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 0.1.24-55cd5f5 [2019-08-14 19:46:45,835 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 19:46:45,837 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 19:46:45,849 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 19:46:45,849 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 19:46:45,850 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 19:46:45,852 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 19:46:45,854 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 19:46:45,855 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 19:46:45,856 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 19:46:45,857 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 19:46:45,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 19:46:45,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 19:46:45,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 19:46:45,860 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 19:46:45,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 19:46:45,862 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 19:46:45,863 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 19:46:45,865 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 19:46:45,867 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 19:46:45,868 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 19:46:45,869 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 19:46:45,871 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 19:46:45,871 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 19:46:45,873 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 19:46:45,874 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 19:46:45,874 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 19:46:45,875 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 19:46:45,875 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 19:46:45,876 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 19:46:45,876 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 19:46:45,877 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 19:46:45,878 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 19:46:45,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 19:46:45,879 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 19:46:45,880 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 19:46:45,880 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 19:46:45,880 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 19:46:45,881 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 19:46:45,881 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 19:46:45,882 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 19:46:45,883 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 19:46:45,897 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 19:46:45,897 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 19:46:45,898 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 19:46:45,899 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 19:46:45,899 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 19:46:45,899 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 19:46:45,899 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 19:46:45,900 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 19:46:45,900 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 19:46:45,900 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 19:46:45,900 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 19:46:45,900 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 19:46:45,901 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 19:46:45,901 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 19:46:45,901 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 19:46:45,901 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 19:46:45,901 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 19:46:45,902 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 19:46:45,902 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 19:46:45,902 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 19:46:45,902 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 19:46:45,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 19:46:45,903 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 19:46:45,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 19:46:45,903 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 19:46:45,903 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 19:46:45,904 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 19:46:45,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 19:46:45,904 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 19:46:45,933 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 19:46:45,946 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 19:46:45,949 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 19:46:45,951 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 19:46:45,951 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 19:46:45,952 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1231b.c [2019-08-14 19:46:46,027 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e21c792e3/acf8c6e8146d48cba30ef04a2bb18bc8/FLAG216f5a448 [2019-08-14 19:46:46,493 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 19:46:46,494 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1231b.c [2019-08-14 19:46:46,502 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e21c792e3/acf8c6e8146d48cba30ef04a2bb18bc8/FLAG216f5a448 [2019-08-14 19:46:46,872 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e21c792e3/acf8c6e8146d48cba30ef04a2bb18bc8 [2019-08-14 19:46:46,880 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 19:46:46,882 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 19:46:46,883 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 19:46:46,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 19:46:46,887 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 19:46:46,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 07:46:46" (1/1) ... [2019-08-14 19:46:46,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d37f68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:46:46, skipping insertion in model container [2019-08-14 19:46:46,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 07:46:46" (1/1) ... [2019-08-14 19:46:46,898 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 19:46:46,917 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 19:46:47,117 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 19:46:47,120 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 19:46:47,146 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 19:46:47,260 INFO L192 MainTranslator]: Completed translation [2019-08-14 19:46:47,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:46:47 WrapperNode [2019-08-14 19:46:47,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 19:46:47,262 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 19:46:47,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 19:46:47,263 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 19:46:47,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:46:47" (1/1) ... [2019-08-14 19:46:47,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:46:47" (1/1) ... [2019-08-14 19:46:47,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:46:47" (1/1) ... [2019-08-14 19:46:47,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:46:47" (1/1) ... [2019-08-14 19:46:47,311 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:46:47" (1/1) ... [2019-08-14 19:46:47,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:46:47" (1/1) ... [2019-08-14 19:46:47,319 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:46:47" (1/1) ... [2019-08-14 19:46:47,326 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 19:46:47,326 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 19:46:47,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 19:46:47,326 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 19:46:47,327 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:46:47" (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 19:46:47,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 19:46:47,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 19:46:47,384 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2019-08-14 19:46:47,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2019-08-14 19:46:47,384 INFO L138 BoogieDeclarations]: Found implementation of procedure fmin_double [2019-08-14 19:46:47,384 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 19:46:47,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 19:46:47,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2019-08-14 19:46:47,384 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2019-08-14 19:46:47,384 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2019-08-14 19:46:47,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-14 19:46:47,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-14 19:46:47,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-14 19:46:47,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-14 19:46:47,385 INFO L130 BoogieDeclarations]: Found specification of procedure fmin_double [2019-08-14 19:46:47,386 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 19:46:47,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 19:46:47,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 19:46:47,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-14 19:46:47,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-14 19:46:47,730 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 19:46:47,730 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-14 19:46:47,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 07:46:47 BoogieIcfgContainer [2019-08-14 19:46:47,732 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 19:46:47,732 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 19:46:47,732 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 19:46:47,732 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 19:46:47,733 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 07:46:47" (1/1) ... [2019-08-14 19:46:48,628 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 19:46:48,632 INFO L168 Benchmark]: Toolchain (without parser) took 1747.61 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 87.0 MB in the beginning and 88.1 MB in the end (delta: -1.1 MB). Peak memory consumption was 66.5 MB. Max. memory is 7.1 GB. [2019-08-14 19:46:48,633 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 19:46:48,635 INFO L168 Benchmark]: CACSL2BoogieTranslator took 378.87 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 86.8 MB in the beginning and 175.9 MB in the end (delta: -89.1 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2019-08-14 19:46:48,636 INFO L168 Benchmark]: Boogie Preprocessor took 63.54 ms. Allocated memory is still 199.2 MB. Free memory was 175.9 MB in the beginning and 173.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-08-14 19:46:48,642 INFO L168 Benchmark]: RCFGBuilder took 405.50 ms. Allocated memory is still 199.2 MB. Free memory was 173.5 MB in the beginning and 155.4 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 7.1 GB. [2019-08-14 19:46:48,643 INFO L168 Benchmark]: Symbolic Interpretation took 895.86 ms. Allocated memory is still 199.2 MB. Free memory was 154.8 MB in the beginning and 88.1 MB in the end (delta: 66.7 MB). Peak memory consumption was 66.7 MB. Max. memory is 7.1 GB. [2019-08-14 19:46:48,655 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: Over-approximation of reachable states at this location 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 0.22 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 378.87 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 86.8 MB in the beginning and 175.9 MB in the end (delta: -89.1 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 63.54 ms. Allocated memory is still 199.2 MB. Free memory was 175.9 MB in the beginning and 173.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 405.50 ms. Allocated memory is still 199.2 MB. Free memory was 173.5 MB in the beginning and 155.4 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 895.86 ms. Allocated memory is still 199.2 MB. Free memory was 154.8 MB in the beginning and 88.1 MB in the end (delta: 66.7 MB). Peak memory consumption was 66.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...