./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cdfpl/newton_2_6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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/floats-cdfpl/newton_2_6.i -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 67c4f5f280d9686f1a0cd5046481e7418df9e155 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/floats-cdfpl/newton_2_6.i -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 67c4f5f280d9686f1a0cd5046481e7418df9e155 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:06:12,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:06:12,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:06:12,546 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:06:12,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:06:12,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:06:12,556 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:06:12,571 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:06:12,576 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:06:12,581 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:06:12,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:06:12,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:06:12,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:06:12,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:06:12,600 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:06:12,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:06:12,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:06:12,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:06:12,615 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:06:12,626 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:06:12,631 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:06:12,637 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:06:12,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:06:12,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:06:12,651 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:06:12,652 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:06:12,652 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:06:12,657 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:06:12,658 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:06:12,659 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:06:12,661 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:06:12,662 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:06:12,663 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:06:12,667 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:06:12,670 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:06:12,670 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:06:12,674 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:06:12,674 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:06:12,675 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:06:12,679 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:06:12,681 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:06:12,683 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:06:12,721 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:06:12,723 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:06:12,727 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:06:12,729 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:06:12,729 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:06:12,729 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:06:12,731 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:06:12,731 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:06:12,731 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:06:12,732 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:06:12,735 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:06:12,735 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:06:12,735 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:06:12,736 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:06:12,736 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:06:12,736 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:06:12,737 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:06:12,739 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:06:12,739 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:06:12,739 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:06:12,740 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:06:12,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:06:12,740 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:06:12,740 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:06:12,742 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:06:12,742 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:06:12,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:06:12,742 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:06:12,745 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 -> 67c4f5f280d9686f1a0cd5046481e7418df9e155 [2019-11-27 16:06:13,338 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:06:13,367 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:06:13,375 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:06:13,378 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:06:13,382 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:06:13,384 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/newton_2_6.i [2019-11-27 16:06:13,548 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0c15b5f2/43e859eb8b824759bdd06f45678e2db2/FLAG4ce6f81f8 [2019-11-27 16:06:14,617 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:06:14,621 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/newton_2_6.i [2019-11-27 16:06:14,637 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0c15b5f2/43e859eb8b824759bdd06f45678e2db2/FLAG4ce6f81f8 [2019-11-27 16:06:14,682 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0c15b5f2/43e859eb8b824759bdd06f45678e2db2 [2019-11-27 16:06:14,691 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:06:14,697 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:06:14,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:06:14,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:06:14,711 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:06:14,716 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:06:14" (1/1) ... [2019-11-27 16:06:14,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@287c1f00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:14, skipping insertion in model container [2019-11-27 16:06:14,727 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:06:14" (1/1) ... [2019-11-27 16:06:14,749 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:06:14,802 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:06:15,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:06:15,253 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:06:15,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:06:15,348 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:06:15,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:15 WrapperNode [2019-11-27 16:06:15,353 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:06:15,355 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:06:15,355 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:06:15,355 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:06:15,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:15" (1/1) ... [2019-11-27 16:06:15,477 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:15" (1/1) ... [2019-11-27 16:06:15,540 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:06:15,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:06:15,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:06:15,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:06:15,566 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:15" (1/1) ... [2019-11-27 16:06:15,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:15" (1/1) ... [2019-11-27 16:06:15,581 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:15" (1/1) ... [2019-11-27 16:06:15,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:15" (1/1) ... [2019-11-27 16:06:15,597 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:15" (1/1) ... [2019-11-27 16:06:15,605 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:15" (1/1) ... [2019-11-27 16:06:15,609 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:15" (1/1) ... [2019-11-27 16:06:15,621 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:06:15,634 INFO L168 Benchmark]: Toolchain (without parser) took 931.09 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.4 MB in the end (delta: -29.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:06:15,636 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:06:15,639 INFO L168 Benchmark]: CACSL2BoogieTranslator took 650.32 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:06:15,642 INFO L168 Benchmark]: Boogie Procedure Inliner took 187.37 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.1 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:06:15,645 INFO L168 Benchmark]: Boogie Preprocessor took 79.24 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 MB in the beginning and 991.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:06:15,659 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 650.32 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 187.37 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.1 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 79.24 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 MB in the beginning and 991.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 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 0.1.24-509859d [2019-11-27 16:06:19,568 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:06:19,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:06:19,605 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:06:19,606 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:06:19,608 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:06:19,611 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:06:19,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:06:19,641 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:06:19,649 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:06:19,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:06:19,661 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:06:19,666 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:06:19,673 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:06:19,675 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:06:19,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:06:19,682 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:06:19,687 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:06:19,693 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:06:19,703 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:06:19,711 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:06:19,715 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:06:19,721 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:06:19,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:06:19,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:06:19,735 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:06:19,735 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:06:19,739 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:06:19,741 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:06:19,744 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:06:19,745 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:06:19,747 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:06:19,751 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:06:19,752 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:06:19,758 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:06:19,759 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:06:19,760 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:06:19,762 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:06:19,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:06:19,766 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:06:19,770 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:06:19,771 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:06:19,814 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:06:19,817 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:06:19,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:06:19,822 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:06:19,822 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:06:19,823 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:06:19,823 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:06:19,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:06:19,825 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:06:19,825 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:06:19,826 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:06:19,827 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:06:19,828 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:06:19,828 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:06:19,830 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:06:19,830 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:06:19,830 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:06:19,831 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:06:19,831 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:06:19,832 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:06:19,835 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:06:19,835 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:06:19,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:06:19,836 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:06:19,836 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:06:19,836 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:06:19,837 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:06:19,837 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:06:19,837 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:06:19,838 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:06:19,841 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 -> 67c4f5f280d9686f1a0cd5046481e7418df9e155 [2019-11-27 16:06:20,539 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:06:20,570 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:06:20,578 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:06:20,586 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:06:20,590 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:06:20,592 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/newton_2_6.i [2019-11-27 16:06:20,750 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/648963475/5fe3a558d2fd41d6868f4027013018c8/FLAG11d4d404b [2019-11-27 16:06:21,727 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:06:21,732 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/newton_2_6.i [2019-11-27 16:06:21,746 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/648963475/5fe3a558d2fd41d6868f4027013018c8/FLAG11d4d404b [2019-11-27 16:06:21,788 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/648963475/5fe3a558d2fd41d6868f4027013018c8 [2019-11-27 16:06:21,796 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:06:21,799 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:06:21,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:06:21,804 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:06:21,807 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:06:21,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:06:21" (1/1) ... [2019-11-27 16:06:21,817 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aa44881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:21, skipping insertion in model container [2019-11-27 16:06:21,817 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:06:21" (1/1) ... [2019-11-27 16:06:21,833 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:06:21,868 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:06:22,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:06:22,206 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:06:22,251 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:06:22,275 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:06:22,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:22 WrapperNode [2019-11-27 16:06:22,277 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:06:22,282 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:06:22,282 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:06:22,282 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:06:22,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:22" (1/1) ... [2019-11-27 16:06:22,418 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:22" (1/1) ... [2019-11-27 16:06:22,485 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:06:22,486 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:06:22,486 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:06:22,487 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:06:22,498 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:22" (1/1) ... [2019-11-27 16:06:22,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:22" (1/1) ... [2019-11-27 16:06:22,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:22" (1/1) ... [2019-11-27 16:06:22,515 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:22" (1/1) ... [2019-11-27 16:06:22,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:22" (1/1) ... [2019-11-27 16:06:22,549 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:22" (1/1) ... [2019-11-27 16:06:22,555 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:22" (1/1) ... [2019-11-27 16:06:22,562 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:06:22,571 INFO L168 Benchmark]: Toolchain (without parser) took 767.25 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 991.2 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:06:22,575 INFO L168 Benchmark]: CDTParser took 0.37 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. [2019-11-27 16:06:22,578 INFO L168 Benchmark]: CACSL2BoogieTranslator took 472.97 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:06:22,594 INFO L168 Benchmark]: Boogie Procedure Inliner took 204.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.9 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:06:22,598 INFO L168 Benchmark]: Boogie Preprocessor took 77.44 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:06:22,613 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 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 472.97 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 204.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.9 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 77.44 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...