/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_0310.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 23:00:53,625 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 23:00:53,626 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 23:00:53,672 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-31 23:00:53,672 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-31 23:00:53,673 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-31 23:00:53,674 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-31 23:00:53,681 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-31 23:00:53,694 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-31 23:00:53,695 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-31 23:00:53,696 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-31 23:00:53,697 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-31 23:00:53,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 23:00:53,698 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 23:00:53,698 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 23:00:53,699 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 23:00:53,700 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 23:00:53,715 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 23:00:53,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 23:00:53,725 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 23:00:53,727 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 23:00:53,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 23:00:53,732 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 23:00:53,733 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 23:00:53,735 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-31 23:00:53,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 23:00:53,744 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 23:00:53,745 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 23:00:53,746 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 23:00:53,759 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 23:00:53,759 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 23:00:53,761 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 23:00:53,761 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 23:00:53,761 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 23:00:53,761 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 23:00:53,761 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 23:00:53,762 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 23:00:53,762 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 23:00:53,762 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 23:00:53,763 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 23:00:53,763 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 23:00:53,763 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 23:00:53,763 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 23:00:53,763 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 23:00:53,763 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 23:00:53,763 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 23:00:53,764 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 23:00:53,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 23:00:53,764 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 23:00:53,764 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-01-31 23:00:53,764 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-31 23:00:53,764 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-01-31 23:00:53,764 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 23:00:53,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 23:00:54,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 23:00:54,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 23:00:54,006 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 23:00:54,007 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 23:00:54,008 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0310.c [2022-01-31 23:00:54,063 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9269cb9e3/f07bcf2a0eee4ac4aa7cb8d1ceb81c63/FLAGf9ffffc2a [2022-01-31 23:00:54,519 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 23:00:54,520 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0310.c [2022-01-31 23:00:54,529 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9269cb9e3/f07bcf2a0eee4ac4aa7cb8d1ceb81c63/FLAGf9ffffc2a [2022-01-31 23:00:54,540 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9269cb9e3/f07bcf2a0eee4ac4aa7cb8d1ceb81c63 [2022-01-31 23:00:54,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 23:00:54,544 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-01-31 23:00:54,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 23:00:54,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 23:00:54,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 23:00:54,549 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 11:00:54" (1/1) ... [2022-01-31 23:00:54,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48cfc1c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:00:54, skipping insertion in model container [2022-01-31 23:00:54,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 11:00:54" (1/1) ... [2022-01-31 23:00:54,556 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 23:00:54,593 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 23:00:54,930 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_0310.c[15490,15503] [2022-01-31 23:00:54,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 23:00:54,956 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 23:00:55,045 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_0310.c[15490,15503] [2022-01-31 23:00:55,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 23:00:55,095 INFO L208 MainTranslator]: Completed translation [2022-01-31 23:00:55,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:00:55 WrapperNode [2022-01-31 23:00:55,096 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 23:00:55,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 23:00:55,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 23:00:55,098 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 23:00:55,107 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:00:55" (1/1) ... [2022-01-31 23:00:55,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:00:55" (1/1) ... [2022-01-31 23:00:55,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:00:55" (1/1) ... [2022-01-31 23:00:55,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:00:55" (1/1) ... [2022-01-31 23:00:55,201 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:00:55" (1/1) ... [2022-01-31 23:00:55,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:00:55" (1/1) ... [2022-01-31 23:00:55,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:00:55" (1/1) ... [2022-01-31 23:00:55,244 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 23:00:55,245 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 23:00:55,245 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 23:00:55,245 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 23:00:55,249 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:00:55" (1/1) ... [2022-01-31 23:00:55,255 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 23:00:55,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 23:00:55,280 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 23:00:55,306 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 23:00:55,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 23:00:55,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 23:00:55,319 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 23:00:55,319 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2022-01-31 23:00:55,320 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2022-01-31 23:00:55,320 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2022-01-31 23:00:55,321 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2022-01-31 23:00:55,321 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2022-01-31 23:00:55,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2f [2022-01-31 23:00:55,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2f [2022-01-31 23:00:55,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2022-01-31 23:00:55,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2022-01-31 23:00:55,322 INFO L138 BoogieDeclarations]: Found implementation of procedure cos_float [2022-01-31 23:00:55,322 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 23:00:55,323 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 23:00:55,324 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 23:00:55,325 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 23:00:55,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 23:00:55,325 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2022-01-31 23:00:55,325 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2022-01-31 23:00:55,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-31 23:00:55,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-01-31 23:00:55,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 23:00:55,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 23:00:55,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 23:00:55,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-01-31 23:00:55,326 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2022-01-31 23:00:55,326 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2022-01-31 23:00:55,326 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2022-01-31 23:00:55,326 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2022-01-31 23:00:55,326 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2f [2022-01-31 23:00:55,326 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2f [2022-01-31 23:00:55,326 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2022-01-31 23:00:55,326 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2022-01-31 23:00:55,326 INFO L130 BoogieDeclarations]: Found specification of procedure cos_float [2022-01-31 23:00:55,327 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 23:00:55,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 23:00:55,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 23:00:55,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-01-31 23:00:55,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 23:00:55,461 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 23:00:55,463 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 23:00:56,316 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 23:00:56,329 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 23:00:56,329 INFO L299 CfgBuilder]: Removed 59 assume(true) statements. [2022-01-31 23:00:56,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 11:00:56 BoogieIcfgContainer [2022-01-31 23:00:56,332 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 23:00:56,334 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 23:00:56,334 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 23:00:56,338 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 23:00:56,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 11:00:54" (1/3) ... [2022-01-31 23:00:56,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73a27e4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 11:00:56, skipping insertion in model container [2022-01-31 23:00:56,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:00:55" (2/3) ... [2022-01-31 23:00:56,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73a27e4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 11:00:56, skipping insertion in model container [2022-01-31 23:00:56,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 11:00:56" (3/3) ... [2022-01-31 23:00:56,341 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0310.c [2022-01-31 23:00:56,345 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-01-31 23:00:56,345 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 23:00:56,382 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 23:00:56,388 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 23:00:56,388 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 23:00:56,404 INFO L276 IsEmpty]: Start isEmpty. Operand has 273 states, 239 states have (on average 1.6276150627615062) internal successors, (389), 240 states have internal predecessors, (389), 20 states have call successors, (20), 12 states have call predecessors, (20), 12 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2022-01-31 23:00:56,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-01-31 23:00:56,412 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:00:56,412 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:00:56,413 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:00:56,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:00:56,417 INFO L85 PathProgramCache]: Analyzing trace with hash -1076423549, now seen corresponding path program 1 times [2022-01-31 23:00:56,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:00:56,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [580794605] [2022-01-31 23:00:56,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:00:56,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:00:56,473 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:00:56,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:00:56,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:00:56,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:00:56,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 23:00:56,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:00:56,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-01-31 23:00:57,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:00:57,011 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 23:00:57,012 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:00:57,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [580794605] [2022-01-31 23:00:57,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [580794605] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:00:57,014 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:00:57,014 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 23:00:57,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592339718] [2022-01-31 23:00:57,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:00:57,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 23:00:57,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:00:57,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 23:00:57,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 23:00:57,054 INFO L87 Difference]: Start difference. First operand has 273 states, 239 states have (on average 1.6276150627615062) internal successors, (389), 240 states have internal predecessors, (389), 20 states have call successors, (20), 12 states have call predecessors, (20), 12 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-31 23:00:58,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:00:58,440 INFO L93 Difference]: Finished difference Result 538 states and 866 transitions. [2022-01-31 23:00:58,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 23:00:58,442 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2022-01-31 23:00:58,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:00:58,460 INFO L225 Difference]: With dead ends: 538 [2022-01-31 23:00:58,461 INFO L226 Difference]: Without dead ends: 269 [2022-01-31 23:00:58,470 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 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 23:00:58,474 INFO L933 BasicCegarLoop]: 338 mSDtfsCounter, 327 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 372 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 344 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-31 23:00:58,475 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [344 Valid, 340 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 372 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-31 23:00:58,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2022-01-31 23:00:58,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 269. [2022-01-31 23:00:58,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 237 states have (on average 1.3755274261603376) internal successors, (326), 237 states have internal predecessors, (326), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-01-31 23:00:58,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 365 transitions. [2022-01-31 23:00:58,593 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 365 transitions. Word has length 22 [2022-01-31 23:00:58,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:00:58,593 INFO L470 AbstractCegarLoop]: Abstraction has 269 states and 365 transitions. [2022-01-31 23:00:58,593 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-31 23:00:58,594 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 365 transitions. [2022-01-31 23:00:58,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-01-31 23:00:58,595 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:00:58,595 INFO L514 BasicCegarLoop]: 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] [2022-01-31 23:00:58,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 23:00:58,596 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:00:58,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:00:58,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1144123730, now seen corresponding path program 1 times [2022-01-31 23:00:58,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:00:58,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1012532411] [2022-01-31 23:00:58,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:00:58,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:00:58,600 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:00:58,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 23:00:58,681 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-31 23:00:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 23:00:58,758 INFO L133 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2022-01-31 23:00:58,758 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-31 23:00:58,760 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-31 23:00:58,762 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-31 23:00:58,765 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-31 23:00:58,767 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-31 23:00:58,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 11:00:58 BoogieIcfgContainer [2022-01-31 23:00:58,782 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-31 23:00:58,783 INFO L158 Benchmark]: Toolchain (without parser) took 4238.70ms. Allocated memory was 183.5MB in the beginning and 238.0MB in the end (delta: 54.5MB). Free memory was 133.3MB in the beginning and 189.7MB in the end (delta: -56.4MB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 23:00:58,783 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 183.5MB. Free memory is still 150.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 23:00:58,784 INFO L158 Benchmark]: CACSL2BoogieTranslator took 550.98ms. Allocated memory is still 183.5MB. Free memory was 133.1MB in the beginning and 144.1MB in the end (delta: -10.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-01-31 23:00:58,784 INFO L158 Benchmark]: Boogie Preprocessor took 147.04ms. Allocated memory is still 183.5MB. Free memory was 144.1MB in the beginning and 137.2MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-01-31 23:00:58,784 INFO L158 Benchmark]: RCFGBuilder took 1087.27ms. Allocated memory is still 183.5MB. Free memory was 137.2MB in the beginning and 74.9MB in the end (delta: 62.4MB). Peak memory consumption was 62.9MB. Max. memory is 8.0GB. [2022-01-31 23:00:58,785 INFO L158 Benchmark]: TraceAbstraction took 2447.83ms. Allocated memory was 183.5MB in the beginning and 238.0MB in the end (delta: 54.5MB). Free memory was 74.3MB in the beginning and 189.7MB in the end (delta: -115.4MB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 23:00:58,787 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 183.5MB. Free memory is still 150.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 550.98ms. Allocated memory is still 183.5MB. Free memory was 133.1MB in the beginning and 144.1MB in the end (delta: -10.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 147.04ms. Allocated memory is still 183.5MB. Free memory was 144.1MB in the beginning and 137.2MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1087.27ms. Allocated memory is still 183.5MB. Free memory was 137.2MB in the beginning and 74.9MB in the end (delta: 62.4MB). Peak memory consumption was 62.9MB. Max. memory is 8.0GB. * TraceAbstraction took 2447.83ms. Allocated memory was 183.5MB in the beginning and 238.0MB in the end (delta: 54.5MB). Free memory was 74.3MB in the beginning and 189.7MB in the end (delta: -115.4MB). 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: 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 64, overapproximation of someUnaryDOUBLEoperation at line 500, overapproximation of bitwiseAnd at line 579, 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 / 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] CALL, EXPR isnan_float(res) [L64] return x != x; [L612] RET, EXPR isnan_float(res) [L612] COND TRUE !isnan_float(res) [L613] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 14 procedures, 276 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 344 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 327 mSDsluCounter, 340 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 49 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 372 IncrementalHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 49 mSolverCounterUnsat, 338 mSDtfsCounter, 372 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=273occurred 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 23:00:58,821 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...