/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/acceleratedInterpolationQvasr_64.epf -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0240a.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-02-01 00:19:30,389 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-01 00:19:30,398 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-01 00:19:30,445 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-01 00:19:30,445 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-01 00:19:30,447 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-01 00:19:30,449 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-01 00:19:30,451 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-01 00:19:30,467 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-01 00:19:30,471 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-01 00:19:30,472 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-01 00:19:30,472 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-01 00:19:30,473 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-01 00:19:30,474 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-01 00:19:30,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-01 00:19:30,477 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-01 00:19:30,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-01 00:19:30,478 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-01 00:19:30,479 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-01 00:19:30,483 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-01 00:19:30,484 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-01 00:19:30,484 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-01 00:19:30,485 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-01 00:19:30,486 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-01 00:19:30,490 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-01 00:19:30,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-01 00:19:30,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-01 00:19:30,511 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-01 00:19:30,512 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf [2022-02-01 00:19:30,521 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-01 00:19:30,522 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-01 00:19:30,523 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-01 00:19:30,523 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-01 00:19:30,523 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-01 00:19:30,523 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-01 00:19:30,523 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-01 00:19:30,523 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-01 00:19:30,524 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-01 00:19:30,524 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-01 00:19:30,524 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-01 00:19:30,524 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-01 00:19:30,525 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-01 00:19:30,525 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-01 00:19:30,525 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-01 00:19:30,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-01 00:19:30,525 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-01 00:19:30,525 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-02-01 00:19:30,525 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-01 00:19:30,525 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-02-01 00:19:30,525 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-01 00:19:30,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-01 00:19:30,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-01 00:19:30,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-01 00:19:30,848 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-01 00:19:30,849 INFO L275 PluginConnector]: CDTParser initialized [2022-02-01 00:19:30,850 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0240a.c [2022-02-01 00:19:30,888 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b30c9724/9b182d5396534c4fb2f1c7ca751286e2/FLAG5daaf454f [2022-02-01 00:19:31,342 INFO L306 CDTParser]: Found 1 translation units. [2022-02-01 00:19:31,342 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0240a.c [2022-02-01 00:19:31,360 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b30c9724/9b182d5396534c4fb2f1c7ca751286e2/FLAG5daaf454f [2022-02-01 00:19:31,382 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b30c9724/9b182d5396534c4fb2f1c7ca751286e2 [2022-02-01 00:19:31,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-01 00:19:31,384 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-01 00:19:31,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-01 00:19:31,388 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-01 00:19:31,390 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-01 00:19:31,397 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.02 12:19:31" (1/1) ... [2022-02-01 00:19:31,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@190aaa7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:19:31, skipping insertion in model container [2022-02-01 00:19:31,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.02 12:19:31" (1/1) ... [2022-02-01 00:19:31,406 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-01 00:19:31,477 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-01 00:19:31,914 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_0240a.c[15875,15888] [2022-02-01 00:19:31,917 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-01 00:19:31,968 INFO L203 MainTranslator]: Completed pre-run [2022-02-01 00:19:32,066 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_0240a.c[15875,15888] [2022-02-01 00:19:32,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-01 00:19:32,093 INFO L208 MainTranslator]: Completed translation [2022-02-01 00:19:32,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:19:32 WrapperNode [2022-02-01 00:19:32,093 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-01 00:19:32,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-01 00:19:32,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-01 00:19:32,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-01 00:19:32,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:19:32" (1/1) ... [2022-02-01 00:19:32,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:19:32" (1/1) ... [2022-02-01 00:19:32,160 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:19:32" (1/1) ... [2022-02-01 00:19:32,160 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:19:32" (1/1) ... [2022-02-01 00:19:32,234 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:19:32" (1/1) ... [2022-02-01 00:19:32,266 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:19:32" (1/1) ... [2022-02-01 00:19:32,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:19:32" (1/1) ... [2022-02-01 00:19:32,275 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-01 00:19:32,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-01 00:19:32,296 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-01 00:19:32,297 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-01 00:19:32,298 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:19:32" (1/1) ... [2022-02-01 00:19:32,303 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-01 00:19:32,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-01 00:19:32,329 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) [2022-02-01 00:19:32,364 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 [2022-02-01 00:19:32,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-01 00:19:32,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-01 00:19:32,379 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-01 00:19:32,379 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2022-02-01 00:19:32,380 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2022-02-01 00:19:32,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2022-02-01 00:19:32,380 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2022-02-01 00:19:32,380 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2022-02-01 00:19:32,380 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2022-02-01 00:19:32,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2f [2022-02-01 00:19:32,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2f [2022-02-01 00:19:32,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2022-02-01 00:19:32,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2022-02-01 00:19:32,381 INFO L138 BoogieDeclarations]: Found implementation of procedure sin_float [2022-02-01 00:19:32,381 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-01 00:19:32,381 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-01 00:19:32,381 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-01 00:19:32,382 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-01 00:19:32,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-01 00:19:32,382 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2022-02-01 00:19:32,383 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2022-02-01 00:19:32,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-01 00:19:32,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-02-01 00:19:32,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-01 00:19:32,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-01 00:19:32,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-01 00:19:32,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-02-01 00:19:32,383 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2022-02-01 00:19:32,383 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2022-02-01 00:19:32,383 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2022-02-01 00:19:32,383 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2022-02-01 00:19:32,383 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2f [2022-02-01 00:19:32,383 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2f [2022-02-01 00:19:32,384 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2022-02-01 00:19:32,384 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2022-02-01 00:19:32,384 INFO L130 BoogieDeclarations]: Found specification of procedure sin_float [2022-02-01 00:19:32,384 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-01 00:19:32,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-01 00:19:32,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-01 00:19:32,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-02-01 00:19:32,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-01 00:19:32,532 INFO L234 CfgBuilder]: Building ICFG [2022-02-01 00:19:32,536 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-01 00:19:33,287 INFO L275 CfgBuilder]: Performing block encoding [2022-02-01 00:19:33,297 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-01 00:19:33,297 INFO L299 CfgBuilder]: Removed 61 assume(true) statements. [2022-02-01 00:19:33,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.02 12:19:33 BoogieIcfgContainer [2022-02-01 00:19:33,300 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-01 00:19:33,302 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-01 00:19:33,302 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-01 00:19:33,304 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-01 00:19:33,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.02 12:19:31" (1/3) ... [2022-02-01 00:19:33,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e0045a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.02 12:19:33, skipping insertion in model container [2022-02-01 00:19:33,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:19:32" (2/3) ... [2022-02-01 00:19:33,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e0045a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.02 12:19:33, skipping insertion in model container [2022-02-01 00:19:33,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.02 12:19:33" (3/3) ... [2022-02-01 00:19:33,308 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0240a.c [2022-02-01 00:19:33,312 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-02-01 00:19:33,312 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-01 00:19:33,344 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-01 00:19:33,349 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=QVASR [2022-02-01 00:19:33,350 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-01 00:19:33,367 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) [2022-02-01 00:19:33,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-02-01 00:19:33,372 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:19:33,373 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] [2022-02-01 00:19:33,373 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:19:33,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:19:33,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1964453111, now seen corresponding path program 1 times [2022-02-01 00:19:33,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:19:33,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [657550044] [2022-02-01 00:19:33,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:19:33,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:19:33,433 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:19:33,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:19:33,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:19:33,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:19:33,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-02-01 00:19:33,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:19:33,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-02-01 00:19:33,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:19:33,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:19:33,858 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:19:33,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [657550044] [2022-02-01 00:19:33,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [657550044] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:19:33,859 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:19:33,859 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-01 00:19:33,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366014175] [2022-02-01 00:19:33,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:19:33,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-01 00:19:33,863 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:19:33,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-01 00:19:33,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-01 00:19:33,888 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) [2022-02-01 00:19:34,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:19:34,896 INFO L93 Difference]: Finished difference Result 538 states and 866 transitions. [2022-02-01 00:19:34,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:19:34,898 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 [2022-02-01 00:19:34,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:19:34,906 INFO L225 Difference]: With dead ends: 538 [2022-02-01 00:19:34,906 INFO L226 Difference]: Without dead ends: 269 [2022-02-01 00:19:34,910 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:19:34,912 INFO L933 BasicCegarLoop]: 338 mSDtfsCounter, 327 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 372 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.8s IncrementalHoareTripleChecker+Time [2022-02-01 00:19:34,912 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [344 Valid, 340 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 372 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-02-01 00:19:34,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2022-02-01 00:19:35,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 269. [2022-02-01 00:19:35,003 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) [2022-02-01 00:19:35,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 365 transitions. [2022-02-01 00:19:35,005 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 365 transitions. Word has length 22 [2022-02-01 00:19:35,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:19:35,006 INFO L470 AbstractCegarLoop]: Abstraction has 269 states and 365 transitions. [2022-02-01 00:19:35,006 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) [2022-02-01 00:19:35,006 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 365 transitions. [2022-02-01 00:19:35,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-02-01 00:19:35,007 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:19:35,007 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] [2022-02-01 00:19:35,007 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-01 00:19:35,008 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:19:35,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:19:35,008 INFO L85 PathProgramCache]: Analyzing trace with hash 202063370, now seen corresponding path program 1 times [2022-02-01 00:19:35,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:19:35,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1112182061] [2022-02-01 00:19:35,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:19:35,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:19:35,011 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:19:35,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-01 00:19:35,060 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-01 00:19:35,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-01 00:19:35,117 INFO L133 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2022-02-01 00:19:35,117 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-01 00:19:35,119 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-01 00:19:35,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-01 00:19:35,122 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-02-01 00:19:35,124 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-01 00:19:35,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.02 12:19:35 BoogieIcfgContainer [2022-02-01 00:19:35,134 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-01 00:19:35,135 INFO L158 Benchmark]: Toolchain (without parser) took 3750.51ms. Allocated memory was 169.9MB in the beginning and 307.2MB in the end (delta: 137.4MB). Free memory was 112.6MB in the beginning and 175.8MB in the end (delta: -63.2MB). Peak memory consumption was 75.7MB. Max. memory is 8.0GB. [2022-02-01 00:19:35,135 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 169.9MB. Free memory is still 129.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-01 00:19:35,136 INFO L158 Benchmark]: CACSL2BoogieTranslator took 705.48ms. Allocated memory was 169.9MB in the beginning and 251.7MB in the end (delta: 81.8MB). Free memory was 112.3MB in the beginning and 207.1MB in the end (delta: -94.8MB). Peak memory consumption was 9.3MB. Max. memory is 8.0GB. [2022-02-01 00:19:35,136 INFO L158 Benchmark]: Boogie Preprocessor took 180.74ms. Allocated memory is still 251.7MB. Free memory was 207.1MB in the beginning and 200.2MB in the end (delta: 6.8MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-02-01 00:19:35,136 INFO L158 Benchmark]: RCFGBuilder took 1004.01ms. Allocated memory is still 251.7MB. Free memory was 200.2MB in the beginning and 167.7MB in the end (delta: 32.5MB). Peak memory consumption was 60.4MB. Max. memory is 8.0GB. [2022-02-01 00:19:35,137 INFO L158 Benchmark]: TraceAbstraction took 1832.41ms. Allocated memory was 251.7MB in the beginning and 307.2MB in the end (delta: 55.6MB). Free memory was 167.2MB in the beginning and 175.8MB in the end (delta: -8.7MB). Peak memory consumption was 46.9MB. Max. memory is 8.0GB. [2022-02-01 00:19:35,138 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 169.9MB. Free memory is still 129.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 705.48ms. Allocated memory was 169.9MB in the beginning and 251.7MB in the end (delta: 81.8MB). Free memory was 112.3MB in the beginning and 207.1MB in the end (delta: -94.8MB). Peak memory consumption was 9.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 180.74ms. Allocated memory is still 251.7MB. Free memory was 207.1MB in the beginning and 200.2MB in the end (delta: 6.8MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1004.01ms. Allocated memory is still 251.7MB. Free memory was 200.2MB in the beginning and 167.7MB in the end (delta: 32.5MB). Peak memory consumption was 60.4MB. Max. memory is 8.0GB. * TraceAbstraction took 1832.41ms. Allocated memory was 251.7MB in the beginning and 307.2MB in the end (delta: 55.6MB). Free memory was 167.2MB in the beginning and 175.8MB in the end (delta: -8.7MB). Peak memory consumption was 46.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 631]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 14, overapproximation of someUnaryDOUBLEoperation at line 510, overapproximation of bitwiseAnd at line 597, overapproximation of someBinaryArithmeticFLOAToperation at line 602. Possible FailurePath: [L16] static const float huge_floor = 1.0e30; [L93-L95] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L168] static const int init_jk_krempio[] = {4, 7, 9}; [L170-L174] 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, }; [L176-L178] static const float zero_krempio = 0.0, one_krempio = 1.0, two8_krempio = 2.5600000000e+02, twon8_krempio = 3.9062500000e-03; [L353-L371] 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, }; [L373-L379] 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}; [L381-L390] 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; [L510-L513] 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; [L537-L540] 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; [L577-L585] static const float one_ktan = 1.0000000000e+00, pio4_ktan = 7.8539812565e-01, pio4lo_ktan = 3.7748947079e-08, T_ktan[] = { 3.3333334327e-01, 1.3333334029e-01, 5.3968254477e-02, 2.1869488060e-02, 8.8632395491e-03, 3.5920790397e-03, 1.4562094584e-03, 5.8804126456e-04, 2.4646313977e-04, 7.8179444245e-05, 7.1407252108e-05, -1.8558637748e-05, 2.5907305826e-05, }; [L626] float x = 1.0f / 0.0f; [L627] CALL, EXPR sin_float(x) [L588] float y[2], z = 0.0; [L589] __int32_t n, ix; [L592] ieee_float_shape_type gf_u; [L593] gf_u.value = (x) [L594] EXPR gf_u.word [L594] (ix) = gf_u.word [L597] ix &= 0x7fffffff [L598] COND FALSE !(ix <= 0x3f490fd8) [L601] COND TRUE !((ix) < 0x7f800000L) [L602] return x - x; [L602] return x - x; [L627] RET, EXPR sin_float(x) [L627] float res = sin_float(x); [L630] CALL, EXPR isnan_float(res) [L14] return x != x; [L630] RET, EXPR isnan_float(res) [L630] COND TRUE !isnan_float(res) [L631] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 15 procedures, 282 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 344 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 327 mSDsluCounter, 340 SdHoareTripleChecker+Invalid, 0.7s 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, 0.2s 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 [2022-02-01 00:19:35,163 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...