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_3_4.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 01:09:03,519 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 01:09:03,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 01:09:03,534 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 01:09:03,535 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 01:09:03,536 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 01:09:03,538 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 01:09:03,540 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 01:09:03,541 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 01:09:03,542 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 01:09:03,543 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 01:09:03,544 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 01:09:03,545 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 01:09:03,546 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 01:09:03,547 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 01:09:03,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 01:09:03,549 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 01:09:03,550 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 01:09:03,552 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 01:09:03,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 01:09:03,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 01:09:03,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 01:09:03,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 01:09:03,559 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 01:09:03,561 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 01:09:03,561 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 01:09:03,561 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 01:09:03,562 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 01:09:03,563 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 01:09:03,564 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 01:09:03,564 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 01:09:03,565 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 01:09:03,566 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 01:09:03,567 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 01:09:03,568 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 01:09:03,568 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 01:09:03,569 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 01:09:03,569 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 01:09:03,569 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 01:09:03,570 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 01:09:03,571 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 01:09:03,572 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 01:09:03,587 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 01:09:03,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 01:09:03,588 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 01:09:03,588 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 01:09:03,589 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 01:09:03,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 01:09:03,589 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 01:09:03,589 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 01:09:03,589 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 01:09:03,590 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 01:09:03,590 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 01:09:03,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 01:09:03,590 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 01:09:03,590 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 01:09:03,591 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 01:09:03,591 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 01:09:03,591 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 01:09:03,591 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 01:09:03,592 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 01:09:03,592 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 01:09:03,592 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 01:09:03,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 01:09:03,592 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 01:09:03,593 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 01:09:03,593 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 01:09:03,593 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 01:09:03,593 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 01:09:03,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 01:09:03,594 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 01:09:03,624 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 01:09:03,639 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 01:09:03,643 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 01:09:03,645 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 01:09:03,645 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 01:09:03,646 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/newton_3_4.i [2019-09-08 01:09:03,712 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bae452bb/9a0b5266f86347d89e166eb8a7a0a158/FLAGb2f8f73e2 [2019-09-08 01:09:04,150 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 01:09:04,153 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/newton_3_4.i [2019-09-08 01:09:04,159 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bae452bb/9a0b5266f86347d89e166eb8a7a0a158/FLAGb2f8f73e2 [2019-09-08 01:09:04,573 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bae452bb/9a0b5266f86347d89e166eb8a7a0a158 [2019-09-08 01:09:04,585 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 01:09:04,587 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 01:09:04,588 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 01:09:04,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 01:09:04,591 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 01:09:04,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:09:04" (1/1) ... [2019-09-08 01:09:04,594 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64a01335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:04, skipping insertion in model container [2019-09-08 01:09:04,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:09:04" (1/1) ... [2019-09-08 01:09:04,601 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 01:09:04,616 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 01:09:04,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:09:04,843 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 01:09:04,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:09:04,877 INFO L192 MainTranslator]: Completed translation [2019-09-08 01:09:04,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:04 WrapperNode [2019-09-08 01:09:04,877 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 01:09:04,878 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 01:09:04,878 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 01:09:04,878 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 01:09:04,983 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:04" (1/1) ... [2019-09-08 01:09:04,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:04" (1/1) ... [2019-09-08 01:09:04,988 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:04" (1/1) ... [2019-09-08 01:09:04,988 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:04" (1/1) ... [2019-09-08 01:09:04,994 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:04" (1/1) ... [2019-09-08 01:09:04,995 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:04" (1/1) ... [2019-09-08 01:09:04,997 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:04" (1/1) ... [2019-09-08 01:09:04,998 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 01:09:04,999 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 01:09:04,999 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 01:09:04,999 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 01:09:05,000 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:04" (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 01:09:05,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 01:09:05,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 01:09:05,052 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-09-08 01:09:05,053 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2019-09-08 01:09:05,053 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 01:09:05,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 01:09:05,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-08 01:09:05,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-09-08 01:09:05,054 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-09-08 01:09:05,054 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2019-09-08 01:09:05,054 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 01:09:05,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 01:09:05,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 01:09:05,215 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 01:09:05,216 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-08 01:09:05,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:09:05 BoogieIcfgContainer [2019-09-08 01:09:05,218 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 01:09:05,219 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 01:09:05,219 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 01:09:05,222 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 01:09:05,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 01:09:04" (1/3) ... [2019-09-08 01:09:05,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aa54cac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:09:05, skipping insertion in model container [2019-09-08 01:09:05,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:04" (2/3) ... [2019-09-08 01:09:05,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aa54cac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:09:05, skipping insertion in model container [2019-09-08 01:09:05,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:09:05" (3/3) ... [2019-09-08 01:09:05,226 INFO L109 eAbstractionObserver]: Analyzing ICFG newton_3_4.i [2019-09-08 01:09:05,271 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 01:09:05,288 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 01:09:05,325 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 01:09:05,365 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 01:09:05,366 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 01:09:05,366 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 01:09:05,366 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 01:09:05,366 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 01:09:05,367 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 01:09:05,367 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 01:09:05,367 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 01:09:05,367 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 01:09:05,385 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2019-09-08 01:09:05,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-09-08 01:09:05,390 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:09:05,391 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 01:09:05,393 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:09:05,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:09:05,397 INFO L82 PathProgramCache]: Analyzing trace with hash 122785517, now seen corresponding path program 1 times [2019-09-08 01:09:05,399 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:09:05,399 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:09:05,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:09:05,440 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:09:05,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:09:05,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:09:05,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:09:05,523 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 01:09:05,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 01:09:05 BoogieIcfgContainer [2019-09-08 01:09:05,550 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 01:09:05,553 INFO L168 Benchmark]: Toolchain (without parser) took 964.93 ms. Allocated memory was 143.1 MB in the beginning and 201.9 MB in the end (delta: 58.7 MB). Free memory was 90.4 MB in the beginning and 154.2 MB in the end (delta: -63.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-08 01:09:05,554 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 143.1 MB. Free memory was 109.2 MB in the beginning and 109.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-08 01:09:05,555 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.80 ms. Allocated memory is still 143.1 MB. Free memory was 90.2 MB in the beginning and 79.9 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-09-08 01:09:05,556 INFO L168 Benchmark]: Boogie Preprocessor took 120.45 ms. Allocated memory was 143.1 MB in the beginning and 201.9 MB in the end (delta: 58.7 MB). Free memory was 79.9 MB in the beginning and 179.2 MB in the end (delta: -99.3 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-09-08 01:09:05,557 INFO L168 Benchmark]: RCFGBuilder took 218.98 ms. Allocated memory is still 201.9 MB. Free memory was 179.2 MB in the beginning and 167.9 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-09-08 01:09:05,558 INFO L168 Benchmark]: TraceAbstraction took 331.49 ms. Allocated memory is still 201.9 MB. Free memory was 167.3 MB in the beginning and 154.2 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. [2019-09-08 01:09:05,562 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 143.1 MB. Free memory was 109.2 MB in the beginning and 109.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 289.80 ms. Allocated memory is still 143.1 MB. Free memory was 90.2 MB in the beginning and 79.9 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.45 ms. Allocated memory was 143.1 MB in the beginning and 201.9 MB in the end (delta: 58.7 MB). Free memory was 79.9 MB in the beginning and 179.2 MB in the end (delta: -99.3 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 218.98 ms. Allocated memory is still 201.9 MB. Free memory was 179.2 MB in the beginning and 167.9 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 331.49 ms. Allocated memory is still 201.9 MB. Free memory was 167.3 MB in the beginning and 154.2 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 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 23. Possible FailurePath: [L16] float IN = __VERIFIER_nondet_float(); [L19] CALL, EXPR f(IN) VAL [\old(x)=8] [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)=8, x=8] [L19] RET, EXPR f(IN) VAL [f(IN)=5, IN=8] [L19] CALL, EXPR fp(IN) VAL [\old(x)=8] [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=8, x=8] [L19] RET, EXPR fp(IN) VAL [f(IN)=5, fp(IN)=2, IN=8] [L19] float x = IN - f(IN)/fp(IN); [L21] CALL, EXPR f(x) VAL [\old(x)=3] [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)=3, x=3] [L21] RET, EXPR f(x) VAL [f(x)=4, IN=8, x=3] [L21] CALL, EXPR fp(x) VAL [\old(x)=3] [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=3, x=3] [L21] RET, EXPR fp(x) VAL [f(x)=4, fp(x)=0, IN=8, x=3] [L21] x = x - f(x)/fp(x) [L23] CALL, EXPR f(x) VAL [\old(x)=6] [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)=6, x=6] [L23] RET, EXPR f(x) VAL [f(x)=1, IN=8, x=6] [L23] CALL, EXPR fp(x) VAL [\old(x)=6] [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=6, x=6] [L23] RET, EXPR fp(x) VAL [f(x)=1, fp(x)=7, IN=8, x=6] [L23] x = x - f(x)/fp(x) [L27] COND TRUE !(x < 0.1) VAL [IN=8] [L28] __VERIFIER_error() VAL [IN=8] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 28 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 3 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred 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, 34 NumberOfCodeBlocks, 34 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...