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_1230.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 01:55:33,510 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 01:55:33,512 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 01:55:33,524 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 01:55:33,525 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 01:55:33,526 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 01:55:33,527 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 01:55:33,529 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 01:55:33,531 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 01:55:33,532 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 01:55:33,533 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 01:55:33,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 01:55:33,534 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 01:55:33,535 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 01:55:33,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 01:55:33,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 01:55:33,539 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 01:55:33,540 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 01:55:33,541 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 01:55:33,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 01:55:33,545 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 01:55:33,546 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 01:55:33,548 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 01:55:33,549 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 01:55:33,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-10 01:55:33,554 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-10 01:55:33,555 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-10 01:55:33,556 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-10 01:55:33,557 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-10 01:55:33,558 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-10 01:55:33,558 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-10 01:55:33,559 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-10 01:55:33,559 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-10 01:55:33,559 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 01:55:33,560 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 01:55:33,561 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 01:55:33,561 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 01:55:33,576 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 01:55:33,577 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 01:55:33,578 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 01:55:33,578 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 01:55:33,578 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 01:55:33,578 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 01:55:33,579 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 01:55:33,579 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 01:55:33,579 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 01:55:33,579 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 01:55:33,579 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 01:55:33,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 01:55:33,580 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 01:55:33,580 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 01:55:33,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 01:55:33,580 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 01:55:33,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 01:55:33,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 01:55:33,581 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 01:55:33,581 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 01:55:33,581 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 01:55:33,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 01:55:33,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 01:55:33,582 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 01:55:33,582 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 01:55:33,582 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 01:55:33,583 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 01:55:33,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 01:55:33,583 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 01:55:33,613 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 01:55:33,629 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 01:55:33,634 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 01:55:33,635 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 01:55:33,636 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 01:55:33,637 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1230.c [2019-08-10 01:55:33,709 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24dce4295/0eafbbf86d2f465f99ae1e82f4b5e071/FLAGa3c5995ed [2019-08-10 01:55:34,164 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 01:55:34,167 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1230.c [2019-08-10 01:55:34,177 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24dce4295/0eafbbf86d2f465f99ae1e82f4b5e071/FLAGa3c5995ed [2019-08-10 01:55:34,542 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24dce4295/0eafbbf86d2f465f99ae1e82f4b5e071 [2019-08-10 01:55:34,551 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 01:55:34,552 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 01:55:34,554 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 01:55:34,554 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 01:55:34,557 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 01:55:34,558 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 01:55:34" (1/1) ... [2019-08-10 01:55:34,561 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41981a68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:55:34, skipping insertion in model container [2019-08-10 01:55:34,561 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 01:55:34" (1/1) ... [2019-08-10 01:55:34,569 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 01:55:34,588 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 01:55:34,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 01:55:34,800 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 01:55:34,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 01:55:34,845 INFO L192 MainTranslator]: Completed translation [2019-08-10 01:55:34,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:55:34 WrapperNode [2019-08-10 01:55:34,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 01:55:34,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 01:55:34,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 01:55:34,847 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 01:55:34,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:55:34" (1/1) ... [2019-08-10 01:55:34,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:55:34" (1/1) ... [2019-08-10 01:55:34,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:55:34" (1/1) ... [2019-08-10 01:55:34,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:55:34" (1/1) ... [2019-08-10 01:55:34,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:55:34" (1/1) ... [2019-08-10 01:55:34,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:55:34" (1/1) ... [2019-08-10 01:55:34,976 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:55:34" (1/1) ... [2019-08-10 01:55:34,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 01:55:34,980 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 01:55:34,980 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 01:55:34,980 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 01:55:34,981 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:55:34" (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 01:55:35,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 01:55:35,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 01:55:35,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2019-08-10 01:55:35,038 INFO L138 BoogieDeclarations]: Found implementation of procedure fmin_float [2019-08-10 01:55:35,038 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2019-08-10 01:55:35,038 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 01:55:35,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 01:55:35,039 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2019-08-10 01:55:35,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-10 01:55:35,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-10 01:55:35,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-10 01:55:35,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-10 01:55:35,040 INFO L130 BoogieDeclarations]: Found specification of procedure fmin_float [2019-08-10 01:55:35,040 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2019-08-10 01:55:35,040 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 01:55:35,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 01:55:35,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 01:55:35,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-10 01:55:35,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-10 01:55:35,329 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 01:55:35,329 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-10 01:55:35,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 01:55:35 BoogieIcfgContainer [2019-08-10 01:55:35,332 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 01:55:35,343 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 01:55:35,343 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 01:55:35,343 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 01:55:35,345 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 01:55:35" (1/1) ... [2019-08-10 01:55:36,072 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 01:55:36,081 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 01:55:36,085 INFO L168 Benchmark]: Toolchain (without parser) took 1530.02 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 89.1 MB in the beginning and 109.4 MB in the end (delta: -20.3 MB). Peak memory consumption was 46.8 MB. Max. memory is 7.1 GB. [2019-08-10 01:55:36,086 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-10 01:55:36,087 INFO L168 Benchmark]: CACSL2BoogieTranslator took 292.55 ms. Allocated memory is still 133.2 MB. Free memory was 88.9 MB in the beginning and 77.9 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2019-08-10 01:55:36,089 INFO L168 Benchmark]: Boogie Preprocessor took 132.91 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 77.9 MB in the beginning and 176.0 MB in the end (delta: -98.1 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-08-10 01:55:36,090 INFO L168 Benchmark]: RCFGBuilder took 352.44 ms. Allocated memory is still 200.3 MB. Free memory was 176.0 MB in the beginning and 158.6 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. [2019-08-10 01:55:36,097 INFO L168 Benchmark]: Symbolic Interpretation took 738.17 ms. Allocated memory is still 200.3 MB. Free memory was 158.6 MB in the beginning and 109.4 MB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 7.1 GB. [2019-08-10 01:55:36,109 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 59]: 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 79#(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 0.38 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 292.55 ms. Allocated memory is still 133.2 MB. Free memory was 88.9 MB in the beginning and 77.9 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.91 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 77.9 MB in the beginning and 176.0 MB in the end (delta: -98.1 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 352.44 ms. Allocated memory is still 200.3 MB. Free memory was 176.0 MB in the beginning and 158.6 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 738.17 ms. Allocated memory is still 200.3 MB. Free memory was 158.6 MB in the beginning and 109.4 MB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...