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_0720.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 01:53:23,202 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 01:53:23,204 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 01:53:23,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 01:53:23,219 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 01:53:23,220 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 01:53:23,222 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 01:53:23,225 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 01:53:23,230 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 01:53:23,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 01:53:23,232 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 01:53:23,233 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 01:53:23,233 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 01:53:23,234 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 01:53:23,237 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 01:53:23,238 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 01:53:23,240 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 01:53:23,241 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 01:53:23,245 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 01:53:23,248 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 01:53:23,252 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 01:53:23,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 01:53:23,257 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 01:53:23,259 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 01:53:23,262 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-10 01:53:23,268 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-10 01:53:23,270 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-10 01:53:23,270 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-10 01:53:23,272 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-10 01:53:23,274 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-10 01:53:23,274 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-10 01:53:23,275 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-10 01:53:23,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-10 01:53:23,276 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 01:53:23,277 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 01:53:23,278 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 01:53:23,279 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 [2019-08-10 01:53:23,306 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 01:53:23,306 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 01:53:23,308 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 01:53:23,308 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 01:53:23,309 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 01:53:23,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 01:53:23,309 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 01:53:23,309 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 01:53:23,310 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 01:53:23,310 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 01:53:23,310 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 01:53:23,310 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 01:53:23,310 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 01:53:23,311 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 01:53:23,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 01:53:23,311 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 01:53:23,311 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 01:53:23,311 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 01:53:23,312 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 01:53:23,312 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 01:53:23,312 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 01:53:23,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 01:53:23,312 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 01:53:23,313 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 01:53:23,313 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 01:53:23,313 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 01:53:23,313 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 01:53:23,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 01:53:23,314 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 01:53:23,358 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 01:53:23,371 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 01:53:23,374 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 01:53:23,376 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 01:53:23,376 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 01:53:23,377 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0720.c [2019-08-10 01:53:23,444 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5e61ec21/6931df6607784a309f8f64e07844f804/FLAGf5b202809 [2019-08-10 01:53:23,916 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 01:53:23,917 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0720.c [2019-08-10 01:53:23,927 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5e61ec21/6931df6607784a309f8f64e07844f804/FLAGf5b202809 [2019-08-10 01:53:24,331 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5e61ec21/6931df6607784a309f8f64e07844f804 [2019-08-10 01:53:24,340 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 01:53:24,341 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 01:53:24,342 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 01:53:24,342 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 01:53:24,345 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 01:53:24,346 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 01:53:24" (1/1) ... [2019-08-10 01:53:24,349 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ce0afc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:53:24, skipping insertion in model container [2019-08-10 01:53:24,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 01:53:24" (1/1) ... [2019-08-10 01:53:24,357 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 01:53:24,379 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 01:53:24,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 01:53:24,599 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 01:53:24,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 01:53:24,738 INFO L192 MainTranslator]: Completed translation [2019-08-10 01:53:24,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:53:24 WrapperNode [2019-08-10 01:53:24,739 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 01:53:24,739 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 01:53:24,739 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 01:53:24,740 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 01:53:24,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:53:24" (1/1) ... [2019-08-10 01:53:24,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:53:24" (1/1) ... [2019-08-10 01:53:24,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:53:24" (1/1) ... [2019-08-10 01:53:24,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:53:24" (1/1) ... [2019-08-10 01:53:24,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:53:24" (1/1) ... [2019-08-10 01:53:24,775 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:53:24" (1/1) ... [2019-08-10 01:53:24,777 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:53:24" (1/1) ... [2019-08-10 01:53:24,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 01:53:24,781 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 01:53:24,781 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 01:53:24,781 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 01:53:24,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:53:24" (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 [2019-08-10 01:53:24,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 01:53:24,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 01:53:24,838 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2019-08-10 01:53:24,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2019-08-10 01:53:24,838 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 01:53:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 01:53:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-10 01:53:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2019-08-10 01:53:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2019-08-10 01:53:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-10 01:53:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-10 01:53:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-10 01:53:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-10 01:53:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-10 01:53:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-10 01:53:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 01:53:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 01:53:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 01:53:25,197 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 01:53:25,197 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-08-10 01:53:25,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 01:53:25 BoogieIcfgContainer [2019-08-10 01:53:25,199 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 01:53:25,199 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 01:53:25,199 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 01:53:25,200 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 01:53:25,201 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 01:53:25" (1/1) ... [2019-08-10 01:53:25,565 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-08-10 01:53:25,718 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-08-10 01:53:26,182 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-08-10 01:53:27,428 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 01:53:27,436 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 01:53:27,438 INFO L168 Benchmark]: Toolchain (without parser) took 3096.76 ms. Allocated memory was 139.5 MB in the beginning and 262.1 MB in the end (delta: 122.7 MB). Free memory was 87.3 MB in the beginning and 115.2 MB in the end (delta: -27.9 MB). Peak memory consumption was 98.9 MB. Max. memory is 7.1 GB. [2019-08-10 01:53:27,443 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-10 01:53:27,444 INFO L168 Benchmark]: CACSL2BoogieTranslator took 397.14 ms. Allocated memory was 139.5 MB in the beginning and 198.7 MB in the end (delta: 59.2 MB). Free memory was 87.1 MB in the beginning and 175.2 MB in the end (delta: -88.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2019-08-10 01:53:27,445 INFO L168 Benchmark]: Boogie Preprocessor took 40.93 ms. Allocated memory is still 198.7 MB. Free memory was 175.2 MB in the beginning and 172.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-08-10 01:53:27,447 INFO L168 Benchmark]: RCFGBuilder took 418.30 ms. Allocated memory is still 198.7 MB. Free memory was 172.8 MB in the beginning and 153.1 MB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 7.1 GB. [2019-08-10 01:53:27,452 INFO L168 Benchmark]: Symbolic Interpretation took 2237.09 ms. Allocated memory was 198.7 MB in the beginning and 262.1 MB in the end (delta: 63.4 MB). Free memory was 153.1 MB in the beginning and 115.2 MB in the end (delta: 37.9 MB). Peak memory consumption was 105.4 MB. Max. memory is 7.1 GB. [2019-08-10 01:53:27,461 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 96]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable. Predicate 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 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 397.14 ms. Allocated memory was 139.5 MB in the beginning and 198.7 MB in the end (delta: 59.2 MB). Free memory was 87.1 MB in the beginning and 175.2 MB in the end (delta: -88.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.93 ms. Allocated memory is still 198.7 MB. Free memory was 175.2 MB in the beginning and 172.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 418.30 ms. Allocated memory is still 198.7 MB. Free memory was 172.8 MB in the beginning and 153.1 MB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 2237.09 ms. Allocated memory was 198.7 MB in the beginning and 262.1 MB in the end (delta: 63.4 MB). Free memory was 153.1 MB in the beginning and 115.2 MB in the end (delta: 37.9 MB). Peak memory consumption was 105.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...