/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0320b.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 23:00:55,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 23:00:55,563 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 23:00:55,632 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-31 23:00:55,633 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-31 23:00:55,636 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-31 23:00:55,638 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-31 23:00:55,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-31 23:00:55,646 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-31 23:00:55,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-31 23:00:55,652 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-31 23:00:55,652 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-31 23:00:55,653 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 23:00:55,653 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 23:00:55,654 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 23:00:55,655 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 23:00:55,655 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 23:00:55,656 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 23:00:55,657 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 23:00:55,658 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 23:00:55,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 23:00:55,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 23:00:55,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 23:00:55,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 23:00:55,665 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-31 23:00:55,668 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-31 23:00:55,668 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-31 23:00:55,669 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-31 23:00:55,669 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-31 23:00:55,670 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-31 23:00:55,670 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-31 23:00:55,671 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-31 23:00:55,671 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-31 23:00:55,671 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 23:00:55,672 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 23:00:55,672 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 23:00:55,673 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2022-01-31 23:00:55,680 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 23:00:55,680 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 23:00:55,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 23:00:55,681 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 23:00:55,681 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 23:00:55,681 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 23:00:55,681 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 23:00:55,682 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 23:00:55,682 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 23:00:55,682 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 23:00:55,682 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 23:00:55,682 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 23:00:55,682 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 23:00:55,683 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 23:00:55,683 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 23:00:55,683 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 23:00:55,683 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 23:00:55,683 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 23:00:55,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 23:00:55,683 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 23:00:55,684 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-01-31 23:00:55,684 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-31 23:00:55,684 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-01-31 23:00:55,684 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 23:00:55,869 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 23:00:55,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 23:00:55,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 23:00:55,898 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 23:00:55,898 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 23:00:55,900 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0320b.c [2022-01-31 23:00:55,964 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24149a51b/defa6d80b75a474aa7443678ebf0744f/FLAGa008e58c8 [2022-01-31 23:00:56,335 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 23:00:56,335 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0320b.c [2022-01-31 23:00:56,353 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24149a51b/defa6d80b75a474aa7443678ebf0744f/FLAGa008e58c8 [2022-01-31 23:00:56,369 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24149a51b/defa6d80b75a474aa7443678ebf0744f [2022-01-31 23:00:56,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 23:00:56,372 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-01-31 23:00:56,374 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 23:00:56,374 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 23:00:56,376 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 23:00:56,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 11:00:56" (1/1) ... [2022-01-31 23:00:56,378 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59ba8119 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:00:56, skipping insertion in model container [2022-01-31 23:00:56,378 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 11:00:56" (1/1) ... [2022-01-31 23:00:56,384 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 23:00:56,414 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 23:00:56,681 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0320b.c[15471,15484] [2022-01-31 23:00:56,683 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 23:00:56,710 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 23:00:56,786 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0320b.c[15471,15484] [2022-01-31 23:00:56,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 23:00:56,819 INFO L208 MainTranslator]: Completed translation [2022-01-31 23:00:56,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:00:56 WrapperNode [2022-01-31 23:00:56,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 23:00:56,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 23:00:56,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 23:00:56,821 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 23:00:56,830 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:00:56" (1/1) ... [2022-01-31 23:00:56,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:00:56" (1/1) ... [2022-01-31 23:00:56,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:00:56" (1/1) ... [2022-01-31 23:00:56,853 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:00:56" (1/1) ... [2022-01-31 23:00:56,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:00:56" (1/1) ... [2022-01-31 23:00:56,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:00:56" (1/1) ... [2022-01-31 23:00:56,914 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:00:56" (1/1) ... [2022-01-31 23:00:56,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 23:00:56,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 23:00:56,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 23:00:56,923 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 23:00:56,930 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:00:56" (1/1) ... [2022-01-31 23:00:56,938 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 23:00:56,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 23:00:56,962 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) [2022-01-31 23:00:56,964 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 [2022-01-31 23:00:56,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 23:00:56,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 23:00:56,989 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 23:00:56,989 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2022-01-31 23:00:56,990 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2022-01-31 23:00:56,990 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2022-01-31 23:00:56,990 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2022-01-31 23:00:56,991 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2022-01-31 23:00:56,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2f [2022-01-31 23:00:56,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2f [2022-01-31 23:00:56,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2022-01-31 23:00:56,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2022-01-31 23:00:56,992 INFO L138 BoogieDeclarations]: Found implementation of procedure cos_float [2022-01-31 23:00:56,992 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 23:00:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 23:00:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 23:00:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 23:00:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 23:00:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2022-01-31 23:00:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2022-01-31 23:00:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-31 23:00:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-01-31 23:00:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 23:00:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 23:00:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 23:00:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-01-31 23:00:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2022-01-31 23:00:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2022-01-31 23:00:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2022-01-31 23:00:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2022-01-31 23:00:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2f [2022-01-31 23:00:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2f [2022-01-31 23:00:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2022-01-31 23:00:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2022-01-31 23:00:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure cos_float [2022-01-31 23:00:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 23:00:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 23:00:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 23:00:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-01-31 23:00:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 23:00:57,129 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 23:00:57,131 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 23:00:57,967 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 23:00:57,982 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 23:00:57,982 INFO L299 CfgBuilder]: Removed 59 assume(true) statements. [2022-01-31 23:00:57,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 11:00:57 BoogieIcfgContainer [2022-01-31 23:00:57,985 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 23:00:57,989 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 23:00:57,989 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 23:00:57,992 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 23:00:57,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 11:00:56" (1/3) ... [2022-01-31 23:00:57,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f37dbcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 11:00:57, skipping insertion in model container [2022-01-31 23:00:57,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:00:56" (2/3) ... [2022-01-31 23:00:57,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f37dbcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 11:00:57, skipping insertion in model container [2022-01-31 23:00:57,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 11:00:57" (3/3) ... [2022-01-31 23:00:57,995 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0320b.c [2022-01-31 23:00:57,999 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-01-31 23:00:57,999 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 23:00:58,037 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 23:00:58,046 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=AcceleratedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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, mLoopAccelerationTechnique=JORDAN [2022-01-31 23:00:58,046 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 23:00:58,070 INFO L276 IsEmpty]: Start isEmpty. Operand has 268 states, 236 states have (on average 1.6355932203389831) internal successors, (386), 237 states have internal predecessors, (386), 19 states have call successors, (19), 11 states have call predecessors, (19), 11 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-01-31 23:00:58,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-01-31 23:00:58,077 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:00:58,077 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:00:58,078 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:00:58,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:00:58,082 INFO L85 PathProgramCache]: Analyzing trace with hash -1776565199, now seen corresponding path program 1 times [2022-01-31 23:00:58,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:00:58,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [815585312] [2022-01-31 23:00:58,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:00:58,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:00:58,147 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:00:58,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:00:58,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:00:58,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:00:58,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 23:00:58,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:00:58,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 23:00:58,653 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:00:58,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [815585312] [2022-01-31 23:00:58,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [815585312] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:00:58,655 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:00:58,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 23:00:58,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084718711] [2022-01-31 23:00:58,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:00:58,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 23:00:58,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:00:58,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 23:00:58,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 23:00:58,693 INFO L87 Difference]: Start difference. First operand has 268 states, 236 states have (on average 1.6355932203389831) internal successors, (386), 237 states have internal predecessors, (386), 19 states have call successors, (19), 11 states have call predecessors, (19), 11 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-31 23:00:59,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:00:59,989 INFO L93 Difference]: Finished difference Result 528 states and 856 transitions. [2022-01-31 23:00:59,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 23:00:59,991 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2022-01-31 23:00:59,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:01:00,001 INFO L225 Difference]: With dead ends: 528 [2022-01-31 23:01:00,001 INFO L226 Difference]: Without dead ends: 264 [2022-01-31 23:01:00,006 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-31 23:01:00,009 INFO L933 BasicCegarLoop]: 334 mSDtfsCounter, 322 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-31 23:01:00,010 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [338 Valid, 336 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-31 23:01:00,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2022-01-31 23:01:00,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 264. [2022-01-31 23:01:00,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 234 states have (on average 1.3803418803418803) internal successors, (323), 234 states have internal predecessors, (323), 19 states have call successors, (19), 11 states have call predecessors, (19), 10 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2022-01-31 23:01:00,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 360 transitions. [2022-01-31 23:01:00,156 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 360 transitions. Word has length 17 [2022-01-31 23:01:00,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:01:00,156 INFO L470 AbstractCegarLoop]: Abstraction has 264 states and 360 transitions. [2022-01-31 23:01:00,157 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-31 23:01:00,157 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 360 transitions. [2022-01-31 23:01:00,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-01-31 23:01:00,158 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:01:00,158 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:01:00,158 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 23:01:00,159 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:01:00,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:01:00,159 INFO L85 PathProgramCache]: Analyzing trace with hash 762187852, now seen corresponding path program 1 times [2022-01-31 23:01:00,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:01:00,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1147920572] [2022-01-31 23:01:00,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:01:00,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:01:00,164 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:01:00,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 23:01:00,245 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-31 23:01:00,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 23:01:00,348 INFO L133 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2022-01-31 23:01:00,349 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-31 23:01:00,351 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-31 23:01:00,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-31 23:01:00,357 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-31 23:01:00,360 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-31 23:01:00,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 11:01:00 BoogieIcfgContainer [2022-01-31 23:01:00,375 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-31 23:01:00,376 INFO L158 Benchmark]: Toolchain (without parser) took 4003.58ms. Allocated memory was 179.3MB in the beginning and 266.3MB in the end (delta: 87.0MB). Free memory was 122.4MB in the beginning and 173.9MB in the end (delta: -51.4MB). Peak memory consumption was 35.6MB. Max. memory is 8.0GB. [2022-01-31 23:01:00,376 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 179.3MB. Free memory is still 139.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 23:01:00,377 INFO L158 Benchmark]: CACSL2BoogieTranslator took 446.29ms. Allocated memory was 179.3MB in the beginning and 266.3MB in the end (delta: 87.0MB). Free memory was 122.1MB in the beginning and 224.0MB in the end (delta: -101.9MB). Peak memory consumption was 15.2MB. Max. memory is 8.0GB. [2022-01-31 23:01:00,377 INFO L158 Benchmark]: Boogie Preprocessor took 101.62ms. Allocated memory is still 266.3MB. Free memory was 224.0MB in the beginning and 217.2MB in the end (delta: 6.8MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-01-31 23:01:00,378 INFO L158 Benchmark]: RCFGBuilder took 1062.29ms. Allocated memory is still 266.3MB. Free memory was 217.2MB in the beginning and 154.8MB in the end (delta: 62.4MB). Peak memory consumption was 61.9MB. Max. memory is 8.0GB. [2022-01-31 23:01:00,378 INFO L158 Benchmark]: TraceAbstraction took 2386.83ms. Allocated memory is still 266.3MB. Free memory was 154.3MB in the beginning and 173.9MB in the end (delta: -19.6MB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 23:01:00,380 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 179.3MB. Free memory is still 139.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 446.29ms. Allocated memory was 179.3MB in the beginning and 266.3MB in the end (delta: 87.0MB). Free memory was 122.1MB in the beginning and 224.0MB in the end (delta: -101.9MB). Peak memory consumption was 15.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 101.62ms. Allocated memory is still 266.3MB. Free memory was 224.0MB in the beginning and 217.2MB in the end (delta: 6.8MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1062.29ms. Allocated memory is still 266.3MB. Free memory was 217.2MB in the beginning and 154.8MB in the end (delta: 62.4MB). Peak memory consumption was 61.9MB. Max. memory is 8.0GB. * TraceAbstraction took 2386.83ms. Allocated memory is still 266.3MB. Free memory was 154.3MB in the beginning and 173.9MB in the end (delta: -19.6MB). 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: 613]: 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 612, overapproximation of someUnaryDOUBLEoperation at line 500, overapproximation of bitwiseAnd at line 579, overapproximation of someUnaryFLOAToperation at line 608, overapproximation of someBinaryArithmeticFLOAToperation at line 584. Possible FailurePath: [L18] static const float huge_floor = 1.0e30; [L86-L88] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L158] static const int init_jk_krempio[] = {4, 7, 9}; [L160-L164] 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, }; [L166-L168] static const float zero_krempio = 0.0, one_krempio = 1.0, two8_krempio = 2.5600000000e+02, twon8_krempio = 3.9062500000e-03; [L343-L361] 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, }; [L363-L369] 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}; [L371-L380] 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; [L500-L503] static const float half_ksin = 5.0000000000e-01, S1_ksin = -1.6666667163e-01, S2_ksin = 8.3333337680e-03, S3_ksin = -1.9841270114e-04, S4_ksin = 2.7557314297e-06, S5_ksin = -2.5050759689e-08, S6_ksin = 1.5896910177e-10; [L527-L530] static const float one_kcos = 1.0000000000e+00, C1_kcos = 4.1666667908e-02, C2_kcos = -1.3888889225e-03, C3_kcos = 2.4801587642e-05, C4_kcos = -2.7557314297e-07, C5_kcos = 2.0875723372e-09, C6_kcos = -1.1359647598e-11; [L567] static const float one_cos = 1.0; [L608] float x = -0.0f; [L609] CALL, EXPR cos_float(x) [L570] float y[2], z = 0.0; [L571] __int32_t n, ix; [L574] ieee_float_shape_type gf_u; [L575] gf_u.value = (x) [L576] EXPR gf_u.word [L576] (ix) = gf_u.word [L579] ix &= 0x7fffffff [L580] COND FALSE !(ix <= 0x3f490fd8) [L583] COND TRUE !((ix) < 0x7f800000L) [L584] return x - x; [L584] return x - x; [L609] RET, EXPR cos_float(x) [L609] float res = cos_float(x); [L612] COND TRUE res != 1.0f [L613] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 14 procedures, 274 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 338 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 322 mSDsluCounter, 336 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 47 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 369 IncrementalHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 47 mSolverCounterUnsat, 334 mSDtfsCounter, 369 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=268occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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 [2022-01-31 23:01:00,408 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...