./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench/fermat1.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/nla-digbench/fermat1.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 22d7788319b1f6b53f5835e05bcfc3e9bca79d79 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/nla-digbench/fermat1.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 22d7788319b1f6b53f5835e05bcfc3e9bca79d79 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:57:44,426 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:57:44,433 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:57:44,468 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:57:44,470 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:57:44,474 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:57:44,479 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:57:44,496 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:57:44,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:57:44,505 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:57:44,507 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:57:44,513 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:57:44,514 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:57:44,519 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:57:44,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:57:44,526 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:57:44,531 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:57:44,536 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:57:44,543 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:57:44,552 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:57:44,560 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:57:44,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:57:44,568 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:57:44,572 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:57:44,578 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:57:44,579 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:57:44,579 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:57:44,583 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:57:44,584 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:57:44,587 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:57:44,588 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:57:44,592 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:57:44,593 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:57:44,596 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:57:44,598 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:57:44,599 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:57:44,602 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:57:44,602 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:57:44,603 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:57:44,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:57:44,609 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:57:44,612 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:57:44,654 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:57:44,655 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:57:44,658 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:57:44,660 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:57:44,660 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:57:44,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:57:44,663 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:57:44,663 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:57:44,664 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:57:44,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:57:44,665 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:57:44,666 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:57:44,668 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:57:44,668 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:57:44,669 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:57:44,669 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:57:44,669 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:57:44,670 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:57:44,670 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:57:44,673 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:57:44,673 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:57:44,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:57:44,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:57:44,674 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:57:44,674 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:57:44,675 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:57:44,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:57:44,676 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:57:44,676 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 -> 22d7788319b1f6b53f5835e05bcfc3e9bca79d79 [2019-11-25 22:57:45,255 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:57:45,289 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:57:45,295 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:57:45,301 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:57:45,302 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:57:45,304 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/fermat1.c [2019-11-25 22:57:45,468 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80f864617/7f158634aa5f40eb85f02efa0ae5a5ad/FLAG287f03b8f [2019-11-25 22:57:46,527 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:57:46,532 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/fermat1.c [2019-11-25 22:57:46,551 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80f864617/7f158634aa5f40eb85f02efa0ae5a5ad/FLAG287f03b8f [2019-11-25 22:57:46,588 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80f864617/7f158634aa5f40eb85f02efa0ae5a5ad [2019-11-25 22:57:46,596 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:57:46,601 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:57:46,606 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:57:46,607 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:57:46,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:57:46,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:57:46" (1/1) ... [2019-11-25 22:57:46,626 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15b6135e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:46, skipping insertion in model container [2019-11-25 22:57:46,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:57:46" (1/1) ... [2019-11-25 22:57:46,647 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:57:46,699 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:57:47,181 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:57:47,196 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:57:47,267 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:57:47,305 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:57:47,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:47 WrapperNode [2019-11-25 22:57:47,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:57:47,319 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:57:47,321 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:57:47,321 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:57:47,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:47" (1/1) ... [2019-11-25 22:57:47,442 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:47" (1/1) ... [2019-11-25 22:57:47,500 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:57:47,503 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:57:47,503 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:57:47,504 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:57:47,514 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:47" (1/1) ... [2019-11-25 22:57:47,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:47" (1/1) ... [2019-11-25 22:57:47,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:47" (1/1) ... [2019-11-25 22:57:47,533 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:47" (1/1) ... [2019-11-25 22:57:47,544 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:47" (1/1) ... [2019-11-25 22:57:47,559 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:47" (1/1) ... [2019-11-25 22:57:47,562 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:47" (1/1) ... [2019-11-25 22:57:47,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:57:47,593 INFO L168 Benchmark]: Toolchain (without parser) took 984.31 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 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:57:47,598 INFO L168 Benchmark]: CDTParser took 3.03 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 22:57:47,601 INFO L168 Benchmark]: CACSL2BoogieTranslator took 707.08 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-25 22:57:47,606 INFO L168 Benchmark]: Boogie Procedure Inliner took 183.67 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 997.0 MB in the end (delta: -46.9 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-25 22:57:47,612 INFO L168 Benchmark]: Boogie Preprocessor took 79.27 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:57:47,622 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.03 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 707.08 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 183.67 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 997.0 MB in the end (delta: -46.9 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 79.27 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 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 0.1.24-65d6cd2 [2019-11-25 22:57:51,490 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:57:51,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:57:51,531 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:57:51,533 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:57:51,535 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:57:51,538 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:57:51,563 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:57:51,566 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:57:51,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:57:51,578 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:57:51,582 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:57:51,582 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:57:51,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:57:51,591 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:57:51,597 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:57:51,601 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:57:51,605 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:57:51,612 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:57:51,623 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:57:51,627 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:57:51,633 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:57:51,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:57:51,642 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:57:51,650 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:57:51,651 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:57:51,654 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:57:51,656 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:57:51,657 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:57:51,658 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:57:51,661 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:57:51,662 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:57:51,663 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:57:51,666 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:57:51,670 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:57:51,670 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:57:51,673 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:57:51,673 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:57:51,673 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:57:51,676 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:57:51,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:57:51,683 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:57:51,724 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:57:51,726 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:57:51,730 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:57:51,731 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:57:51,732 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:57:51,732 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:57:51,735 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:57:51,735 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:57:51,735 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:57:51,736 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:57:51,737 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:57:51,738 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:57:51,738 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:57:51,738 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:57:51,739 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:57:51,742 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:57:51,742 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:57:51,742 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:57:51,743 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:57:51,743 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:57:51,743 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:57:51,744 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:57:51,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:57:51,744 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:57:51,747 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:57:51,747 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:57:51,747 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:57:51,748 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:57:51,748 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:57:51,748 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:57:51,750 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 -> 22d7788319b1f6b53f5835e05bcfc3e9bca79d79 [2019-11-25 22:57:52,349 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:57:52,384 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:57:52,393 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:57:52,395 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:57:52,396 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:57:52,397 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/fermat1.c [2019-11-25 22:57:52,554 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0117862bf/5ec1121ce41c44ea883fc60bdfa1681b/FLAG4cf783a8a [2019-11-25 22:57:53,582 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:57:53,583 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/fermat1.c [2019-11-25 22:57:53,599 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0117862bf/5ec1121ce41c44ea883fc60bdfa1681b/FLAG4cf783a8a [2019-11-25 22:57:53,741 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0117862bf/5ec1121ce41c44ea883fc60bdfa1681b [2019-11-25 22:57:53,755 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:57:53,757 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:57:53,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:57:53,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:57:53,768 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:57:53,770 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:57:53" (1/1) ... [2019-11-25 22:57:53,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46807bdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:53, skipping insertion in model container [2019-11-25 22:57:53,779 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:57:53" (1/1) ... [2019-11-25 22:57:53,798 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:57:53,852 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:57:54,350 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:57:54,372 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:57:54,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:57:54,494 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:57:54,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:54 WrapperNode [2019-11-25 22:57:54,497 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:57:54,499 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:57:54,500 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:57:54,500 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:57:54,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:54" (1/1) ... [2019-11-25 22:57:54,659 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:54" (1/1) ... [2019-11-25 22:57:54,725 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:57:54,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:57:54,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:57:54,726 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:57:54,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:54" (1/1) ... [2019-11-25 22:57:54,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:54" (1/1) ... [2019-11-25 22:57:54,755 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:54" (1/1) ... [2019-11-25 22:57:54,755 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:54" (1/1) ... [2019-11-25 22:57:54,785 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:54" (1/1) ... [2019-11-25 22:57:54,793 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:54" (1/1) ... [2019-11-25 22:57:54,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:54" (1/1) ... [2019-11-25 22:57:54,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:57:54,817 INFO L168 Benchmark]: Toolchain (without parser) took 1057.36 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 989.8 MB in the end (delta: -23.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:57:54,819 INFO L168 Benchmark]: CDTParser took 2.56 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. [2019-11-25 22:57:54,820 INFO L168 Benchmark]: CACSL2BoogieTranslator took 739.90 ms. Allocated memory is still 1.0 GB. Free memory was 965.9 MB in the beginning and 954.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:57:54,829 INFO L168 Benchmark]: Boogie Procedure Inliner took 226.12 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 991.3 MB in the end (delta: -36.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-25 22:57:54,831 INFO L168 Benchmark]: Boogie Preprocessor took 85.43 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 989.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. [2019-11-25 22:57:54,848 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.56 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 739.90 ms. Allocated memory is still 1.0 GB. Free memory was 965.9 MB in the beginning and 954.5 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 226.12 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 991.3 MB in the end (delta: -36.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 85.43 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 989.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...