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_1230.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 01:35:10,695 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 01:35:10,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 01:35:10,710 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 01:35:10,710 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 01:35:10,712 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 01:35:10,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 01:35:10,715 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 01:35:10,717 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 01:35:10,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 01:35:10,719 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 01:35:10,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 01:35:10,720 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 01:35:10,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 01:35:10,722 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 01:35:10,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 01:35:10,724 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 01:35:10,725 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 01:35:10,727 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 01:35:10,729 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 01:35:10,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 01:35:10,732 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 01:35:10,733 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 01:35:10,734 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 01:35:10,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-10 01:35:10,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 01:35:10,745 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 01:35:10,746 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 01:35:10,747 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 01:35:10,761 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 01:35:10,761 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 01:35:10,762 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 01:35:10,763 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 01:35:10,763 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 01:35:10,763 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 01:35:10,763 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 01:35:10,764 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 01:35:10,764 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 01:35:10,764 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 01:35:10,764 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 01:35:10,764 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 01:35:10,765 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 01:35:10,765 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 01:35:10,765 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 01:35:10,765 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 01:35:10,766 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 01:35:10,766 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 01:35:10,766 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 01:35:10,766 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 01:35:10,766 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 01:35:10,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 01:35:10,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 01:35:10,767 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 01:35:10,767 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 01:35:10,768 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 01:35:10,768 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 01:35:10,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 01:35:10,768 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 01:35:10,797 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 01:35:10,811 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 01:35:10,814 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 01:35:10,816 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 01:35:10,816 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 01:35:10,817 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1230.c [2019-08-10 01:35:10,884 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6719ccfda/d464cb0af58343b09b189e20160b80ba/FLAGbce790c68 [2019-08-10 01:35:11,326 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 01:35:11,327 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1230.c [2019-08-10 01:35:11,335 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6719ccfda/d464cb0af58343b09b189e20160b80ba/FLAGbce790c68 [2019-08-10 01:35:11,693 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6719ccfda/d464cb0af58343b09b189e20160b80ba [2019-08-10 01:35:11,702 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 01:35:11,704 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 01:35:11,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 01:35:11,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 01:35:11,709 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 01:35:11,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 01:35:11" (1/1) ... [2019-08-10 01:35:11,713 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67a9a871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:35:11, skipping insertion in model container [2019-08-10 01:35:11,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 01:35:11" (1/1) ... [2019-08-10 01:35:11,721 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 01:35:11,739 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 01:35:11,955 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 01:35:11,959 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 01:35:12,008 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 01:35:12,117 INFO L192 MainTranslator]: Completed translation [2019-08-10 01:35:12,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:35:12 WrapperNode [2019-08-10 01:35:12,118 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 01:35:12,119 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 01:35:12,119 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 01:35:12,119 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 01:35:12,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:35:12" (1/1) ... [2019-08-10 01:35:12,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:35:12" (1/1) ... [2019-08-10 01:35:12,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:35:12" (1/1) ... [2019-08-10 01:35:12,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:35:12" (1/1) ... [2019-08-10 01:35:12,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:35:12" (1/1) ... [2019-08-10 01:35:12,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:35:12" (1/1) ... [2019-08-10 01:35:12,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:35:12" (1/1) ... [2019-08-10 01:35:12,178 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 01:35:12,179 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 01:35:12,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 01:35:12,179 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 01:35:12,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:35:12" (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 01:35:12,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 01:35:12,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 01:35:12,227 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2019-08-10 01:35:12,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2019-08-10 01:35:12,227 INFO L138 BoogieDeclarations]: Found implementation of procedure fmin_double [2019-08-10 01:35:12,227 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 01:35:12,227 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 01:35:12,227 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2019-08-10 01:35:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2019-08-10 01:35:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2019-08-10 01:35:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-10 01:35:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-10 01:35:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-10 01:35:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-10 01:35:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure fmin_double [2019-08-10 01:35:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 01:35:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 01:35:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 01:35:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-10 01:35:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-10 01:35:12,561 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 01:35:12,562 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-10 01:35:12,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 01:35:12 BoogieIcfgContainer [2019-08-10 01:35:12,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 01:35:12,566 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 01:35:12,566 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 01:35:12,566 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 01:35:12,567 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 01:35:12" (1/1) ... [2019-08-10 01:35:13,464 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 01:35:13,472 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 01:35:13,476 INFO L168 Benchmark]: Toolchain (without parser) took 1770.37 ms. Allocated memory was 141.0 MB in the beginning and 199.2 MB in the end (delta: 58.2 MB). Free memory was 88.9 MB in the beginning and 91.2 MB in the end (delta: -2.4 MB). Peak memory consumption was 55.8 MB. Max. memory is 7.1 GB. [2019-08-10 01:35:13,477 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 141.0 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-10 01:35:13,479 INFO L168 Benchmark]: CACSL2BoogieTranslator took 413.19 ms. Allocated memory was 141.0 MB in the beginning and 199.2 MB in the end (delta: 58.2 MB). Free memory was 88.4 MB in the beginning and 178.7 MB in the end (delta: -90.3 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. [2019-08-10 01:35:13,480 INFO L168 Benchmark]: Boogie Preprocessor took 59.74 ms. Allocated memory is still 199.2 MB. Free memory was 178.7 MB in the beginning and 175.4 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2019-08-10 01:35:13,486 INFO L168 Benchmark]: RCFGBuilder took 384.35 ms. Allocated memory is still 199.2 MB. Free memory was 175.4 MB in the beginning and 157.6 MB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 7.1 GB. [2019-08-10 01:35:13,487 INFO L168 Benchmark]: Symbolic Interpretation took 906.79 ms. Allocated memory is still 199.2 MB. Free memory was 157.6 MB in the beginning and 91.2 MB in the end (delta: 66.3 MB). Peak memory consumption was 66.3 MB. Max. memory is 7.1 GB. [2019-08-10 01:35:13,499 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 66]: 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 115#(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 0.25 ms. Allocated memory is still 141.0 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 413.19 ms. Allocated memory was 141.0 MB in the beginning and 199.2 MB in the end (delta: 58.2 MB). Free memory was 88.4 MB in the beginning and 178.7 MB in the end (delta: -90.3 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 59.74 ms. Allocated memory is still 199.2 MB. Free memory was 178.7 MB in the beginning and 175.4 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 384.35 ms. Allocated memory is still 199.2 MB. Free memory was 175.4 MB in the beginning and 157.6 MB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 906.79 ms. Allocated memory is still 199.2 MB. Free memory was 157.6 MB in the beginning and 91.2 MB in the end (delta: 66.3 MB). Peak memory consumption was 66.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...