./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 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_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 0.2.0-096883e [2020-12-01 23:10:16,694 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 23:10:16,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 23:10:16,756 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 23:10:16,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 23:10:16,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 23:10:16,766 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 23:10:16,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 23:10:16,779 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 23:10:16,786 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 23:10:16,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 23:10:16,791 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 23:10:16,791 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 23:10:16,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 23:10:16,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 23:10:16,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 23:10:16,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 23:10:16,804 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 23:10:16,807 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 23:10:16,817 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 23:10:16,820 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 23:10:16,822 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 23:10:16,824 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 23:10:16,826 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 23:10:16,834 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 23:10:16,835 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 23:10:16,835 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 23:10:16,837 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 23:10:16,838 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 23:10:16,841 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 23:10:16,841 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 23:10:16,842 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 23:10:16,844 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 23:10:16,845 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 23:10:16,849 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 23:10:16,850 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 23:10:16,851 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 23:10:16,851 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 23:10:16,851 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 23:10:16,854 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 23:10:16,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 23:10:16,861 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 23:10:16,916 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 23:10:16,916 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 23:10:16,919 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 23:10:16,920 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 23:10:16,920 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 23:10:16,921 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 23:10:16,921 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 23:10:16,921 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 23:10:16,922 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 23:10:16,922 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 23:10:16,924 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 23:10:16,924 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 23:10:16,924 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 23:10:16,924 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 23:10:16,925 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 23:10:16,925 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 23:10:16,925 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 23:10:16,925 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 23:10:16,926 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 23:10:16,926 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 23:10:16,927 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 23:10:16,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:10:16,927 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 23:10:16,928 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 23:10:16,928 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 23:10:16,928 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 23:10:16,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 23:10:16,929 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 23:10:16,929 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 23:10:16,929 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d94564205655c2e8fe6741648a4c146e2f9a3c8 [2020-12-01 23:10:17,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 23:10:17,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 23:10:17,411 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 23:10:17,413 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 23:10:17,414 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 23:10:17,416 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0660b.c [2020-12-01 23:10:17,506 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/278bcf2c4/79387abf3f9a4c2dbf3908c9a3bd5695/FLAG793ded451 [2020-12-01 23:10:18,272 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 23:10:18,277 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0660b.c [2020-12-01 23:10:18,292 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/278bcf2c4/79387abf3f9a4c2dbf3908c9a3bd5695/FLAG793ded451 [2020-12-01 23:10:18,573 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/278bcf2c4/79387abf3f9a4c2dbf3908c9a3bd5695 [2020-12-01 23:10:18,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 23:10:18,578 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 23:10:18,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 23:10:18,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 23:10:18,590 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 23:10:18,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:10:18" (1/1) ... [2020-12-01 23:10:18,594 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@134fa612 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18, skipping insertion in model container [2020-12-01 23:10:18,596 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:10:18" (1/1) ... [2020-12-01 23:10:18,622 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 23:10:18,685 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 23:10:18,962 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_0660b.c[6212,6225] [2020-12-01 23:10:18,967 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:10:18,992 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 23:10:19,063 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_0660b.c[6212,6225] [2020-12-01 23:10:19,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:10:19,088 INFO L208 MainTranslator]: Completed translation [2020-12-01 23:10:19,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:19 WrapperNode [2020-12-01 23:10:19,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 23:10:19,090 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 23:10:19,091 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 23:10:19,091 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 23:10:19,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:19" (1/1) ... [2020-12-01 23:10:19,118 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:19" (1/1) ... [2020-12-01 23:10:19,205 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 23:10:19,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 23:10:19,209 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 23:10:19,209 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 23:10:19,221 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:19" (1/1) ... [2020-12-01 23:10:19,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:19" (1/1) ... [2020-12-01 23:10:19,245 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:19" (1/1) ... [2020-12-01 23:10:19,248 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:19" (1/1) ... [2020-12-01 23:10:19,279 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:19" (1/1) ... [2020-12-01 23:10:19,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:19" (1/1) ... [2020-12-01 23:10:19,297 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:19" (1/1) ... [2020-12-01 23:10:19,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 23:10:19,305 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 23:10:19,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 23:10:19,305 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 23:10:19,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:19" (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 23:10:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 23:10:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 23:10:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-01 23:10:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 23:10:19,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-01 23:10:19,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 23:10:19,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 23:10:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 23:10:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-12-01 23:10:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 23:10:20,290 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 23:10:20,290 INFO L298 CfgBuilder]: Removed 44 assume(true) statements. [2020-12-01 23:10:20,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:10:20 BoogieIcfgContainer [2020-12-01 23:10:20,293 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 23:10:20,295 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 23:10:20,295 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 23:10:20,299 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 23:10:20,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:10:18" (1/3) ... [2020-12-01 23:10:20,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4687e3bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:10:20, skipping insertion in model container [2020-12-01 23:10:20,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:19" (2/3) ... [2020-12-01 23:10:20,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4687e3bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:10:20, skipping insertion in model container [2020-12-01 23:10:20,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:10:20" (3/3) ... [2020-12-01 23:10:20,304 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0660b.c [2020-12-01 23:10:20,321 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 23:10:20,326 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 23:10:20,340 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 23:10:20,370 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 23:10:20,370 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 23:10:20,370 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 23:10:20,371 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 23:10:20,371 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 23:10:20,371 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 23:10:20,371 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 23:10:20,372 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 23:10:20,391 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2020-12-01 23:10:20,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 23:10:20,397 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:10:20,398 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:10:20,399 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:10:20,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:10:20,406 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2020-12-01 23:10:20,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 23:10:20,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142741474] [2020-12-01 23:10:20,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 23:10:20,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 23:10:20,616 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 23:10:20,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142741474] [2020-12-01 23:10:20,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 23:10:20,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 23:10:20,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910100692] [2020-12-01 23:10:20,625 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 23:10:20,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 23:10:20,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 23:10:20,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 23:10:20,645 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2020-12-01 23:10:20,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 23:10:20,683 INFO L93 Difference]: Finished difference Result 227 states and 382 transitions. [2020-12-01 23:10:20,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 23:10:20,684 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-12-01 23:10:20,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 23:10:20,698 INFO L225 Difference]: With dead ends: 227 [2020-12-01 23:10:20,698 INFO L226 Difference]: Without dead ends: 111 [2020-12-01 23:10:20,702 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 23:10:20,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-12-01 23:10:20,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-12-01 23:10:20,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-12-01 23:10:20,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2020-12-01 23:10:20,776 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2020-12-01 23:10:20,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 23:10:20,777 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2020-12-01 23:10:20,777 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 23:10:20,778 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2020-12-01 23:10:20,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 23:10:20,779 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:10:20,780 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:10:20,780 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 23:10:20,780 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:10:20,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:10:20,782 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2020-12-01 23:10:20,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 23:10:20,782 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507606854] [2020-12-01 23:10:20,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 23:10:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:10:20,871 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:10:20,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:10:20,933 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:10:20,972 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 23:10:20,972 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 23:10:20,973 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 23:10:21,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 11:10:21 BoogieIcfgContainer [2020-12-01 23:10:21,022 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 23:10:21,023 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 23:10:21,023 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 23:10:21,023 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 23:10:21,024 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:10:20" (3/4) ... [2020-12-01 23:10:21,028 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 23:10:21,029 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 23:10:21,031 INFO L168 Benchmark]: Toolchain (without parser) took 2452.51 ms. Allocated memory was 44.0 MB in the beginning and 69.2 MB in the end (delta: 25.2 MB). Free memory was 21.8 MB in the beginning and 30.8 MB in the end (delta: -9.0 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. [2020-12-01 23:10:21,032 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 44.0 MB. Free memory was 24.7 MB in the beginning and 24.7 MB in the end (delta: 32.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:10:21,033 INFO L168 Benchmark]: CACSL2BoogieTranslator took 506.98 ms. Allocated memory was 44.0 MB in the beginning and 56.6 MB in the end (delta: 12.6 MB). Free memory was 21.6 MB in the beginning and 40.0 MB in the end (delta: -18.4 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. [2020-12-01 23:10:21,034 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.48 ms. Allocated memory is still 56.6 MB. Free memory was 39.8 MB in the beginning and 36.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:10:21,036 INFO L168 Benchmark]: Boogie Preprocessor took 96.12 ms. Allocated memory is still 56.6 MB. Free memory was 36.2 MB in the beginning and 33.0 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:10:21,037 INFO L168 Benchmark]: RCFGBuilder took 988.60 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 32.8 MB in the beginning and 47.7 MB in the end (delta: -14.9 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. [2020-12-01 23:10:21,038 INFO L168 Benchmark]: TraceAbstraction took 727.35 ms. Allocated memory is still 69.2 MB. Free memory was 47.3 MB in the beginning and 31.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 15.7 MB. Max. memory is 16.1 GB. [2020-12-01 23:10:21,038 INFO L168 Benchmark]: Witness Printer took 5.78 ms. Allocated memory is still 69.2 MB. Free memory was 31.2 MB in the beginning and 30.8 MB in the end (delta: 398.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:10:21,043 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 44.0 MB. Free memory was 24.7 MB in the beginning and 24.7 MB in the end (delta: 32.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 506.98 ms. Allocated memory was 44.0 MB in the beginning and 56.6 MB in the end (delta: 12.6 MB). Free memory was 21.6 MB in the beginning and 40.0 MB in the end (delta: -18.4 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 116.48 ms. Allocated memory is still 56.6 MB. Free memory was 39.8 MB in the beginning and 36.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 96.12 ms. Allocated memory is still 56.6 MB. Free memory was 36.2 MB in the beginning and 33.0 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 988.60 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 32.8 MB in the beginning and 47.7 MB in the end (delta: -14.9 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 727.35 ms. Allocated memory is still 69.2 MB. Free memory was 47.3 MB in the beginning and 31.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 15.7 MB. Max. memory is 16.1 GB. * Witness Printer took 5.78 ms. Allocated memory is still 69.2 MB. Free memory was 31.2 MB in the beginning and 30.8 MB in the end (delta: 398.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 261]: 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 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] [L261] 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, 115 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: 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=115occurred 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 0.2.0-096883e [2020-12-01 23:10:23,603 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 23:10:23,607 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 23:10:23,663 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-12-01 23:10:23,702 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 23:10:23,705 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 23:10:23,707 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 23:10:23,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 23:10:23,711 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 23:10:23,714 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 23:10:23,717 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 23:10:23,728 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 23:10:23,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 23:10:23,732 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 23:10:23,733 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 23:10:23,734 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 23:10:23,737 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-01 23:10:23,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 23:10:23,743 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 23:10:23,744 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 23:10:23,745 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 23:10:23,746 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 23:10:23,747 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 23:10:23,748 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 23:10:23,748 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 23:10:23,748 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 23:10:23,750 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 23:10:23,750 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 23:10:23,752 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-01 23:10:23,778 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 23:10:23,779 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 23:10:23,780 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 23:10:23,781 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 23:10:23,781 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 23:10:23,781 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 23:10:23,782 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 23:10:23,782 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 23:10:23,782 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 23:10:23,783 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 23:10:23,783 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 23:10:23,783 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 23:10:23,783 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 23:10:23,784 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 23:10:23,784 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 23:10:23,784 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 23:10:23,785 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 23:10:23,785 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 23:10:23,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 23:10:23,785 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 23:10:23,786 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 23:10:23,786 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 23:10:23,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:10:23,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 23:10:23,787 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 23:10:23,787 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 23:10:23,787 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-01 23:10:23,788 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 23:10:23,788 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 23:10:23,788 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 23:10:23,788 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 23:10:23,789 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d94564205655c2e8fe6741648a4c146e2f9a3c8 [2020-12-01 23:10:24,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 23:10:24,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 23:10:24,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 23:10:24,244 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 23:10:24,245 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 23:10:24,246 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0660b.c [2020-12-01 23:10:24,332 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/772834171/91451b6e1da54a9aafedbc75e3fa391c/FLAG3078f5740 [2020-12-01 23:10:25,058 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 23:10:25,060 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0660b.c [2020-12-01 23:10:25,074 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/772834171/91451b6e1da54a9aafedbc75e3fa391c/FLAG3078f5740 [2020-12-01 23:10:25,096 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/772834171/91451b6e1da54a9aafedbc75e3fa391c [2020-12-01 23:10:25,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 23:10:25,102 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 23:10:25,104 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 23:10:25,104 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 23:10:25,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 23:10:25,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:10:25" (1/1) ... [2020-12-01 23:10:25,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72c6eb78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25, skipping insertion in model container [2020-12-01 23:10:25,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:10:25" (1/1) ... [2020-12-01 23:10:25,132 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 23:10:25,188 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 23:10:25,440 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_0660b.c[6212,6225] [2020-12-01 23:10:25,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:10:25,472 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 23:10:25,595 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_0660b.c[6212,6225] [2020-12-01 23:10:25,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:10:25,629 INFO L208 MainTranslator]: Completed translation [2020-12-01 23:10:25,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25 WrapperNode [2020-12-01 23:10:25,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 23:10:25,632 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 23:10:25,632 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 23:10:25,633 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 23:10:25,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25" (1/1) ... [2020-12-01 23:10:25,662 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25" (1/1) ... [2020-12-01 23:10:25,722 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 23:10:25,723 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 23:10:25,724 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 23:10:25,724 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 23:10:25,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25" (1/1) ... [2020-12-01 23:10:25,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25" (1/1) ... [2020-12-01 23:10:25,747 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25" (1/1) ... [2020-12-01 23:10:25,748 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25" (1/1) ... [2020-12-01 23:10:25,777 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25" (1/1) ... [2020-12-01 23:10:25,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25" (1/1) ... [2020-12-01 23:10:25,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25" (1/1) ... [2020-12-01 23:10:25,801 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 23:10:25,802 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 23:10:25,803 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 23:10:25,803 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 23:10:25,804 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25" (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 23:10:25,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-01 23:10:25,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-01 23:10:25,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 23:10:25,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 23:10:25,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-12-01 23:10:25,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-01 23:10:25,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 23:10:25,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 23:10:25,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-01 23:10:25,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 23:11:17,102 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 23:11:17,103 INFO L298 CfgBuilder]: Removed 44 assume(true) statements. [2020-12-01 23:11:17,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:11:17 BoogieIcfgContainer [2020-12-01 23:11:17,105 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 23:11:17,107 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 23:11:17,107 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 23:11:17,111 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 23:11:17,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:10:25" (1/3) ... [2020-12-01 23:11:17,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@525a5ab1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:11:17, skipping insertion in model container [2020-12-01 23:11:17,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25" (2/3) ... [2020-12-01 23:11:17,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@525a5ab1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:11:17, skipping insertion in model container [2020-12-01 23:11:17,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:11:17" (3/3) ... [2020-12-01 23:11:17,115 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0660b.c [2020-12-01 23:11:17,138 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 23:11:17,146 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 23:11:17,162 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 23:11:17,210 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 23:11:17,210 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 23:11:17,210 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 23:11:17,211 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 23:11:17,211 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 23:11:17,211 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 23:11:17,211 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 23:11:17,211 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 23:11:17,245 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2020-12-01 23:11:17,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 23:11:17,255 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:11:17,256 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:11:17,257 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:11:17,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:11:17,283 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2020-12-01 23:11:17,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 23:11:17,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [733843206] [2020-12-01 23:11:17,305 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 23:11:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 23:11:17,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-01 23:11:17,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 23:11:17,927 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 23:11:17,928 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 23:11:17,946 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 23:11:17,948 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [733843206] [2020-12-01 23:11:17,948 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 23:11:17,949 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-01 23:11:17,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193866907] [2020-12-01 23:11:17,955 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 23:11:17,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 23:11:17,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 23:11:17,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 23:11:17,974 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2020-12-01 23:11:18,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 23:11:18,023 INFO L93 Difference]: Finished difference Result 227 states and 382 transitions. [2020-12-01 23:11:18,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 23:11:18,026 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-12-01 23:11:18,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 23:11:18,044 INFO L225 Difference]: With dead ends: 227 [2020-12-01 23:11:18,045 INFO L226 Difference]: Without dead ends: 111 [2020-12-01 23:11:18,057 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 [2020-12-01 23:11:18,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-12-01 23:11:18,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-12-01 23:11:18,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-12-01 23:11:18,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2020-12-01 23:11:18,126 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2020-12-01 23:11:18,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 23:11:18,127 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2020-12-01 23:11:18,127 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 23:11:18,128 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2020-12-01 23:11:18,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 23:11:18,130 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:11:18,130 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:11:18,331 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-01 23:11:18,332 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:11:18,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:11:18,334 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2020-12-01 23:11:18,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 23:11:18,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1791554530] [2020-12-01 23:11:18,336 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 23:11:19,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:11:19,206 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:11:19,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:11:19,901 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:11:20,051 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-12-01 23:11:20,051 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 23:11:20,253 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-01 23:11:20,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 11:11:20 BoogieIcfgContainer [2020-12-01 23:11:20,310 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 23:11:20,311 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 23:11:20,311 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 23:11:20,311 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 23:11:20,312 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:11:17" (3/4) ... [2020-12-01 23:11:20,314 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 23:11:20,406 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-01 23:11:20,409 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 23:11:20,412 INFO L168 Benchmark]: Toolchain (without parser) took 55309.36 ms. Allocated memory was 37.7 MB in the beginning and 62.9 MB in the end (delta: 25.2 MB). Free memory was 14.9 MB in the beginning and 24.0 MB in the end (delta: -9.0 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. [2020-12-01 23:11:20,413 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 37.7 MB. Free memory was 24.9 MB in the beginning and 24.9 MB in the end (delta: 20.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:11:20,413 INFO L168 Benchmark]: CACSL2BoogieTranslator took 527.17 ms. Allocated memory was 37.7 MB in the beginning and 46.1 MB in the end (delta: 8.4 MB). Free memory was 14.7 MB in the beginning and 23.9 MB in the end (delta: -9.2 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. [2020-12-01 23:11:20,414 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.96 ms. Allocated memory is still 46.1 MB. Free memory was 23.9 MB in the beginning and 29.4 MB in the end (delta: -5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-12-01 23:11:20,415 INFO L168 Benchmark]: Boogie Preprocessor took 78.72 ms. Allocated memory is still 46.1 MB. Free memory was 29.4 MB in the beginning and 25.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:11:20,416 INFO L168 Benchmark]: RCFGBuilder took 51302.81 ms. Allocated memory was 46.1 MB in the beginning and 62.9 MB in the end (delta: 16.8 MB). Free memory was 25.5 MB in the beginning and 38.0 MB in the end (delta: -12.6 MB). Peak memory consumption was 16.3 MB. Max. memory is 16.1 GB. [2020-12-01 23:11:20,416 INFO L168 Benchmark]: TraceAbstraction took 3203.08 ms. Allocated memory is still 62.9 MB. Free memory was 37.4 MB in the beginning and 28.9 MB in the end (delta: 8.5 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. [2020-12-01 23:11:20,417 INFO L168 Benchmark]: Witness Printer took 98.73 ms. Allocated memory is still 62.9 MB. Free memory was 28.5 MB in the beginning and 24.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:11:20,420 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 37.7 MB. Free memory was 24.9 MB in the beginning and 24.9 MB in the end (delta: 20.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 527.17 ms. Allocated memory was 37.7 MB in the beginning and 46.1 MB in the end (delta: 8.4 MB). Free memory was 14.7 MB in the beginning and 23.9 MB in the end (delta: -9.2 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 89.96 ms. Allocated memory is still 46.1 MB. Free memory was 23.9 MB in the beginning and 29.4 MB in the end (delta: -5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 78.72 ms. Allocated memory is still 46.1 MB. Free memory was 29.4 MB in the beginning and 25.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 51302.81 ms. Allocated memory was 46.1 MB in the beginning and 62.9 MB in the end (delta: 16.8 MB). Free memory was 25.5 MB in the beginning and 38.0 MB in the end (delta: -12.6 MB). Peak memory consumption was 16.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3203.08 ms. Allocated memory is still 62.9 MB. Free memory was 37.4 MB in the beginning and 28.9 MB in the end (delta: 8.5 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. * Witness Printer took 98.73 ms. Allocated memory is still 62.9 MB. Free memory was 28.5 MB in the beginning and 24.0 MB in the end (delta: 4.6 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: 261]: 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={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] [L261] 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, 115 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.0s, 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, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred 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, 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...