/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 EqDomain -i ../sv-benchmarks/c/float-newlib/float_req_bl_0682b.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 10:50:11,526 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 10:50:11,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 10:50:11,569 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 10:50:11,570 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 10:50:11,573 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 10:50:11,576 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 10:50:11,578 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 10:50:11,579 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 10:50:11,583 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 10:50:11,584 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 10:50:11,586 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 10:50:11,586 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 10:50:11,587 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 10:50:11,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 10:50:11,589 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 10:50:11,589 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 10:50:11,590 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 10:50:11,591 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 10:50:11,595 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 10:50:11,595 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 10:50:11,596 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 10:50:11,597 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 10:50:11,598 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 10:50:11,602 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 10:50:11,602 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 10:50:11,602 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 10:50:11,603 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 10:50:11,603 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 10:50:11,604 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 10:50:11,604 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 10:50:11,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 10:50:11,605 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 10:50:11,605 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 10:50:11,606 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 10:50:11,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 10:50:11,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 10:50:11,607 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 10:50:11,607 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 10:50:11,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 10:50:11,607 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 10:50:11,608 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 [2023-04-01 10:50:11,632 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 10:50:11,633 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 10:50:11,633 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 10:50:11,633 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 10:50:11,634 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 10:50:11,634 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 10:50:11,634 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 10:50:11,634 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 10:50:11,634 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 10:50:11,634 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 10:50:11,635 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 10:50:11,635 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 10:50:11,635 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 10:50:11,635 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 10:50:11,635 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 10:50:11,635 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 10:50:11,636 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 10:50:11,636 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 10:50:11,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 10:50:11,636 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 10:50:11,636 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 10:50:11,636 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 10:50:11,636 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 10:50:11,637 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 10:50:11,637 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 10:50:11,637 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 10:50:11,637 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 10:50:11,637 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 10:50:11,637 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 10:50:11,637 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 10:50:11,637 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 10:50:11,637 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 10:50:11,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 10:50:11,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 10:50:11,638 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 10:50:11,638 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 10:50:11,638 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 10:50:11,638 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 10:50:11,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 10:50:11,638 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 10:50:11,638 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 10:50:11,638 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-04-01 10:50:11,828 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 10:50:11,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 10:50:11,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 10:50:11,844 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 10:50:11,844 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 10:50:11,845 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0682b.c [2023-04-01 10:50:12,803 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 10:50:13,057 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 10:50:13,058 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0682b.c [2023-04-01 10:50:13,064 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fda950d9/a3ac328153764440962ae8b72168d3b1/FLAG84fcc6c1e [2023-04-01 10:50:13,076 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fda950d9/a3ac328153764440962ae8b72168d3b1 [2023-04-01 10:50:13,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 10:50:13,079 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 10:50:13,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 10:50:13,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 10:50:13,082 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 10:50:13,082 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:50:13" (1/1) ... [2023-04-01 10:50:13,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@548f785b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:50:13, skipping insertion in model container [2023-04-01 10:50:13,083 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:50:13" (1/1) ... [2023-04-01 10:50:13,088 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 10:50:13,106 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 10:50:13,244 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_0682b.c[5566,5579] [2023-04-01 10:50:13,247 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 10:50:13,255 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 10:50:13,284 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_0682b.c[5566,5579] [2023-04-01 10:50:13,285 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 10:50:13,297 INFO L208 MainTranslator]: Completed translation [2023-04-01 10:50:13,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:50:13 WrapperNode [2023-04-01 10:50:13,297 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 10:50:13,298 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 10:50:13,298 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 10:50:13,298 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 10:50:13,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:50:13" (1/1) ... [2023-04-01 10:50:13,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:50:13" (1/1) ... [2023-04-01 10:50:13,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:50:13" (1/1) ... [2023-04-01 10:50:13,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:50:13" (1/1) ... [2023-04-01 10:50:13,330 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:50:13" (1/1) ... [2023-04-01 10:50:13,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:50:13" (1/1) ... [2023-04-01 10:50:13,336 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:50:13" (1/1) ... [2023-04-01 10:50:13,338 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:50:13" (1/1) ... [2023-04-01 10:50:13,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 10:50:13,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 10:50:13,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 10:50:13,341 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 10:50:13,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:50:13" (1/1) ... [2023-04-01 10:50:13,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 10:50:13,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 10:50:13,387 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) [2023-04-01 10:50:13,392 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 [2023-04-01 10:50:13,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 10:50:13,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 10:50:13,421 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 10:50:13,421 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2023-04-01 10:50:13,421 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2023-04-01 10:50:13,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_atan2f [2023-04-01 10:50:13,421 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_float [2023-04-01 10:50:13,421 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 10:50:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 10:50:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 10:50:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 10:50:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 10:50:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2023-04-01 10:50:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2023-04-01 10:50:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-01 10:50:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-04-01 10:50:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 10:50:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 10:50:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 10:50:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-04-01 10:50:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2023-04-01 10:50:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_atan2f [2023-04-01 10:50:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_float [2023-04-01 10:50:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 10:50:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 10:50:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 10:50:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-04-01 10:50:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 10:50:13,518 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 10:50:13,520 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 10:50:13,908 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 10:50:13,996 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 10:50:13,996 INFO L302 CfgBuilder]: Removed 16 assume(true) statements. [2023-04-01 10:50:13,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:50:13 BoogieIcfgContainer [2023-04-01 10:50:13,998 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 10:50:14,000 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 10:50:14,000 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 10:50:14,002 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 10:50:14,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 10:50:13" (1/3) ... [2023-04-01 10:50:14,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a32f574 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:50:14, skipping insertion in model container [2023-04-01 10:50:14,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:50:13" (2/3) ... [2023-04-01 10:50:14,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a32f574 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:50:14, skipping insertion in model container [2023-04-01 10:50:14,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:50:13" (3/3) ... [2023-04-01 10:50:14,003 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0682b.c [2023-04-01 10:50:14,015 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 10:50:14,015 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 10:50:14,049 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 10:50:14,053 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;@5f41a523, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 10:50:14,054 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 10:50:14,057 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 70 states have (on average 1.6428571428571428) internal successors, (115), 71 states have internal predecessors, (115), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-04-01 10:50:14,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-04-01 10:50:14,062 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 10:50:14,062 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 10:50:14,063 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 10:50:14,066 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 10:50:14,067 INFO L85 PathProgramCache]: Analyzing trace with hash 439736752, now seen corresponding path program 1 times [2023-04-01 10:50:14,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 10:50:14,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563059408] [2023-04-01 10:50:14,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 10:50:14,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 10:50:14,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 10:50:14,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 10:50:14,241 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 10:50:14,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563059408] [2023-04-01 10:50:14,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563059408] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 10:50:14,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 10:50:14,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-01 10:50:14,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286618733] [2023-04-01 10:50:14,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 10:50:14,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-01 10:50:14,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 10:50:14,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-01 10:50:14,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 10:50:14,291 INFO L87 Difference]: Start difference. First operand has 86 states, 70 states have (on average 1.6428571428571428) internal successors, (115), 71 states have internal predecessors, (115), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-04-01 10:50:14,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 10:50:14,355 INFO L93 Difference]: Finished difference Result 165 states and 260 transitions. [2023-04-01 10:50:14,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-01 10:50:14,357 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (4), 1 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 24 [2023-04-01 10:50:14,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 10:50:14,364 INFO L225 Difference]: With dead ends: 165 [2023-04-01 10:50:14,364 INFO L226 Difference]: Without dead ends: 81 [2023-04-01 10:50:14,368 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 [2023-04-01 10:50:14,370 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-01 10:50:14,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 102 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-01 10:50:14,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-04-01 10:50:14,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2023-04-01 10:50:14,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 67 states have (on average 1.3880597014925373) internal successors, (93), 67 states have internal predecessors, (93), 8 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-04-01 10:50:14,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 108 transitions. [2023-04-01 10:50:14,415 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 108 transitions. Word has length 24 [2023-04-01 10:50:14,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 10:50:14,415 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 108 transitions. [2023-04-01 10:50:14,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-04-01 10:50:14,416 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 108 transitions. [2023-04-01 10:50:14,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-04-01 10:50:14,416 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 10:50:14,417 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 10:50:14,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 10:50:14,417 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 10:50:14,417 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 10:50:14,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1237682347, now seen corresponding path program 1 times [2023-04-01 10:50:14,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 10:50:14,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890388305] [2023-04-01 10:50:14,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 10:50:14,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 10:50:14,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-04-01 10:50:14,510 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-04-01 10:50:14,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-04-01 10:50:14,605 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-04-01 10:50:14,606 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-04-01 10:50:14,607 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 10:50:14,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 10:50:14,611 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-04-01 10:50:14,613 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 10:50:14,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 10:50:14 BoogieIcfgContainer [2023-04-01 10:50:14,655 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 10:50:14,656 INFO L158 Benchmark]: Toolchain (without parser) took 1577.04ms. Allocated memory is still 246.4MB. Free memory was 205.0MB in the beginning and 106.4MB in the end (delta: 98.7MB). Peak memory consumption was 98.6MB. Max. memory is 8.0GB. [2023-04-01 10:50:14,656 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 192.9MB. Free memory is still 140.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 10:50:14,657 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.28ms. Allocated memory is still 246.4MB. Free memory was 205.0MB in the beginning and 190.8MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-04-01 10:50:14,659 INFO L158 Benchmark]: Boogie Preprocessor took 42.33ms. Allocated memory is still 246.4MB. Free memory was 190.8MB in the beginning and 188.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-04-01 10:50:14,659 INFO L158 Benchmark]: RCFGBuilder took 657.21ms. Allocated memory is still 246.4MB. Free memory was 188.2MB in the beginning and 150.4MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. [2023-04-01 10:50:14,661 INFO L158 Benchmark]: TraceAbstraction took 655.66ms. Allocated memory is still 246.4MB. Free memory was 149.4MB in the beginning and 106.4MB in the end (delta: 43.0MB). Peak memory consumption was 43.0MB. Max. memory is 8.0GB. [2023-04-01 10:50:14,664 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 192.9MB. Free memory is still 140.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 218.28ms. Allocated memory is still 246.4MB. Free memory was 205.0MB in the beginning and 190.8MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 42.33ms. Allocated memory is still 246.4MB. Free memory was 190.8MB in the beginning and 188.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 657.21ms. Allocated memory is still 246.4MB. Free memory was 188.2MB in the beginning and 150.4MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. * TraceAbstraction took 655.66ms. Allocated memory is still 246.4MB. Free memory was 149.4MB in the beginning and 106.4MB in the end (delta: 43.0MB). Peak memory consumption was 43.0MB. 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: 244]: 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 243, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of someBinaryArithmeticFLOAToperation at line 137. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; [L236] float x = -1.0f / 0.0f; [L237] float y = __VERIFIER_nondet_float(); [L239] CALL, EXPR isfinite_float(y) VAL [\old(x)=1000000000000000000000000000011, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L219] __int32_t ix; VAL [\old(x)=1000000000000000000000000000011, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000011, zero_atan2=0] [L221] ieee_float_shape_type gf_u; [L222] gf_u.value = (x) [L223] EXPR gf_u.word [L223] (ix) = gf_u.word [L225] ix &= 0x7fffffff [L226] return (((ix) < 0x7f800000L)); [L239] RET, EXPR isfinite_float(y) VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, isfinite_float(y)=1, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, y=1000000000000000000000000000011, zero_atan2=0] [L239] COND TRUE isfinite_float(y) && y > 0.0f [L240] CALL, EXPR __ieee754_atan2f(y, x) VAL [\old(x)=1000000000000000000000000000005, \old(y)=1000000000000000000000000000011, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [\old(x)=1000000000000000000000000000005, \old(y)=1000000000000000000000000000011, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000005, y=1000000000000000000000000000011, zero_atan2=0] [L125] ieee_float_shape_type gf_u; [L126] gf_u.value = (x) [L127] EXPR gf_u.word [L127] (hx) = gf_u.word [L129] ix = hx & 0x7fffffff VAL [\old(x)=1000000000000000000000000000005, \old(y)=1000000000000000000000000000011, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2147483647, ix=2147483647, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000005, y=1000000000000000000000000000011, zero_atan2=0] [L131] ieee_float_shape_type gf_u; [L132] gf_u.value = (y) [L133] EXPR gf_u.word [L133] (hy) = gf_u.word [L135] iy = hy & 0x7fffffff VAL [\old(x)=1000000000000000000000000000005, \old(y)=1000000000000000000000000000011, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2147483647, hy=2147483647, ix=2147483647, iy=2147483647, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000005, y=1000000000000000000000000000011, zero_atan2=0] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [\old(x)=1000000000000000000000000000005, \old(y)=1000000000000000000000000000011, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2147483647, hy=2147483647, ix=2147483647, iy=2147483647, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000005, y=1000000000000000000000000000011, zero_atan2=0] [L240] RET, EXPR __ieee754_atan2f(y, x) VAL [__ieee754_atan2f(y, x)=1000000000000000000000000000009, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000005, y=1000000000000000000000000000011, zero_atan2=0] [L240] float res = __ieee754_atan2f(y, x); [L243] COND TRUE res != pi VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=1000000000000000000000000000009, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000005, y=1000000000000000000000000000011, zero_atan2=0] [L244] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=1000000000000000000000000000009, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000005, y=1000000000000000000000000000011, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 88 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 102 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 102 mSDtfsCounter, 12 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=86occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 23 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 [2023-04-01 10:50:14,683 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...