/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0663a.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 16:52:08,591 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 16:52:08,593 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 16:52:08,630 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-31 16:52:08,630 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-31 16:52:08,640 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-31 16:52:08,643 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-31 16:52:08,650 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-31 16:52:08,652 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-31 16:52:08,655 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-31 16:52:08,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-31 16:52:08,657 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-31 16:52:08,657 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 16:52:08,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 16:52:08,659 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 16:52:08,659 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 16:52:08,660 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 16:52:08,661 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 16:52:08,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 16:52:08,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 16:52:08,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 16:52:08,664 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 16:52:08,665 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 16:52:08,666 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 16:52:08,667 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-31 16:52:08,667 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-31 16:52:08,668 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-31 16:52:08,668 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-31 16:52:08,668 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-31 16:52:08,669 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-31 16:52:08,669 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-31 16:52:08,670 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-31 16:52:08,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-31 16:52:08,670 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-31 16:52:08,671 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-31 16:52:08,671 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-31 16:52:08,672 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-31 16:52:08,672 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-31 16:52:08,672 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 16:52:08,672 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 16:52:08,673 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 16:52:08,676 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-01-31 16:52:08,683 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 16:52:08,683 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 16:52:08,684 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 16:52:08,684 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 16:52:08,685 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 16:52:08,685 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 16:52:08,685 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 16:52:08,685 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 16:52:08,685 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 16:52:08,685 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 16:52:08,685 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 16:52:08,685 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 16:52:08,686 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 16:52:08,686 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 16:52:08,686 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 16:52:08,686 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 16:52:08,686 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 16:52:08,686 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 16:52:08,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 16:52:08,687 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 16:52:08,687 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-31 16:52:08,687 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-31 16:52:08,687 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 16:52:08,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 16:52:08,890 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 16:52:08,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 16:52:08,892 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 16:52:08,893 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 16:52:08,894 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0663a.c [2022-01-31 16:52:08,946 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5acae83e3/134672cb226d433fa94365c130bab2b4/FLAGcbf061185 [2022-01-31 16:52:09,268 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 16:52:09,269 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0663a.c [2022-01-31 16:52:09,274 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5acae83e3/134672cb226d433fa94365c130bab2b4/FLAGcbf061185 [2022-01-31 16:52:09,282 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5acae83e3/134672cb226d433fa94365c130bab2b4 [2022-01-31 16:52:09,284 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 16:52:09,285 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-31 16:52:09,289 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 16:52:09,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 16:52:09,291 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 16:52:09,292 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:52:09" (1/1) ... [2022-01-31 16:52:09,292 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@301e87d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:09, skipping insertion in model container [2022-01-31 16:52:09,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:52:09" (1/1) ... [2022-01-31 16:52:09,297 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 16:52:09,326 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 16:52:09,520 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0663a.c[5276,5289] [2022-01-31 16:52:09,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 16:52:09,530 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 16:52:09,555 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0663a.c[5276,5289] [2022-01-31 16:52:09,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 16:52:09,572 INFO L208 MainTranslator]: Completed translation [2022-01-31 16:52:09,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:09 WrapperNode [2022-01-31 16:52:09,573 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 16:52:09,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 16:52:09,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 16:52:09,573 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 16:52:09,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:09" (1/1) ... [2022-01-31 16:52:09,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:09" (1/1) ... [2022-01-31 16:52:09,598 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:09" (1/1) ... [2022-01-31 16:52:09,599 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:09" (1/1) ... [2022-01-31 16:52:09,627 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:09" (1/1) ... [2022-01-31 16:52:09,644 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:09" (1/1) ... [2022-01-31 16:52:09,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:09" (1/1) ... [2022-01-31 16:52:09,648 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 16:52:09,649 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 16:52:09,649 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 16:52:09,649 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 16:52:09,650 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:09" (1/1) ... [2022-01-31 16:52:09,662 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 16:52:09,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 16:52:09,684 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-31 16:52:09,686 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-31 16:52:09,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 16:52:09,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 16:52:09,716 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 16:52:09,716 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2022-01-31 16:52:09,716 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2022-01-31 16:52:09,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_atan2f [2022-01-31 16:52:09,717 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 16:52:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 16:52:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 16:52:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 16:52:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 16:52:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2022-01-31 16:52:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2022-01-31 16:52:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-31 16:52:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-01-31 16:52:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 16:52:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 16:52:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 16:52:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-01-31 16:52:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2022-01-31 16:52:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_atan2f [2022-01-31 16:52:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 16:52:09,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 16:52:09,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 16:52:09,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-01-31 16:52:09,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 16:52:09,842 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 16:52:09,843 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 16:52:10,085 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 16:52:10,092 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 16:52:10,092 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2022-01-31 16:52:10,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:52:10 BoogieIcfgContainer [2022-01-31 16:52:10,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 16:52:10,094 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-31 16:52:10,094 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-31 16:52:10,096 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-31 16:52:10,098 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:52:10" (1/1) ... [2022-01-31 16:52:10,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 04:52:10 BasicIcfg [2022-01-31 16:52:10,122 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-31 16:52:10,123 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 16:52:10,123 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 16:52:10,125 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 16:52:10,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 04:52:09" (1/4) ... [2022-01-31 16:52:10,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6000dedd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:52:10, skipping insertion in model container [2022-01-31 16:52:10,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:09" (2/4) ... [2022-01-31 16:52:10,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6000dedd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:52:10, skipping insertion in model container [2022-01-31 16:52:10,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:52:10" (3/4) ... [2022-01-31 16:52:10,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6000dedd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 04:52:10, skipping insertion in model container [2022-01-31 16:52:10,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 04:52:10" (4/4) ... [2022-01-31 16:52:10,127 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0663a.cJordan [2022-01-31 16:52:10,131 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-01-31 16:52:10,131 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 16:52:10,160 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 16:52:10,179 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=ForwardPredicates, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-31 16:52:10,180 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 16:52:10,208 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 87 states have (on average 1.632183908045977) internal successors, (142), 88 states have internal predecessors, (142), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-01-31 16:52:10,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-01-31 16:52:10,213 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:52:10,214 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:52:10,214 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:52:10,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:52:10,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1334287938, now seen corresponding path program 1 times [2022-01-31 16:52:10,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:52:10,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955236990] [2022-01-31 16:52:10,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:52:10,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:52:10,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:52:10,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:52:10,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:52:10,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 16:52:10,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:52:10,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:52:10,497 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:52:10,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955236990] [2022-01-31 16:52:10,499 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955236990] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:52:10,499 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:52:10,499 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 16:52:10,500 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324882731] [2022-01-31 16:52:10,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:52:10,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 16:52:10,506 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:52:10,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 16:52:10,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 16:52:10,531 INFO L87 Difference]: Start difference. First operand has 101 states, 87 states have (on average 1.632183908045977) internal successors, (142), 88 states have internal predecessors, (142), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-31 16:52:10,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:52:10,888 INFO L93 Difference]: Finished difference Result 104 states and 144 transitions. [2022-01-31 16:52:10,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:52:10,890 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2022-01-31 16:52:10,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:52:10,898 INFO L225 Difference]: With dead ends: 104 [2022-01-31 16:52:10,898 INFO L226 Difference]: Without dead ends: 96 [2022-01-31 16:52:10,900 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:52:10,902 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 132 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-31 16:52:10,903 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 133 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-31 16:52:10,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-01-31 16:52:10,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-01-31 16:52:10,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 84 states have (on average 1.4523809523809523) internal successors, (122), 84 states have internal predecessors, (122), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-01-31 16:52:10,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 135 transitions. [2022-01-31 16:52:10,937 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 135 transitions. Word has length 19 [2022-01-31 16:52:10,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:52:10,938 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 135 transitions. [2022-01-31 16:52:10,938 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-31 16:52:10,938 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 135 transitions. [2022-01-31 16:52:10,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-01-31 16:52:10,938 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:52:10,939 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:52:10,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 16:52:10,939 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:52:10,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:52:10,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1612883485, now seen corresponding path program 1 times [2022-01-31 16:52:10,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:52:10,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684190712] [2022-01-31 16:52:10,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:52:10,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:52:10,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 16:52:10,985 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-31 16:52:11,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 16:52:11,051 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-31 16:52:11,052 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-31 16:52:11,053 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-31 16:52:11,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-31 16:52:11,056 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-31 16:52:11,059 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-31 16:52:11,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 04:52:11 BasicIcfg [2022-01-31 16:52:11,107 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-31 16:52:11,108 INFO L158 Benchmark]: Toolchain (without parser) took 1822.10ms. Allocated memory is still 180.4MB. Free memory was 134.4MB in the beginning and 133.2MB in the end (delta: 1.2MB). Peak memory consumption was 896.4kB. Max. memory is 8.0GB. [2022-01-31 16:52:11,108 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 180.4MB. Free memory is still 150.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 16:52:11,108 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.96ms. Allocated memory is still 180.4MB. Free memory was 134.2MB in the beginning and 157.0MB in the end (delta: -22.8MB). Peak memory consumption was 7.0MB. Max. memory is 8.0GB. [2022-01-31 16:52:11,109 INFO L158 Benchmark]: Boogie Preprocessor took 75.06ms. Allocated memory is still 180.4MB. Free memory was 157.0MB in the beginning and 154.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-31 16:52:11,109 INFO L158 Benchmark]: RCFGBuilder took 444.67ms. Allocated memory is still 180.4MB. Free memory was 154.3MB in the beginning and 133.9MB in the end (delta: 20.5MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2022-01-31 16:52:11,109 INFO L158 Benchmark]: IcfgTransformer took 28.13ms. Allocated memory is still 180.4MB. Free memory was 133.4MB in the beginning and 131.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-31 16:52:11,110 INFO L158 Benchmark]: TraceAbstraction took 983.90ms. Allocated memory is still 180.4MB. Free memory was 130.8MB in the beginning and 133.2MB in the end (delta: -2.4MB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 16:52:11,111 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 180.4MB. Free memory is still 150.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 283.96ms. Allocated memory is still 180.4MB. Free memory was 134.2MB in the beginning and 157.0MB in the end (delta: -22.8MB). Peak memory consumption was 7.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 75.06ms. Allocated memory is still 180.4MB. Free memory was 157.0MB in the beginning and 154.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 444.67ms. Allocated memory is still 180.4MB. Free memory was 154.3MB in the beginning and 133.9MB in the end (delta: 20.5MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * IcfgTransformer took 28.13ms. Allocated memory is still 180.4MB. Free memory was 133.4MB in the beginning and 131.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * TraceAbstraction took 983.90ms. Allocated memory is still 180.4MB. Free memory was 130.8MB in the beginning and 133.2MB in the end (delta: -2.4MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 231]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 230, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 135, overapproximation of someUnaryFLOAToperation at line 218, overapproximation of someBinaryArithmeticFLOAToperation at line 137. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; VAL [\old(aT_atan)=null, \old(aT_atan)=null, \old(atanhi_atan)=null, \old(atanhi_atan)=null, \old(atanlo_atan)=null, \old(atanlo_atan)=null, \old(huge_atan)=1000000000000000000000000000004, \old(one_atan)=1000000000000000000000000000007, \old(pi)=1000000000000000000000000000012, \old(pi_lo_atan2)=1000000000000000000000000000013, \old(pi_o_2)=1000000000000000000000000000003, \old(pi_o_4)=1000000000000000000000000000011, \old(tiny_atan2)=1000000000000000000000000000008, \old(zero_atan2)=1000000000000000000000000000014, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L218] float x = -0.0f; [L219] float y = __VERIFIER_nondet_float(); [L226] COND TRUE y > 0.0f VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, y=1000000000000000000000000000009, zero_atan2=0] [L227] CALL, EXPR __ieee754_atan2f(y, x) VAL [\old(x)=1000000000000000000000000000015, \old(y)=1000000000000000000000000000009, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [\old(x)=1000000000000000000000000000015, \old(y)=1000000000000000000000000000009, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000015, y=1000000000000000000000000000009, zero_atan2=0] [L125] ieee_float_shape_type gf_u; [L126] gf_u.value = (x) [L127] EXPR gf_u.word [L127] (hx) = gf_u.word [L129] ix = hx & 0x7fffffff VAL [\old(x)=1000000000000000000000000000015, \old(y)=1000000000000000000000000000009, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=-2, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000015, y=1000000000000000000000000000009, zero_atan2=0] [L131] ieee_float_shape_type gf_u; [L132] gf_u.value = (y) [L133] EXPR gf_u.word [L133] (hy) = gf_u.word [L135] iy = hy & 0x7fffffff VAL [\old(x)=1000000000000000000000000000015, \old(y)=1000000000000000000000000000009, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=-2, hy=-1, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000015, y=1000000000000000000000000000009, zero_atan2=0] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [\old(x)=1000000000000000000000000000015, \old(y)=1000000000000000000000000000009, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=-2, hy=-1, ix=2139095041, iy=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000015, y=1000000000000000000000000000009, zero_atan2=0] [L227] RET, EXPR __ieee754_atan2f(y, x) VAL [__ieee754_atan2f(y, x)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000015, y=1000000000000000000000000000009, zero_atan2=0] [L227] float res = __ieee754_atan2f(y, x); [L230] COND TRUE res != pi_o_2 VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=1000000000000000000000000000001, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000015, y=1000000000000000000000000000009, zero_atan2=0] [L231] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=1000000000000000000000000000001, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000015, y=1000000000000000000000000000009, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 101 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 136 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 132 mSDsluCounter, 133 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 139 IncrementalHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 131 mSDtfsCounter, 139 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 78 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 [2022-01-31 16:52:11,139 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...