./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0661a.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_0661a.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 b824bf566437e177299c8e8b970f777a8a8d288a ........................................................................................................................................................................................................................................................................................................................................ 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_0661a.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 b824bf566437e177299c8e8b970f777a8a8d288a ..................................................................................................................................................................................................................................................................................................................................................... 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 23:10:16,570 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 23:10:16,574 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 23:10:16,629 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 23:10:16,630 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 23:10:16,635 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 23:10:16,638 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 23:10:16,645 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 23:10:16,652 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 23:10:16,658 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 23:10:16,659 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 23:10:16,661 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 23:10:16,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 23:10:16,665 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 23:10:16,667 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 23:10:16,669 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 23:10:16,670 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 23:10:16,674 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 23:10:16,677 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 23:10:16,685 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 23:10:16,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 23:10:16,689 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 23:10:16,692 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 23:10:16,693 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 23:10:16,701 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 23:10:16,702 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 23:10:16,702 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 23:10:16,704 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 23:10:16,705 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 23:10:16,706 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 23:10:16,707 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 23:10:16,708 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 23:10:16,710 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 23:10:16,711 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 23:10:16,712 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 23:10:16,712 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 23:10:16,713 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 23:10:16,714 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 23:10:16,714 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 23:10:16,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 23:10:16,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 23:10:16,718 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 23:10:16,773 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 23:10:16,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 23:10:16,777 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 23:10:16,777 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 23:10:16,778 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 23:10:16,778 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 23:10:16,778 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 23:10:16,779 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 23:10:16,779 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 23:10:16,779 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 23:10:16,781 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 23:10:16,781 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 23:10:16,781 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 23:10:16,782 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 23:10:16,782 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 23:10:16,782 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 23:10:16,782 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 23:10:16,783 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 23:10:16,783 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 23:10:16,783 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 23:10:16,784 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 23:10:16,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:10:16,784 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 23:10:16,785 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 23:10:16,785 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 23:10:16,785 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 23:10:16,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 23:10:16,786 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 23:10:16,786 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 23:10:16,786 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b824bf566437e177299c8e8b970f777a8a8d288a [2020-12-01 23:10:17,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 23:10:17,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 23:10:17,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 23:10:17,246 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 23:10:17,247 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 23:10:17,248 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0661a.c [2020-12-01 23:10:17,311 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc53b1e4d/7a2ff48d28254c7c9a6cc91584fbd9b8/FLAG19d922db6 [2020-12-01 23:10:17,890 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 23:10:17,890 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0661a.c [2020-12-01 23:10:17,900 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc53b1e4d/7a2ff48d28254c7c9a6cc91584fbd9b8/FLAG19d922db6 [2020-12-01 23:10:18,220 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc53b1e4d/7a2ff48d28254c7c9a6cc91584fbd9b8 [2020-12-01 23:10:18,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 23:10:18,227 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 23:10:18,232 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 23:10:18,232 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 23:10:18,236 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 23:10:18,238 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:10:18" (1/1) ... [2020-12-01 23:10:18,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65326854 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 23:10:18,248 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:10:18" (1/1) ... [2020-12-01 23:10:18,259 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 23:10:18,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 23:10:18,602 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_0661a.c[6446,6459] [2020-12-01 23:10:18,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:10:18,629 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 23:10:18,690 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_0661a.c[6446,6459] [2020-12-01 23:10:18,691 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:10:18,715 INFO L208 MainTranslator]: Completed translation [2020-12-01 23:10:18,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18 WrapperNode [2020-12-01 23:10:18,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 23:10:18,718 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 23:10:18,718 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 23:10:18,718 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 23:10:18,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18" (1/1) ... [2020-12-01 23:10:18,743 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18" (1/1) ... [2020-12-01 23:10:18,814 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 23:10:18,816 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 23:10:18,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 23:10:18,816 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 23:10:18,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18" (1/1) ... [2020-12-01 23:10:18,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18" (1/1) ... [2020-12-01 23:10:18,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18" (1/1) ... [2020-12-01 23:10:18,839 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18" (1/1) ... [2020-12-01 23:10:18,869 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18" (1/1) ... [2020-12-01 23:10:18,895 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18" (1/1) ... [2020-12-01 23:10:18,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18" (1/1) ... [2020-12-01 23:10:18,920 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 23:10:18,924 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 23:10:18,926 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 23:10:18,926 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 23:10:18,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18" (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 23:10:19,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 23:10:19,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 23:10:19,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-01 23:10:19,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 23:10:19,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-01 23:10:19,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 23:10:19,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 23:10:19,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 23:10:19,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-12-01 23:10:19,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 23:10:19,963 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 23:10:19,964 INFO L298 CfgBuilder]: Removed 48 assume(true) statements. [2020-12-01 23:10:19,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:10:19 BoogieIcfgContainer [2020-12-01 23:10:19,966 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 23:10:19,968 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 23:10:19,968 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 23:10:19,972 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 23:10:19,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:10:18" (1/3) ... [2020-12-01 23:10:19,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18b905b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:10:19, skipping insertion in model container [2020-12-01 23:10:19,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18" (2/3) ... [2020-12-01 23:10:19,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18b905b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:10:19, skipping insertion in model container [2020-12-01 23:10:19,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:10:19" (3/3) ... [2020-12-01 23:10:19,977 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0661a.c [2020-12-01 23:10:19,995 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 23:10:19,999 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 23:10:20,013 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 23:10:20,047 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 23:10:20,047 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 23:10:20,047 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 23:10:20,047 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 23:10:20,048 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 23:10:20,048 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 23:10:20,048 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 23:10:20,048 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 23:10:20,066 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states. [2020-12-01 23:10:20,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 23:10:20,073 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:10:20,074 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:10:20,074 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:10:20,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:10:20,081 INFO L82 PathProgramCache]: Analyzing trace with hash -1517456143, now seen corresponding path program 1 times [2020-12-01 23:10:20,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 23:10:20,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814434784] [2020-12-01 23:10:20,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 23:10:20,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 23:10:20,294 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 23:10:20,295 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814434784] [2020-12-01 23:10:20,296 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 23:10:20,297 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 23:10:20,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471530036] [2020-12-01 23:10:20,303 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 23:10:20,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 23:10:20,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 23:10:20,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 23:10:20,320 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 2 states. [2020-12-01 23:10:20,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 23:10:20,354 INFO L93 Difference]: Finished difference Result 237 states and 398 transitions. [2020-12-01 23:10:20,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 23:10:20,355 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-12-01 23:10:20,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 23:10:20,369 INFO L225 Difference]: With dead ends: 237 [2020-12-01 23:10:20,369 INFO L226 Difference]: Without dead ends: 116 [2020-12-01 23:10:20,373 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 23:10:20,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-12-01 23:10:20,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2020-12-01 23:10:20,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-12-01 23:10:20,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 165 transitions. [2020-12-01 23:10:20,422 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 165 transitions. Word has length 12 [2020-12-01 23:10:20,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 23:10:20,423 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 165 transitions. [2020-12-01 23:10:20,423 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 23:10:20,423 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 165 transitions. [2020-12-01 23:10:20,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 23:10:20,424 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:10:20,424 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:10:20,425 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 23:10:20,425 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:10:20,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:10:20,426 INFO L82 PathProgramCache]: Analyzing trace with hash -229938040, now seen corresponding path program 1 times [2020-12-01 23:10:20,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 23:10:20,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922788226] [2020-12-01 23:10:20,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 23:10:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:10:20,516 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:10:20,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:10:20,599 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:10:20,635 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 23:10:20,636 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 23:10:20,637 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 23:10:20,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 11:10:20 BoogieIcfgContainer [2020-12-01 23:10:20,690 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 23:10:20,691 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 23:10:20,691 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 23:10:20,691 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 23:10:20,692 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:10:19" (3/4) ... [2020-12-01 23:10:20,696 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 23:10:20,696 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 23:10:20,699 INFO L168 Benchmark]: Toolchain (without parser) took 2471.71 ms. Allocated memory was 52.4 MB in the beginning and 75.5 MB in the end (delta: 23.1 MB). Free memory was 29.3 MB in the beginning and 49.0 MB in the end (delta: -19.7 MB). Peak memory consumption was 6.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:10:20,700 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 52.4 MB. Free memory was 34.6 MB in the beginning and 34.6 MB in the end (delta: 34.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:10:20,701 INFO L168 Benchmark]: CACSL2BoogieTranslator took 484.82 ms. Allocated memory is still 52.4 MB. Free memory was 29.1 MB in the beginning and 25.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2020-12-01 23:10:20,702 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.30 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 25.2 MB in the beginning and 45.2 MB in the end (delta: -20.0 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2020-12-01 23:10:20,703 INFO L168 Benchmark]: Boogie Preprocessor took 107.23 ms. Allocated memory is still 62.9 MB. Free memory was 45.2 MB in the beginning and 41.6 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:10:20,704 INFO L168 Benchmark]: RCFGBuilder took 1042.38 ms. Allocated memory is still 62.9 MB. Free memory was 41.6 MB in the beginning and 33.9 MB in the end (delta: 7.7 MB). Peak memory consumption was 18.3 MB. Max. memory is 16.1 GB. [2020-12-01 23:10:20,705 INFO L168 Benchmark]: TraceAbstraction took 721.93 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 33.6 MB in the beginning and 49.4 MB in the end (delta: -15.9 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. [2020-12-01 23:10:20,706 INFO L168 Benchmark]: Witness Printer took 5.59 ms. Allocated memory is still 75.5 MB. Free memory was 49.4 MB in the beginning and 49.0 MB in the end (delta: 438.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:10:20,712 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 52.4 MB. Free memory was 34.6 MB in the beginning and 34.6 MB in the end (delta: 34.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 484.82 ms. Allocated memory is still 52.4 MB. Free memory was 29.1 MB in the beginning and 25.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 97.30 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 25.2 MB in the beginning and 45.2 MB in the end (delta: -20.0 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 107.23 ms. Allocated memory is still 62.9 MB. Free memory was 45.2 MB in the beginning and 41.6 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1042.38 ms. Allocated memory is still 62.9 MB. Free memory was 41.6 MB in the beginning and 33.9 MB in the end (delta: 7.7 MB). Peak memory consumption was 18.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 721.93 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 33.6 MB in the beginning and 49.4 MB in the end (delta: -15.9 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. * Witness Printer took 5.59 ms. Allocated memory is still 75.5 MB. Free memory was 49.4 MB in the beginning and 49.0 MB in the end (delta: 438.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 273]: 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 267, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of someBinaryDOUBLEComparisonOperation at line 272. 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] [L266] double x = __VERIFIER_nondet_double(); [L267] 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] [L269] 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] [L270] double res = __ieee754_atan2(y, x); [L272] EXPR res == -0.0 && __signbit_double(res) == 1 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] [L272] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L273] 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, 120 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 170 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=120occurred 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, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 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 23:10:23,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 23:10:23,351 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 23:10:23,388 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-12-01 23:10:23,403 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 23:10:23,405 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 23:10:23,406 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 23:10:23,408 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 23:10:23,409 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 23:10:23,410 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 23:10:23,413 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 23:10:23,415 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 23:10:23,419 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 23:10:23,421 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 23:10:23,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 23:10:23,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 23:10:23,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-01 23:10:23,447 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 23:10:23,448 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 23:10:23,450 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 23:10:23,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 23:10:23,454 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 23:10:23,454 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 23:10:23,455 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 23:10:23,456 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 23:10:23,456 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 23:10:23,457 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 23:10:23,459 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 23:10:23,460 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-01 23:10:23,518 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 23:10:23,519 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 23:10:23,521 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 23:10:23,522 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 23:10:23,523 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 23:10:23,523 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 23:10:23,523 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 23:10:23,524 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 23:10:23,524 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 23:10:23,524 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 23:10:23,525 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 23:10:23,526 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 23:10:23,526 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 23:10:23,527 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 23:10:23,527 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 23:10:23,527 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 23:10:23,527 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 23:10:23,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 23:10:23,528 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 23:10:23,528 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 23:10:23,529 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 23:10:23,529 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 23:10:23,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:10:23,530 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 23:10:23,530 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 23:10:23,530 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 23:10:23,530 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-01 23:10:23,531 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 23:10:23,531 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 23:10:23,531 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 23:10:23,531 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 23:10:23,532 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b824bf566437e177299c8e8b970f777a8a8d288a [2020-12-01 23:10:23,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 23:10:23,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 23:10:23,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 23:10:23,959 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 23:10:23,960 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 23:10:23,961 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0661a.c [2020-12-01 23:10:24,044 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/874c0a2c8/a58719484bb04cc897033a43bbcc2c9b/FLAGbc915a114 [2020-12-01 23:10:24,612 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 23:10:24,613 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0661a.c [2020-12-01 23:10:24,626 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/874c0a2c8/a58719484bb04cc897033a43bbcc2c9b/FLAGbc915a114 [2020-12-01 23:10:24,968 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/874c0a2c8/a58719484bb04cc897033a43bbcc2c9b [2020-12-01 23:10:24,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 23:10:24,973 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 23:10:24,975 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 23:10:24,975 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 23:10:24,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 23:10:24,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:10:24" (1/1) ... [2020-12-01 23:10:24,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38d79478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:24, skipping insertion in model container [2020-12-01 23:10:24,995 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:10:24" (1/1) ... [2020-12-01 23:10:25,003 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 23:10:25,032 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 23:10:25,261 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_0661a.c[6446,6459] [2020-12-01 23:10:25,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:10:25,289 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 23:10:25,415 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_0661a.c[6446,6459] [2020-12-01 23:10:25,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:10:25,471 INFO L208 MainTranslator]: Completed translation [2020-12-01 23:10:25,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25 WrapperNode [2020-12-01 23:10:25,473 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 23:10:25,477 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 23:10:25,477 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 23:10:25,478 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 23:10:25,487 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 23:10:25,526 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 23:10:25,603 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 23:10:25,604 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 23:10:25,604 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 23:10:25,604 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 23:10:25,618 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 23:10:25,619 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 23:10:25,636 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 23:10:25,636 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 23:10:25,675 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 23:10:25,685 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 23:10:25,691 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 23:10:25,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 23:10:25,699 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 23:10:25,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 23:10:25,699 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 23:10:25,700 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 23:10:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-01 23:10:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-01 23:10:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 23:10:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 23:10:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-12-01 23:10:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-01 23:10:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 23:10:25,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 23:10:25,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-01 23:10:25,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 23:11:19,922 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 23:11:19,923 INFO L298 CfgBuilder]: Removed 48 assume(true) statements. [2020-12-01 23:11:19,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:11:19 BoogieIcfgContainer [2020-12-01 23:11:19,925 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 23:11:19,927 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 23:11:19,927 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 23:11:19,931 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 23:11:19,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:10:24" (1/3) ... [2020-12-01 23:11:19,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@681d8609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:11:19, skipping insertion in model container [2020-12-01 23:11:19,933 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 23:11:19,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@681d8609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:11:19, skipping insertion in model container [2020-12-01 23:11:19,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:11:19" (3/3) ... [2020-12-01 23:11:19,935 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0661a.c [2020-12-01 23:11:19,951 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 23:11:19,956 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 23:11:19,975 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 23:11:20,004 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 23:11:20,005 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 23:11:20,005 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 23:11:20,005 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 23:11:20,005 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 23:11:20,005 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 23:11:20,006 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 23:11:20,006 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 23:11:20,026 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states. [2020-12-01 23:11:20,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 23:11:20,047 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:11:20,048 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:11:20,049 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:11:20,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:11:20,063 INFO L82 PathProgramCache]: Analyzing trace with hash -1517456143, now seen corresponding path program 1 times [2020-12-01 23:11:20,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 23:11:20,085 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [132428022] [2020-12-01 23:11:20,085 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 23:11:20,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 23:11:20,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-01 23:11:20,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 23:11:20,585 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 23:11:20,587 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 23:11:20,607 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 23:11:20,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [132428022] [2020-12-01 23:11:20,609 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 23:11:20,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-01 23:11:20,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016219631] [2020-12-01 23:11:20,622 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 23:11:20,622 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 23:11:20,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 23:11:20,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 23:11:20,641 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 2 states. [2020-12-01 23:11:20,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 23:11:20,677 INFO L93 Difference]: Finished difference Result 237 states and 398 transitions. [2020-12-01 23:11:20,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 23:11:20,679 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-12-01 23:11:20,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 23:11:20,691 INFO L225 Difference]: With dead ends: 237 [2020-12-01 23:11:20,691 INFO L226 Difference]: Without dead ends: 116 [2020-12-01 23:11:20,695 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 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 23:11:20,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-12-01 23:11:20,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2020-12-01 23:11:20,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-12-01 23:11:20,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 165 transitions. [2020-12-01 23:11:20,745 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 165 transitions. Word has length 12 [2020-12-01 23:11:20,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 23:11:20,746 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 165 transitions. [2020-12-01 23:11:20,746 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 23:11:20,746 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 165 transitions. [2020-12-01 23:11:20,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 23:11:20,747 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:11:20,747 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:11:20,961 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-01 23:11:20,961 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:11:20,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:11:20,963 INFO L82 PathProgramCache]: Analyzing trace with hash -229938040, now seen corresponding path program 1 times [2020-12-01 23:11:20,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 23:11:20,965 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [534287950] [2020-12-01 23:11:20,965 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 23:11:21,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:11:21,706 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:11:22,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:11:22,496 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:11:22,614 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-12-01 23:11:22,614 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 23:11:22,816 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-01 23:11:22,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 11:11:22 BoogieIcfgContainer [2020-12-01 23:11:22,880 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 23:11:22,881 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 23:11:22,881 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 23:11:22,881 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 23:11:22,882 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:11:19" (3/4) ... [2020-12-01 23:11:22,889 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 23:11:22,971 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-01 23:11:22,971 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 23:11:22,974 INFO L168 Benchmark]: Toolchain (without parser) took 57999.60 ms. Allocated memory was 44.0 MB in the beginning and 69.2 MB in the end (delta: 25.2 MB). Free memory was 20.6 MB in the beginning and 29.2 MB in the end (delta: -8.6 MB). Peak memory consumption was 19.0 MB. Max. memory is 16.1 GB. [2020-12-01 23:11:22,975 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 44.0 MB. Free memory was 22.0 MB in the beginning and 21.9 MB in the end (delta: 52.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:11:22,976 INFO L168 Benchmark]: CACSL2BoogieTranslator took 499.25 ms. Allocated memory was 44.0 MB in the beginning and 56.6 MB in the end (delta: 12.6 MB). Free memory was 20.4 MB in the beginning and 38.6 MB in the end (delta: -18.1 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. [2020-12-01 23:11:22,977 INFO L168 Benchmark]: Boogie Procedure Inliner took 126.36 ms. Allocated memory is still 56.6 MB. Free memory was 38.4 MB in the beginning and 34.7 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:11:22,977 INFO L168 Benchmark]: Boogie Preprocessor took 94.09 ms. Allocated memory is still 56.6 MB. Free memory was 34.7 MB in the beginning and 30.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:11:22,978 INFO L168 Benchmark]: RCFGBuilder took 54226.79 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 30.7 MB in the beginning and 34.9 MB in the end (delta: -4.2 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. [2020-12-01 23:11:22,979 INFO L168 Benchmark]: TraceAbstraction took 2953.27 ms. Allocated memory is still 69.2 MB. Free memory was 34.4 MB in the beginning and 33.9 MB in the end (delta: 514.1 kB). Peak memory consumption was 1.6 MB. Max. memory is 16.1 GB. [2020-12-01 23:11:22,980 INFO L168 Benchmark]: Witness Printer took 90.52 ms. Allocated memory is still 69.2 MB. Free memory was 33.9 MB in the beginning and 29.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:11:22,985 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 44.0 MB. Free memory was 22.0 MB in the beginning and 21.9 MB in the end (delta: 52.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 499.25 ms. Allocated memory was 44.0 MB in the beginning and 56.6 MB in the end (delta: 12.6 MB). Free memory was 20.4 MB in the beginning and 38.6 MB in the end (delta: -18.1 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 126.36 ms. Allocated memory is still 56.6 MB. Free memory was 38.4 MB in the beginning and 34.7 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 94.09 ms. Allocated memory is still 56.6 MB. Free memory was 34.7 MB in the beginning and 30.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 54226.79 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 30.7 MB in the beginning and 34.9 MB in the end (delta: -4.2 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2953.27 ms. Allocated memory is still 69.2 MB. Free memory was 34.4 MB in the beginning and 33.9 MB in the end (delta: 514.1 kB). Peak memory consumption was 1.6 MB. Max. memory is 16.1 GB. * Witness Printer took 90.52 ms. Allocated memory is still 69.2 MB. Free memory was 33.9 MB in the beginning and 29.2 MB in the end (delta: 4.7 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: 273]: 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] [L266] double x = __VERIFIER_nondet_double(); [L267] 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] [L269] 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] [L270] double res = __ieee754_atan2(y, x); [L272] EXPR res == -0.0 && __signbit_double(res) == 1 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] [L272] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L273] 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, 120 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.8s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 170 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=120occurred 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, 0.9s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 242 SizeOfPredicates, 0 NumberOfNonLiveVariables, 117 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...