./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/inv_Newton.c.p+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 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-benchs/inv_Newton.c.p+cfa-reducer.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 da6a2bab1a150f96c1704e6bd6399f84c7ef1968 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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-benchs/inv_Newton.c.p+cfa-reducer.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 da6a2bab1a150f96c1704e6bd6399f84c7ef1968 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:50:12,362 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:50:12,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:50:12,408 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:50:12,411 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:50:12,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:50:12,418 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:50:12,437 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:50:12,445 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:50:12,448 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:50:12,453 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:50:12,455 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:50:12,460 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:50:12,464 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:50:12,466 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:50:12,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:50:12,472 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:50:12,477 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:50:12,483 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:50:12,493 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:50:12,499 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:50:12,506 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:50:12,509 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:50:12,511 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:50:12,521 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:50:12,522 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:50:12,522 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:50:12,524 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:50:12,527 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:50:12,530 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:50:12,531 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:50:12,532 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:50:12,533 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:50:12,537 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:50:12,539 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:50:12,541 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:50:12,542 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:50:12,544 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:50:12,544 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:50:12,550 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:50:12,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:50:12,553 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:50:12,592 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:50:12,594 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:50:12,598 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:50:12,599 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:50:12,599 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:50:12,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:50:12,602 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:50:12,602 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:50:12,602 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:50:12,603 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:50:12,604 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:50:12,604 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:50:12,605 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:50:12,607 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:50:12,608 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:50:12,608 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:50:12,608 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:50:12,609 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:50:12,609 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:50:12,609 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:50:12,612 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:50:12,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:50:12,613 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:50:12,613 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:50:12,613 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:50:12,613 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:50:12,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:50:12,614 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:50:12,614 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 -> da6a2bab1a150f96c1704e6bd6399f84c7ef1968 [2019-11-25 22:50:13,147 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:50:13,180 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:50:13,187 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:50:13,189 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:50:13,194 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:50:13,195 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/inv_Newton.c.p+cfa-reducer.c [2019-11-25 22:50:13,356 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7998d6a1/cab3764f62b446349247dd878ba26d81/FLAGf7fd7b3a7 [2019-11-25 22:50:14,420 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:50:14,421 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/inv_Newton.c.p+cfa-reducer.c [2019-11-25 22:50:14,437 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7998d6a1/cab3764f62b446349247dd878ba26d81/FLAGf7fd7b3a7 [2019-11-25 22:50:14,476 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7998d6a1/cab3764f62b446349247dd878ba26d81 [2019-11-25 22:50:14,484 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:50:14,487 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:50:14,493 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:50:14,493 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:50:14,502 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:50:14,505 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:50:14" (1/1) ... [2019-11-25 22:50:14,515 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@231fc69b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:14, skipping insertion in model container [2019-11-25 22:50:14,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:50:14" (1/1) ... [2019-11-25 22:50:14,536 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:50:14,596 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:50:15,106 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:50:15,114 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:50:15,293 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:50:15,350 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:50:15,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:15 WrapperNode [2019-11-25 22:50:15,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:50:15,366 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:50:15,366 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:50:15,366 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:50:15,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:15" (1/1) ... [2019-11-25 22:50:15,403 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:15" (1/1) ... [2019-11-25 22:50:15,443 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:50:15,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:50:15,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:50:15,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:50:15,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:15" (1/1) ... [2019-11-25 22:50:15,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:15" (1/1) ... [2019-11-25 22:50:15,474 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:15" (1/1) ... [2019-11-25 22:50:15,475 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:15" (1/1) ... [2019-11-25 22:50:15,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:15" (1/1) ... [2019-11-25 22:50:15,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:15" (1/1) ... [2019-11-25 22:50:15,514 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:15" (1/1) ... [2019-11-25 22:50:15,517 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:50:15,542 INFO L168 Benchmark]: Toolchain (without parser) took 1034.17 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 991.5 MB in the end (delta: -29.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:50:15,543 INFO L168 Benchmark]: CDTParser took 0.39 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. [2019-11-25 22:50:15,546 INFO L168 Benchmark]: CACSL2BoogieTranslator took 865.31 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 991.5 MB in the end (delta: -29.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-25 22:50:15,553 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.48 ms. Allocated memory is still 1.0 GB. Free memory is still 991.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:50:15,554 INFO L168 Benchmark]: Boogie Preprocessor took 73.20 ms. Allocated memory is still 1.0 GB. Free memory is still 991.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:50:15,558 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 865.31 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 991.5 MB in the end (delta: -29.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 79.48 ms. Allocated memory is still 1.0 GB. Free memory is still 991.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 73.20 ms. Allocated memory is still 1.0 GB. Free memory is still 991.5 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... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:50:19,551 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:50:19,558 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:50:19,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:50:19,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:50:19,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:50:19,606 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:50:19,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:50:19,627 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:50:19,633 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:50:19,635 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:50:19,640 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:50:19,643 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:50:19,647 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:50:19,650 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:50:19,656 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:50:19,657 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:50:19,659 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:50:19,666 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:50:19,674 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:50:19,684 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:50:19,689 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:50:19,693 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:50:19,698 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:50:19,705 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:50:19,705 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:50:19,706 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:50:19,709 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:50:19,710 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:50:19,712 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:50:19,714 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:50:19,715 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:50:19,717 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:50:19,720 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:50:19,723 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:50:19,725 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:50:19,728 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:50:19,729 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:50:19,729 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:50:19,730 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:50:19,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:50:19,735 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:50:19,777 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:50:19,778 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:50:19,783 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:50:19,783 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:50:19,784 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:50:19,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:50:19,785 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:50:19,788 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:50:19,788 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:50:19,788 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:50:19,790 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:50:19,790 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:50:19,790 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:50:19,791 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:50:19,791 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:50:19,791 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:50:19,793 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:50:19,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:50:19,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:50:19,796 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:50:19,796 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:50:19,796 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:50:19,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:50:19,797 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:50:19,797 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:50:19,798 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:50:19,798 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:50:19,798 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:50:19,801 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:50:19,801 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:50:19,803 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 -> da6a2bab1a150f96c1704e6bd6399f84c7ef1968 [2019-11-25 22:50:20,428 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:50:20,460 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:50:20,471 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:50:20,473 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:50:20,474 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:50:20,475 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/inv_Newton.c.p+cfa-reducer.c [2019-11-25 22:50:20,631 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d9e324cf/ddaf7da8783f48c88f4c44ef48a77e4a/FLAG6ee075c8f [2019-11-25 22:50:21,720 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:50:21,721 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/inv_Newton.c.p+cfa-reducer.c [2019-11-25 22:50:21,736 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d9e324cf/ddaf7da8783f48c88f4c44ef48a77e4a/FLAG6ee075c8f [2019-11-25 22:50:21,774 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d9e324cf/ddaf7da8783f48c88f4c44ef48a77e4a [2019-11-25 22:50:21,782 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:50:21,789 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:50:21,791 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:50:21,793 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:50:21,801 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:50:21,802 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:50:21" (1/1) ... [2019-11-25 22:50:21,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70cb08cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:21, skipping insertion in model container [2019-11-25 22:50:21,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:50:21" (1/1) ... [2019-11-25 22:50:21,831 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:50:21,890 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:50:22,381 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:50:22,392 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:50:22,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:50:22,660 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:50:22,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:22 WrapperNode [2019-11-25 22:50:22,662 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:50:22,667 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:50:22,667 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:50:22,668 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:50:22,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:22" (1/1) ... [2019-11-25 22:50:22,738 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:22" (1/1) ... [2019-11-25 22:50:22,809 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:50:22,812 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:50:22,812 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:50:22,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:50:22,831 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:22" (1/1) ... [2019-11-25 22:50:22,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:22" (1/1) ... [2019-11-25 22:50:22,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:22" (1/1) ... [2019-11-25 22:50:22,856 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:22" (1/1) ... [2019-11-25 22:50:22,891 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:22" (1/1) ... [2019-11-25 22:50:22,895 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:22" (1/1) ... [2019-11-25 22:50:22,911 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:22" (1/1) ... [2019-11-25 22:50:22,923 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:50:22,932 INFO L168 Benchmark]: Toolchain (without parser) took 1139.25 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 985.5 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:50:22,937 INFO L168 Benchmark]: CDTParser took 3.47 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. [2019-11-25 22:50:22,939 INFO L168 Benchmark]: CACSL2BoogieTranslator took 871.45 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 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-25 22:50:22,940 INFO L168 Benchmark]: Boogie Procedure Inliner took 144.69 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:50:22,943 INFO L168 Benchmark]: Boogie Preprocessor took 111.54 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 985.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:50:22,956 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.47 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 871.45 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 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 144.69 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 111.54 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 985.5 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...