/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_0550a.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 00:46:57,320 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 00:46:57,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 00:46:57,354 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 00:46:57,354 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 00:46:57,356 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 00:46:57,358 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 00:46:57,360 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 00:46:57,361 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 00:46:57,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 00:46:57,366 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 00:46:57,367 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 00:46:57,367 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 00:46:57,369 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 00:46:57,370 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 00:46:57,371 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 00:46:57,371 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 00:46:57,372 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 00:46:57,373 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 00:46:57,377 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 00:46:57,378 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 00:46:57,378 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 00:46:57,379 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 00:46:57,380 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 00:46:57,382 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-04-02 00:46:57,386 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 00:46:57,387 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 00:46:57,387 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 00:46:57,388 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 00:46:57,413 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 00:46:57,413 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 00:46:57,414 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 00:46:57,414 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 00:46:57,415 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 00:46:57,415 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 00:46:57,415 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 00:46:57,415 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 00:46:57,415 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 00:46:57,415 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 00:46:57,416 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 00:46:57,416 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 00:46:57,416 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 00:46:57,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 00:46:57,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 00:46:57,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 00:46:57,416 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 00:46:57,416 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 00:46:57,417 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 00:46:57,417 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 00:46:57,417 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 00:46:57,417 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 00:46:57,417 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 00:46:57,417 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 00:46:57,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 00:46:57,417 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 00:46:57,417 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 00:46:57,418 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 00:46:57,418 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 00:46:57,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 00:46:57,418 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 00:46:57,418 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 00:46:57,418 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 00:46:57,418 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 00:46:57,418 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 00:46:57,418 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 00:46:57,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 00:46:57,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 00:46:57,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 00:46:57,610 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 00:46:57,610 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 00:46:57,611 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0550a.c [2023-04-02 00:46:58,564 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 00:46:58,772 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 00:46:58,773 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0550a.c [2023-04-02 00:46:58,779 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f94654c60/0b46d7d1148640a7a6e55282eef2b0a6/FLAG74b52b94a [2023-04-02 00:46:58,791 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f94654c60/0b46d7d1148640a7a6e55282eef2b0a6 [2023-04-02 00:46:58,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 00:46:58,794 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 00:46:58,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 00:46:58,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 00:46:58,799 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 00:46:58,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 12:46:58" (1/1) ... [2023-04-02 00:46:58,800 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2520b0c3 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 00:46:58,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 12:46:58" (1/1) ... [2023-04-02 00:46:58,806 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 00:46:58,840 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 00:46:59,025 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_0550a.c[15665,15678] [2023-04-02 00:46:59,028 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 00:46:59,061 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 00:46:59,136 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_0550a.c[15665,15678] [2023-04-02 00:46:59,136 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 00:46:59,165 INFO L208 MainTranslator]: Completed translation [2023-04-02 00:46:59,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:46:59 WrapperNode [2023-04-02 00:46:59,166 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 00:46:59,166 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 00:46:59,167 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 00:46:59,167 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 00:46:59,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:46:59" (1/1) ... [2023-04-02 00:46:59,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:46:59" (1/1) ... [2023-04-02 00:46:59,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:46:59" (1/1) ... [2023-04-02 00:46:59,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:46:59" (1/1) ... [2023-04-02 00:46:59,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:46:59" (1/1) ... [2023-04-02 00:46:59,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:46:59" (1/1) ... [2023-04-02 00:46:59,262 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:46:59" (1/1) ... [2023-04-02 00:46:59,265 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:46:59" (1/1) ... [2023-04-02 00:46:59,272 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 00:46:59,273 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 00:46:59,273 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 00:46:59,273 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 00:46:59,273 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:46:59" (1/1) ... [2023-04-02 00:46:59,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 00:46:59,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 00:46:59,394 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 00:46:59,396 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 00:46:59,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 00:46:59,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 00:46:59,426 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 00:46:59,426 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2023-04-02 00:46:59,426 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2023-04-02 00:46:59,426 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2023-04-02 00:46:59,426 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2023-04-02 00:46:59,426 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2023-04-02 00:46:59,426 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2023-04-02 00:46:59,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2f [2023-04-02 00:46:59,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2f [2023-04-02 00:46:59,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tanf [2023-04-02 00:46:59,427 INFO L138 BoogieDeclarations]: Found implementation of procedure tan_float [2023-04-02 00:46:59,427 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 00:46:59,427 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 00:46:59,427 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 00:46:59,427 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 00:46:59,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 00:46:59,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2023-04-02 00:46:59,427 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2023-04-02 00:46:59,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-02 00:46:59,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-04-02 00:46:59,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 00:46:59,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 00:46:59,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 00:46:59,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-04-02 00:46:59,428 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2023-04-02 00:46:59,428 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2023-04-02 00:46:59,428 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2023-04-02 00:46:59,428 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2023-04-02 00:46:59,428 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2023-04-02 00:46:59,428 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2f [2023-04-02 00:46:59,428 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2f [2023-04-02 00:46:59,428 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tanf [2023-04-02 00:46:59,428 INFO L130 BoogieDeclarations]: Found specification of procedure tan_float [2023-04-02 00:46:59,429 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 00:46:59,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 00:46:59,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 00:46:59,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-04-02 00:46:59,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 00:46:59,579 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 00:46:59,581 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 00:47:00,344 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 00:47:00,359 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 00:47:00,359 INFO L302 CfgBuilder]: Removed 65 assume(true) statements. [2023-04-02 00:47:00,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 12:47:00 BoogieIcfgContainer [2023-04-02 00:47:00,362 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 00:47:00,364 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 00:47:00,364 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 00:47:00,366 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 00:47:00,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 12:46:58" (1/3) ... [2023-04-02 00:47:00,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ad24529 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 12:47:00, skipping insertion in model container [2023-04-02 00:47:00,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 12:46:59" (2/3) ... [2023-04-02 00:47:00,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ad24529 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 12:47:00, skipping insertion in model container [2023-04-02 00:47:00,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 12:47:00" (3/3) ... [2023-04-02 00:47:00,368 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0550a.c [2023-04-02 00:47:00,380 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 00:47:00,380 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 00:47:00,429 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 00:47:00,433 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;@14bad3cb, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 00:47:00,433 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 00:47:00,437 INFO L276 IsEmpty]: Start isEmpty. Operand has 299 states, 268 states have (on average 1.6492537313432836) internal successors, (442), 269 states have internal predecessors, (442), 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 00:47:00,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-04-02 00:47:00,444 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 00:47:00,444 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] [2023-04-02 00:47:00,444 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 00:47:00,448 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 00:47:00,448 INFO L85 PathProgramCache]: Analyzing trace with hash -975309710, now seen corresponding path program 1 times [2023-04-02 00:47:00,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 00:47:00,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042365111] [2023-04-02 00:47:00,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 00:47:00,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 00:47:00,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 00:47:00,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 00:47:00,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 00:47:00,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 00:47:00,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 00:47:00,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 00:47:00,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 00:47:00,887 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 00:47:00,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 00:47:00,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042365111] [2023-04-02 00:47:00,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042365111] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 00:47:00,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 00:47:00,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-02 00:47:00,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361421344] [2023-04-02 00:47:00,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 00:47:00,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-02 00:47:00,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 00:47:00,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-02 00:47:00,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-02 00:47:00,923 INFO L87 Difference]: Start difference. First operand has 299 states, 268 states have (on average 1.6492537313432836) internal successors, (442), 269 states have internal predecessors, (442), 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 3.75) internal successors, (15), 2 states have internal predecessors, (15), 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) [2023-04-02 00:47:02,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 00:47:02,093 INFO L93 Difference]: Finished difference Result 590 states and 962 transitions. [2023-04-02 00:47:02,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 00:47:02,094 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 2 states have internal predecessors, (15), 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 22 [2023-04-02 00:47:02,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 00:47:02,108 INFO L225 Difference]: With dead ends: 590 [2023-04-02 00:47:02,108 INFO L226 Difference]: Without dead ends: 295 [2023-04-02 00:47:02,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 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 00:47:02,119 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 400 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 798 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 415 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 798 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-02 00:47:02,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [415 Valid, 7 Invalid, 818 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 798 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-02 00:47:02,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2023-04-02 00:47:02,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2023-04-02 00:47:02,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 266 states have (on average 1.4097744360902256) internal successors, (375), 266 states have internal predecessors, (375), 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 00:47:02,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 410 transitions. [2023-04-02 00:47:02,260 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 410 transitions. Word has length 22 [2023-04-02 00:47:02,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 00:47:02,261 INFO L495 AbstractCegarLoop]: Abstraction has 295 states and 410 transitions. [2023-04-02 00:47:02,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 2 states have internal predecessors, (15), 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) [2023-04-02 00:47:02,262 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 410 transitions. [2023-04-02 00:47:02,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-04-02 00:47:02,263 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 00:47:02,263 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] [2023-04-02 00:47:02,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 00:47:02,264 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 00:47:02,266 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 00:47:02,266 INFO L85 PathProgramCache]: Analyzing trace with hash 2084432215, now seen corresponding path program 1 times [2023-04-02 00:47:02,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 00:47:02,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326240243] [2023-04-02 00:47:02,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 00:47:02,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 00:47:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-04-02 00:47:02,341 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-04-02 00:47:02,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-04-02 00:47:02,417 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-04-02 00:47:02,418 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-04-02 00:47:02,419 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-02 00:47:02,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 00:47:02,424 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-04-02 00:47:02,430 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-02 00:47:02,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.04 12:47:02 BoogieIcfgContainer [2023-04-02 00:47:02,458 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-02 00:47:02,458 INFO L158 Benchmark]: Toolchain (without parser) took 3663.98ms. Allocated memory is still 363.9MB. Free memory was 306.1MB in the beginning and 253.8MB in the end (delta: 52.2MB). Peak memory consumption was 53.8MB. Max. memory is 8.0GB. [2023-04-02 00:47:02,459 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 217.1MB. Free memory is still 166.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-02 00:47:02,459 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.66ms. Allocated memory is still 363.9MB. Free memory was 306.1MB in the beginning and 278.8MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2023-04-02 00:47:02,459 INFO L158 Benchmark]: Boogie Preprocessor took 105.28ms. Allocated memory is still 363.9MB. Free memory was 278.8MB in the beginning and 270.9MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2023-04-02 00:47:02,460 INFO L158 Benchmark]: RCFGBuilder took 1089.21ms. Allocated memory is still 363.9MB. Free memory was 270.9MB in the beginning and 186.0MB in the end (delta: 84.9MB). Peak memory consumption was 84.9MB. Max. memory is 8.0GB. [2023-04-02 00:47:02,460 INFO L158 Benchmark]: TraceAbstraction took 2094.47ms. Allocated memory is still 363.9MB. Free memory was 185.5MB in the beginning and 253.8MB in the end (delta: -68.3MB). There was no memory consumed. Max. memory is 8.0GB. [2023-04-02 00:47:02,461 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 217.1MB. Free memory is still 166.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 369.66ms. Allocated memory is still 363.9MB. Free memory was 306.1MB in the beginning and 278.8MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 105.28ms. Allocated memory is still 363.9MB. Free memory was 278.8MB in the beginning and 270.9MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * RCFGBuilder took 1089.21ms. Allocated memory is still 363.9MB. Free memory was 270.9MB in the beginning and 186.0MB in the end (delta: 84.9MB). Peak memory consumption was 84.9MB. Max. memory is 8.0GB. * TraceAbstraction took 2094.47ms. Allocated memory is still 363.9MB. Free memory was 185.5MB in the beginning and 253.8MB in the end (delta: -68.3MB). There was no memory consumed. 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: 631]: 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 72, overapproximation of someUnaryDOUBLEoperation at line 512, overapproximation of someBinaryArithmeticFLOAToperation at line 611. Possible FailurePath: [L14] static const float huge_floor = 1.0e30; [L94-L96] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L164] static const int init_jk_krempio[] = {4, 7, 9}; [L166-L170] 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, }; [L172-L174] static const float zero_krempio = 0.0, one_krempio = 1.0, two8_krempio = 2.5600000000e+02, twon8_krempio = 3.9062500000e-03; [L349-L367] 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, }; [L369-L375] 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}; [L377-L386] 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; [L506-L514] 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] [L626] float x = 1.0f / 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] [L627] 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] [L597] float y[2], z = 0.0; [L598] __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] [L601] ieee_float_shape_type gf_u; [L602] gf_u.value = (x) [L603] EXPR gf_u.word [L603] (ix) = gf_u.word [L606] 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=2147483647, 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] [L607] 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=2147483647, 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] [L610] COND TRUE !((ix) < 0x7f800000L) [L611] return x - x; [L611] 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=2147483647, 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] [L627] 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] [L627] float res = tan_float(x); [L630] CALL, EXPR isnan_float(res) VAL [PIo2_krempio={5:0}, T_ktan={8:0}, \old(x)=1000000000000000000000000000005, 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] [L72] return x != x; VAL [PIo2_krempio={5:0}, T_ktan={8:0}, \old(x)=1000000000000000000000000000005, \result=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, x=1000000000000000000000000000005, zero_krempio=0, zero_rempio=0] [L630] RET, EXPR isnan_float(res) 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, isnan_float(res)=0, 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] [L630] COND TRUE !isnan_float(res) [L631] 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 14 procedures, 308 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 415 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 400 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 798 IncrementalHoareTripleChecker+Invalid, 818 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 5 mSDtfsCounter, 798 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=299occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 135 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 00:47:02,476 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...