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_6.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 01:09:08,014 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 01:09:08,017 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 01:09:08,035 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 01:09:08,036 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 01:09:08,037 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 01:09:08,040 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 01:09:08,053 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 01:09:08,054 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 01:09:08,056 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 01:09:08,059 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 01:09:08,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 01:09:08,061 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 01:09:08,063 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 01:09:08,065 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 01:09:08,067 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 01:09:08,067 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 01:09:08,070 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 01:09:08,072 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 01:09:08,078 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 01:09:08,080 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 01:09:08,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 01:09:08,086 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 01:09:08,087 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 01:09:08,089 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 01:09:08,090 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 01:09:08,090 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 01:09:08,092 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 01:09:08,093 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 01:09:08,094 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 01:09:08,095 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 01:09:08,096 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 01:09:08,097 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 01:09:08,098 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 01:09:08,100 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 01:09:08,100 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 01:09:08,101 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 01:09:08,101 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 01:09:08,102 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 01:09:08,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 01:09:08,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 01:09:08,106 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 01:09:08,130 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 01:09:08,130 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 01:09:08,133 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 01:09:08,133 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 01:09:08,133 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 01:09:08,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 01:09:08,134 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 01:09:08,134 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 01:09:08,134 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 01:09:08,134 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 01:09:08,135 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 01:09:08,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 01:09:08,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 01:09:08,136 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 01:09:08,136 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 01:09:08,137 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 01:09:08,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 01:09:08,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 01:09:08,137 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 01:09:08,137 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 01:09:08,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 01:09:08,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 01:09:08,138 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 01:09:08,138 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 01:09:08,138 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 01:09:08,139 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 01:09:08,139 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 01:09:08,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 01:09:08,139 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 01:09:08,188 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 01:09:08,200 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 01:09:08,205 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 01:09:08,207 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 01:09:08,207 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 01:09:08,209 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/newton_3_6.i [2019-09-08 01:09:08,270 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c2e50675/4ab1d08be64442d0b280db8fad304a7d/FLAG5fa31ecd1 [2019-09-08 01:09:08,712 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 01:09:08,714 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/newton_3_6.i [2019-09-08 01:09:08,722 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c2e50675/4ab1d08be64442d0b280db8fad304a7d/FLAG5fa31ecd1 [2019-09-08 01:09:09,097 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c2e50675/4ab1d08be64442d0b280db8fad304a7d [2019-09-08 01:09:09,107 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 01:09:09,109 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 01:09:09,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 01:09:09,110 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 01:09:09,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 01:09:09,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:09:09" (1/1) ... [2019-09-08 01:09:09,118 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64fdff94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:09, skipping insertion in model container [2019-09-08 01:09:09,118 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:09:09" (1/1) ... [2019-09-08 01:09:09,126 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 01:09:09,144 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 01:09:09,346 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:09:09,350 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 01:09:09,372 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:09:09,387 INFO L192 MainTranslator]: Completed translation [2019-09-08 01:09:09,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:09 WrapperNode [2019-09-08 01:09:09,388 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 01:09:09,389 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 01:09:09,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 01:09:09,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 01:09:09,487 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:09" (1/1) ... [2019-09-08 01:09:09,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:09" (1/1) ... [2019-09-08 01:09:09,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:09" (1/1) ... [2019-09-08 01:09:09,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:09" (1/1) ... [2019-09-08 01:09:09,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:09" (1/1) ... [2019-09-08 01:09:09,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:09" (1/1) ... [2019-09-08 01:09:09,514 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:09" (1/1) ... [2019-09-08 01:09:09,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 01:09:09,516 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 01:09:09,516 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 01:09:09,516 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 01:09:09,517 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:09" (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 01:09:09,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 01:09:09,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 01:09:09,562 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-09-08 01:09:09,562 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2019-09-08 01:09:09,562 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 01:09:09,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 01:09:09,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-08 01:09:09,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-09-08 01:09:09,563 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-09-08 01:09:09,563 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2019-09-08 01:09:09,563 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 01:09:09,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 01:09:09,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 01:09:09,720 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 01:09:09,720 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-08 01:09:09,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:09:09 BoogieIcfgContainer [2019-09-08 01:09:09,722 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 01:09:09,730 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 01:09:09,731 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 01:09:09,742 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 01:09:09,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 01:09:09" (1/3) ... [2019-09-08 01:09:09,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@249ec40c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:09:09, skipping insertion in model container [2019-09-08 01:09:09,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:09" (2/3) ... [2019-09-08 01:09:09,748 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@249ec40c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:09:09, skipping insertion in model container [2019-09-08 01:09:09,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:09:09" (3/3) ... [2019-09-08 01:09:09,750 INFO L109 eAbstractionObserver]: Analyzing ICFG newton_3_6.i [2019-09-08 01:09:09,781 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 01:09:09,795 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 01:09:09,834 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 01:09:09,872 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 01:09:09,873 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 01:09:09,873 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 01:09:09,873 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 01:09:09,873 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 01:09:09,874 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 01:09:09,874 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 01:09:09,874 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 01:09:09,874 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 01:09:09,891 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2019-09-08 01:09:09,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-09-08 01:09:09,898 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:09:09,899 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 01:09:09,900 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:09:09,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:09:09,905 INFO L82 PathProgramCache]: Analyzing trace with hash 122785517, now seen corresponding path program 1 times [2019-09-08 01:09:09,906 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:09:09,907 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:09:09,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:09:09,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:09:09,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:09:09,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:09:10,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:09:10,039 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 01:09:10,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 01:09:10 BoogieIcfgContainer [2019-09-08 01:09:10,064 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 01:09:10,067 INFO L168 Benchmark]: Toolchain (without parser) took 957.17 ms. Allocated memory was 134.2 MB in the beginning and 200.8 MB in the end (delta: 66.6 MB). Free memory was 89.3 MB in the beginning and 151.9 MB in the end (delta: -62.6 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-09-08 01:09:10,068 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 134.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-08 01:09:10,069 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.11 ms. Allocated memory is still 134.2 MB. Free memory was 89.1 MB in the beginning and 79.1 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-09-08 01:09:10,070 INFO L168 Benchmark]: Boogie Preprocessor took 126.96 ms. Allocated memory was 134.2 MB in the beginning and 200.8 MB in the end (delta: 66.6 MB). Free memory was 79.1 MB in the beginning and 177.3 MB in the end (delta: -98.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2019-09-08 01:09:10,071 INFO L168 Benchmark]: RCFGBuilder took 206.69 ms. Allocated memory is still 200.8 MB. Free memory was 177.3 MB in the beginning and 165.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-09-08 01:09:10,072 INFO L168 Benchmark]: TraceAbstraction took 334.03 ms. Allocated memory is still 200.8 MB. Free memory was 165.2 MB in the beginning and 151.9 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. [2019-09-08 01:09:10,077 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 134.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 278.11 ms. Allocated memory is still 134.2 MB. Free memory was 89.1 MB in the beginning and 79.1 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.96 ms. Allocated memory was 134.2 MB in the beginning and 200.8 MB in the end (delta: 66.6 MB). Free memory was 79.1 MB in the beginning and 177.3 MB in the end (delta: -98.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 206.69 ms. Allocated memory is still 200.8 MB. Free memory was 177.3 MB in the beginning and 165.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 334.03 ms. Allocated memory is still 200.8 MB. Free memory was 165.2 MB in the beginning and 151.9 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 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...