./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops/ludcmp.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loops/ludcmp.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 32bec6c4f79c2e7c076e1f90ef84b3b02cfe5535 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/loops/ludcmp.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 32bec6c4f79c2e7c076e1f90ef84b3b02cfe5535 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:03:12,405 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:03:12,410 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:03:12,436 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:03:12,438 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:03:12,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:03:12,443 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:03:12,455 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:03:12,461 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:03:12,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:03:12,468 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:03:12,472 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:03:12,472 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:03:12,477 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:03:12,478 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:03:12,482 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:03:12,483 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:03:12,484 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:03:12,490 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:03:12,493 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:03:12,501 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:03:12,505 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:03:12,509 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:03:12,511 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:03:12,516 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:03:12,516 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:03:12,517 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:03:12,518 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:03:12,519 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:03:12,520 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:03:12,521 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:03:12,521 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:03:12,523 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:03:12,527 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:03:12,528 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:03:12,528 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:03:12,531 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:03:12,531 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:03:12,532 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:03:12,533 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:03:12,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:03:12,538 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:03:12,566 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:03:12,566 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:03:12,569 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:03:12,570 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:03:12,570 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:03:12,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:03:12,570 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:03:12,572 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:03:12,572 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:03:12,572 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:03:12,573 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:03:12,574 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:03:12,574 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:03:12,574 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:03:12,575 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:03:12,577 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:03:12,577 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:03:12,577 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:03:12,577 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:03:12,578 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:03:12,578 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:03:12,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:03:12,578 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:03:12,578 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:03:12,579 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:03:12,582 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:03:12,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:03:12,582 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:03:12,582 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 -> 32bec6c4f79c2e7c076e1f90ef84b3b02cfe5535 [2019-11-26 17:03:12,958 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:03:12,976 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:03:12,982 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:03:12,985 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:03:12,986 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:03:12,990 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/ludcmp.c [2019-11-26 17:03:13,101 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f585c96c/2cf0d9afdb3d427da7cd041adf6f0738/FLAG97fbb4a41 [2019-11-26 17:03:13,834 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:03:13,839 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/ludcmp.c [2019-11-26 17:03:13,849 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f585c96c/2cf0d9afdb3d427da7cd041adf6f0738/FLAG97fbb4a41 [2019-11-26 17:03:14,137 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f585c96c/2cf0d9afdb3d427da7cd041adf6f0738 [2019-11-26 17:03:14,144 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:03:14,149 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:03:14,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:03:14,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:03:14,154 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:03:14,157 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:03:14" (1/1) ... [2019-11-26 17:03:14,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37ba7315 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:14, skipping insertion in model container [2019-11-26 17:03:14,165 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:03:14" (1/1) ... [2019-11-26 17:03:14,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:03:14,231 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:03:14,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:03:14,685 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:03:14,766 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:03:14,789 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:03:14,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:14 WrapperNode [2019-11-26 17:03:14,791 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:03:14,796 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:03:14,796 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:03:14,796 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:03:14,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:14" (1/1) ... [2019-11-26 17:03:14,844 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:14" (1/1) ... [2019-11-26 17:03:14,909 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:03:14,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:03:14,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:03:14,912 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:03:14,920 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:14" (1/1) ... [2019-11-26 17:03:14,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:14" (1/1) ... [2019-11-26 17:03:14,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:14" (1/1) ... [2019-11-26 17:03:14,939 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:14" (1/1) ... [2019-11-26 17:03:14,959 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:14" (1/1) ... [2019-11-26 17:03:14,972 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:14" (1/1) ... [2019-11-26 17:03:14,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:14" (1/1) ... [2019-11-26 17:03:14,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:03:14,989 INFO L168 Benchmark]: Toolchain (without parser) took 840.99 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 980.1 MB in the end (delta: -18.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:03:14,991 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. [2019-11-26 17:03:15,007 INFO L168 Benchmark]: CACSL2BoogieTranslator took 640.53 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 985.8 MB in the end (delta: -24.2 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. [2019-11-26 17:03:15,009 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.92 ms. Allocated memory is still 1.0 GB. Free memory was 985.8 MB in the beginning and 980.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:03:15,010 INFO L168 Benchmark]: Boogie Preprocessor took 72.67 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:03:15,013 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 640.53 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 985.8 MB in the end (delta: -24.2 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 115.92 ms. Allocated memory is still 1.0 GB. Free memory was 985.8 MB in the beginning and 980.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 72.67 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 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 0.1.24-025d5a2 [2019-11-26 17:03:17,705 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:03:17,710 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:03:17,734 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:03:17,736 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:03:17,738 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:03:17,742 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:03:17,752 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:03:17,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:03:17,763 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:03:17,765 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:03:17,769 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:03:17,769 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:03:17,773 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:03:17,776 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:03:17,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:03:17,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:03:17,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:03:17,787 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:03:17,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:03:17,797 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:03:17,803 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:03:17,804 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:03:17,807 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:03:17,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:03:17,814 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:03:17,814 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:03:17,817 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:03:17,817 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:03:17,818 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:03:17,822 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:03:17,823 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:03:17,823 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:03:17,825 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:03:17,827 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:03:17,828 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:03:17,829 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:03:17,830 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:03:17,830 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:03:17,831 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:03:17,837 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:03:17,838 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:03:17,865 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:03:17,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:03:17,868 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:03:17,872 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:03:17,872 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:03:17,872 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:03:17,873 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:03:17,873 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:03:17,873 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:03:17,873 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:03:17,874 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:03:17,874 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:03:17,875 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:03:17,877 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:03:17,877 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:03:17,877 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:03:17,878 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:03:17,878 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:03:17,878 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:03:17,878 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:03:17,878 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:03:17,879 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:03:17,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:03:17,879 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:03:17,882 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:03:17,882 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:03:17,882 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:03:17,882 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:03:17,883 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:03:17,883 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:03:17,884 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 -> 32bec6c4f79c2e7c076e1f90ef84b3b02cfe5535 [2019-11-26 17:03:18,316 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:03:18,335 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:03:18,341 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:03:18,342 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:03:18,344 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:03:18,348 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/ludcmp.c [2019-11-26 17:03:18,454 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dead3d651/c5d25dbeebd64b6d9518e853f8dc1f34/FLAGa436fc7e5 [2019-11-26 17:03:19,194 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:03:19,196 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/ludcmp.c [2019-11-26 17:03:19,209 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dead3d651/c5d25dbeebd64b6d9518e853f8dc1f34/FLAGa436fc7e5 [2019-11-26 17:03:19,482 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dead3d651/c5d25dbeebd64b6d9518e853f8dc1f34 [2019-11-26 17:03:19,493 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:03:19,494 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:03:19,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:03:19,502 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:03:19,504 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:03:19,508 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:03:19" (1/1) ... [2019-11-26 17:03:19,514 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37ba7315 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:19, skipping insertion in model container [2019-11-26 17:03:19,515 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:03:19" (1/1) ... [2019-11-26 17:03:19,532 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:03:19,592 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:03:20,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:03:20,019 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:03:20,185 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:03:20,237 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:03:20,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:20 WrapperNode [2019-11-26 17:03:20,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:03:20,239 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:03:20,239 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:03:20,239 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:03:20,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:20" (1/1) ... [2019-11-26 17:03:20,284 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:20" (1/1) ... [2019-11-26 17:03:20,341 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:03:20,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:03:20,344 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:03:20,344 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:03:20,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:20" (1/1) ... [2019-11-26 17:03:20,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:20" (1/1) ... [2019-11-26 17:03:20,372 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:20" (1/1) ... [2019-11-26 17:03:20,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:20" (1/1) ... [2019-11-26 17:03:20,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:20" (1/1) ... [2019-11-26 17:03:20,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:20" (1/1) ... [2019-11-26 17:03:20,444 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:20" (1/1) ... [2019-11-26 17:03:20,454 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:03:20,459 INFO L168 Benchmark]: Toolchain (without parser) took 962.02 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 984.0 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:03:20,462 INFO L168 Benchmark]: CDTParser took 0.38 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. [2019-11-26 17:03:20,464 INFO L168 Benchmark]: CACSL2BoogieTranslator took 737.14 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 989.7 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:03:20,466 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.62 ms. Allocated memory is still 1.0 GB. Free memory was 989.7 MB in the beginning and 984.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:03:20,473 INFO L168 Benchmark]: Boogie Preprocessor took 110.85 ms. Allocated memory is still 1.0 GB. Free memory is still 984.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:03:20,477 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 737.14 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 989.7 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 104.62 ms. Allocated memory is still 1.0 GB. Free memory was 989.7 MB in the beginning and 984.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 110.85 ms. Allocated memory is still 1.0 GB. Free memory is still 984.0 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...