/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_0330a.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-02-01 00:19:39,060 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-01 00:19:39,092 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-01 00:19:39,140 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-01 00:19:39,141 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-01 00:19:39,143 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-01 00:19:39,146 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-01 00:19:39,148 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-01 00:19:39,150 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-01 00:19:39,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-01 00:19:39,152 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-01 00:19:39,153 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-01 00:19:39,153 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-01 00:19:39,153 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-01 00:19:39,154 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-01 00:19:39,155 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-01 00:19:39,155 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-01 00:19:39,156 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-01 00:19:39,157 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-01 00:19:39,159 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-01 00:19:39,160 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-01 00:19:39,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-01 00:19:39,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-01 00:19:39,163 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-01 00:19:39,167 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-01 00:19:39,173 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-01 00:19:39,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-01 00:19:39,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-01 00:19:39,178 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 00:19:39,189 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-01 00:19:39,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-01 00:19:39,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-01 00:19:39,191 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-01 00:19:39,191 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-01 00:19:39,191 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-01 00:19:39,191 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-01 00:19:39,191 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-01 00:19:39,192 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-01 00:19:39,192 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-01 00:19:39,192 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-01 00:19:39,192 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-01 00:19:39,193 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-01 00:19:39,193 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-01 00:19:39,193 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-01 00:19:39,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-01 00:19:39,193 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-01 00:19:39,193 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-02-01 00:19:39,193 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-01 00:19:39,194 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-02-01 00:19:39,194 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-01 00:19:39,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-01 00:19:39,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-01 00:19:39,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-01 00:19:39,403 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-01 00:19:39,405 INFO L275 PluginConnector]: CDTParser initialized [2022-02-01 00:19:39,406 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0330a.c [2022-02-01 00:19:39,455 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bec8e4f32/841c8c761d2b4aa0802f723fbc035fd9/FLAG6153a1afe [2022-02-01 00:19:39,800 INFO L306 CDTParser]: Found 1 translation units. [2022-02-01 00:19:39,801 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0330a.c [2022-02-01 00:19:39,811 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bec8e4f32/841c8c761d2b4aa0802f723fbc035fd9/FLAG6153a1afe [2022-02-01 00:19:40,207 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bec8e4f32/841c8c761d2b4aa0802f723fbc035fd9 [2022-02-01 00:19:40,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-01 00:19:40,210 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-01 00:19:40,219 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-01 00:19:40,220 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-01 00:19:40,222 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-01 00:19:40,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.02 12:19:40" (1/1) ... [2022-02-01 00:19:40,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68069b25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:19:40, skipping insertion in model container [2022-02-01 00:19:40,224 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.02 12:19:40" (1/1) ... [2022-02-01 00:19:40,230 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-01 00:19:40,269 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-01 00:19:40,530 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_0330a.c[15496,15509] [2022-02-01 00:19:40,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-01 00:19:40,558 INFO L203 MainTranslator]: Completed pre-run [2022-02-01 00:19:40,636 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_0330a.c[15496,15509] [2022-02-01 00:19:40,636 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-01 00:19:40,671 INFO L208 MainTranslator]: Completed translation [2022-02-01 00:19:40,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:19:40 WrapperNode [2022-02-01 00:19:40,672 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-01 00:19:40,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-01 00:19:40,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-01 00:19:40,673 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-01 00:19:40,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:19:40" (1/1) ... [2022-02-01 00:19:40,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:19:40" (1/1) ... [2022-02-01 00:19:40,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:19:40" (1/1) ... [2022-02-01 00:19:40,710 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:19:40" (1/1) ... [2022-02-01 00:19:40,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:19:40" (1/1) ... [2022-02-01 00:19:40,792 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:19:40" (1/1) ... [2022-02-01 00:19:40,797 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:19:40" (1/1) ... [2022-02-01 00:19:40,805 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-01 00:19:40,806 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-01 00:19:40,806 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-01 00:19:40,806 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-01 00:19:40,811 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:19:40" (1/1) ... [2022-02-01 00:19:40,824 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-01 00:19:40,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-01 00:19:40,842 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 00:19:40,858 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 00:19:40,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-01 00:19:40,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-01 00:19:40,873 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-01 00:19:40,873 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2022-02-01 00:19:40,873 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2022-02-01 00:19:40,873 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2022-02-01 00:19:40,873 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2022-02-01 00:19:40,873 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2022-02-01 00:19:40,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2f [2022-02-01 00:19:40,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2f [2022-02-01 00:19:40,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2022-02-01 00:19:40,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2022-02-01 00:19:40,874 INFO L138 BoogieDeclarations]: Found implementation of procedure cos_float [2022-02-01 00:19:40,874 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-01 00:19:40,874 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-01 00:19:40,874 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-01 00:19:40,874 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-01 00:19:40,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-01 00:19:40,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2022-02-01 00:19:40,875 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2022-02-01 00:19:40,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-01 00:19:40,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-02-01 00:19:40,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-01 00:19:40,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-01 00:19:40,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-01 00:19:40,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-02-01 00:19:40,875 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2022-02-01 00:19:40,876 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2022-02-01 00:19:40,876 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2022-02-01 00:19:40,876 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2022-02-01 00:19:40,876 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2f [2022-02-01 00:19:40,876 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2f [2022-02-01 00:19:40,876 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2022-02-01 00:19:40,876 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2022-02-01 00:19:40,876 INFO L130 BoogieDeclarations]: Found specification of procedure cos_float [2022-02-01 00:19:40,876 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-01 00:19:40,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-01 00:19:40,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-01 00:19:40,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-02-01 00:19:40,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-01 00:19:41,009 INFO L234 CfgBuilder]: Building ICFG [2022-02-01 00:19:41,015 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-01 00:19:41,817 INFO L275 CfgBuilder]: Performing block encoding [2022-02-01 00:19:41,830 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-01 00:19:41,830 INFO L299 CfgBuilder]: Removed 59 assume(true) statements. [2022-02-01 00:19:41,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.02 12:19:41 BoogieIcfgContainer [2022-02-01 00:19:41,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-01 00:19:41,836 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-01 00:19:41,837 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-01 00:19:41,839 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-01 00:19:41,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.02 12:19:40" (1/3) ... [2022-02-01 00:19:41,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d9304a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.02 12:19:41, skipping insertion in model container [2022-02-01 00:19:41,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:19:40" (2/3) ... [2022-02-01 00:19:41,841 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d9304a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.02 12:19:41, skipping insertion in model container [2022-02-01 00:19:41,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.02 12:19:41" (3/3) ... [2022-02-01 00:19:41,842 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0330a.c [2022-02-01 00:19:41,846 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-02-01 00:19:41,847 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-01 00:19:41,889 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-01 00:19:41,894 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 00:19:41,894 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-01 00:19:41,919 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 00:19:41,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-02-01 00:19:41,930 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:19:41,930 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 00:19:41,931 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:19:41,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:19:41,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1076423549, now seen corresponding path program 1 times [2022-02-01 00:19:41,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:19:41,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [43202700] [2022-02-01 00:19:41,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:19:41,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:19:41,996 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:19:42,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:19:42,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:19:42,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:19:42,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-02-01 00:19:42,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:19:42,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-02-01 00:19:42,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:19:42,474 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 00:19:42,476 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:19:42,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [43202700] [2022-02-01 00:19:42,477 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [43202700] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:19:42,477 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:19:42,478 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-01 00:19:42,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938261731] [2022-02-01 00:19:42,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:19:42,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-01 00:19:42,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:19:42,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-01 00:19:42,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-01 00:19:42,514 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 00:19:43,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:19:43,842 INFO L93 Difference]: Finished difference Result 538 states and 866 transitions. [2022-02-01 00:19:43,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:19:43,845 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 00:19:43,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:19:43,854 INFO L225 Difference]: With dead ends: 538 [2022-02-01 00:19:43,855 INFO L226 Difference]: Without dead ends: 269 [2022-02-01 00:19:43,860 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 [2022-02-01 00:19:43,864 INFO L933 BasicCegarLoop]: 338 mSDtfsCounter, 327 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 372 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.0s IncrementalHoareTripleChecker+Time [2022-02-01 00:19:43,865 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [344 Valid, 340 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 372 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-02-01 00:19:43,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2022-02-01 00:19:43,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 269. [2022-02-01 00:19:43,964 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 00:19:43,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 365 transitions. [2022-02-01 00:19:43,967 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 365 transitions. Word has length 22 [2022-02-01 00:19:43,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:19:43,968 INFO L470 AbstractCegarLoop]: Abstraction has 269 states and 365 transitions. [2022-02-01 00:19:43,968 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 00:19:43,968 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 365 transitions. [2022-02-01 00:19:43,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-02-01 00:19:43,969 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:19:43,970 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 00:19:43,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-01 00:19:43,970 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:19:43,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:19:43,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1144123730, now seen corresponding path program 1 times [2022-02-01 00:19:43,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:19:43,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2078070577] [2022-02-01 00:19:43,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:19:43,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:19:43,974 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:19:44,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-01 00:19:44,056 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-01 00:19:44,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-01 00:19:44,165 INFO L133 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2022-02-01 00:19:44,166 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-01 00:19:44,168 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-01 00:19:44,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-01 00:19:44,173 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-02-01 00:19:44,175 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-01 00:19:44,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.02 12:19:44 BoogieIcfgContainer [2022-02-01 00:19:44,194 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-01 00:19:44,194 INFO L158 Benchmark]: Toolchain (without parser) took 3983.81ms. Allocated memory was 222.3MB in the beginning and 285.2MB in the end (delta: 62.9MB). Free memory was 167.3MB in the beginning and 156.3MB in the end (delta: 11.0MB). Peak memory consumption was 75.5MB. Max. memory is 8.0GB. [2022-02-01 00:19:44,195 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 222.3MB. Free memory is still 184.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-01 00:19:44,196 INFO L158 Benchmark]: CACSL2BoogieTranslator took 452.61ms. Allocated memory was 222.3MB in the beginning and 285.2MB in the end (delta: 62.9MB). Free memory was 167.1MB in the beginning and 240.2MB in the end (delta: -73.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-02-01 00:19:44,199 INFO L158 Benchmark]: Boogie Preprocessor took 132.35ms. Allocated memory is still 285.2MB. Free memory was 240.2MB in the beginning and 233.4MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-02-01 00:19:44,200 INFO L158 Benchmark]: RCFGBuilder took 1027.54ms. Allocated memory is still 285.2MB. Free memory was 233.4MB in the beginning and 228.1MB in the end (delta: 5.2MB). Peak memory consumption was 43.0MB. Max. memory is 8.0GB. [2022-02-01 00:19:44,201 INFO L158 Benchmark]: TraceAbstraction took 2357.33ms. Allocated memory is still 285.2MB. Free memory was 227.6MB in the beginning and 156.3MB in the end (delta: 71.3MB). Peak memory consumption was 72.3MB. Max. memory is 8.0GB. [2022-02-01 00:19:44,206 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 222.3MB. Free memory is still 184.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 452.61ms. Allocated memory was 222.3MB in the beginning and 285.2MB in the end (delta: 62.9MB). Free memory was 167.1MB in the beginning and 240.2MB in the end (delta: -73.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 132.35ms. Allocated memory is still 285.2MB. Free memory was 240.2MB in the beginning and 233.4MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1027.54ms. Allocated memory is still 285.2MB. Free memory was 233.4MB in the beginning and 228.1MB in the end (delta: 5.2MB). Peak memory consumption was 43.0MB. Max. memory is 8.0GB. * TraceAbstraction took 2357.33ms. Allocated memory is still 285.2MB. Free memory was 227.6MB in the beginning and 156.3MB in the end (delta: 71.3MB). Peak memory consumption was 72.3MB. 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 = 1.0f / 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: 2.3s, 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, 344 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 327 mSDsluCounter, 340 SdHoareTripleChecker+Invalid, 0.9s 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 [2022-02-01 00:19:44,239 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...