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/float-benchs/nan_float_range.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 16:04:16,354 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 16:04:16,356 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 16:04:16,377 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 16:04:16,377 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 16:04:16,379 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 16:04:16,381 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 16:04:16,391 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 16:04:16,393 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 16:04:16,395 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 16:04:16,397 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 16:04:16,400 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 16:04:16,400 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 16:04:16,403 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 16:04:16,406 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 16:04:16,408 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 16:04:16,409 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 16:04:16,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 16:04:16,414 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 16:04:16,420 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 16:04:16,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 16:04:16,427 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 16:04:16,430 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 16:04:16,432 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 16:04:16,434 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 16:04:16,440 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 16:04:16,442 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 16:04:16,443 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 16:04:16,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 16:04:16,446 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 16:04:16,446 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 16:04:16,447 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 16:04:16,447 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 16:04:16,447 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 16:04:16,448 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 16:04:16,448 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 16:04:16,450 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 16:04:16,466 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 16:04:16,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 16:04:16,467 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 16:04:16,467 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 16:04:16,467 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 16:04:16,468 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 16:04:16,468 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 16:04:16,468 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 16:04:16,468 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 16:04:16,468 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 16:04:16,469 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 16:04:16,469 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 16:04:16,470 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 16:04:16,470 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 16:04:16,470 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 16:04:16,470 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 16:04:16,470 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 16:04:16,470 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 16:04:16,471 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 16:04:16,471 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 16:04:16,471 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 16:04:16,471 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 16:04:16,471 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 16:04:16,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:04:16,472 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 16:04:16,472 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 16:04:16,472 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 16:04:16,472 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 16:04:16,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 16:04:16,473 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 16:04:16,513 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 16:04:16,528 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 16:04:16,532 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 16:04:16,534 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 16:04:16,534 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 16:04:16,536 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/nan_float_range.c [2019-09-11 16:04:16,618 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/faf8a4030/901ae60b4f704d478b8f07adff9f3d47/FLAG90c186141 [2019-09-11 16:04:17,098 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 16:04:17,099 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/nan_float_range.c [2019-09-11 16:04:17,104 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/faf8a4030/901ae60b4f704d478b8f07adff9f3d47/FLAG90c186141 [2019-09-11 16:04:17,485 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/faf8a4030/901ae60b4f704d478b8f07adff9f3d47 [2019-09-11 16:04:17,497 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 16:04:17,499 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 16:04:17,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 16:04:17,502 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 16:04:17,505 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 16:04:17,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:04:17" (1/1) ... [2019-09-11 16:04:17,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63f255d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:17, skipping insertion in model container [2019-09-11 16:04:17,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:04:17" (1/1) ... [2019-09-11 16:04:17,517 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 16:04:17,535 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 16:04:17,760 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:04:17,769 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 16:04:17,792 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:04:17,817 INFO L192 MainTranslator]: Completed translation [2019-09-11 16:04:17,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:17 WrapperNode [2019-09-11 16:04:17,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 16:04:17,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 16:04:17,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 16:04:17,819 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 16:04:17,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:17" (1/1) ... [2019-09-11 16:04:17,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:17" (1/1) ... [2019-09-11 16:04:17,945 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:17" (1/1) ... [2019-09-11 16:04:17,945 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:17" (1/1) ... [2019-09-11 16:04:17,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:17" (1/1) ... [2019-09-11 16:04:17,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:17" (1/1) ... [2019-09-11 16:04:17,962 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:17" (1/1) ... [2019-09-11 16:04:17,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 16:04:17,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 16:04:17,964 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 16:04:17,964 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 16:04:17,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:17" (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 16:04:18,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 16:04:18,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 16:04:18,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-11 16:04:18,037 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 16:04:18,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 16:04:18,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-09-11 16:04:18,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-11 16:04:18,038 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 16:04:18,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 16:04:18,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 16:04:18,232 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 16:04:18,233 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 16:04:18,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:04:18 BoogieIcfgContainer [2019-09-11 16:04:18,235 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 16:04:18,236 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 16:04:18,237 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 16:04:18,237 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 16:04:18,238 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:04:18" (1/1) ... [2019-09-11 16:04:18,268 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 16:04:18,361 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator COMPLT has no precise implementation. [2019-09-11 16:04:18,362 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator COMPGT has no precise implementation. [2019-09-11 16:04:18,395 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 16:04:18,414 INFO L272 AbstractInterpreter]: Visited 19 different actions 22 times. Merged at 3 different actions 3 times. Never widened. Performed 13 root evaluator evaluations with a maximum evaluation depth of 3. Performed 13 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 3 variables. [2019-09-11 16:04:18,414 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 16:04:18,417 INFO L168 Benchmark]: Toolchain (without parser) took 917.39 ms. Allocated memory was 141.6 MB in the beginning and 201.3 MB in the end (delta: 59.8 MB). Free memory was 89.2 MB in the beginning and 160.9 MB in the end (delta: -71.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-11 16:04:18,418 INFO L168 Benchmark]: CDTParser took 1.24 ms. Allocated memory is still 141.6 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 16:04:18,419 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.77 ms. Allocated memory is still 141.6 MB. Free memory was 88.8 MB in the beginning and 79.9 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-09-11 16:04:18,420 INFO L168 Benchmark]: Boogie Preprocessor took 144.90 ms. Allocated memory was 141.6 MB in the beginning and 201.3 MB in the end (delta: 59.8 MB). Free memory was 79.9 MB in the beginning and 179.1 MB in the end (delta: -99.1 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-09-11 16:04:18,422 INFO L168 Benchmark]: RCFGBuilder took 270.98 ms. Allocated memory is still 201.3 MB. Free memory was 179.1 MB in the beginning and 168.6 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-09-11 16:04:18,422 INFO L168 Benchmark]: Abstract Interpretation took 178.51 ms. Allocated memory is still 201.3 MB. Free memory was 168.6 MB in the beginning and 160.9 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 7.1 GB. [2019-09-11 16:04:18,427 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.24 ms. Allocated memory is still 141.6 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 316.77 ms. Allocated memory is still 141.6 MB. Free memory was 88.8 MB in the beginning and 79.9 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 144.90 ms. Allocated memory was 141.6 MB in the beginning and 201.3 MB in the end (delta: 59.8 MB). Free memory was 79.9 MB in the beginning and 179.1 MB in the end (delta: -99.1 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 270.98 ms. Allocated memory is still 201.3 MB. Free memory was 179.1 MB in the beginning and 168.6 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 178.51 ms. Allocated memory is still 201.3 MB. Free memory was 168.6 MB in the beginning and 160.9 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 6]: 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: [L10] float x; [L11] x = __VERIFIER_nondet_float() [L13] COND TRUE x >= -1e10 && x <= 1e10 [L14] CALL __VERIFIER_assert(x==x) [L6] COND TRUE !(cond) [L6] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...