java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/floats-cdfpl/newton_2_3.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 01:08:40,158 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 01:08:40,160 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 01:08:40,173 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 01:08:40,174 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 01:08:40,175 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 01:08:40,177 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 01:08:40,178 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 01:08:40,180 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 01:08:40,181 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 01:08:40,182 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 01:08:40,183 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 01:08:40,184 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 01:08:40,185 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 01:08:40,186 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 01:08:40,187 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 01:08:40,188 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 01:08:40,189 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 01:08:40,191 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 01:08:40,193 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 01:08:40,194 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 01:08:40,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 01:08:40,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 01:08:40,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 01:08:40,200 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-08 01:08:40,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 01:08:40,204 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 01:08:40,205 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 01:08:40,206 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 01:08:40,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 01:08:40,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 01:08:40,211 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 01:08:40,211 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 01:08:40,211 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 01:08:40,212 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 01:08:40,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 01:08:40,214 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-08 01:08:40,250 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 01:08:40,251 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 01:08:40,252 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 01:08:40,253 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 01:08:40,253 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 01:08:40,253 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 01:08:40,253 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 01:08:40,254 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 01:08:40,254 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 01:08:40,254 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 01:08:40,255 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 01:08:40,255 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 01:08:40,255 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 01:08:40,255 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 01:08:40,256 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 01:08:40,256 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 01:08:40,256 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 01:08:40,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 01:08:40,258 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 01:08:40,258 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 01:08:40,258 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 01:08:40,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 01:08:40,258 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 01:08:40,259 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 01:08:40,259 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 01:08:40,259 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 01:08:40,260 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 01:08:40,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 01:08:40,260 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 01:08:40,313 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 01:08:40,327 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 01:08:40,331 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 01:08:40,332 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 01:08:40,333 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 01:08:40,333 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/newton_2_3.i [2019-09-08 01:08:40,396 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/018214642/7819abcc4211416ca44284564e8b581f/FLAG917e2b45f [2019-09-08 01:08:40,949 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 01:08:40,953 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/newton_2_3.i [2019-09-08 01:08:40,963 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/018214642/7819abcc4211416ca44284564e8b581f/FLAG917e2b45f [2019-09-08 01:08:41,317 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/018214642/7819abcc4211416ca44284564e8b581f [2019-09-08 01:08:41,331 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 01:08:41,333 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 01:08:41,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 01:08:41,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 01:08:41,339 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 01:08:41,340 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:08:41" (1/1) ... [2019-09-08 01:08:41,343 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4db10a48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:08:41, skipping insertion in model container [2019-09-08 01:08:41,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:08:41" (1/1) ... [2019-09-08 01:08:41,353 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 01:08:41,372 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 01:08:41,560 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:08:41,565 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 01:08:41,584 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:08:41,599 INFO L192 MainTranslator]: Completed translation [2019-09-08 01:08:41,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:08:41 WrapperNode [2019-09-08 01:08:41,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 01:08:41,601 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 01:08:41,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 01:08:41,601 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 01:08:41,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:08:41" (1/1) ... [2019-09-08 01:08:41,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:08:41" (1/1) ... [2019-09-08 01:08:41,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:08:41" (1/1) ... [2019-09-08 01:08:41,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:08:41" (1/1) ... [2019-09-08 01:08:41,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:08:41" (1/1) ... [2019-09-08 01:08:41,743 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:08:41" (1/1) ... [2019-09-08 01:08:41,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:08:41" (1/1) ... [2019-09-08 01:08:41,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 01:08:41,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 01:08:41,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 01:08:41,749 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 01:08:41,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:08:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 01:08:41,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 01:08:41,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 01:08:41,801 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-09-08 01:08:41,801 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2019-09-08 01:08:41,802 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 01:08:41,802 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 01:08:41,802 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-08 01:08:41,802 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-09-08 01:08:41,802 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-09-08 01:08:41,802 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2019-09-08 01:08:41,803 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 01:08:41,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 01:08:41,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 01:08:41,988 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 01:08:41,988 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-08 01:08:41,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:08:41 BoogieIcfgContainer [2019-09-08 01:08:41,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 01:08:41,993 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 01:08:41,993 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 01:08:41,998 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 01:08:41,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 01:08:41" (1/3) ... [2019-09-08 01:08:42,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13817d2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:08:41, skipping insertion in model container [2019-09-08 01:08:42,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:08:41" (2/3) ... [2019-09-08 01:08:42,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13817d2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:08:42, skipping insertion in model container [2019-09-08 01:08:42,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:08:41" (3/3) ... [2019-09-08 01:08:42,004 INFO L109 eAbstractionObserver]: Analyzing ICFG newton_2_3.i [2019-09-08 01:08:42,020 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 01:08:42,056 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 01:08:42,108 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 01:08:42,147 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 01:08:42,149 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 01:08:42,149 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 01:08:42,150 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 01:08:42,150 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 01:08:42,150 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 01:08:42,150 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 01:08:42,151 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 01:08:42,151 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 01:08:42,175 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2019-09-08 01:08:42,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-09-08 01:08:42,185 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:08:42,187 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 01:08:42,190 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:08:42,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:08:42,197 INFO L82 PathProgramCache]: Analyzing trace with hash 784971363, now seen corresponding path program 1 times [2019-09-08 01:08:42,199 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:08:42,199 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:08:42,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:08:42,243 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:08:42,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:08:42,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:08:42,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:08:42,333 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 01:08:42,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 01:08:42 BoogieIcfgContainer [2019-09-08 01:08:42,362 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 01:08:42,365 INFO L168 Benchmark]: Toolchain (without parser) took 1030.51 ms. Allocated memory was 131.1 MB in the beginning and 198.2 MB in the end (delta: 67.1 MB). Free memory was 87.2 MB in the beginning and 149.3 MB in the end (delta: -62.1 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-09-08 01:08:42,366 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 131.1 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-08 01:08:42,367 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.78 ms. Allocated memory is still 131.1 MB. Free memory was 86.7 MB in the beginning and 77.1 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-09-08 01:08:42,369 INFO L168 Benchmark]: Boogie Preprocessor took 147.09 ms. Allocated memory was 131.1 MB in the beginning and 198.2 MB in the end (delta: 67.1 MB). Free memory was 77.1 MB in the beginning and 174.0 MB in the end (delta: -97.0 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-09-08 01:08:42,370 INFO L168 Benchmark]: RCFGBuilder took 242.81 ms. Allocated memory is still 198.2 MB. Free memory was 174.0 MB in the beginning and 162.8 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-09-08 01:08:42,371 INFO L168 Benchmark]: TraceAbstraction took 369.13 ms. Allocated memory is still 198.2 MB. Free memory was 162.8 MB in the beginning and 149.3 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. [2019-09-08 01:08:42,375 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 131.1 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 265.78 ms. Allocated memory is still 131.1 MB. Free memory was 86.7 MB in the beginning and 77.1 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 147.09 ms. Allocated memory was 131.1 MB in the beginning and 198.2 MB in the end (delta: 67.1 MB). Free memory was 77.1 MB in the beginning and 174.0 MB in the end (delta: -97.0 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 242.81 ms. Allocated memory is still 198.2 MB. Free memory was 174.0 MB in the beginning and 162.8 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 369.13 ms. Allocated memory is still 198.2 MB. Free memory was 162.8 MB in the beginning and 149.3 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 28]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 17, overapproximation of someBinaryDOUBLEComparisonOperation at line 27, overapproximation of someBinaryArithmeticFLOAToperation at line 21. Possible FailurePath: [L16] float IN = __VERIFIER_nondet_float(); [L19] CALL, EXPR f(IN) VAL [\old(x)=5] [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=5, x=5] [L19] RET, EXPR f(IN) VAL [f(IN)=4, IN=5] [L19] CALL, EXPR fp(IN) VAL [\old(x)=5] [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=5, x=5] [L19] RET, EXPR fp(IN) VAL [f(IN)=4, fp(IN)=1, IN=5] [L19] float x = IN - f(IN)/fp(IN); [L21] CALL, EXPR f(x) VAL [\old(x)=2] [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=2, x=2] [L21] RET, EXPR f(x) VAL [f(x)=3, IN=5, x=2] [L21] CALL, EXPR fp(x) VAL [\old(x)=2] [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=2, x=2] [L21] RET, EXPR fp(x) VAL [f(x)=3, fp(x)=0, IN=5, x=2] [L21] x = x - f(x)/fp(x) [L27] COND TRUE !(x < 0.1) VAL [IN=5] [L28] __VERIFIER_error() VAL [IN=5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 25 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...