java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/floats-cdfpl/newton_1_3.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 16:01:50,295 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 16:01:50,297 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 16:01:50,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 16:01:50,316 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 16:01:50,318 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 16:01:50,321 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 16:01:50,334 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 16:01:50,337 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 16:01:50,338 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 16:01:50,340 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 16:01:50,341 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 16:01:50,342 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 16:01:50,344 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 16:01:50,347 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 16:01:50,348 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 16:01:50,350 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 16:01:50,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 16:01:50,357 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 16:01:50,360 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 16:01:50,366 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 16:01:50,368 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 16:01:50,371 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 16:01:50,372 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 16:01:50,374 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 16:01:50,380 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 16:01:50,383 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 16:01:50,383 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 16:01:50,384 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 16:01:50,387 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 16:01:50,387 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 16:01:50,388 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 16:01:50,388 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 16:01:50,388 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 16:01:50,389 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 16:01:50,390 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 16:01:50,391 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-11 16:01:50,415 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 16:01:50,416 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 16:01:50,417 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 16:01:50,417 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 16:01:50,417 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 16:01:50,418 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 16:01:50,418 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 16:01:50,418 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 16:01:50,418 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 16:01:50,419 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 16:01:50,421 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 16:01:50,421 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 16:01:50,421 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 16:01:50,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 16:01:50,422 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 16:01:50,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 16:01:50,423 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 16:01:50,423 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 16:01:50,423 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 16:01:50,423 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 16:01:50,424 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 16:01:50,424 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 16:01:50,424 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 16:01:50,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:01:50,425 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 16:01:50,425 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 16:01:50,425 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 16:01:50,426 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 16:01:50,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 16:01:50,426 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 16:01:50,479 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 16:01:50,499 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 16:01:50,503 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 16:01:50,504 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 16:01:50,506 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 16:01:50,508 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/newton_1_3.i [2019-09-11 16:01:50,582 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b1f2706f/d5667af1a595447c9c5145fbbbe0f093/FLAGe0585c285 [2019-09-11 16:01:51,025 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 16:01:51,026 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/newton_1_3.i [2019-09-11 16:01:51,032 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b1f2706f/d5667af1a595447c9c5145fbbbe0f093/FLAGe0585c285 [2019-09-11 16:01:51,455 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b1f2706f/d5667af1a595447c9c5145fbbbe0f093 [2019-09-11 16:01:51,464 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 16:01:51,465 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 16:01:51,466 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 16:01:51,466 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 16:01:51,470 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 16:01:51,471 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:01:51" (1/1) ... [2019-09-11 16:01:51,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7da35d12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:01:51, skipping insertion in model container [2019-09-11 16:01:51,474 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:01:51" (1/1) ... [2019-09-11 16:01:51,482 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 16:01:51,500 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 16:01:51,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:01:51,675 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 16:01:51,691 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:01:51,787 INFO L192 MainTranslator]: Completed translation [2019-09-11 16:01:51,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:01:51 WrapperNode [2019-09-11 16:01:51,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 16:01:51,789 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 16:01:51,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 16:01:51,790 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 16:01:51,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:01:51" (1/1) ... [2019-09-11 16:01:51,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:01:51" (1/1) ... [2019-09-11 16:01:51,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:01:51" (1/1) ... [2019-09-11 16:01:51,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:01:51" (1/1) ... [2019-09-11 16:01:51,814 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:01:51" (1/1) ... [2019-09-11 16:01:51,816 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:01:51" (1/1) ... [2019-09-11 16:01:51,816 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:01:51" (1/1) ... [2019-09-11 16:01:51,818 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 16:01:51,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 16:01:51,819 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 16:01:51,819 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 16:01:51,820 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:01:51" (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 [2019-09-11 16:01:51,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 16:01:51,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 16:01:51,870 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-09-11 16:01:51,870 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2019-09-11 16:01:51,870 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 16:01:51,870 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 16:01:51,870 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 16:01:51,870 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-09-11 16:01:51,870 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-09-11 16:01:51,871 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2019-09-11 16:01:51,871 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 16:01:51,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 16:01:51,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 16:01:52,029 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 16:01:52,029 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 16:01:52,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:01:52 BoogieIcfgContainer [2019-09-11 16:01:52,033 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 16:01:52,034 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 16:01:52,034 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 16:01:52,034 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 16:01:52,035 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:01:52" (1/1) ... [2019-09-11 16:01:52,074 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 16:01:52,192 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator COMPLT has no precise implementation. [2019-09-11 16:01:52,194 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator COMPGT has no precise implementation. [2019-09-11 16:01:52,241 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 16:01:52,261 INFO L272 AbstractInterpreter]: Visited 22 different actions 22 times. Never merged. Never widened. Performed 13 root evaluator evaluations with a maximum evaluation depth of 8. Performed 13 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Never found a fixpoint. Largest state had 6 variables. [2019-09-11 16:01:52,261 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 16:01:52,264 INFO L168 Benchmark]: Toolchain (without parser) took 798.00 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 90.1 MB in the beginning and 156.4 MB in the end (delta: -66.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-11 16:01:52,266 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 16:01:52,267 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.74 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 89.9 MB in the beginning and 177.4 MB in the end (delta: -87.5 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2019-09-11 16:01:52,268 INFO L168 Benchmark]: Boogie Preprocessor took 28.77 ms. Allocated memory is still 199.8 MB. Free memory was 177.4 MB in the beginning and 175.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-09-11 16:01:52,269 INFO L168 Benchmark]: RCFGBuilder took 214.87 ms. Allocated memory is still 199.8 MB. Free memory was 175.2 MB in the beginning and 164.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-09-11 16:01:52,270 INFO L168 Benchmark]: Abstract Interpretation took 227.54 ms. Allocated memory is still 199.8 MB. Free memory was 164.3 MB in the beginning and 156.4 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 7.1 GB. [2019-09-11 16:01:52,274 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 322.74 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 89.9 MB in the beginning and 177.4 MB in the end (delta: -87.5 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 28.77 ms. Allocated memory is still 199.8 MB. Free memory was 177.4 MB in the beginning and 175.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 214.87 ms. Allocated memory is still 199.8 MB. Free memory was 175.2 MB in the beginning and 164.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 227.54 ms. Allocated memory is still 199.8 MB. Free memory was 164.3 MB in the beginning and 156.4 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 28]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L16] float IN = __VERIFIER_nondet_float(); [L19] CALL, EXPR f(IN) [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L19] RET, EXPR f(IN) [L19] CALL, EXPR fp(IN) [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L19] RET, EXPR fp(IN) [L19] float x = IN - f(IN)/fp(IN); [L27] COND TRUE !(x < 0.1) [L28] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...