/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0684b.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 00:05:16,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 00:05:16,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 00:05:16,112 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 00:05:16,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 00:05:16,115 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 00:05:16,117 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 00:05:16,120 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 00:05:16,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 00:05:16,125 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 00:05:16,126 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 00:05:16,127 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 00:05:16,128 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 00:05:16,129 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 00:05:16,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 00:05:16,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 00:05:16,130 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 00:05:16,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 00:05:16,132 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 00:05:16,134 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 00:05:16,135 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 00:05:16,135 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 00:05:16,136 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 00:05:16,136 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 00:05:16,138 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-03-31 00:05:16,140 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 00:05:16,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 00:05:16,140 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 00:05:16,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 00:05:16,141 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 00:05:16,141 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 00:05:16,142 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 00:05:16,142 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 00:05:16,142 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 00:05:16,143 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 00:05:16,143 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 00:05:16,147 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-03-31 00:05:16,168 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 00:05:16,168 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 00:05:16,168 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 00:05:16,168 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 00:05:16,169 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 00:05:16,169 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 00:05:16,169 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 00:05:16,169 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 00:05:16,169 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 00:05:16,169 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 00:05:16,170 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 00:05:16,170 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 00:05:16,170 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 00:05:16,170 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 00:05:16,170 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 00:05:16,170 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 00:05:16,170 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 00:05:16,170 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 00:05:16,170 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 00:05:16,170 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 00:05:16,170 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 00:05:16,170 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 00:05:16,171 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 00:05:16,171 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 00:05:16,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 00:05:16,171 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 00:05:16,171 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 00:05:16,171 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 00:05:16,171 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 00:05:16,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 00:05:16,171 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 00:05:16,171 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 00:05:16,171 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 00:05:16,171 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 00:05:16,172 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 00:05:16,172 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 00:05:16,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 00:05:16,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 00:05:16,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 00:05:16,362 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 00:05:16,363 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 00:05:16,364 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0684b.c [2023-03-31 00:05:17,412 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 00:05:17,572 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 00:05:17,573 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0684b.c [2023-03-31 00:05:17,591 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2383a9774/0aeb218175454eadbc7b0da2f0c089ca/FLAGc59e126a5 [2023-03-31 00:05:17,602 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2383a9774/0aeb218175454eadbc7b0da2f0c089ca [2023-03-31 00:05:17,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 00:05:17,605 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 00:05:17,605 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 00:05:17,605 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 00:05:17,608 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 00:05:17,609 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 12:05:17" (1/1) ... [2023-03-31 00:05:17,609 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bbf2e19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:05:17, skipping insertion in model container [2023-03-31 00:05:17,609 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 12:05:17" (1/1) ... [2023-03-31 00:05:17,614 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 00:05:17,641 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 00:05:17,760 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0684b.c[5556,5569] [2023-03-31 00:05:17,763 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 00:05:17,771 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 00:05:17,810 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0684b.c[5556,5569] [2023-03-31 00:05:17,811 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 00:05:17,823 INFO L208 MainTranslator]: Completed translation [2023-03-31 00:05:17,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:05:17 WrapperNode [2023-03-31 00:05:17,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 00:05:17,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 00:05:17,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 00:05:17,824 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 00:05:17,849 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:05:17" (1/1) ... [2023-03-31 00:05:17,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:05:17" (1/1) ... [2023-03-31 00:05:17,857 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:05:17" (1/1) ... [2023-03-31 00:05:17,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:05:17" (1/1) ... [2023-03-31 00:05:17,870 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:05:17" (1/1) ... [2023-03-31 00:05:17,874 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:05:17" (1/1) ... [2023-03-31 00:05:17,876 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:05:17" (1/1) ... [2023-03-31 00:05:17,877 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:05:17" (1/1) ... [2023-03-31 00:05:17,880 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 00:05:17,881 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 00:05:17,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 00:05:17,881 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 00:05:17,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:05:17" (1/1) ... [2023-03-31 00:05:17,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 00:05:17,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:05:17,936 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) [2023-03-31 00:05:17,942 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 [2023-03-31 00:05:17,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 00:05:17,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 00:05:17,997 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 00:05:17,997 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2023-03-31 00:05:17,997 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2023-03-31 00:05:17,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_atan2f [2023-03-31 00:05:17,997 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_float [2023-03-31 00:05:17,997 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 00:05:17,998 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 00:05:17,998 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 00:05:17,998 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 00:05:17,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 00:05:17,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2023-03-31 00:05:17,998 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2023-03-31 00:05:17,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-31 00:05:17,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-03-31 00:05:17,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 00:05:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 00:05:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 00:05:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-03-31 00:05:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2023-03-31 00:05:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_atan2f [2023-03-31 00:05:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_float [2023-03-31 00:05:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 00:05:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 00:05:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 00:05:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-03-31 00:05:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 00:05:18,117 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 00:05:18,118 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 00:05:18,438 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 00:05:18,443 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 00:05:18,443 INFO L302 CfgBuilder]: Removed 16 assume(true) statements. [2023-03-31 00:05:18,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 12:05:18 BoogieIcfgContainer [2023-03-31 00:05:18,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 00:05:18,446 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 00:05:18,446 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 00:05:18,449 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 00:05:18,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 12:05:17" (1/3) ... [2023-03-31 00:05:18,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a3fd028 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 12:05:18, skipping insertion in model container [2023-03-31 00:05:18,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:05:17" (2/3) ... [2023-03-31 00:05:18,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a3fd028 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 12:05:18, skipping insertion in model container [2023-03-31 00:05:18,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 12:05:18" (3/3) ... [2023-03-31 00:05:18,451 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0684b.c [2023-03-31 00:05:18,463 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 00:05:18,463 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 00:05:18,498 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 00:05:18,502 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@52a775b3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 00:05:18,502 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 00:05:18,518 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 92 states have (on average 1.6304347826086956) internal successors, (150), 93 states have internal predecessors, (150), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-03-31 00:05:18,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-03-31 00:05:18,524 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:05:18,525 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:05:18,525 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:05:18,529 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:05:18,529 INFO L85 PathProgramCache]: Analyzing trace with hash 27035196, now seen corresponding path program 1 times [2023-03-31 00:05:18,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:05:18,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995686651] [2023-03-31 00:05:18,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:05:18,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:05:18,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:05:18,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:05:18,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:05:18,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:05:18,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:05:18,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-03-31 00:05:18,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:05:18,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 00:05:18,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:05:18,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995686651] [2023-03-31 00:05:18,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995686651] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:05:18,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:05:18,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-03-31 00:05:18,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953975407] [2023-03-31 00:05:18,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:05:18,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-03-31 00:05:18,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:05:18,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-03-31 00:05:18,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-03-31 00:05:18,812 INFO L87 Difference]: Start difference. First operand has 108 states, 92 states have (on average 1.6304347826086956) internal successors, (150), 93 states have internal predecessors, (150), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-03-31 00:05:19,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:05:19,265 INFO L93 Difference]: Finished difference Result 208 states and 329 transitions. [2023-03-31 00:05:19,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-31 00:05:19,267 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 26 [2023-03-31 00:05:19,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:05:19,274 INFO L225 Difference]: With dead ends: 208 [2023-03-31 00:05:19,275 INFO L226 Difference]: Without dead ends: 103 [2023-03-31 00:05:19,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-03-31 00:05:19,290 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 142 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-31 00:05:19,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 7 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-31 00:05:19,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2023-03-31 00:05:19,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2023-03-31 00:05:19,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 89 states have (on average 1.4382022471910112) internal successors, (128), 89 states have internal predecessors, (128), 8 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-03-31 00:05:19,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 143 transitions. [2023-03-31 00:05:19,342 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 143 transitions. Word has length 26 [2023-03-31 00:05:19,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:05:19,343 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 143 transitions. [2023-03-31 00:05:19,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-03-31 00:05:19,343 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 143 transitions. [2023-03-31 00:05:19,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-03-31 00:05:19,345 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:05:19,346 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:05:19,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 00:05:19,346 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:05:19,352 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:05:19,353 INFO L85 PathProgramCache]: Analyzing trace with hash -8671829, now seen corresponding path program 1 times [2023-03-31 00:05:19,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:05:19,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017665152] [2023-03-31 00:05:19,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:05:19,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:05:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-03-31 00:05:19,466 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-03-31 00:05:19,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-03-31 00:05:19,535 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-03-31 00:05:19,535 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-03-31 00:05:19,536 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-31 00:05:19,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 00:05:19,540 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-03-31 00:05:19,544 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-31 00:05:19,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.03 12:05:19 BoogieIcfgContainer [2023-03-31 00:05:19,585 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-31 00:05:19,586 INFO L158 Benchmark]: Toolchain (without parser) took 1981.04ms. Allocated memory is still 300.9MB. Free memory was 250.4MB in the beginning and 107.8MB in the end (delta: 142.6MB). Peak memory consumption was 142.6MB. Max. memory is 8.0GB. [2023-03-31 00:05:19,586 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 191.9MB. Free memory is still 138.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 00:05:19,586 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.12ms. Allocated memory is still 300.9MB. Free memory was 250.4MB in the beginning and 236.8MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-03-31 00:05:19,587 INFO L158 Benchmark]: Boogie Preprocessor took 56.15ms. Allocated memory is still 300.9MB. Free memory was 236.8MB in the beginning and 233.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-03-31 00:05:19,587 INFO L158 Benchmark]: RCFGBuilder took 564.32ms. Allocated memory is still 300.9MB. Free memory was 233.6MB in the beginning and 206.4MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2023-03-31 00:05:19,587 INFO L158 Benchmark]: TraceAbstraction took 1138.83ms. Allocated memory is still 300.9MB. Free memory was 205.8MB in the beginning and 107.8MB in the end (delta: 98.0MB). Peak memory consumption was 98.6MB. Max. memory is 8.0GB. [2023-03-31 00:05:19,589 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 191.9MB. Free memory is still 138.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 218.12ms. Allocated memory is still 300.9MB. Free memory was 250.4MB in the beginning and 236.8MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 56.15ms. Allocated memory is still 300.9MB. Free memory was 236.8MB in the beginning and 233.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 564.32ms. Allocated memory is still 300.9MB. Free memory was 233.6MB in the beginning and 206.4MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * TraceAbstraction took 1138.83ms. Allocated memory is still 300.9MB. Free memory was 205.8MB in the beginning and 107.8MB in the end (delta: 98.0MB). Peak memory consumption was 98.6MB. 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: 245]: 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 244, overapproximation of someUnaryDOUBLEoperation at line 44, 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)={1000000000000000000000000000019:1000000000000000000000000000016}, \old(atanhi_atan)={1000000000000000000000000000018:1000000000000000000000000000012}, \old(atanlo_atan)={1000000000000000000000000000014:1000000000000000000000000000015}, \old(huge_atan)=1000000000000000000000000000011, \old(one_atan)=1000000000000000000000000000002, \old(pi)=1000000000000000000000000000007, \old(pi_lo_atan2)=1000000000000000000000000000008, \old(pi_o_2)=1000000000000000000000000000004, \old(pi_o_4)=1000000000000000000000000000006, \old(tiny_atan2)=1000000000000000000000000000003, \old(zero_atan2)=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] [L236] float x = __VERIFIER_nondet_float(); [L237] float y = -1.0f / 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=1000000000000000000000000000010, zero_atan2=0] [L239] CALL isfinite_float(x) VAL [\old(x)=1000000000000000000000000000010, 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] [L219] __int32_t ix; VAL [\old(x)=1000000000000000000000000000010, 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=1000000000000000000000000000010, zero_atan2=0] [L221] ieee_float_shape_type gf_u; [L222] gf_u.value = (x) [L223] EXPR gf_u.word [L223] (ix) = gf_u.word [L225] ix &= 0x7fffffff [L226] return (((ix) < 0x7f800000L)); VAL [\old(x)=1000000000000000000000000000010, \result=1, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, ix=2139095039, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000010, zero_atan2=0] [L239] RET isfinite_float(x) VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, isfinite_float(x)=1, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000010, zero_atan2=0] [L239] COND TRUE isfinite_float(x) [L241] CALL, EXPR __ieee754_atan2f(y, x) VAL [\old(x)=1000000000000000000000000000010, \old(y)=1000000000000000000000000000005, 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)=1000000000000000000000000000010, \old(y)=1000000000000000000000000000005, 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=1000000000000000000000000000010, y=1000000000000000000000000000005, 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)=1000000000000000000000000000010, \old(y)=1000000000000000000000000000005, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=-8388606, ix=2139095042, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000010, y=1000000000000000000000000000005, 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)=1000000000000000000000000000010, \old(y)=1000000000000000000000000000005, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=-8388606, hy=-8388607, ix=2139095042, iy=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000010, y=1000000000000000000000000000005, zero_atan2=0] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [\old(x)=1000000000000000000000000000010, \old(y)=1000000000000000000000000000005, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=-8388606, hy=-8388607, ix=2139095042, iy=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000010, y=1000000000000000000000000000005, zero_atan2=0] [L241] 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=1000000000000000000000000000010, y=1000000000000000000000000000005, zero_atan2=0] [L241] float res = __ieee754_atan2f(y, x); [L244] COND TRUE res != -pi_o_2 VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=1000000000000000000000000000001, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000010, y=1000000000000000000000000000005, zero_atan2=0] [L245] 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=1000000000000000000000000000010, y=1000000000000000000000000000005, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 111 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 147 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 142 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 281 IncrementalHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 5 mSDtfsCounter, 281 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred 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, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 97 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 [2023-03-31 00:05:19,623 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...