java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0740.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 20:05:18,277 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 20:05:18,279 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 20:05:18,291 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 20:05:18,291 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 20:05:18,292 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 20:05:18,294 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 20:05:18,296 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 20:05:18,297 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 20:05:18,298 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 20:05:18,299 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 20:05:18,300 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 20:05:18,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 20:05:18,301 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 20:05:18,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 20:05:18,304 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 20:05:18,305 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 20:05:18,306 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 20:05:18,308 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 20:05:18,310 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 20:05:18,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 20:05:18,313 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 20:05:18,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 20:05:18,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 20:05:18,318 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 20:05:18,322 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 20:05:18,327 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 20:05:18,328 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 20:05:18,330 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 20:05:18,331 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 20:05:18,332 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 20:05:18,333 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 20:05:18,333 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 20:05:18,333 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 20:05:18,334 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 20:05:18,335 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 20:05:18,339 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 [2019-08-14 20:05:18,366 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 20:05:18,366 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 20:05:18,368 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 20:05:18,368 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 20:05:18,369 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 20:05:18,369 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 20:05:18,369 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 20:05:18,369 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 20:05:18,369 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 20:05:18,370 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 20:05:18,371 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 20:05:18,371 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 20:05:18,371 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 20:05:18,372 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 20:05:18,372 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 20:05:18,372 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 20:05:18,372 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 20:05:18,373 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 20:05:18,373 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 20:05:18,373 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 20:05:18,373 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 20:05:18,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 20:05:18,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 20:05:18,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 20:05:18,374 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 20:05:18,374 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 20:05:18,375 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 20:05:18,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 20:05:18,375 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 20:05:18,411 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 20:05:18,429 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 20:05:18,433 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 20:05:18,434 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 20:05:18,435 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 20:05:18,437 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0740.c [2019-08-14 20:05:18,499 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1edde6bee/8ac48a70c1e242ad91b75d3bb368a4d5/FLAGe3c6e784d [2019-08-14 20:05:18,911 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 20:05:18,912 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0740.c [2019-08-14 20:05:18,920 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1edde6bee/8ac48a70c1e242ad91b75d3bb368a4d5/FLAGe3c6e784d [2019-08-14 20:05:19,288 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1edde6bee/8ac48a70c1e242ad91b75d3bb368a4d5 [2019-08-14 20:05:19,298 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 20:05:19,300 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 20:05:19,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 20:05:19,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 20:05:19,304 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 20:05:19,305 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:05:19" (1/1) ... [2019-08-14 20:05:19,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2731b923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:05:19, skipping insertion in model container [2019-08-14 20:05:19,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:05:19" (1/1) ... [2019-08-14 20:05:19,316 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 20:05:19,339 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 20:05:19,592 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:05:19,597 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 20:05:19,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:05:19,752 INFO L192 MainTranslator]: Completed translation [2019-08-14 20:05:19,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:05:19 WrapperNode [2019-08-14 20:05:19,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 20:05:19,753 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 20:05:19,754 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 20:05:19,754 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 20:05:19,768 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:05:19" (1/1) ... [2019-08-14 20:05:19,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:05:19" (1/1) ... [2019-08-14 20:05:19,789 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:05:19" (1/1) ... [2019-08-14 20:05:19,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:05:19" (1/1) ... [2019-08-14 20:05:19,800 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:05:19" (1/1) ... [2019-08-14 20:05:19,806 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:05:19" (1/1) ... [2019-08-14 20:05:19,808 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:05:19" (1/1) ... [2019-08-14 20:05:19,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 20:05:19,812 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 20:05:19,812 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 20:05:19,812 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 20:05:19,813 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:05:19" (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 [2019-08-14 20:05:19,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 20:05:19,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 20:05:19,870 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2019-08-14 20:05:19,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2019-08-14 20:05:19,870 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 20:05:19,870 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 20:05:19,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-14 20:05:19,871 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2019-08-14 20:05:19,871 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2019-08-14 20:05:19,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-14 20:05:19,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-14 20:05:19,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-14 20:05:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-14 20:05:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-14 20:05:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-14 20:05:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 20:05:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 20:05:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 20:05:20,207 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 20:05:20,208 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-08-14 20:05:20,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:05:20 BoogieIcfgContainer [2019-08-14 20:05:20,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 20:05:20,215 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 20:05:20,215 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 20:05:20,216 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 20:05:20,217 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:05:20" (1/1) ... [2019-08-14 20:05:20,625 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-08-14 20:05:20,793 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-08-14 20:05:22,621 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 20:05:22,623 INFO L168 Benchmark]: Toolchain (without parser) took 3322.99 ms. Allocated memory was 138.9 MB in the beginning and 266.3 MB in the end (delta: 127.4 MB). Free memory was 86.5 MB in the beginning and 221.0 MB in the end (delta: -134.5 MB). Peak memory consumption was 130.6 MB. Max. memory is 7.1 GB. [2019-08-14 20:05:22,625 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 138.9 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 20:05:22,626 INFO L168 Benchmark]: CACSL2BoogieTranslator took 452.26 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 86.3 MB in the beginning and 177.5 MB in the end (delta: -91.2 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. [2019-08-14 20:05:22,629 INFO L168 Benchmark]: Boogie Preprocessor took 57.90 ms. Allocated memory is still 199.2 MB. Free memory was 177.5 MB in the beginning and 175.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-08-14 20:05:22,630 INFO L168 Benchmark]: RCFGBuilder took 403.01 ms. Allocated memory is still 199.2 MB. Free memory was 175.2 MB in the beginning and 154.3 MB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. [2019-08-14 20:05:22,634 INFO L168 Benchmark]: Symbolic Interpretation took 2405.99 ms. Allocated memory was 199.2 MB in the beginning and 266.3 MB in the end (delta: 67.1 MB). Free memory was 154.3 MB in the beginning and 221.0 MB in the end (delta: -66.8 MB). Peak memory consumption was 138.1 MB. Max. memory is 7.1 GB. [2019-08-14 20:05:22,643 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 97]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 330#(and (= 0 |#NULL.base|) (= ~tiny_sqrt~0 (/ 1.0 1000000000000000000000000000000.0)) (= 1.0 ~one_sqrt~0) (= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 138.9 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 452.26 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 86.3 MB in the beginning and 177.5 MB in the end (delta: -91.2 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 57.90 ms. Allocated memory is still 199.2 MB. Free memory was 177.5 MB in the beginning and 175.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 403.01 ms. Allocated memory is still 199.2 MB. Free memory was 175.2 MB in the beginning and 154.3 MB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 2405.99 ms. Allocated memory was 199.2 MB in the beginning and 266.3 MB in the end (delta: 67.1 MB). Free memory was 154.3 MB in the beginning and 221.0 MB in the end (delta: -66.8 MB). Peak memory consumption was 138.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...