:14:06,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:06" (1/1) ... [2020-12-01 23:14:06,179 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:06" (1/1) ... [2020-12-01 23:14:06,236 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 23:14:06,237 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 23:14:06,238 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 23:14:06,238 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 23:14:06,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:06" (1/1) ... [2020-12-01 23:14:06,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:06" (1/1) ... [2020-12-01 23:14:06,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:06" (1/1) ... [2020-12-01 23:14:06,282 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:06" (1/1) ... [2020-12-01 23:14:06,338 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:06" (1/1) ... [2020-12-01 23:14:06,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:06" (1/1) ... [2020-12-01 23:14:06,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:06" (1/1) ... [2020-12-01 23:14:06,383 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 23:14:06,385 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 23:14:06,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 23:14:06,388 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 23:14:06,389 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:06" (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 [2020-12-01 23:14:06,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-01 23:14:06,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-01 23:14:06,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 23:14:06,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 23:14:06,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-12-01 23:14:06,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-01 23:14:06,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 23:14:06,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 23:14:06,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-01 23:14:06,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 23:14:58,626 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 23:14:58,627 INFO L298 CfgBuilder]: Removed 44 assume(true) statements. [2020-12-01 23:14:58,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:14:58 BoogieIcfgContainer [2020-12-01 23:14:58,631 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 23:14:58,633 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 23:14:58,633 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 23:14:58,637 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 23:14:58,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:14:05" (1/3) ... [2020-12-01 23:14:58,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ce7e714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:14:58, skipping insertion in model container [2020-12-01 23:14:58,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:06" (2/3) ... [2020-12-01 23:14:58,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ce7e714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:14:58, skipping insertion in model container [2020-12-01 23:14:58,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:14:58" (3/3) ... [2020-12-01 23:14:58,641 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0686b.c [2020-12-01 23:14:58,663 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 23:14:58,670 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 23:14:58,687 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 23:14:58,746 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 23:14:58,746 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 23:14:58,747 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 23:14:58,747 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 23:14:58,747 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 23:14:58,747 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 23:14:58,747 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 23:14:58,747 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 23:14:58,765 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2020-12-01 23:14:58,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 23:14:58,772 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:14:58,773 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:14:58,773 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:14:58,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:14:58,780 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2020-12-01 23:14:58,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 23:14:58,800 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1578263397] [2020-12-01 23:14:58,800 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 [2020-12-01 23:14:59,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 23:14:59,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-01 23:14:59,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 23:14:59,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:14:59,277 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 23:14:59,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:14:59,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1578263397] [2020-12-01 23:14:59,311 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 23:14:59,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-01 23:14:59,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844889270] [2020-12-01 23:14:59,320 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 23:14:59,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 23:14:59,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 23:14:59,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 23:14:59,346 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 2 states. [2020-12-01 23:14:59,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 23:14:59,416 INFO L93 Difference]: Finished difference Result 224 states and 378 transitions. [2020-12-01 23:14:59,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 23:14:59,419 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-12-01 23:14:59,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 23:14:59,436 INFO L225 Difference]: With dead ends: 224 [2020-12-01 23:14:59,436 INFO L226 Difference]: Without dead ends: 110 [2020-12-01 23:14:59,441 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 23:14:59,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-12-01 23:14:59,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-12-01 23:14:59,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-12-01 23:14:59,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2020-12-01 23:14:59,501 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2020-12-01 23:14:59,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 23:14:59,501 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2020-12-01 23:14:59,501 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 23:14:59,502 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2020-12-01 23:14:59,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 23:14:59,502 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:14:59,502 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:14:59,704 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-01 23:14:59,705 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:14:59,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:14:59,707 INFO L82 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2020-12-01 23:14:59,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 23:14:59,711 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [747040097] [2020-12-01 23:14:59,712 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 [2020-12-01 23:15:00,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:15:00,563 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:15:01,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:15:01,295 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:15:01,440 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-12-01 23:15:01,440 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 23:15:01,642 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-01 23:15:01,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 11:15:01 BoogieIcfgContainer [2020-12-01 23:15:01,726 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 23:15:01,726 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 23:15:01,727 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 23:15:01,727 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 23:15:01,728 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:14:58" (3/4) ... [2020-12-01 23:15:01,730 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 23:15:01,807 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-01 23:15:01,807 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 23:15:01,810 INFO L168 Benchmark]: Toolchain (without parser) took 56336.62 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 24.7 MB in the beginning and 29.3 MB in the end (delta: -4.6 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. [2020-12-01 23:15:01,811 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 48.2 MB. Free memory was 29.8 MB in the beginning and 29.8 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:15:01,812 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.18 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 24.5 MB in the beginning and 40.7 MB in the end (delta: -16.2 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2020-12-01 23:15:01,813 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.52 ms. Allocated memory is still 58.7 MB. Free memory was 40.7 MB in the beginning and 37.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:15:01,813 INFO L168 Benchmark]: Boogie Preprocessor took 146.36 ms. Allocated memory is still 58.7 MB. Free memory was 37.0 MB in the beginning and 33.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:15:01,817 INFO L168 Benchmark]: RCFGBuilder took 52246.10 ms. Allocated memory is still 58.7 MB. Free memory was 33.2 MB in the beginning and 29.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. [2020-12-01 23:15:01,818 INFO L168 Benchmark]: TraceAbstraction took 3092.51 ms. Allocated memory is still 58.7 MB. Free memory was 29.2 MB in the beginning and 33.5 MB in the end (delta: -4.3 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:15:01,819 INFO L168 Benchmark]: Witness Printer took 80.75 ms. Allocated memory is still 58.7 MB. Free memory was 33.5 MB in the beginning and 29.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:15:01,829 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 48.2 MB. Free memory was 29.8 MB in the beginning and 29.8 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 675.18 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 24.5 MB in the beginning and 40.7 MB in the end (delta: -16.2 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 86.52 ms. Allocated memory is still 58.7 MB. Free memory was 40.7 MB in the beginning and 37.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 146.36 ms. Allocated memory is still 58.7 MB. Free memory was 37.0 MB in the beginning and 33.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 52246.10 ms. Allocated memory is still 58.7 MB. Free memory was 33.2 MB in the beginning and 29.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3092.51 ms. Allocated memory is still 58.7 MB. Free memory was 29.2 MB in the beginning and 33.5 MB in the end (delta: -4.3 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. * Witness Printer took 80.75 ms. Allocated memory is still 58.7 MB. Free memory was 33.5 MB in the beginning and 29.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 258]: a call to reach_error is reachable a call to reach_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={1073741835:0}, atanhi_atan={-1073741814:0}, atanlo_atan={-1073741821:0}, 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 = 1.0 / 0.0; [L253] double y = -1.0 / 0.0; [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={1073741835:0}, atanhi_atan={-1073741814:0}, atanlo_atan={-1073741821:0}, 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={1073741835:0}, atanhi_atan={-1073741814:0}, atanlo_atan={-1073741821:0}, 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={1073741835:0}, atanhi_atan={-1073741814:0}, atanlo_atan={-1073741821:0}, 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={1073741835:0}, atanhi_atan={-1073741814:0}, atanlo_atan={-1073741821:0}, 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] double res = __ieee754_atan2(y, x); [L257] COND TRUE res != -pi_o_4 VAL [aT_atan={1073741835:0}, atanhi_atan={-1073741814:0}, atanlo_atan={-1073741821:0}, 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] [L258] reach_error() VAL [aT_atan={1073741835:0}, atanhi_atan={-1073741814:0}, atanlo_atan={-1073741821:0}, 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, 113 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.8s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 161 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred 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, 1.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 162 SizeOfPredicates, 0 NumberOfNonLiveVariables, 114 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...