/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_0832b.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 16:52:30,078 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 16:52:30,080 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 16:52:30,133 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-31 16:52:30,133 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-31 16:52:30,134 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-31 16:52:30,135 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-31 16:52:30,137 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-31 16:52:30,151 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-31 16:52:30,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-31 16:52:30,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-31 16:52:30,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-31 16:52:30,154 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 16:52:30,155 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 16:52:30,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 16:52:30,157 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 16:52:30,157 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 16:52:30,158 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 16:52:30,164 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 16:52:30,169 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 16:52:30,171 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 16:52:30,175 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 16:52:30,176 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 16:52:30,177 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 16:52:30,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-31 16:52:30,180 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-31 16:52:30,180 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-31 16:52:30,181 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-31 16:52:30,181 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-31 16:52:30,182 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-31 16:52:30,182 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-31 16:52:30,183 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-31 16:52:30,183 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-31 16:52:30,184 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-31 16:52:30,185 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-31 16:52:30,185 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-31 16:52:30,186 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-31 16:52:30,186 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-31 16:52:30,186 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 16:52:30,193 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 16:52:30,194 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 16:52:30,196 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-01-31 16:52:30,204 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 16:52:30,205 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 16:52:30,206 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 16:52:30,206 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 16:52:30,206 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 16:52:30,206 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 16:52:30,207 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 16:52:30,207 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 16:52:30,207 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 16:52:30,207 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 16:52:30,207 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 16:52:30,207 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 16:52:30,207 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 16:52:30,208 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 16:52:30,208 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 16:52:30,208 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 16:52:30,208 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 16:52:30,208 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 16:52:30,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 16:52:30,209 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 16:52:30,209 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-31 16:52:30,210 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-31 16:52:30,210 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 16:52:30,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 16:52:30,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 16:52:30,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 16:52:30,486 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 16:52:30,487 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 16:52:30,488 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0832b.c [2022-01-31 16:52:30,542 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1c1db942/4b04576fc31244a5b9c73e3c21e564ea/FLAG2ab129c66 [2022-01-31 16:52:30,991 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 16:52:30,992 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0832b.c [2022-01-31 16:52:31,001 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1c1db942/4b04576fc31244a5b9c73e3c21e564ea/FLAG2ab129c66 [2022-01-31 16:52:31,382 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1c1db942/4b04576fc31244a5b9c73e3c21e564ea [2022-01-31 16:52:31,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 16:52:31,386 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-31 16:52:31,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 16:52:31,388 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 16:52:31,394 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 16:52:31,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:52:31" (1/1) ... [2022-01-31 16:52:31,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f793efa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:31, skipping insertion in model container [2022-01-31 16:52:31,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:52:31" (1/1) ... [2022-01-31 16:52:31,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 16:52:31,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 16:52:31,656 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_0832b.c[3181,3194] [2022-01-31 16:52:31,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 16:52:31,669 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 16:52:31,710 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_0832b.c[3181,3194] [2022-01-31 16:52:31,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 16:52:31,728 INFO L208 MainTranslator]: Completed translation [2022-01-31 16:52:31,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:31 WrapperNode [2022-01-31 16:52:31,729 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 16:52:31,730 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 16:52:31,730 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 16:52:31,730 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 16:52:31,741 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:31" (1/1) ... [2022-01-31 16:52:31,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:31" (1/1) ... [2022-01-31 16:52:31,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:31" (1/1) ... [2022-01-31 16:52:31,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:31" (1/1) ... [2022-01-31 16:52:31,776 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:31" (1/1) ... [2022-01-31 16:52:31,779 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:31" (1/1) ... [2022-01-31 16:52:31,781 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:31" (1/1) ... [2022-01-31 16:52:31,783 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 16:52:31,784 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 16:52:31,784 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 16:52:31,784 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 16:52:31,785 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:31" (1/1) ... [2022-01-31 16:52:31,791 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 16:52:31,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 16:52:31,812 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 16:52:31,839 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 16:52:31,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 16:52:31,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 16:52:31,854 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 16:52:31,854 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2022-01-31 16:52:31,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_expf [2022-01-31 16:52:31,855 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 16:52:31,855 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 16:52:31,856 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 16:52:31,856 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 16:52:31,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 16:52:31,856 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2022-01-31 16:52:31,856 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2022-01-31 16:52:31,857 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_expf [2022-01-31 16:52:31,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-31 16:52:31,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-01-31 16:52:31,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 16:52:31,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 16:52:31,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-01-31 16:52:31,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 16:52:31,860 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 16:52:31,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 16:52:31,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 16:52:31,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-01-31 16:52:31,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 16:52:31,973 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 16:52:31,975 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 16:52:32,178 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 16:52:32,183 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 16:52:32,183 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2022-01-31 16:52:32,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:52:32 BoogieIcfgContainer [2022-01-31 16:52:32,185 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 16:52:32,186 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-31 16:52:32,186 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-31 16:52:32,187 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-31 16:52:32,189 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:52:32" (1/1) ... [2022-01-31 16:52:32,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 04:52:32 BasicIcfg [2022-01-31 16:52:32,220 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-31 16:52:32,221 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 16:52:32,222 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 16:52:32,224 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 16:52:32,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 04:52:31" (1/4) ... [2022-01-31 16:52:32,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c079add and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:52:32, skipping insertion in model container [2022-01-31 16:52:32,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:52:31" (2/4) ... [2022-01-31 16:52:32,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c079add and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:52:32, skipping insertion in model container [2022-01-31 16:52:32,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:52:32" (3/4) ... [2022-01-31 16:52:32,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c079add and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 04:52:32, skipping insertion in model container [2022-01-31 16:52:32,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 04:52:32" (4/4) ... [2022-01-31 16:52:32,227 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0832b.cJordan [2022-01-31 16:52:32,232 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-01-31 16:52:32,232 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 16:52:32,279 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 16:52:32,285 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 16:52:32,286 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 16:52:32,301 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 37 states have (on average 1.6216216216216217) internal successors, (60), 38 states have internal predecessors, (60), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-01-31 16:52:32,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-01-31 16:52:32,308 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:52:32,309 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:52:32,309 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:52:32,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:52:32,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1494415500, now seen corresponding path program 1 times [2022-01-31 16:52:32,325 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:52:32,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737329384] [2022-01-31 16:52:32,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:52:32,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:52:32,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:52:32,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:52:32,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:52:32,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:52:32,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:52:32,676 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 16:52:32,677 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:52:32,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737329384] [2022-01-31 16:52:32,678 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737329384] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:52:32,678 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:52:32,678 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 16:52:32,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110935659] [2022-01-31 16:52:32,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:52:32,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 16:52:32,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:52:32,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 16:52:32,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 16:52:32,715 INFO L87 Difference]: Start difference. First operand has 45 states, 37 states have (on average 1.6216216216216217) internal successors, (60), 38 states have internal predecessors, (60), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 2 states have internal predecessors, (11), 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 16:52:32,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:52:32,977 INFO L93 Difference]: Finished difference Result 45 states and 55 transitions. [2022-01-31 16:52:32,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:52:32,979 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 2 states have internal predecessors, (11), 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 16 [2022-01-31 16:52:32,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:52:32,989 INFO L225 Difference]: With dead ends: 45 [2022-01-31 16:52:32,989 INFO L226 Difference]: Without dead ends: 41 [2022-01-31 16:52:32,991 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 16:52:32,994 INFO L933 BasicCegarLoop]: 51 mSDtfsCounter, 48 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-31 16:52:32,995 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 53 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-31 16:52:33,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-01-31 16:52:33,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2022-01-31 16:52:33,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 35 states have internal predecessors, (46), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-31 16:52:33,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 51 transitions. [2022-01-31 16:52:33,029 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 51 transitions. Word has length 16 [2022-01-31 16:52:33,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:52:33,030 INFO L470 AbstractCegarLoop]: Abstraction has 41 states and 51 transitions. [2022-01-31 16:52:33,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 2 states have internal predecessors, (11), 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 16:52:33,030 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2022-01-31 16:52:33,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-01-31 16:52:33,031 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:52:33,031 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:52:33,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 16:52:33,032 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:52:33,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:52:33,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1744077371, now seen corresponding path program 1 times [2022-01-31 16:52:33,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:52:33,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421062781] [2022-01-31 16:52:33,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:52:33,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:52:33,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 16:52:33,073 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-31 16:52:33,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 16:52:33,111 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-31 16:52:33,112 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-31 16:52:33,113 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-31 16:52:33,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-31 16:52:33,117 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-31 16:52:33,119 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-31 16:52:33,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 04:52:33 BasicIcfg [2022-01-31 16:52:33,153 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-31 16:52:33,153 INFO L158 Benchmark]: Toolchain (without parser) took 1767.42ms. Allocated memory is still 183.5MB. Free memory was 129.5MB in the beginning and 88.7MB in the end (delta: 40.8MB). Peak memory consumption was 41.1MB. Max. memory is 8.0GB. [2022-01-31 16:52:33,154 INFO L158 Benchmark]: CDTParser took 0.77ms. Allocated memory is still 183.5MB. Free memory is still 146.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 16:52:33,154 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.74ms. Allocated memory is still 183.5MB. Free memory was 129.4MB in the beginning and 153.7MB in the end (delta: -24.3MB). Peak memory consumption was 12.8MB. Max. memory is 8.0GB. [2022-01-31 16:52:33,155 INFO L158 Benchmark]: Boogie Preprocessor took 53.72ms. Allocated memory is still 183.5MB. Free memory was 153.7MB in the beginning and 151.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-31 16:52:33,155 INFO L158 Benchmark]: RCFGBuilder took 400.76ms. Allocated memory is still 183.5MB. Free memory was 151.6MB in the beginning and 137.4MB in the end (delta: 14.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-01-31 16:52:33,156 INFO L158 Benchmark]: IcfgTransformer took 34.60ms. Allocated memory is still 183.5MB. Free memory was 137.4MB in the beginning and 135.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-31 16:52:33,156 INFO L158 Benchmark]: TraceAbstraction took 931.40ms. Allocated memory is still 183.5MB. Free memory was 135.3MB in the beginning and 88.7MB in the end (delta: 46.7MB). Peak memory consumption was 47.2MB. Max. memory is 8.0GB. [2022-01-31 16:52:33,158 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77ms. Allocated memory is still 183.5MB. Free memory is still 146.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 340.74ms. Allocated memory is still 183.5MB. Free memory was 129.4MB in the beginning and 153.7MB in the end (delta: -24.3MB). Peak memory consumption was 12.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 53.72ms. Allocated memory is still 183.5MB. Free memory was 153.7MB in the beginning and 151.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 400.76ms. Allocated memory is still 183.5MB. Free memory was 151.6MB in the beginning and 137.4MB in the end (delta: 14.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * IcfgTransformer took 34.60ms. Allocated memory is still 183.5MB. Free memory was 137.4MB in the beginning and 135.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * TraceAbstraction took 931.40ms. Allocated memory is still 183.5MB. Free memory was 135.3MB in the beginning and 88.7MB in the end (delta: 46.7MB). Peak memory consumption was 47.2MB. Max. memory is 8.0GB. * 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: 124]: 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 123, overapproximation of someUnaryDOUBLEoperation at line 21, overapproximation of bitwiseAnd at line 48, overapproximation of someUnaryFLOAToperation at line 119, overapproximation of someBinaryArithmeticFLOAToperation at line 52. Possible FailurePath: [L17-L36] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; VAL [\old(halF_exp)=1000000000000000000000000000006, \old(halF_exp)=1000000000000000000000000000014, \old(huge_exp)=1000000000000000000000000000009, \old(invln2_exp)=1000000000000000000000000000013, \old(ln2HI_exp)=1000000000000000000000000000016, \old(ln2HI_exp)=1000000000000000000000000000018, \old(ln2LO_exp)=1000000000000000000000000000004, \old(ln2LO_exp)=1000000000000000000000000000008, \old(one_exp)=1000000000000000000000000000007, \old(P1_exp)=1000000000000000000000000000003, \old(P2_exp)=1000000000000000000000000000012, \old(P3_exp)=1000000000000000000000000000019, \old(P4_exp)=1000000000000000000000000000001, \old(P5_exp)=1000000000000000000000000000015, \old(twom100_exp)=1000000000000000000000000000002, halF_exp={4:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={5:0}, ln2LO_exp={6:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L119] float x = -0.0f; VAL [halF_exp={4:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={5:0}, ln2LO_exp={6:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L120] CALL, EXPR __ieee754_expf(x) VAL [\old(x)=1000000000000000000000000000011, halF_exp={4:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={5:0}, ln2LO_exp={6:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L39] float y, hi, lo, c, t; [L40] __int32_t k = 0, xsb, sx; [L41] __uint32_t hx; VAL [\old(x)=1000000000000000000000000000011, halF_exp={4:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={5:0}, ln2LO_exp={6:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=1000000000000000000000000000011] [L44] ieee_float_shape_type gf_u; [L45] gf_u.value = (x) [L46] EXPR gf_u.word [L46] (sx) = gf_u.word [L48] xsb = (sx >> 31) & 1 [L49] hx = sx & 0x7fffffff VAL [\old(x)=1000000000000000000000000000011, halF_exp={4:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={5:0}, ln2LO_exp={6:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, sx=-1, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=1000000000000000000000000000011] [L51] COND TRUE ((hx) > 0x7f800000L) [L52] return x + x; VAL [\old(x)=1000000000000000000000000000011, halF_exp={4:0}, huge_exp=1000000000000000000000000000000, hx=2139095041, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={5:0}, ln2LO_exp={6:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, sx=-1, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=1000000000000000000000000000011] [L120] RET, EXPR __ieee754_expf(x) VAL [__ieee754_expf(x)=1000000000000000000000000000010, halF_exp={4:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={5:0}, ln2LO_exp={6:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=1000000000000000000000000000011] [L120] float res = __ieee754_expf(x); [L123] COND TRUE res != 1.0f VAL [halF_exp={4:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={5:0}, ln2LO_exp={6:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, res=1000000000000000000000000000010, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=1000000000000000000000000000011] [L124] reach_error() VAL [halF_exp={4:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={5:0}, ln2LO_exp={6:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, res=1000000000000000000000000000010, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=1000000000000000000000000000011] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 45 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, 48 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 48 mSDsluCounter, 53 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 55 IncrementalHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 51 mSDtfsCounter, 55 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=45occurred 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, 0.2s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 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 16:52:33,189 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...