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/double_req_bl_1231b.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 01:35:15,008 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 01:35:15,010 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 01:35:15,022 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 01:35:15,022 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 01:35:15,023 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 01:35:15,025 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 01:35:15,026 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 01:35:15,028 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 01:35:15,029 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 01:35:15,030 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 01:35:15,031 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 01:35:15,032 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 01:35:15,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 01:35:15,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 01:35:15,035 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 01:35:15,035 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 01:35:15,036 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 01:35:15,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 01:35:15,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 01:35:15,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 01:35:15,043 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 01:35:15,044 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 01:35:15,045 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 01:35:15,047 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-10 01:35:15,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-10 01:35:15,050 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-10 01:35:15,051 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-10 01:35:15,052 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-10 01:35:15,053 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-10 01:35:15,053 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-10 01:35:15,054 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-10 01:35:15,054 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-10 01:35:15,054 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 01:35:15,055 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 01:35:15,056 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 01:35:15,057 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 01:35:15,071 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 01:35:15,071 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 01:35:15,072 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 01:35:15,073 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 01:35:15,073 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 01:35:15,073 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 01:35:15,073 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 01:35:15,073 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 01:35:15,074 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 01:35:15,074 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 01:35:15,074 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 01:35:15,074 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 01:35:15,074 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 01:35:15,075 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 01:35:15,075 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 01:35:15,075 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 01:35:15,075 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 01:35:15,075 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 01:35:15,076 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 01:35:15,076 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 01:35:15,076 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 01:35:15,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 01:35:15,076 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 01:35:15,077 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 01:35:15,077 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 01:35:15,077 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 01:35:15,077 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 01:35:15,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 01:35:15,078 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 01:35:15,105 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 01:35:15,118 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 01:35:15,121 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 01:35:15,123 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 01:35:15,123 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 01:35:15,124 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1231b.c [2019-08-10 01:35:15,191 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c47c65edd/243fde423b7e4eafa5c29ede83dbbc69/FLAG0ade104bb [2019-08-10 01:35:15,651 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 01:35:15,653 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1231b.c [2019-08-10 01:35:15,662 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c47c65edd/243fde423b7e4eafa5c29ede83dbbc69/FLAG0ade104bb [2019-08-10 01:35:15,997 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c47c65edd/243fde423b7e4eafa5c29ede83dbbc69 [2019-08-10 01:35:16,009 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 01:35:16,011 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 01:35:16,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 01:35:16,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 01:35:16,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 01:35:16,018 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 01:35:15" (1/1) ... [2019-08-10 01:35:16,021 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@455baa5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:35:16, skipping insertion in model container [2019-08-10 01:35:16,021 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 01:35:15" (1/1) ... [2019-08-10 01:35:16,029 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 01:35:16,048 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 01:35:16,241 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 01:35:16,245 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 01:35:16,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 01:35:16,388 INFO L192 MainTranslator]: Completed translation [2019-08-10 01:35:16,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:35:16 WrapperNode [2019-08-10 01:35:16,388 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 01:35:16,389 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 01:35:16,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 01:35:16,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 01:35:16,399 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:35:16" (1/1) ... [2019-08-10 01:35:16,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:35:16" (1/1) ... [2019-08-10 01:35:16,407 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:35:16" (1/1) ... [2019-08-10 01:35:16,407 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:35:16" (1/1) ... [2019-08-10 01:35:16,424 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:35:16" (1/1) ... [2019-08-10 01:35:16,430 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:35:16" (1/1) ... [2019-08-10 01:35:16,432 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:35:16" (1/1) ... [2019-08-10 01:35:16,435 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 01:35:16,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 01:35:16,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 01:35:16,436 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 01:35:16,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:35:16" (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 01:35:16,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 01:35:16,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 01:35:16,500 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2019-08-10 01:35:16,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2019-08-10 01:35:16,500 INFO L138 BoogieDeclarations]: Found implementation of procedure fmin_double [2019-08-10 01:35:16,500 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 01:35:16,500 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 01:35:16,501 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2019-08-10 01:35:16,501 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2019-08-10 01:35:16,501 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2019-08-10 01:35:16,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-10 01:35:16,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-10 01:35:16,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-10 01:35:16,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-10 01:35:16,502 INFO L130 BoogieDeclarations]: Found specification of procedure fmin_double [2019-08-10 01:35:16,502 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 01:35:16,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 01:35:16,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 01:35:16,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-10 01:35:16,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-10 01:35:16,834 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 01:35:16,835 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-10 01:35:16,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 01:35:16 BoogieIcfgContainer [2019-08-10 01:35:16,836 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 01:35:16,837 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 01:35:16,837 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 01:35:16,837 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 01:35:16,838 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 01:35:16" (1/1) ... [2019-08-10 01:35:17,699 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 01:35:17,707 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 01:35:17,709 INFO L168 Benchmark]: Toolchain (without parser) took 1697.79 ms. Allocated memory was 134.7 MB in the beginning and 199.8 MB in the end (delta: 65.0 MB). Free memory was 85.2 MB in the beginning and 90.5 MB in the end (delta: -5.3 MB). Peak memory consumption was 59.7 MB. Max. memory is 7.1 GB. [2019-08-10 01:35:17,710 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 134.7 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-10 01:35:17,711 INFO L168 Benchmark]: CACSL2BoogieTranslator took 375.22 ms. Allocated memory was 134.7 MB in the beginning and 199.8 MB in the end (delta: 65.0 MB). Free memory was 85.0 MB in the beginning and 177.6 MB in the end (delta: -92.6 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2019-08-10 01:35:17,712 INFO L168 Benchmark]: Boogie Preprocessor took 46.25 ms. Allocated memory is still 199.8 MB. Free memory was 177.6 MB in the beginning and 175.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-10 01:35:17,713 INFO L168 Benchmark]: RCFGBuilder took 401.03 ms. Allocated memory is still 199.8 MB. Free memory was 175.3 MB in the beginning and 157.1 MB in the end (delta: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 7.1 GB. [2019-08-10 01:35:17,713 INFO L168 Benchmark]: Symbolic Interpretation took 870.02 ms. Allocated memory is still 199.8 MB. Free memory was 157.1 MB in the beginning and 90.5 MB in the end (delta: 66.6 MB). Peak memory consumption was 66.6 MB. Max. memory is 7.1 GB. [2019-08-10 01:35:17,717 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 68]: 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 116#(and (or (= main_~res~0 main_~y~0) (= main_~res~0 main_~x~0)) (= 0 |#NULL.base|) (= |#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 0.23 ms. Allocated memory is still 134.7 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 375.22 ms. Allocated memory was 134.7 MB in the beginning and 199.8 MB in the end (delta: 65.0 MB). Free memory was 85.0 MB in the beginning and 177.6 MB in the end (delta: -92.6 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.25 ms. Allocated memory is still 199.8 MB. Free memory was 177.6 MB in the beginning and 175.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 401.03 ms. Allocated memory is still 199.8 MB. Free memory was 175.3 MB in the beginning and 157.1 MB in the end (delta: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 870.02 ms. Allocated memory is still 199.8 MB. Free memory was 157.1 MB in the beginning and 90.5 MB in the end (delta: 66.6 MB). Peak memory consumption was 66.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...