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/floats-cbmc-regression/float-no-simp7.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 06:17:25,518 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 06:17:25,521 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 06:17:25,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 06:17:25,540 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 06:17:25,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 06:17:25,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 06:17:25,549 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 06:17:25,551 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 06:17:25,551 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 06:17:25,557 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 06:17:25,558 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 06:17:25,558 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 06:17:25,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 06:17:25,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 06:17:25,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 06:17:25,563 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 06:17:25,564 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 06:17:25,569 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 06:17:25,572 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 06:17:25,576 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 06:17:25,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 06:17:25,579 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 06:17:25,582 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 06:17:25,586 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-18 06:17:25,590 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 06:17:25,591 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 06:17:25,593 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 06:17:25,594 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 06:17:25,596 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 06:17:25,596 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 06:17:25,597 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 06:17:25,597 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 06:17:25,598 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 06:17:25,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 06:17:25,602 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 06:17:25,604 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 [2019-08-18 06:17:25,625 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 06:17:25,625 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 06:17:25,627 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 06:17:25,627 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 06:17:25,627 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 06:17:25,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 06:17:25,629 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 06:17:25,629 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 06:17:25,629 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 06:17:25,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 06:17:25,631 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 06:17:25,631 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 06:17:25,631 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 06:17:25,632 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 06:17:25,632 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 06:17:25,632 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 06:17:25,632 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 06:17:25,632 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 06:17:25,633 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 06:17:25,633 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 06:17:25,633 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 06:17:25,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 06:17:25,633 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 06:17:25,634 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 06:17:25,634 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 06:17:25,634 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 06:17:25,635 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 06:17:25,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 06:17:25,635 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 06:17:25,691 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 06:17:25,710 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 06:17:25,715 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 06:17:25,716 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 06:17:25,717 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 06:17:25,717 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-no-simp7.c [2019-08-18 06:17:25,791 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49bea91ed/e7a38c88b58c489da3c5e5d57a5e478d/FLAGbe0169e88 [2019-08-18 06:17:26,259 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 06:17:26,260 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp7.c [2019-08-18 06:17:26,268 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49bea91ed/e7a38c88b58c489da3c5e5d57a5e478d/FLAGbe0169e88 [2019-08-18 06:17:26,651 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49bea91ed/e7a38c88b58c489da3c5e5d57a5e478d [2019-08-18 06:17:26,667 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 06:17:26,669 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 06:17:26,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 06:17:26,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 06:17:26,674 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 06:17:26,675 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:17:26" (1/1) ... [2019-08-18 06:17:26,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a47e2ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:26, skipping insertion in model container [2019-08-18 06:17:26,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:17:26" (1/1) ... [2019-08-18 06:17:26,686 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 06:17:26,702 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 06:17:26,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:17:26,913 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 06:17:26,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:17:26,947 INFO L192 MainTranslator]: Completed translation [2019-08-18 06:17:26,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:26 WrapperNode [2019-08-18 06:17:26,948 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 06:17:26,949 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 06:17:26,949 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 06:17:26,949 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 06:17:27,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:26" (1/1) ... [2019-08-18 06:17:27,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:26" (1/1) ... [2019-08-18 06:17:27,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:26" (1/1) ... [2019-08-18 06:17:27,070 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:26" (1/1) ... [2019-08-18 06:17:27,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:26" (1/1) ... [2019-08-18 06:17:27,078 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:26" (1/1) ... [2019-08-18 06:17:27,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:26" (1/1) ... [2019-08-18 06:17:27,080 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 06:17:27,080 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 06:17:27,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 06:17:27,080 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 06:17:27,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:26" (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 [2019-08-18 06:17:27,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 06:17:27,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 06:17:27,137 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 06:17:27,138 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 06:17:27,138 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 06:17:27,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 06:17:27,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 06:17:27,269 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 06:17:27,269 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-18 06:17:27,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:17:27 BoogieIcfgContainer [2019-08-18 06:17:27,270 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 06:17:27,271 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 06:17:27,271 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 06:17:27,271 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 06:17:27,272 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:17:27" (1/1) ... [2019-08-18 06:17:27,284 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 06:17:27,287 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 06:17:27,293 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 06:17:27,301 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 06:17:27,303 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 06:17:27,351 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-18 06:17:27,358 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 06:17:27,359 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 06:17:27,361 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 12#(and (= |main_#in~argc| main_~argc) (= |main_#in~argv.offset| main_~argv.offset) (= |main_#in~argv.base| main_~argv.base) (= (/ 13567505.0 21267647932558653966460912964485513216.0) main_~f~0)) [2019-08-18 06:17:27,372 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 06:17:27,372 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 06:17:27,375 INFO L168 Benchmark]: Toolchain (without parser) took 705.18 ms. Allocated memory was 140.5 MB in the beginning and 199.8 MB in the end (delta: 59.2 MB). Free memory was 88.4 MB in the beginning and 162.1 MB in the end (delta: -73.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-18 06:17:27,376 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 140.5 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 06:17:27,377 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.48 ms. Allocated memory is still 140.5 MB. Free memory was 88.2 MB in the beginning and 78.4 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-08-18 06:17:27,378 INFO L168 Benchmark]: Boogie Preprocessor took 130.77 ms. Allocated memory was 140.5 MB in the beginning and 199.8 MB in the end (delta: 59.2 MB). Free memory was 78.4 MB in the beginning and 177.3 MB in the end (delta: -98.9 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2019-08-18 06:17:27,379 INFO L168 Benchmark]: RCFGBuilder took 190.58 ms. Allocated memory is still 199.8 MB. Free memory was 177.3 MB in the beginning and 167.8 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-08-18 06:17:27,380 INFO L168 Benchmark]: Symbolic Interpretation took 101.53 ms. Allocated memory is still 199.8 MB. Free memory was 167.8 MB in the beginning and 162.1 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2019-08-18 06:17:27,384 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 10]: 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 12#(and (= |main_#in~argc| main_~argc) (= |main_#in~argv.offset| main_~argv.offset) (= |main_#in~argv.base| main_~argv.base) (= (/ 13567505.0 21267647932558653966460912964485513216.0) main_~f~0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 ms. Allocated memory is still 140.5 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 278.48 ms. Allocated memory is still 140.5 MB. Free memory was 88.2 MB in the beginning and 78.4 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.77 ms. Allocated memory was 140.5 MB in the beginning and 199.8 MB in the end (delta: 59.2 MB). Free memory was 78.4 MB in the beginning and 177.3 MB in the end (delta: -98.9 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 190.58 ms. Allocated memory is still 199.8 MB. Free memory was 177.3 MB in the beginning and 167.8 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 101.53 ms. Allocated memory is still 199.8 MB. Free memory was 167.8 MB in the beginning and 162.1 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...