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 0.1.24-55cd5f5 [2019-08-14 19:46:45,650 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 19:46:45,651 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 19:46:45,668 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 19:46:45,668 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 19:46:45,670 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 19:46:45,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 19:46:45,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 19:46:45,685 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 19:46:45,686 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 19:46:45,687 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 19:46:45,688 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 19:46:45,688 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 19:46:45,689 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 19:46:45,690 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 19:46:45,691 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 19:46:45,692 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 19:46:45,693 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 19:46:45,694 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 19:46:45,696 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 19:46:45,698 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 19:46:45,699 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 19:46:45,700 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 19:46:45,700 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 19:46:45,702 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 19:46:45,703 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 19:46:45,703 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 19:46:45,704 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 19:46:45,704 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 19:46:45,705 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 19:46:45,705 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 19:46:45,706 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 19:46:45,706 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 19:46:45,707 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 19:46:45,708 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 19:46:45,708 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 19:46:45,709 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 19:46:45,709 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 19:46:45,709 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 19:46:45,710 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 19:46:45,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 19:46:45,712 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 19:46:45,725 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 19:46:45,725 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 19:46:45,726 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 19:46:45,727 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 19:46:45,727 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 19:46:45,727 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 19:46:45,727 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 19:46:45,728 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 19:46:45,728 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 19:46:45,728 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 19:46:45,728 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 19:46:45,728 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 19:46:45,728 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 19:46:45,729 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 19:46:45,729 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 19:46:45,729 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 19:46:45,729 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 19:46:45,729 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 19:46:45,730 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 19:46:45,730 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 19:46:45,730 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 19:46:45,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 19:46:45,731 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 19:46:45,731 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 19:46:45,731 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 19:46:45,731 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 19:46:45,731 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 19:46:45,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 19:46:45,732 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 19:46:45,762 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 19:46:45,775 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 19:46:45,778 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 19:46:45,779 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 19:46:45,779 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 19:46:45,780 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1230.c [2019-08-14 19:46:45,847 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0273ad2a9/3b250e7a1c6d4b3d8a11324666890f28/FLAG904f70d06 [2019-08-14 19:46:46,267 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 19:46:46,268 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1230.c [2019-08-14 19:46:46,275 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0273ad2a9/3b250e7a1c6d4b3d8a11324666890f28/FLAG904f70d06 [2019-08-14 19:46:46,673 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0273ad2a9/3b250e7a1c6d4b3d8a11324666890f28 [2019-08-14 19:46:46,683 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 19:46:46,685 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 19:46:46,685 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 19:46:46,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 19:46:46,688 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 19:46:46,689 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 07:46:46" (1/1) ... [2019-08-14 19:46:46,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11670a35 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 19:46:46,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 07:46:46" (1/1) ... [2019-08-14 19:46:46,699 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 19:46:46,717 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 19:46:46,912 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 19:46:46,916 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 19:46:46,944 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 19:46:47,046 INFO L192 MainTranslator]: Completed translation [2019-08-14 19:46:47,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:46:47 WrapperNode [2019-08-14 19:46:47,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 19:46:47,047 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 19:46:47,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 19:46:47,047 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 19:46:47,057 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 19:46:47,057 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 19:46:47,065 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 19:46:47,065 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 19:46:47,075 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 19:46:47,080 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 19:46:47,081 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 19:46:47,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 19:46:47,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 19:46:47,087 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 19:46:47,087 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 19:46:47,088 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 19:46:47,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 19:46:47,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 19:46:47,141 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2019-08-14 19:46:47,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2019-08-14 19:46:47,142 INFO L138 BoogieDeclarations]: Found implementation of procedure fmin_double [2019-08-14 19:46:47,142 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 19:46:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 19:46:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2019-08-14 19:46:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2019-08-14 19:46:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2019-08-14 19:46:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-14 19:46:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-14 19:46:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-14 19:46:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-14 19:46:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure fmin_double [2019-08-14 19:46:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 19:46:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 19:46:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 19:46:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-14 19:46:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-14 19:46:47,481 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 19:46:47,482 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-14 19:46:47,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 07:46:47 BoogieIcfgContainer [2019-08-14 19:46:47,483 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 19:46:47,484 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 19:46:47,484 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 19:46:47,484 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 19:46:47,485 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 19:46:48,385 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 19:46:48,387 INFO L168 Benchmark]: Toolchain (without parser) took 1702.15 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 87.3 MB in the beginning and 88.5 MB in the end (delta: -1.2 MB). Peak memory consumption was 65.4 MB. Max. memory is 7.1 GB. [2019-08-14 19:46:48,389 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 132.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 19:46:48,390 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.14 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 87.1 MB in the beginning and 176.0 MB in the end (delta: -88.9 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2019-08-14 19:46:48,391 INFO L168 Benchmark]: Boogie Preprocessor took 39.30 ms. Allocated memory is still 199.2 MB. Free memory was 176.0 MB in the beginning and 174.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-08-14 19:46:48,391 INFO L168 Benchmark]: RCFGBuilder took 396.91 ms. Allocated memory is still 199.2 MB. Free memory was 174.2 MB in the beginning and 155.5 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2019-08-14 19:46:48,392 INFO L168 Benchmark]: Symbolic Interpretation took 901.14 ms. Allocated memory is still 199.2 MB. Free memory was 155.5 MB in the beginning and 88.5 MB in the end (delta: 67.0 MB). Peak memory consumption was 67.0 MB. Max. memory is 7.1 GB. [2019-08-14 19:46:48,396 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: Over-approximation of reachable states at this location 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 0.18 ms. Allocated memory is still 132.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 361.14 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 87.1 MB in the beginning and 176.0 MB in the end (delta: -88.9 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.30 ms. Allocated memory is still 199.2 MB. Free memory was 176.0 MB in the beginning and 174.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 396.91 ms. Allocated memory is still 199.2 MB. Free memory was 174.2 MB in the beginning and 155.5 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 901.14 ms. Allocated memory is still 199.2 MB. Free memory was 155.5 MB in the beginning and 88.5 MB in the end (delta: 67.0 MB). Peak memory consumption was 67.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...