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_1250.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 01:35:21,580 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 01:35:21,582 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 01:35:21,593 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 01:35:21,594 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 01:35:21,595 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 01:35:21,596 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 01:35:21,598 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 01:35:21,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 01:35:21,600 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 01:35:21,601 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 01:35:21,602 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 01:35:21,603 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 01:35:21,604 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 01:35:21,604 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 01:35:21,606 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 01:35:21,606 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 01:35:21,607 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 01:35:21,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 01:35:21,611 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 01:35:21,613 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 01:35:21,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 01:35:21,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 01:35:21,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 01:35:21,618 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-10 01:35:21,621 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-10 01:35:21,622 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-10 01:35:21,622 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-10 01:35:21,623 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-10 01:35:21,624 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-10 01:35:21,624 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-10 01:35:21,625 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-10 01:35:21,625 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-10 01:35:21,626 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 01:35:21,626 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 01:35:21,627 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 01:35:21,628 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 01:35:21,642 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 01:35:21,642 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 01:35:21,644 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 01:35:21,644 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 01:35:21,644 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 01:35:21,644 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 01:35:21,644 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 01:35:21,645 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 01:35:21,645 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 01:35:21,645 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 01:35:21,645 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 01:35:21,645 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 01:35:21,646 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 01:35:21,646 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 01:35:21,646 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 01:35:21,646 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 01:35:21,646 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 01:35:21,647 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 01:35:21,647 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 01:35:21,647 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 01:35:21,647 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 01:35:21,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 01:35:21,648 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 01:35:21,648 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 01:35:21,648 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 01:35:21,648 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 01:35:21,648 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 01:35:21,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 01:35:21,649 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 01:35:21,682 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 01:35:21,693 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 01:35:21,697 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 01:35:21,698 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 01:35:21,698 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 01:35:21,699 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1250.c [2019-08-10 01:35:21,759 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c228f1dd4/c9b389e4f2684d67ad370757fa83e70e/FLAG098d11a8c [2019-08-10 01:35:22,225 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 01:35:22,225 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1250.c [2019-08-10 01:35:22,235 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c228f1dd4/c9b389e4f2684d67ad370757fa83e70e/FLAG098d11a8c [2019-08-10 01:35:22,561 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c228f1dd4/c9b389e4f2684d67ad370757fa83e70e [2019-08-10 01:35:22,575 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 01:35:22,580 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 01:35:22,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 01:35:22,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 01:35:22,588 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 01:35:22,589 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 01:35:22" (1/1) ... [2019-08-10 01:35:22,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cf973e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:35:22, skipping insertion in model container [2019-08-10 01:35:22,592 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 01:35:22" (1/1) ... [2019-08-10 01:35:22,600 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 01:35:22,619 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 01:35:22,786 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 01:35:22,790 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 01:35:22,820 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 01:35:22,844 INFO L192 MainTranslator]: Completed translation [2019-08-10 01:35:22,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:35:22 WrapperNode [2019-08-10 01:35:22,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 01:35:22,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 01:35:22,846 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 01:35:22,846 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 01:35:22,951 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:35:22" (1/1) ... [2019-08-10 01:35:22,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:35:22" (1/1) ... [2019-08-10 01:35:22,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:35:22" (1/1) ... [2019-08-10 01:35:22,961 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:35:22" (1/1) ... [2019-08-10 01:35:22,971 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:35:22" (1/1) ... [2019-08-10 01:35:22,977 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:35:22" (1/1) ... [2019-08-10 01:35:22,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:35:22" (1/1) ... [2019-08-10 01:35:22,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 01:35:22,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 01:35:22,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 01:35:22,982 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 01:35:22,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:35:22" (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 01:35:23,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 01:35:23,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 01:35:23,043 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2019-08-10 01:35:23,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2019-08-10 01:35:23,043 INFO L138 BoogieDeclarations]: Found implementation of procedure fmax_double [2019-08-10 01:35:23,043 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 01:35:23,043 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 01:35:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2019-08-10 01:35:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2019-08-10 01:35:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2019-08-10 01:35:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-10 01:35:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-10 01:35:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-10 01:35:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-10 01:35:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure fmax_double [2019-08-10 01:35:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 01:35:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 01:35:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 01:35:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-10 01:35:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-10 01:35:23,377 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 01:35:23,377 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-10 01:35:23,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 01:35:23 BoogieIcfgContainer [2019-08-10 01:35:23,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 01:35:23,379 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 01:35:23,379 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 01:35:23,379 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 01:35:23,380 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 01:35:23" (1/1) ... [2019-08-10 01:35:24,269 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 01:35:24,277 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 01:35:24,281 INFO L168 Benchmark]: Toolchain (without parser) took 1702.41 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 88.6 MB in the beginning and 92.3 MB in the end (delta: -3.7 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. [2019-08-10 01:35:24,282 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 134.2 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-10 01:35:24,284 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.48 ms. Allocated memory is still 134.2 MB. Free memory was 88.4 MB in the beginning and 77.6 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2019-08-10 01:35:24,285 INFO L168 Benchmark]: Boogie Preprocessor took 135.60 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 77.6 MB in the beginning and 177.1 MB in the end (delta: -99.5 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-08-10 01:35:24,291 INFO L168 Benchmark]: RCFGBuilder took 396.88 ms. Allocated memory is still 201.3 MB. Free memory was 177.1 MB in the beginning and 159.5 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 7.1 GB. [2019-08-10 01:35:24,292 INFO L168 Benchmark]: Symbolic Interpretation took 898.46 ms. Allocated memory is still 201.3 MB. Free memory was 159.5 MB in the beginning and 92.3 MB in the end (delta: 67.1 MB). Peak memory consumption was 67.1 MB. Max. memory is 7.1 GB. [2019-08-10 01:35:24,300 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 72]: 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 113#(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 134.2 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 264.48 ms. Allocated memory is still 134.2 MB. Free memory was 88.4 MB in the beginning and 77.6 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 135.60 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 77.6 MB in the beginning and 177.1 MB in the end (delta: -99.5 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 396.88 ms. Allocated memory is still 201.3 MB. Free memory was 177.1 MB in the beginning and 159.5 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 898.46 ms. Allocated memory is still 201.3 MB. Free memory was 159.5 MB in the beginning and 92.3 MB in the end (delta: 67.1 MB). Peak memory consumption was 67.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...