./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 da95e156 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-da95e15 [2019-11-27 09:50:46,396 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:50:46,401 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:50:46,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:50:46,428 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:50:46,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:50:46,432 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:50:46,441 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:50:46,448 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:50:46,453 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:50:46,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:50:46,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:50:46,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:50:46,468 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:50:46,470 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:50:46,471 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:50:46,476 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:50:46,477 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:50:46,479 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:50:46,488 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:50:46,491 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:50:46,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:50:46,498 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:50:46,500 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:50:46,504 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:50:46,506 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:50:46,506 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:50:46,508 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:50:46,509 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:50:46,510 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:50:46,512 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:50:46,513 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:50:46,513 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:50:46,516 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:50:46,519 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:50:46,519 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:50:46,520 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:50:46,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:50:46,523 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:50:46,524 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:50:46,525 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:50:46,526 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:50:46,566 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:50:46,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:50:46,570 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:50:46,571 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:50:46,571 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:50:46,574 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:50:46,574 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:50:46,574 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:50:46,574 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:50:46,575 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:50:46,576 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:50:46,576 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:50:46,576 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:50:46,576 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:50:46,577 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:50:46,577 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:50:46,577 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:50:46,579 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:50:46,579 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:50:46,579 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:50:46,579 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:50:46,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:50:46,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:50:46,580 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:50:46,580 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:50:46,582 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:50:46,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:50:46,582 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:50:46,582 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 [2019-11-27 09:50:47,035 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:50:47,050 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:50:47,058 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:50:47,059 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:50:47,061 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:50:47,062 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/ludcmp.c [2019-11-27 09:50:47,161 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea773dd6b/673462c2abf1477696bacca958d0ef8b/FLAGa8324ad41 [2019-11-27 09:50:47,882 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:50:47,883 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/ludcmp.c [2019-11-27 09:50:47,896 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea773dd6b/673462c2abf1477696bacca958d0ef8b/FLAGa8324ad41 [2019-11-27 09:50:48,175 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea773dd6b/673462c2abf1477696bacca958d0ef8b [2019-11-27 09:50:48,186 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:50:48,188 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:50:48,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:48,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:50:48,200 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:50:48,201 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:48" (1/1) ... [2019-11-27 09:50:48,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7db1c4d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:48, skipping insertion in model container [2019-11-27 09:50:48,206 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:48" (1/1) ... [2019-11-27 09:50:48,219 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:50:48,268 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:50:48,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:48,723 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:50:48,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:48,840 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:50:48,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:48 WrapperNode [2019-11-27 09:50:48,842 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:48,847 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:48,847 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:50:48,847 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:50:48,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:48" (1/1) ... [2019-11-27 09:50:48,876 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:48" (1/1) ... [2019-11-27 09:50:48,921 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:48,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:50:48,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:50:48,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:50:48,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:48" (1/1) ... [2019-11-27 09:50:48,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:48" (1/1) ... [2019-11-27 09:50:48,946 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:48" (1/1) ... [2019-11-27 09:50:48,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:48" (1/1) ... [2019-11-27 09:50:48,971 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:48" (1/1) ... [2019-11-27 09:50:48,984 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:48" (1/1) ... [2019-11-27 09:50:48,988 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:48" (1/1) ... [2019-11-27 09:50:48,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:50:49,000 INFO L168 Benchmark]: Toolchain (without parser) took 809.36 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 980.0 MB in the end (delta: -18.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:49,002 INFO L168 Benchmark]: CDTParser took 1.80 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:49,015 INFO L168 Benchmark]: CACSL2BoogieTranslator took 648.61 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 985.7 MB in the end (delta: -24.0 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:49,018 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.52 ms. Allocated memory is still 1.0 GB. Free memory was 985.7 MB in the beginning and 980.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:49,019 INFO L168 Benchmark]: Boogie Preprocessor took 72.29 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:49,022 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.80 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 648.61 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 985.7 MB in the end (delta: -24.0 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 75.52 ms. Allocated memory is still 1.0 GB. Free memory was 985.7 MB in the beginning and 980.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 72.29 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 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... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:50:51,725 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:50:51,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:50:51,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:50:51,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:50:51,760 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:50:51,762 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:50:51,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:50:51,779 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:50:51,785 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:50:51,788 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:50:51,789 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:50:51,790 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:50:51,791 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:50:51,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:50:51,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:50:51,799 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:50:51,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:50:51,805 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:50:51,809 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:50:51,814 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:50:51,821 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:50:51,825 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:50:51,827 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:50:51,831 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:50:51,832 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:50:51,832 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:50:51,836 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:50:51,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:50:51,837 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:50:51,837 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:50:51,838 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:50:51,840 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:50:51,842 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:50:51,845 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:50:51,846 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:50:51,847 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:50:51,848 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:50:51,848 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:50:51,849 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:50:51,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:50:51,854 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:50:51,882 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:50:51,884 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:50:51,886 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:50:51,889 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:50:51,889 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:50:51,889 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:50:51,890 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:50:51,890 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:50:51,890 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:50:51,890 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:50:51,891 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:50:51,892 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:50:51,892 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:50:51,892 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:50:51,894 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:50:51,894 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:50:51,894 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:50:51,894 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:50:51,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:50:51,895 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:50:51,895 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:50:51,897 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:50:51,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:50:51,897 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:50:51,897 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:50:51,898 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:50:51,898 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:50:51,898 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:50:51,898 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:50:51,898 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:50:51,901 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 [2019-11-27 09:50:52,345 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:50:52,361 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:50:52,366 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:50:52,372 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:50:52,372 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:50:52,373 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/ludcmp.c [2019-11-27 09:50:52,475 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fee33f45/7887740aae31427a82a59636d3a923e0/FLAGd44e72ab8 [2019-11-27 09:50:53,182 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:50:53,186 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/ludcmp.c [2019-11-27 09:50:53,202 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fee33f45/7887740aae31427a82a59636d3a923e0/FLAGd44e72ab8 [2019-11-27 09:50:53,510 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fee33f45/7887740aae31427a82a59636d3a923e0 [2019-11-27 09:50:53,517 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:50:53,521 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:50:53,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:53,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:50:53,528 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:50:53,533 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:53" (1/1) ... [2019-11-27 09:50:53,539 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62a61c09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:53, skipping insertion in model container [2019-11-27 09:50:53,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:53" (1/1) ... [2019-11-27 09:50:53,556 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:50:53,602 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:50:54,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:54,043 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:50:54,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:54,178 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:50:54,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:54 WrapperNode [2019-11-27 09:50:54,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:54,180 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:54,180 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:50:54,180 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:50:54,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:54" (1/1) ... [2019-11-27 09:50:54,218 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:54" (1/1) ... [2019-11-27 09:50:54,284 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:54,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:50:54,288 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:50:54,288 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:50:54,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:54" (1/1) ... [2019-11-27 09:50:54,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:54" (1/1) ... [2019-11-27 09:50:54,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:54" (1/1) ... [2019-11-27 09:50:54,317 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:54" (1/1) ... [2019-11-27 09:50:54,350 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:54" (1/1) ... [2019-11-27 09:50:54,373 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:54" (1/1) ... [2019-11-27 09:50:54,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:54" (1/1) ... [2019-11-27 09:50:54,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:50:54,397 INFO L168 Benchmark]: Toolchain (without parser) took 875.38 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 958.8 MB in the beginning and 984.3 MB in the end (delta: -25.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:54,408 INFO L168 Benchmark]: CDTParser took 2.41 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:54,409 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.14 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 958.8 MB in the beginning and 990.0 MB in the end (delta: -31.2 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:54,410 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.40 ms. Allocated memory is still 1.0 GB. Free memory was 990.0 MB in the beginning and 984.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:54,411 INFO L168 Benchmark]: Boogie Preprocessor took 106.94 ms. Allocated memory is still 1.0 GB. Free memory is still 984.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:54,415 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.41 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 654.14 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 958.8 MB in the beginning and 990.0 MB in the end (delta: -31.2 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 107.40 ms. Allocated memory is still 1.0 GB. Free memory was 990.0 MB in the beginning and 984.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 106.94 ms. Allocated memory is still 1.0 GB. Free memory is still 984.3 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...