/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_0530b.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 00:46:56,476 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 00:46:56,477 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 00:46:56,500 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-04-02 00:46:56,519 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 00:46:56,523 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 00:46:56,525 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 00:46:56,526 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 00:46:56,526 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 00:46:56,527 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 00:46:56,529 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 00:46:56,533 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 00:46:56,533 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 00:46:56,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 00:46:56,536 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 00:46:56,537 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 00:46:56,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-04-02 00:46:56,540 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 00:46:56,541 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 00:46:56,541 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 00:46:56,542 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 00:46:56,542 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 00:46:56,542 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 00:46:56,543 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 00:46:56,543 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 00:46:56,543 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 00:46:56,544 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 00:46:56,544 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 00:46:56,547 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 [2023-04-02 00:46:56,579 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 00:46:56,580 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 00:46:56,580 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 00:46:56,580 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 00:46:56,581 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 00:46:56,581 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 00:46:56,582 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 00:46:56,582 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 00:46:56,582 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 00:46:56,582 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 00:46:56,583 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 00:46:56,583 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 00:46:56,583 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 00:46:56,583 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 00:46:56,583 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 00:46:56,583 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 00:46:56,583 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 00:46:56,583 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 00:46:56,584 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 00:46:56,584 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 00:46:56,584 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 00:46:56,584 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 00:46:56,584 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 00:46:56,584 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 00:46:56,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 00:46:56,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 00:46:56,584 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 00:46:56,585 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 00:46:56,585 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 00:46:56,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 00:46:56,585 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 00:46:56,585 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 00:46:56,586 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 00:46:56,586 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 00:46:56,586 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 00:46:56,586 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 00:46:56,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 00:46:56,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 00:46:56,811 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 00:46:56,812 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 00:46:56,813 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 00:46:56,813 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0530b.c [2023-04-02 00:46:57,885 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 00:46:58,053 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 00:46:58,053 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0530b.c [2023-04-02 00:46:58,060 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c5f60036/c5f27eb60811440c9a657e6019405088/FLAGbe86f280b [2023-04-02 00:46:58,074 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c5f60036/c5f27eb60811440c9a657e6019405088 [2023-04-02 00:46:58,076 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 00:46:58,077 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 00:46:58,078 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 00:46:58,078 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 00:46:58,080 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 00:46:58,081 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 12:46:58" (1/1) ... [2023-04-02 00:46:58,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22c6cd50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:46:58, skipping insertion in model container [2023-04-02 00:46:58,081 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 12:46:58" (1/1) ... [2023-04-02 00:46:58,087 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 00:46:58,123 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 00:46:58,324 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_0530b.c[15592,15605] [2023-04-02 00:46:58,327 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 00:46:58,348 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 00:46:58,480 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_0530b.c[15592,15605] [2023-04-02 00:46:58,481 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 00:46:58,550 INFO L208 MainTranslator]: Completed translation [2023-04-02 00:46:58,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:46:58 WrapperNode [2023-04-02 00:46:58,551 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 00:46:58,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 00:46:58,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 00:46:58,556 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 00:46:58,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:46:58" (1/1) ... [2023-04-02 00:46:58,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:46:58" (1/1) ... [2023-04-02 00:46:58,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:46:58" (1/1) ... [2023-04-02 00:46:58,628 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:46:58" (1/1) ... [2023-04-02 00:46:58,709 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:46:58" (1/1) ... [2023-04-02 00:46:58,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:46:58" (1/1) ... [2023-04-02 00:46:58,750 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:46:58" (1/1) ... [2023-04-02 00:46:58,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:46:58" (1/1) ... [2023-04-02 00:46:58,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 00:46:58,797 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 00:46:58,797 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 00:46:58,797 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 00:46:58,798 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:46:58" (1/1) ... [2023-04-02 00:46:58,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 00:46:58,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 00:46:58,866 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) [2023-04-02 00:46:58,897 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 [2023-04-02 00:46:58,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 00:46:58,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 00:46:58,951 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 00:46:58,951 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2023-04-02 00:46:58,951 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2023-04-02 00:46:58,951 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2023-04-02 00:46:58,951 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2023-04-02 00:46:58,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2f [2023-04-02 00:46:58,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2f [2023-04-02 00:46:58,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tanf [2023-04-02 00:46:58,951 INFO L138 BoogieDeclarations]: Found implementation of procedure tan_float [2023-04-02 00:46:58,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2023-04-02 00:46:58,951 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 00:46:58,951 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 00:46:58,951 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 00:46:58,952 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 00:46:58,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 00:46:58,952 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2023-04-02 00:46:58,952 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2023-04-02 00:46:58,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-02 00:46:58,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-04-02 00:46:58,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 00:46:58,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 00:46:58,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 00:46:58,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-04-02 00:46:58,952 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2023-04-02 00:46:58,952 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2023-04-02 00:46:58,952 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2023-04-02 00:46:58,952 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2f [2023-04-02 00:46:58,952 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2f [2023-04-02 00:46:58,952 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tanf [2023-04-02 00:46:58,953 INFO L130 BoogieDeclarations]: Found specification of procedure tan_float [2023-04-02 00:46:58,953 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2023-04-02 00:46:58,953 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 00:46:58,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 00:46:58,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 00:46:58,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-04-02 00:46:58,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 00:46:59,099 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 00:46:59,101 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 00:46:59,726 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 00:46:59,731 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 00:46:59,732 INFO L302 CfgBuilder]: Removed 65 assume(true) statements. [2023-04-02 00:46:59,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 12:46:59 BoogieIcfgContainer [2023-04-02 00:46:59,733 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 00:46:59,736 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 00:46:59,736 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 00:46:59,738 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 00:46:59,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 12:46:58" (1/3) ... [2023-04-02 00:46:59,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e6fddd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 12:46:59, skipping insertion in model container [2023-04-02 00:46:59,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:46:58" (2/3) ... [2023-04-02 00:46:59,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e6fddd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 12:46:59, skipping insertion in model container [2023-04-02 00:46:59,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 12:46:59" (3/3) ... [2023-04-02 00:46:59,740 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0530b.c [2023-04-02 00:46:59,753 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 00:46:59,753 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 00:46:59,806 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 00:46:59,811 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;@5b1f92d6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 00:46:59,811 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 00:46:59,815 INFO L276 IsEmpty]: Start isEmpty. Operand has 303 states, 272 states have (on average 1.650735294117647) internal successors, (449), 273 states have internal predecessors, (449), 18 states have call successors, (18), 11 states have call predecessors, (18), 11 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-04-02 00:46:59,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-04-02 00:46:59,822 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 00:46:59,822 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 00:46:59,822 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 00:46:59,826 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 00:46:59,826 INFO L85 PathProgramCache]: Analyzing trace with hash 2025902707, now seen corresponding path program 1 times [2023-04-02 00:46:59,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 00:46:59,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702984715] [2023-04-02 00:46:59,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 00:46:59,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 00:47:00,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 00:47:00,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 00:47:00,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 00:47:00,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 00:47:00,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 00:47:00,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 00:47:00,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 00:47:00,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702984715] [2023-04-02 00:47:00,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702984715] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 00:47:00,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 00:47:00,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-02 00:47:00,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138888753] [2023-04-02 00:47:00,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 00:47:00,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-02 00:47:00,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 00:47:00,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-02 00:47:00,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-02 00:47:00,367 INFO L87 Difference]: Start difference. First operand has 303 states, 272 states have (on average 1.650735294117647) internal successors, (449), 273 states have internal predecessors, (449), 18 states have call successors, (18), 11 states have call predecessors, (18), 11 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 2 states have internal predecessors, (13), 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) [2023-04-02 00:47:01,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 00:47:01,641 INFO L93 Difference]: Finished difference Result 598 states and 977 transitions. [2023-04-02 00:47:01,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 00:47:01,643 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 2 states have internal predecessors, (13), 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 18 [2023-04-02 00:47:01,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 00:47:01,650 INFO L225 Difference]: With dead ends: 598 [2023-04-02 00:47:01,651 INFO L226 Difference]: Without dead ends: 299 [2023-04-02 00:47:01,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-02 00:47:01,657 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 404 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 809 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-04-02 00:47:01,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 7 Invalid, 829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 809 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-04-02 00:47:01,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2023-04-02 00:47:01,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2023-04-02 00:47:01,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 270 states have (on average 1.4074074074074074) internal successors, (380), 270 states have internal predecessors, (380), 18 states have call successors, (18), 11 states have call predecessors, (18), 10 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-04-02 00:47:01,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 415 transitions. [2023-04-02 00:47:01,739 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 415 transitions. Word has length 18 [2023-04-02 00:47:01,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 00:47:01,739 INFO L495 AbstractCegarLoop]: Abstraction has 299 states and 415 transitions. [2023-04-02 00:47:01,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 2 states have internal predecessors, (13), 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) [2023-04-02 00:47:01,739 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 415 transitions. [2023-04-02 00:47:01,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-04-02 00:47:01,740 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 00:47:01,740 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 00:47:01,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 00:47:01,740 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 00:47:01,741 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 00:47:01,741 INFO L85 PathProgramCache]: Analyzing trace with hash -276874076, now seen corresponding path program 1 times [2023-04-02 00:47:01,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 00:47:01,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028872547] [2023-04-02 00:47:01,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 00:47:01,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 00:47:01,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-04-02 00:47:01,798 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-04-02 00:47:01,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-04-02 00:47:01,890 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-04-02 00:47:01,890 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-04-02 00:47:01,892 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-02 00:47:01,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 00:47:01,896 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-04-02 00:47:01,898 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-02 00:47:01,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.04 12:47:01 BoogieIcfgContainer [2023-04-02 00:47:01,946 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-02 00:47:01,949 INFO L158 Benchmark]: Toolchain (without parser) took 3872.10ms. Allocated memory was 170.9MB in the beginning and 290.5MB in the end (delta: 119.5MB). Free memory was 128.6MB in the beginning and 149.4MB in the end (delta: -20.8MB). Peak memory consumption was 99.5MB. Max. memory is 8.0GB. [2023-04-02 00:47:01,951 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 170.9MB. Free memory was 127.9MB in the beginning and 127.8MB in the end (delta: 78.5kB). There was no memory consumed. Max. memory is 8.0GB. [2023-04-02 00:47:01,952 INFO L158 Benchmark]: CACSL2BoogieTranslator took 473.24ms. Allocated memory is still 170.9MB. Free memory was 128.3MB in the beginning and 101.0MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2023-04-02 00:47:01,952 INFO L158 Benchmark]: Boogie Preprocessor took 241.03ms. Allocated memory is still 170.9MB. Free memory was 101.0MB in the beginning and 93.4MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2023-04-02 00:47:01,952 INFO L158 Benchmark]: RCFGBuilder took 936.25ms. Allocated memory is still 170.9MB. Free memory was 93.4MB in the beginning and 63.9MB in the end (delta: 29.4MB). Peak memory consumption was 32.4MB. Max. memory is 8.0GB. [2023-04-02 00:47:01,953 INFO L158 Benchmark]: TraceAbstraction took 2212.89ms. Allocated memory was 170.9MB in the beginning and 290.5MB in the end (delta: 119.5MB). Free memory was 63.4MB in the beginning and 149.4MB in the end (delta: -86.0MB). Peak memory consumption was 33.5MB. Max. memory is 8.0GB. [2023-04-02 00:47:01,954 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 170.9MB. Free memory was 127.9MB in the beginning and 127.8MB in the end (delta: 78.5kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 473.24ms. Allocated memory is still 170.9MB. Free memory was 128.3MB in the beginning and 101.0MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 241.03ms. Allocated memory is still 170.9MB. Free memory was 101.0MB in the beginning and 93.4MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * RCFGBuilder took 936.25ms. Allocated memory is still 170.9MB. Free memory was 93.4MB in the beginning and 63.9MB in the end (delta: 29.4MB). Peak memory consumption was 32.4MB. Max. memory is 8.0GB. * TraceAbstraction took 2212.89ms. Allocated memory was 170.9MB in the beginning and 290.5MB in the end (delta: 119.5MB). Free memory was 63.4MB in the beginning and 149.4MB in the end (delta: -86.0MB). Peak memory consumption was 33.5MB. 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: 629]: 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 628, overapproximation of someUnaryDOUBLEoperation at line 497, overapproximation of someUnaryFLOAToperation at line 624, overapproximation of someBinaryArithmeticFLOAToperation at line 596. Possible FailurePath: [L14] static const float huge_floor = 1.0e30; [L79-L81] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L149] static const int init_jk_krempio[] = {4, 7, 9}; [L151-L155] static const float PIo2_krempio[] = { 1.5703125000e+00, 4.5776367188e-04, 2.5987625122e-05, 7.5437128544e-08, 6.0026650317e-11, 7.3896444519e-13, 5.3845816694e-15, 5.6378512969e-18, 8.3009228831e-20, 3.2756352257e-22, 6.3331015649e-25, }; [L157-L159] static const float zero_krempio = 0.0, one_krempio = 1.0, two8_krempio = 2.5600000000e+02, twon8_krempio = 3.9062500000e-03; [L334-L352] static const __int32_t two_over_pi_rempio[] = { 0xA2, 0xF9, 0x83, 0x6E, 0x4E, 0x44, 0x15, 0x29, 0xFC, 0x27, 0x57, 0xD1, 0xF5, 0x34, 0xDD, 0xC0, 0xDB, 0x62, 0x95, 0x99, 0x3C, 0x43, 0x90, 0x41, 0xFE, 0x51, 0x63, 0xAB, 0xDE, 0xBB, 0xC5, 0x61, 0xB7, 0x24, 0x6E, 0x3A, 0x42, 0x4D, 0xD2, 0xE0, 0x06, 0x49, 0x2E, 0xEA, 0x09, 0xD1, 0x92, 0x1C, 0xFE, 0x1D, 0xEB, 0x1C, 0xB1, 0x29, 0xA7, 0x3E, 0xE8, 0x82, 0x35, 0xF5, 0x2E, 0xBB, 0x44, 0x84, 0xE9, 0x9C, 0x70, 0x26, 0xB4, 0x5F, 0x7E, 0x41, 0x39, 0x91, 0xD6, 0x39, 0x83, 0x53, 0x39, 0xF4, 0x9C, 0x84, 0x5F, 0x8B, 0xBD, 0xF9, 0x28, 0x3B, 0x1F, 0xF8, 0x97, 0xFF, 0xDE, 0x05, 0x98, 0x0F, 0xEF, 0x2F, 0x11, 0x8B, 0x5A, 0x0A, 0x6D, 0x1F, 0x6D, 0x36, 0x7E, 0xCF, 0x27, 0xCB, 0x09, 0xB7, 0x4F, 0x46, 0x3F, 0x66, 0x9E, 0x5F, 0xEA, 0x2D, 0x75, 0x27, 0xBA, 0xC7, 0xEB, 0xE5, 0xF1, 0x7B, 0x3D, 0x07, 0x39, 0xF7, 0x8A, 0x52, 0x92, 0xEA, 0x6B, 0xFB, 0x5F, 0xB1, 0x1F, 0x8D, 0x5D, 0x08, 0x56, 0x03, 0x30, 0x46, 0xFC, 0x7B, 0x6B, 0xAB, 0xF0, 0xCF, 0xBC, 0x20, 0x9A, 0xF4, 0x36, 0x1D, 0xA9, 0xE3, 0x91, 0x61, 0x5E, 0xE6, 0x1B, 0x08, 0x65, 0x99, 0x85, 0x5F, 0x14, 0xA0, 0x68, 0x40, 0x8D, 0xFF, 0xD8, 0x80, 0x4D, 0x73, 0x27, 0x31, 0x06, 0x06, 0x15, 0x56, 0xCA, 0x73, 0xA8, 0xC9, 0x60, 0xE2, 0x7B, 0xC0, 0x8C, 0x6B, }; [L354-L360] static const __int32_t npio2_hw_rempio[] = { 0x3fc90f00, 0x40490f00, 0x4096cb00, 0x40c90f00, 0x40fb5300, 0x4116cb00, 0x412fed00, 0x41490f00, 0x41623100, 0x417b5300, 0x418a3a00, 0x4196cb00, 0x41a35c00, 0x41afed00, 0x41bc7e00, 0x41c90f00, 0x41d5a000, 0x41e23100, 0x41eec200, 0x41fb5300, 0x4203f200, 0x420a3a00, 0x42108300, 0x4216cb00, 0x421d1400, 0x42235c00, 0x4229a500, 0x422fed00, 0x42363600, 0x423c7e00, 0x4242c700, 0x42490f00}; [L362-L371] static const float zero_rempio = 0.0000000000e+00, half_rempio = 5.0000000000e-01, two8_rempio = 2.5600000000e+02, invpio2_rempio = 6.3661980629e-01, pio2_1_rempio = 1.5707855225e+00, pio2_1t_rempio = 1.0804334124e-05, pio2_2_rempio = 1.0804273188e-05, pio2_2t_rempio = 6.0770999344e-11, pio2_3_rempio = 6.0770943833e-11, pio2_3t_rempio = 6.1232342629e-17; [L491-L499] static const float one_ktan = 1.0000000000e+00, pio4_ktan = 7.8539812565e-01, pio4lo_ktan = 3.7748947079e-08, T_ktan[] = { 3.3333334327e-01, 1.3333334029e-01, 5.3968254477e-02, 2.1869488060e-02, 8.8632395491e-03, 3.5920790397e-03, 1.4562094584e-03, 5.8804126456e-04, 2.4646313977e-04, 7.8179444245e-05, 7.1407252108e-05, -1.8558637748e-05, 2.5907305826e-05, }; VAL [PIo2_krempio={5:0}, T_ktan={8:0}, \old(PIo2_krempio)={1000000000000000000000000000027:1000000000000000000000000000030}, \old(T_ktan)={1000000000000000000000000000028:1000000000000000000000000000034}, \old(half_rempio)=1000000000000000000000000000002, \old(huge_floor)=1000000000000000000000000000006, \old(huge_scalbn)=1000000000000000000000000000010, \old(init_jk_krempio)={1000000000000000000000000000033:1000000000000000000000000000025}, \old(invpio2_rempio)=1000000000000000000000000000008, \old(npio2_hw_rempio)={1000000000000000000000000000031:1000000000000000000000000000029}, \old(one_krempio)=1000000000000000000000000000012, \old(one_ktan)=1000000000000000000000000000003, \old(pio2_1_rempio)=1000000000000000000000000000021, \old(pio2_1t_rempio)=1000000000000000000000000000023, \old(pio2_2_rempio)=1000000000000000000000000000019, \old(pio2_2t_rempio)=1000000000000000000000000000001, \old(pio2_3_rempio)=1000000000000000000000000000007, \old(pio2_3t_rempio)=1000000000000000000000000000013, \old(pio4_ktan)=1000000000000000000000000000015, \old(pio4lo_ktan)=1000000000000000000000000000011, \old(tiny_scalbn)=1000000000000000000000000000018, \old(two25_scalbn)=1000000000000000000000000000024, \old(two8_krempio)=1000000000000000000000000000014, \old(two8_rempio)=1000000000000000000000000000004, \old(two_over_pi_rempio)={1000000000000000000000000000035:1000000000000000000000000000036}, \old(twom25_scalbn)=1000000000000000000000000000020, \old(twon8_krempio)=1000000000000000000000000000009, \old(zero_krempio)=1000000000000000000000000000022, \old(zero_rempio)=1000000000000000000000000000016, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, zero_krempio=0, zero_rempio=0] [L624] float x = -0.0f; VAL [PIo2_krempio={5:0}, T_ktan={8:0}, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, zero_krempio=0, zero_rempio=0] [L625] CALL, EXPR tan_float(x) VAL [PIo2_krempio={5:0}, T_ktan={8:0}, \old(x)=1000000000000000000000000000017, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, zero_krempio=0, zero_rempio=0] [L582] float y[2], z = 0.0; [L583] __int32_t n, ix; VAL [PIo2_krempio={5:0}, T_ktan={8:0}, \old(x)=1000000000000000000000000000017, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000017, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L586] ieee_float_shape_type gf_u; [L587] gf_u.value = (x) [L588] EXPR gf_u.word [L588] (ix) = gf_u.word [L591] ix &= 0x7fffffff VAL [PIo2_krempio={5:0}, T_ktan={8:0}, \old(x)=1000000000000000000000000000017, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000017, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L592] COND FALSE !(ix <= 0x3f490fda) VAL [PIo2_krempio={5:0}, T_ktan={8:0}, \old(x)=1000000000000000000000000000017, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000017, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L595] COND TRUE !((ix) < 0x7f800000L) [L596] return x - x; [L596] return x - x; VAL [PIo2_krempio={5:0}, T_ktan={8:0}, \old(x)=1000000000000000000000000000017, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000017, z=0, zero_krempio=0, zero_rempio=0] [L625] RET, EXPR tan_float(x) VAL [PIo2_krempio={5:0}, T_ktan={8:0}, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, tan_float(x)=1000000000000000000000000000005, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000017, zero_krempio=0, zero_rempio=0] [L625] float res = tan_float(x); [L628] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [PIo2_krempio={5:0}, T_ktan={8:0}, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, res == -0.0f && __signbit_float(res) == 1=0, res=1000000000000000000000000000005, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000017, zero_krempio=0, zero_rempio=0] [L628] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L629] reach_error() VAL [PIo2_krempio={5:0}, T_ktan={8:0}, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, res=1000000000000000000000000000005, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000017, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 306 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 419 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 404 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 809 IncrementalHoareTripleChecker+Invalid, 829 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 5 mSDtfsCounter, 809 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, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=303occurred 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: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 131 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 [2023-04-02 00:47:01,971 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...