/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/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain IntervalDomain -i ../sv-benchmarks/c/float-newlib/float_req_bl_0530a.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 22:46:19,409 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 22:46:19,411 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 22:46:19,449 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 22:46:19,449 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 22:46:19,452 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 22:46:19,457 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 22:46:19,460 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 22:46:19,461 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 22:46:19,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 22:46:19,467 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 22:46:19,469 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 22:46:19,469 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 22:46:19,472 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 22:46:19,472 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 22:46:19,474 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 22:46:19,474 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 22:46:19,476 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 22:46:19,478 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 22:46:19,482 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 22:46:19,484 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 22:46:19,485 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 22:46:19,486 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 22:46:19,487 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 22:46:19,494 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 22:46:19,494 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 22:46:19,495 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 22:46:19,496 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 22:46:19,497 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 22:46:19,497 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 22:46:19,497 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 22:46:19,498 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 22:46:19,499 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 22:46:19,500 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 22:46:19,501 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 22:46:19,501 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 22:46:19,501 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 22:46:19,501 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 22:46:19,502 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 22:46:19,502 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 22:46:19,503 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 22:46:19,504 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-03-31 22:46:19,532 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 22:46:19,532 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 22:46:19,532 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 22:46:19,533 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 22:46:19,533 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 22:46:19,534 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 22:46:19,534 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 22:46:19,534 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 22:46:19,534 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 22:46:19,534 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 22:46:19,535 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 22:46:19,535 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 22:46:19,535 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 22:46:19,536 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 22:46:19,536 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 22:46:19,536 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 22:46:19,536 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 22:46:19,536 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 22:46:19,537 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 22:46:19,537 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 22:46:19,537 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 22:46:19,537 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 22:46:19,538 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 22:46:19,538 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 22:46:19,538 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 22:46:19,538 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 22:46:19,539 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 22:46:19,539 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 22:46:19,539 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 22:46:19,539 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 22:46:19,539 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 22:46:19,540 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 22:46:19,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 22:46:19,540 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 22:46:19,540 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 22:46:19,540 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 22:46:19,541 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 22:46:19,541 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 22:46:19,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 22:46:19,541 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 22:46:19,541 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 22:46:19,541 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 22:46:19,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 22:46:19,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 22:46:19,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 22:46:19,777 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 22:46:19,778 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 22:46:19,779 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0530a.c [2023-03-31 22:46:20,913 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 22:46:21,138 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 22:46:21,139 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0530a.c [2023-03-31 22:46:21,150 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b5a78648/53e9e87629d64026b26750b19242e750/FLAGa01554076 [2023-03-31 22:46:21,167 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b5a78648/53e9e87629d64026b26750b19242e750 [2023-03-31 22:46:21,169 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 22:46:21,170 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 22:46:21,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 22:46:21,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 22:46:21,175 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 22:46:21,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 10:46:21" (1/1) ... [2023-03-31 22:46:21,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c5bb3b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:46:21, skipping insertion in model container [2023-03-31 22:46:21,177 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 10:46:21" (1/1) ... [2023-03-31 22:46:21,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 22:46:21,229 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 22:46:21,467 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_0530a.c[15590,15603] [2023-03-31 22:46:21,471 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 22:46:21,521 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 22:46:21,622 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_0530a.c[15590,15603] [2023-03-31 22:46:21,623 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 22:46:21,655 INFO L208 MainTranslator]: Completed translation [2023-03-31 22:46:21,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:46:21 WrapperNode [2023-03-31 22:46:21,656 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 22:46:21,656 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 22:46:21,657 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 22:46:21,657 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 22:46:21,667 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:46:21" (1/1) ... [2023-03-31 22:46:21,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:46:21" (1/1) ... [2023-03-31 22:46:21,691 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:46:21" (1/1) ... [2023-03-31 22:46:21,691 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:46:21" (1/1) ... [2023-03-31 22:46:21,742 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:46:21" (1/1) ... [2023-03-31 22:46:21,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:46:21" (1/1) ... [2023-03-31 22:46:21,770 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:46:21" (1/1) ... [2023-03-31 22:46:21,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:46:21" (1/1) ... [2023-03-31 22:46:21,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 22:46:21,797 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 22:46:21,798 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 22:46:21,798 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 22:46:21,798 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:46:21" (1/1) ... [2023-03-31 22:46:21,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 22:46:21,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 22:46:21,832 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-31 22:46:21,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-31 22:46:21,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 22:46:21,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 22:46:21,866 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 22:46:21,866 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2023-03-31 22:46:21,867 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2023-03-31 22:46:21,867 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2023-03-31 22:46:21,867 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2023-03-31 22:46:21,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2f [2023-03-31 22:46:21,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2f [2023-03-31 22:46:21,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tanf [2023-03-31 22:46:21,868 INFO L138 BoogieDeclarations]: Found implementation of procedure tan_float [2023-03-31 22:46:21,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2023-03-31 22:46:21,868 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 22:46:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 22:46:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 22:46:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 22:46:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 22:46:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2023-03-31 22:46:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2023-03-31 22:46:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-31 22:46:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-03-31 22:46:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 22:46:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 22:46:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 22:46:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-03-31 22:46:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2023-03-31 22:46:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2023-03-31 22:46:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2023-03-31 22:46:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2f [2023-03-31 22:46:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2f [2023-03-31 22:46:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tanf [2023-03-31 22:46:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure tan_float [2023-03-31 22:46:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2023-03-31 22:46:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 22:46:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 22:46:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 22:46:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-03-31 22:46:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 22:46:22,063 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 22:46:22,074 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 22:46:23,035 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 22:46:23,367 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 22:46:23,367 INFO L302 CfgBuilder]: Removed 65 assume(true) statements. [2023-03-31 22:46:23,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 10:46:23 BoogieIcfgContainer [2023-03-31 22:46:23,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 22:46:23,373 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 22:46:23,373 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 22:46:23,375 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 22:46:23,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 10:46:21" (1/3) ... [2023-03-31 22:46:23,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bcc706b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 10:46:23, skipping insertion in model container [2023-03-31 22:46:23,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:46:21" (2/3) ... [2023-03-31 22:46:23,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bcc706b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 10:46:23, skipping insertion in model container [2023-03-31 22:46:23,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 10:46:23" (3/3) ... [2023-03-31 22:46:23,378 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0530a.c [2023-03-31 22:46:23,394 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 22:46:23,394 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 22:46:23,452 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 22:46:23,458 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=FINITE_AUTOMATA, 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;@2fd04395, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-31 22:46:23,459 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 22:46:23,464 INFO L276 IsEmpty]: Start isEmpty. Operand has 192 states, 161 states have (on average 1.6459627329192548) internal successors, (265), 162 states have internal predecessors, (265), 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) [2023-03-31 22:46:23,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-03-31 22:46:23,474 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 22:46:23,475 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 22:46:23,476 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 22:46:23,479 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 22:46:23,480 INFO L85 PathProgramCache]: Analyzing trace with hash -254051228, now seen corresponding path program 1 times [2023-03-31 22:46:23,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 22:46:23,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647329012] [2023-03-31 22:46:23,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 22:46:23,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 22:46:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 22:46:23,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 22:46:23,843 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 22:46:23,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647329012] [2023-03-31 22:46:23,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647329012] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 22:46:23,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 22:46:23,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-03-31 22:46:23,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395846770] [2023-03-31 22:46:23,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 22:46:23,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-03-31 22:46:23,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 22:46:23,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-03-31 22:46:23,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-31 22:46:23,894 INFO L87 Difference]: Start difference. First operand has 192 states, 161 states have (on average 1.6459627329192548) internal successors, (265), 162 states have internal predecessors, (265), 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 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-03-31 22:46:24,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 22:46:24,116 INFO L93 Difference]: Finished difference Result 377 states and 610 transitions. [2023-03-31 22:46:24,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-31 22:46:24,122 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 1 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 17 [2023-03-31 22:46:24,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 22:46:24,138 INFO L225 Difference]: With dead ends: 377 [2023-03-31 22:46:24,138 INFO L226 Difference]: Without dead ends: 188 [2023-03-31 22:46:24,146 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-31 22:46:24,151 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 22:46:24,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 194 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 22:46:24,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2023-03-31 22:46:24,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2023-03-31 22:46:24,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 159 states have (on average 1.3459119496855345) internal successors, (214), 159 states have internal predecessors, (214), 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) [2023-03-31 22:46:24,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 249 transitions. [2023-03-31 22:46:24,219 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 249 transitions. Word has length 17 [2023-03-31 22:46:24,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 22:46:24,220 INFO L495 AbstractCegarLoop]: Abstraction has 188 states and 249 transitions. [2023-03-31 22:46:24,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-03-31 22:46:24,221 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 249 transitions. [2023-03-31 22:46:24,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-03-31 22:46:24,222 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 22:46:24,222 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 22:46:24,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 22:46:24,223 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 22:46:24,223 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 22:46:24,223 INFO L85 PathProgramCache]: Analyzing trace with hash 2058997971, now seen corresponding path program 1 times [2023-03-31 22:46:24,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 22:46:24,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306299660] [2023-03-31 22:46:24,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 22:46:24,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 22:46:24,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-03-31 22:46:24,349 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-03-31 22:46:24,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-03-31 22:46:24,487 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-03-31 22:46:24,488 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-03-31 22:46:24,489 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-31 22:46:24,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 22:46:24,495 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-03-31 22:46:24,501 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-31 22:46:24,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.03 10:46:24 BoogieIcfgContainer [2023-03-31 22:46:24,560 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-31 22:46:24,561 INFO L158 Benchmark]: Toolchain (without parser) took 3390.68ms. Allocated memory was 185.6MB in the beginning and 232.8MB in the end (delta: 47.2MB). Free memory was 123.5MB in the beginning and 170.5MB in the end (delta: -46.9MB). Peak memory consumption was 1.5MB. Max. memory is 8.0GB. [2023-03-31 22:46:24,562 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 185.6MB. Free memory was 136.9MB in the beginning and 136.8MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 22:46:24,565 INFO L158 Benchmark]: CACSL2BoogieTranslator took 484.79ms. Allocated memory is still 185.6MB. Free memory was 123.3MB in the beginning and 143.0MB in the end (delta: -19.7MB). Peak memory consumption was 22.5MB. Max. memory is 8.0GB. [2023-03-31 22:46:24,565 INFO L158 Benchmark]: Boogie Preprocessor took 140.40ms. Allocated memory is still 185.6MB. Free memory was 143.0MB in the beginning and 135.3MB in the end (delta: 7.7MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-03-31 22:46:24,565 INFO L158 Benchmark]: RCFGBuilder took 1572.23ms. Allocated memory was 185.6MB in the beginning and 232.8MB in the end (delta: 47.2MB). Free memory was 135.3MB in the beginning and 155.6MB in the end (delta: -20.2MB). Peak memory consumption was 81.5MB. Max. memory is 8.0GB. [2023-03-31 22:46:24,566 INFO L158 Benchmark]: TraceAbstraction took 1187.37ms. Allocated memory is still 232.8MB. Free memory was 155.0MB in the beginning and 170.5MB in the end (delta: -15.4MB). There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 22:46:24,567 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 185.6MB. Free memory was 136.9MB in the beginning and 136.8MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 484.79ms. Allocated memory is still 185.6MB. Free memory was 123.3MB in the beginning and 143.0MB in the end (delta: -19.7MB). Peak memory consumption was 22.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 140.40ms. Allocated memory is still 185.6MB. Free memory was 143.0MB in the beginning and 135.3MB in the end (delta: 7.7MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1572.23ms. Allocated memory was 185.6MB in the beginning and 232.8MB in the end (delta: 47.2MB). Free memory was 135.3MB in the beginning and 155.6MB in the end (delta: -20.2MB). Peak memory consumption was 81.5MB. Max. memory is 8.0GB. * TraceAbstraction took 1187.37ms. Allocated memory is still 232.8MB. Free memory was 155.0MB in the beginning and 170.5MB in the end (delta: -15.4MB). 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: 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 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, }; [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, x=0, zero_krempio=0, zero_rempio=0] [L625] CALL, EXPR tan_float(x) VAL [PIo2_krempio={5:0}, T_ktan={8:0}, \old(x)=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] [L582] float y[2], z = 0.0; [L583] __int32_t n, ix; VAL [PIo2_krempio={5:0}, T_ktan={8:0}, \old(x)=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=0, 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)=0, 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=0, 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)=0, 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=0, 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)=0, 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=0, 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)=1000000000000000000000000000014, 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=0, zero_krempio=0, zero_rempio=0] [L625] float res = tan_float(x); [L628] EXPR res == 0.0f && __signbit_float(res) == 0 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) == 0=0, res=1000000000000000000000000000014, 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=0, zero_krempio=0, zero_rempio=0] [L628] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [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=1000000000000000000000000000014, 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=0, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 194 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 194 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 59 IncrementalHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 194 mSDtfsCounter, 59 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=192occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 0.1s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-03-31 22:46:24,593 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...