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_4.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 01:08:44,928 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 01:08:44,930 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 01:08:44,947 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-08 01:08:44,968 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 01:08:44,969 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 01:08:44,970 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 01:08:44,971 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 01:08:44,972 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 01:08:44,973 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 01:08:44,974 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 01:08:44,976 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 01:08:44,978 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 01:08:44,979 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 01:08:44,980 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 01:08:44,980 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 01:08:44,982 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-08 01:08:44,985 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 01:08:44,987 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 01:08:44,988 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 01:08:44,989 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 01:08:44,990 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 01:08:44,990 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 01:08:44,992 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 01:08:44,992 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 01:08:44,992 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 01:08:44,994 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 01:08:44,995 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 01:08:44,996 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 01:08:45,021 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 01:08:45,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 01:08:45,024 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 01:08:45,025 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 01:08:45,025 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 01:08:45,025 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 01:08:45,025 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 01:08:45,025 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 01:08:45,026 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 01:08:45,026 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 01:08:45,026 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 01:08:45,027 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 01:08:45,027 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 01:08:45,027 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 01:08:45,027 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 01:08:45,028 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 01:08:45,028 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 01:08:45,028 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 01:08:45,028 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 01:08:45,029 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 01:08:45,029 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 01:08:45,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 01:08:45,029 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 01:08:45,030 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 01:08:45,030 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 01:08:45,030 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 01:08:45,030 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 01:08:45,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 01:08:45,031 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 01:08:45,074 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 01:08:45,088 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 01:08:45,092 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 01:08:45,094 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 01:08:45,094 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 01:08:45,095 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/newton_2_4.i [2019-09-08 01:08:45,176 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34b70e309/698df858c6c145639d34ed041e3b9b47/FLAG177c39e6e [2019-09-08 01:08:45,644 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 01:08:45,645 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/newton_2_4.i [2019-09-08 01:08:45,652 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34b70e309/698df858c6c145639d34ed041e3b9b47/FLAG177c39e6e [2019-09-08 01:08:46,010 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34b70e309/698df858c6c145639d34ed041e3b9b47 [2019-09-08 01:08:46,022 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 01:08:46,024 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 01:08:46,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 01:08:46,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 01:08:46,030 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 01:08:46,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:08:46" (1/1) ... [2019-09-08 01:08:46,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10c91694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:08:46, skipping insertion in model container [2019-09-08 01:08:46,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:08:46" (1/1) ... [2019-09-08 01:08:46,043 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 01:08:46,065 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 01:08:46,317 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:08:46,323 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 01:08:46,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:08:46,375 INFO L192 MainTranslator]: Completed translation [2019-09-08 01:08:46,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:08:46 WrapperNode [2019-09-08 01:08:46,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 01:08:46,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 01:08:46,377 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 01:08:46,377 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 01:08:46,492 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:08:46" (1/1) ... [2019-09-08 01:08:46,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:08:46" (1/1) ... [2019-09-08 01:08:46,500 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:08:46" (1/1) ... [2019-09-08 01:08:46,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:08:46" (1/1) ... [2019-09-08 01:08:46,510 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:08:46" (1/1) ... [2019-09-08 01:08:46,511 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:08:46" (1/1) ... [2019-09-08 01:08:46,512 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:08:46" (1/1) ... [2019-09-08 01:08:46,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 01:08:46,515 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 01:08:46,515 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 01:08:46,515 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 01:08:46,516 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:08:46" (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 01:08:46,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 01:08:46,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 01:08:46,578 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-09-08 01:08:46,578 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2019-09-08 01:08:46,578 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 01:08:46,578 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 01:08:46,579 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-08 01:08:46,580 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-09-08 01:08:46,580 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-09-08 01:08:46,581 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2019-09-08 01:08:46,581 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 01:08:46,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 01:08:46,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 01:08:46,774 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 01:08:46,775 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-08 01:08:46,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:08:46 BoogieIcfgContainer [2019-09-08 01:08:46,777 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 01:08:46,779 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 01:08:46,779 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 01:08:46,786 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 01:08:46,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 01:08:46" (1/3) ... [2019-09-08 01:08:46,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56b4ad29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:08:46, skipping insertion in model container [2019-09-08 01:08:46,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:08:46" (2/3) ... [2019-09-08 01:08:46,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56b4ad29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:08:46, skipping insertion in model container [2019-09-08 01:08:46,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:08:46" (3/3) ... [2019-09-08 01:08:46,792 INFO L109 eAbstractionObserver]: Analyzing ICFG newton_2_4.i [2019-09-08 01:08:46,808 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 01:08:46,842 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 01:08:46,864 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 01:08:46,918 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 01:08:46,923 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 01:08:46,923 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 01:08:46,923 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 01:08:46,923 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 01:08:46,923 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 01:08:46,924 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 01:08:46,924 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 01:08:46,924 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 01:08:46,953 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2019-09-08 01:08:46,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-09-08 01:08:46,959 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:08:46,960 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 01:08:46,962 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:08:46,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:08:46,967 INFO L82 PathProgramCache]: Analyzing trace with hash 784971363, now seen corresponding path program 1 times [2019-09-08 01:08:46,969 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:08:46,969 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:08:47,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:08:47,010 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:08:47,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:08:47,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:08:47,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:08:47,093 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 01:08:47,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 01:08:47 BoogieIcfgContainer [2019-09-08 01:08:47,119 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 01:08:47,122 INFO L168 Benchmark]: Toolchain (without parser) took 1097.13 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 88.1 MB in the beginning and 151.5 MB in the end (delta: -63.4 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2019-09-08 01:08:47,123 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 133.2 MB. Free memory is still 107.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-08 01:08:47,124 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.04 ms. Allocated memory is still 133.2 MB. Free memory was 88.1 MB in the beginning and 78.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-09-08 01:08:47,125 INFO L168 Benchmark]: Boogie Preprocessor took 137.56 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 78.2 MB in the beginning and 175.7 MB in the end (delta: -97.6 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-09-08 01:08:47,126 INFO L168 Benchmark]: RCFGBuilder took 262.44 ms. Allocated memory is still 199.8 MB. Free memory was 175.7 MB in the beginning and 164.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-09-08 01:08:47,127 INFO L168 Benchmark]: TraceAbstraction took 340.38 ms. Allocated memory is still 199.8 MB. Free memory was 164.9 MB in the beginning and 151.5 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. [2019-09-08 01:08:47,131 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 133.2 MB. Free memory is still 107.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 351.04 ms. Allocated memory is still 133.2 MB. Free memory was 88.1 MB in the beginning and 78.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 137.56 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 78.2 MB in the beginning and 175.7 MB in the end (delta: -97.6 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 262.44 ms. Allocated memory is still 199.8 MB. Free memory was 175.7 MB in the beginning and 164.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 340.38 ms. Allocated memory is still 199.8 MB. Free memory was 164.9 MB in the beginning and 151.5 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 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...