./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0921.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0921.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 86466cf5e99320b887fae6f726f2af775c2eaef8 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0921.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 86466cf5e99320b887fae6f726f2af775c2eaef8 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:00:31,462 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:00:31,467 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:00:31,491 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:00:31,493 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:00:31,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:00:31,512 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:00:31,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:00:31,531 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:00:31,537 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:00:31,542 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:00:31,545 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:00:31,546 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:00:31,552 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:00:31,554 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:00:31,559 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:00:31,561 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:00:31,568 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:00:31,574 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:00:31,581 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:00:31,585 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:00:31,592 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:00:31,597 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:00:31,599 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:00:31,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:00:31,611 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:00:31,611 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:00:31,613 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:00:31,614 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:00:31,616 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:00:31,618 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:00:31,619 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:00:31,620 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:00:31,624 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:00:31,627 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:00:31,627 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:00:31,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:00:31,632 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:00:31,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:00:31,635 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:00:31,638 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:00:31,640 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:00:31,679 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:00:31,681 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:00:31,687 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:00:31,687 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:00:31,687 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:00:31,688 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:00:31,688 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:00:31,689 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:00:31,691 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:00:31,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:00:31,693 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:00:31,693 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:00:31,693 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:00:31,694 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:00:31,696 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:00:31,696 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:00:31,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:00:31,697 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:00:31,697 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:00:31,699 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:00:31,699 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:00:31,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:00:31,700 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:00:31,702 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:00:31,702 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:00:31,702 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:00:31,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:00:31,703 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:00:31,703 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86466cf5e99320b887fae6f726f2af775c2eaef8 [2019-11-26 17:00:32,292 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:00:32,321 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:00:32,328 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:00:32,330 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:00:32,333 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:00:32,334 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0921.c [2019-11-26 17:00:32,481 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e30e7463e/55016eb68aac4489a78729158dcb098b/FLAGf6aaf3c5e [2019-11-26 17:00:33,513 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:00:33,518 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0921.c [2019-11-26 17:00:33,546 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e30e7463e/55016eb68aac4489a78729158dcb098b/FLAGf6aaf3c5e [2019-11-26 17:00:33,655 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e30e7463e/55016eb68aac4489a78729158dcb098b [2019-11-26 17:00:33,663 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:00:33,668 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:00:33,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:00:33,673 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:00:33,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:00:33,685 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:00:33" (1/1) ... [2019-11-26 17:00:33,691 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@658fc5c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:33, skipping insertion in model container [2019-11-26 17:00:33,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:00:33" (1/1) ... [2019-11-26 17:00:33,713 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:00:33,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:00:34,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:00:34,308 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:00:34,504 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:00:34,567 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:00:34,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:34 WrapperNode [2019-11-26 17:00:34,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:00:34,576 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:00:34,577 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:00:34,577 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:00:34,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:34" (1/1) ... [2019-11-26 17:00:34,638 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:34" (1/1) ... [2019-11-26 17:00:34,690 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:00:34,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:00:34,693 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:00:34,693 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:00:34,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:34" (1/1) ... [2019-11-26 17:00:34,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:34" (1/1) ... [2019-11-26 17:00:34,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:34" (1/1) ... [2019-11-26 17:00:34,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:34" (1/1) ... [2019-11-26 17:00:34,746 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:34" (1/1) ... [2019-11-26 17:00:34,759 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:34" (1/1) ... [2019-11-26 17:00:34,764 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:34" (1/1) ... [2019-11-26 17:00:34,771 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:00:34,790 INFO L168 Benchmark]: Toolchain (without parser) took 1108.01 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 979.9 MB in the end (delta: -12.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:00:34,793 INFO L168 Benchmark]: CDTParser took 1.43 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:00:34,797 INFO L168 Benchmark]: CACSL2BoogieTranslator took 897.08 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.4 MB in the end (delta: -23.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:00:34,799 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.01 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:00:34,800 INFO L168 Benchmark]: Boogie Preprocessor took 79.20 ms. Allocated memory is still 1.0 GB. Free memory was 991.4 MB in the beginning and 979.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:00:34,813 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.43 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 897.08 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.4 MB in the end (delta: -23.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 116.01 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 79.20 ms. Allocated memory is still 1.0 GB. Free memory was 991.4 MB in the beginning and 979.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:00:38,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:00:38,450 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:00:38,473 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:00:38,475 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:00:38,478 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:00:38,482 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:00:38,494 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:00:38,503 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:00:38,507 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:00:38,511 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:00:38,514 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:00:38,515 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:00:38,519 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:00:38,522 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:00:38,525 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:00:38,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:00:38,531 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:00:38,537 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:00:38,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:00:38,552 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:00:38,561 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:00:38,563 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:00:38,568 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:00:38,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:00:38,575 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:00:38,576 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:00:38,579 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:00:38,579 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:00:38,583 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:00:38,583 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:00:38,585 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:00:38,588 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:00:38,592 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:00:38,594 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:00:38,596 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:00:38,599 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:00:38,600 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:00:38,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:00:38,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:00:38,605 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:00:38,607 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:00:38,671 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:00:38,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:00:38,675 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:00:38,679 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:00:38,682 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:00:38,682 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:00:38,682 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:00:38,683 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:00:38,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:00:38,683 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:00:38,684 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:00:38,685 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:00:38,686 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:00:38,687 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:00:38,688 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:00:38,688 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:00:38,688 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:00:38,691 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:00:38,691 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:00:38,692 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:00:38,692 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:00:38,692 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:00:38,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:00:38,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:00:38,696 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:00:38,696 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:00:38,696 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:00:38,696 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:00:38,697 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:00:38,697 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:00:38,699 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86466cf5e99320b887fae6f726f2af775c2eaef8 [2019-11-26 17:00:39,280 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:00:39,324 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:00:39,332 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:00:39,337 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:00:39,337 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:00:39,339 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0921.c [2019-11-26 17:00:39,475 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94e581404/55a8d09c5dd446af9cc0c1f5eca5811e/FLAGdd6a62e37 [2019-11-26 17:00:40,460 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:00:40,462 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0921.c [2019-11-26 17:00:40,494 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94e581404/55a8d09c5dd446af9cc0c1f5eca5811e/FLAGdd6a62e37 [2019-11-26 17:00:40,614 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94e581404/55a8d09c5dd446af9cc0c1f5eca5811e [2019-11-26 17:00:40,622 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:00:40,625 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:00:40,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:00:40,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:00:40,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:00:40,644 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:00:40" (1/1) ... [2019-11-26 17:00:40,654 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5336134e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:40, skipping insertion in model container [2019-11-26 17:00:40,655 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:00:40" (1/1) ... [2019-11-26 17:00:40,672 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:00:40,742 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:00:41,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:00:41,403 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:00:41,539 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:00:41,610 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:00:41,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:41 WrapperNode [2019-11-26 17:00:41,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:00:41,613 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:00:41,614 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:00:41,614 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:00:41,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:41" (1/1) ... [2019-11-26 17:00:41,686 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:41" (1/1) ... [2019-11-26 17:00:41,760 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:00:41,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:00:41,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:00:41,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:00:41,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:41" (1/1) ... [2019-11-26 17:00:41,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:41" (1/1) ... [2019-11-26 17:00:41,797 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:41" (1/1) ... [2019-11-26 17:00:41,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:41" (1/1) ... [2019-11-26 17:00:41,828 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:41" (1/1) ... [2019-11-26 17:00:41,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:41" (1/1) ... [2019-11-26 17:00:41,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:41" (1/1) ... [2019-11-26 17:00:41,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:00:41,871 INFO L168 Benchmark]: Toolchain (without parser) took 1241.44 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 979.9 MB in the end (delta: -12.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:00:41,874 INFO L168 Benchmark]: CDTParser took 2.69 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:00:41,877 INFO L168 Benchmark]: CACSL2BoogieTranslator took 979.78 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.4 MB in the end (delta: -24.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:00:41,878 INFO L168 Benchmark]: Boogie Procedure Inliner took 147.68 ms. Allocated memory is still 1.0 GB. Free memory was 991.4 MB in the beginning and 979.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:00:41,881 INFO L168 Benchmark]: Boogie Preprocessor took 103.06 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:00:41,897 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.69 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 979.78 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.4 MB in the end (delta: -24.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 147.68 ms. Allocated memory is still 1.0 GB. Free memory was 991.4 MB in the beginning and 979.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 103.06 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...