/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_0660a.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 16:52:03,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 16:52:03,485 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 16:52:03,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-31 16:52:03,523 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-31 16:52:03,525 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-31 16:52:03,527 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-31 16:52:03,531 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-31 16:52:03,534 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-31 16:52:03,537 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-31 16:52:03,537 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-31 16:52:03,538 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-31 16:52:03,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 16:52:03,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 16:52:03,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 16:52:03,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 16:52:03,540 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 16:52:03,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 16:52:03,541 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 16:52:03,542 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 16:52:03,543 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 16:52:03,544 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 16:52:03,545 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 16:52:03,546 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 16:52:03,554 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-31 16:52:03,554 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-31 16:52:03,555 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-31 16:52:03,555 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-31 16:52:03,556 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-31 16:52:03,556 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-31 16:52:03,557 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-31 16:52:03,557 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-31 16:52:03,558 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-31 16:52:03,558 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-31 16:52:03,559 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-31 16:52:03,559 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-31 16:52:03,559 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-31 16:52:03,560 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-31 16:52:03,560 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 16:52:03,560 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 16:52:03,561 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 16:52:03,562 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-01-31 16:52:03,571 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 16:52:03,571 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 16:52:03,572 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 16:52:03,572 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 16:52:03,572 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 16:52:03,572 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 16:52:03,573 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 16:52:03,573 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 16:52:03,573 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 16:52:03,573 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 16:52:03,573 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 16:52:03,573 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 16:52:03,573 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 16:52:03,573 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 16:52:03,573 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 16:52:03,574 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 16:52:03,574 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 16:52:03,574 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 16:52:03,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 16:52:03,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 16:52:03,574 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-31 16:52:03,575 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-31 16:52:03,575 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 16:52:03,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 16:52:03,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 16:52:03,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 16:52:03,790 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 16:52:03,790 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 16:52:03,791 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0660a.c [2022-01-31 16:52:03,827 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/658a97f8d/217a62ff3548442d9aa8360a4a1c5ec9/FLAG16772a70e [2022-01-31 16:52:04,202 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 16:52:04,203 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0660a.c [2022-01-31 16:52:04,212 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/658a97f8d/217a62ff3548442d9aa8360a4a1c5ec9/FLAG16772a70e [2022-01-31 16:52:04,610 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/658a97f8d/217a62ff3548442d9aa8360a4a1c5ec9 [2022-01-31 16:52:04,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 16:52:04,613 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-31 16:52:04,615 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 16:52:04,615 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 16:52:04,618 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 16:52:04,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:52:04" (1/1) ... [2022-01-31 16:52:04,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42ac6d30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:04, skipping insertion in model container [2022-01-31 16:52:04,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:52:04" (1/1) ... [2022-01-31 16:52:04,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 16:52:04,646 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 16:52:04,776 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_0660a.c[5286,5299] [2022-01-31 16:52:04,778 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 16:52:04,789 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 16:52:04,815 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_0660a.c[5286,5299] [2022-01-31 16:52:04,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 16:52:04,828 INFO L208 MainTranslator]: Completed translation [2022-01-31 16:52:04,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:04 WrapperNode [2022-01-31 16:52:04,828 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 16:52:04,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 16:52:04,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 16:52:04,829 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 16:52:04,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:04" (1/1) ... [2022-01-31 16:52:04,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:04" (1/1) ... [2022-01-31 16:52:04,846 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:04" (1/1) ... [2022-01-31 16:52:04,846 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:04" (1/1) ... [2022-01-31 16:52:04,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:04" (1/1) ... [2022-01-31 16:52:04,870 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:04" (1/1) ... [2022-01-31 16:52:04,875 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:04" (1/1) ... [2022-01-31 16:52:04,877 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 16:52:04,878 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 16:52:04,878 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 16:52:04,878 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 16:52:04,879 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:04" (1/1) ... [2022-01-31 16:52:04,884 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 16:52:04,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 16:52:04,899 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 16:52:04,904 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 16:52:04,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 16:52:04,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 16:52:04,926 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 16:52:04,926 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2022-01-31 16:52:04,926 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2022-01-31 16:52:04,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_atan2f [2022-01-31 16:52:04,926 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 16:52:04,926 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 16:52:04,926 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 16:52:04,926 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 16:52:04,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 16:52:04,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2022-01-31 16:52:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2022-01-31 16:52:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-31 16:52:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-01-31 16:52:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 16:52:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 16:52:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 16:52:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-01-31 16:52:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2022-01-31 16:52:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_atan2f [2022-01-31 16:52:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 16:52:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 16:52:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 16:52:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-01-31 16:52:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 16:52:04,990 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 16:52:04,991 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 16:52:05,224 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 16:52:05,229 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 16:52:05,229 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2022-01-31 16:52:05,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:52:05 BoogieIcfgContainer [2022-01-31 16:52:05,230 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 16:52:05,231 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-31 16:52:05,231 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-31 16:52:05,232 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-31 16:52:05,233 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:52:05" (1/1) ... [2022-01-31 16:52:05,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 04:52:05 BasicIcfg [2022-01-31 16:52:05,252 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-31 16:52:05,253 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 16:52:05,253 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 16:52:05,255 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 16:52:05,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 04:52:04" (1/4) ... [2022-01-31 16:52:05,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50dbf4ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:52:05, skipping insertion in model container [2022-01-31 16:52:05,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:04" (2/4) ... [2022-01-31 16:52:05,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50dbf4ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:52:05, skipping insertion in model container [2022-01-31 16:52:05,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:52:05" (3/4) ... [2022-01-31 16:52:05,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50dbf4ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 04:52:05, skipping insertion in model container [2022-01-31 16:52:05,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 04:52:05" (4/4) ... [2022-01-31 16:52:05,257 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0660a.cJordan [2022-01-31 16:52:05,260 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-01-31 16:52:05,260 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 16:52:05,293 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 16:52:05,301 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 16:52:05,301 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 16:52:05,323 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 16:52:05,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-01-31 16:52:05,329 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:52:05,330 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 16:52:05,330 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:52:05,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:52:05,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1334287938, now seen corresponding path program 1 times [2022-01-31 16:52:05,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:52:05,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575575181] [2022-01-31 16:52:05,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:52:05,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:52:05,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:52:05,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:52:05,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:52:05,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 16:52:05,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:52:05,575 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 16:52:05,575 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:52:05,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575575181] [2022-01-31 16:52:05,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575575181] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:52:05,576 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:52:05,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 16:52:05,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761341823] [2022-01-31 16:52:05,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:52:05,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 16:52:05,583 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:52:05,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 16:52:05,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 16:52:05,607 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 16:52:05,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:52:05,910 INFO L93 Difference]: Finished difference Result 104 states and 144 transitions. [2022-01-31 16:52:05,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:52:05,913 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 16:52:05,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:52:05,921 INFO L225 Difference]: With dead ends: 104 [2022-01-31 16:52:05,921 INFO L226 Difference]: Without dead ends: 96 [2022-01-31 16:52:05,923 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 16:52:05,928 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 16:52:05,929 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 16:52:05,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-01-31 16:52:05,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-01-31 16:52:05,962 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 16:52:05,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 135 transitions. [2022-01-31 16:52:05,968 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 135 transitions. Word has length 19 [2022-01-31 16:52:05,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:52:05,969 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 135 transitions. [2022-01-31 16:52:05,969 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 16:52:05,969 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 135 transitions. [2022-01-31 16:52:05,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-01-31 16:52:05,971 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:52:05,971 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 16:52:05,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 16:52:05,972 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:52:05,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:52:05,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1612883485, now seen corresponding path program 1 times [2022-01-31 16:52:05,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:52:05,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142091192] [2022-01-31 16:52:05,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:52:05,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:52:06,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 16:52:06,048 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-31 16:52:06,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 16:52:06,110 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-31 16:52:06,110 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-31 16:52:06,112 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-31 16:52:06,113 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-31 16:52:06,115 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-31 16:52:06,117 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-31 16:52:06,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 04:52:06 BasicIcfg [2022-01-31 16:52:06,156 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-31 16:52:06,157 INFO L158 Benchmark]: Toolchain (without parser) took 1543.64ms. Allocated memory is still 190.8MB. Free memory was 141.9MB in the beginning and 74.4MB in the end (delta: 67.4MB). Peak memory consumption was 66.6MB. Max. memory is 8.0GB. [2022-01-31 16:52:06,157 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 190.8MB. Free memory was 158.4MB in the beginning and 158.2MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 16:52:06,159 INFO L158 Benchmark]: CACSL2BoogieTranslator took 213.10ms. Allocated memory is still 190.8MB. Free memory was 141.7MB in the beginning and 164.6MB in the end (delta: -22.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-01-31 16:52:06,160 INFO L158 Benchmark]: Boogie Preprocessor took 48.76ms. Allocated memory is still 190.8MB. Free memory was 164.6MB in the beginning and 162.0MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-31 16:52:06,162 INFO L158 Benchmark]: RCFGBuilder took 352.15ms. Allocated memory is still 190.8MB. Free memory was 162.0MB in the beginning and 141.0MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2022-01-31 16:52:06,162 INFO L158 Benchmark]: IcfgTransformer took 21.45ms. Allocated memory is still 190.8MB. Free memory was 141.0MB in the beginning and 138.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-31 16:52:06,162 INFO L158 Benchmark]: TraceAbstraction took 902.93ms. Allocated memory is still 190.8MB. Free memory was 137.9MB in the beginning and 74.4MB in the end (delta: 63.4MB). Peak memory consumption was 62.9MB. Max. memory is 8.0GB. [2022-01-31 16:52:06,165 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 190.8MB. Free memory was 158.4MB in the beginning and 158.2MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 213.10ms. Allocated memory is still 190.8MB. Free memory was 141.7MB in the beginning and 164.6MB in the end (delta: -22.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 48.76ms. Allocated memory is still 190.8MB. Free memory was 164.6MB in the beginning and 162.0MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 352.15ms. Allocated memory is still 190.8MB. Free memory was 162.0MB in the beginning and 141.0MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * IcfgTransformer took 21.45ms. Allocated memory is still 190.8MB. Free memory was 141.0MB in the beginning and 138.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * TraceAbstraction took 902.93ms. Allocated memory is still 190.8MB. Free memory was 137.9MB in the beginning and 74.4MB in the end (delta: 63.4MB). Peak memory consumption was 62.9MB. 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: 232]: 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 231, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 135, overapproximation of someUnaryFLOAToperation at line 219, 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 = __VERIFIER_nondet_float(); [L219] float 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, x=1000000000000000000000000000015, zero_atan2=0] [L226] COND TRUE x < 0.0f && 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, x=1000000000000000000000000000015, zero_atan2=0] [L228] 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=0, 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=0, 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=0, 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] [L228] 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] [L228] float res = __ieee754_atan2f(y, x); [L231] COND TRUE res != -pi 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] [L232] 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: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, 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 16:52:06,216 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...