./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 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/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 0.1.24-65d6cd2 [2019-11-25 22:55:46,025 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:55:46,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:55:46,070 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:55:46,072 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:55:46,076 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:55:46,080 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:55:46,100 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:55:46,103 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:55:46,110 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:55:46,112 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:55:46,118 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:55:46,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:55:46,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:55:46,131 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:55:46,133 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:55:46,137 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:55:46,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:55:46,147 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:55:46,159 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:55:46,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:55:46,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:55:46,177 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:55:46,179 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:55:46,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:55:46,188 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:55:46,190 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:55:46,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:55:46,194 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:55:46,195 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:55:46,200 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:55:46,201 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:55:46,202 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:55:46,205 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:55:46,207 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:55:46,210 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:55:46,211 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:55:46,211 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:55:46,212 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:55:46,216 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:55:46,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:55:46,221 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:55:46,262 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:55:46,263 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:55:46,267 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:55:46,271 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:55:46,271 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:55:46,272 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:55:46,272 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:55:46,272 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:55:46,272 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:55:46,273 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:55:46,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:55:46,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:55:46,275 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:55:46,275 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:55:46,276 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:55:46,278 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:55:46,278 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:55:46,278 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:55:46,279 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:55:46,279 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:55:46,279 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:55:46,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:55:46,283 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:55:46,283 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:55:46,284 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:55:46,284 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:55:46,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:55:46,284 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:55:46,285 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 [2019-11-25 22:55:46,887 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:55:46,917 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:55:46,924 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:55:46,929 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:55:46,930 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:55:46,934 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/ludcmp.c [2019-11-25 22:55:47,087 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9060cfb43/dc07abc67af7408981dab900d7b670ea/FLAGf055d0cb9 [2019-11-25 22:55:48,058 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:55:48,061 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/ludcmp.c [2019-11-25 22:55:48,083 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9060cfb43/dc07abc67af7408981dab900d7b670ea/FLAGf055d0cb9 [2019-11-25 22:55:48,230 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9060cfb43/dc07abc67af7408981dab900d7b670ea [2019-11-25 22:55:48,238 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:55:48,241 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:55:48,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:48,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:55:48,255 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:55:48,256 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:48" (1/1) ... [2019-11-25 22:55:48,264 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@668d757e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:48, skipping insertion in model container [2019-11-25 22:55:48,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:48" (1/1) ... [2019-11-25 22:55:48,284 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:55:48,353 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:55:48,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:48,896 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:55:49,116 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:49,145 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:55:49,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:49 WrapperNode [2019-11-25 22:55:49,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:49,154 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:49,160 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:55:49,160 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:55:49,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:49" (1/1) ... [2019-11-25 22:55:49,198 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:49" (1/1) ... [2019-11-25 22:55:49,257 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:49,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:55:49,261 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:55:49,261 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:55:49,272 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:49" (1/1) ... [2019-11-25 22:55:49,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:49" (1/1) ... [2019-11-25 22:55:49,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:49" (1/1) ... [2019-11-25 22:55:49,292 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:49" (1/1) ... [2019-11-25 22:55:49,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:49" (1/1) ... [2019-11-25 22:55:49,336 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:49" (1/1) ... [2019-11-25 22:55:49,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:49" (1/1) ... [2019-11-25 22:55:49,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:55:49,356 INFO L168 Benchmark]: Toolchain (without parser) took 1114.18 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). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:55:49,372 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. [2019-11-25 22:55:49,374 INFO L168 Benchmark]: CACSL2BoogieTranslator took 900.23 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.5 MB in the end (delta: -29.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-25 22:55:49,377 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.28 ms. Allocated memory is still 1.0 GB. Free memory is still 991.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:55:49,380 INFO L168 Benchmark]: Boogie Preprocessor took 93.03 ms. Allocated memory is still 1.0 GB. Free memory was 991.5 MB in the beginning and 985.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:55:49,388 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 900.23 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.5 MB in the end (delta: -29.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 104.28 ms. Allocated memory is still 1.0 GB. Free memory is still 991.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 93.03 ms. Allocated memory is still 1.0 GB. Free memory was 991.5 MB in the beginning and 985.7 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 22:55:53,232 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:55:53,238 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:55:53,262 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:55:53,264 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:55:53,266 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:55:53,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:55:53,299 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:55:53,303 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:55:53,310 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:55:53,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:55:53,317 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:55:53,317 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:55:53,325 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:55:53,329 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:55:53,332 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:55:53,335 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:55:53,340 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:55:53,346 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:55:53,354 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:55:53,364 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:55:53,370 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:55:53,376 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:55:53,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:55:53,386 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:55:53,387 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:55:53,387 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:55:53,392 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:55:53,393 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:55:53,394 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:55:53,396 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:55:53,397 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:55:53,398 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:55:53,403 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:55:53,405 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:55:53,405 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:55:53,410 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:55:53,410 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:55:53,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:55:53,413 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:55:53,416 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:55:53,417 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:55:53,462 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:55:53,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:55:53,465 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:55:53,465 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:55:53,466 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:55:53,467 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:55:53,467 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:55:53,469 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:55:53,469 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:55:53,469 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:55:53,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:55:53,474 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:55:53,474 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:55:53,475 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:55:53,475 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:55:53,476 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:55:53,476 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:55:53,476 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:55:53,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:55:53,477 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:55:53,479 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:55:53,479 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:55:53,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:55:53,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:55:53,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:55:53,482 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:55:53,482 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:55:53,482 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:55:53,483 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:55:53,483 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:55:53,486 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 [2019-11-25 22:55:54,054 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:55:54,081 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:55:54,091 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:55:54,093 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:55:54,094 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:55:54,098 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/ludcmp.c [2019-11-25 22:55:54,219 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aafb45159/36524d4b60124d8eac27650ec7667ab8/FLAGa3925537f [2019-11-25 22:55:55,204 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:55:55,208 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/ludcmp.c [2019-11-25 22:55:55,230 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aafb45159/36524d4b60124d8eac27650ec7667ab8/FLAGa3925537f [2019-11-25 22:55:55,362 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aafb45159/36524d4b60124d8eac27650ec7667ab8 [2019-11-25 22:55:55,372 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:55:55,375 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:55:55,380 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:55,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:55:55,388 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:55:55,390 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:55" (1/1) ... [2019-11-25 22:55:55,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a6eb3d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:55, skipping insertion in model container [2019-11-25 22:55:55,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:55" (1/1) ... [2019-11-25 22:55:55,418 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:55:55,487 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:55:56,042 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:56,065 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:55:56,306 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:56,353 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:55:56,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:56 WrapperNode [2019-11-25 22:55:56,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:56,362 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:56,362 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:55:56,362 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:55:56,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:56" (1/1) ... [2019-11-25 22:55:56,421 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:56" (1/1) ... [2019-11-25 22:55:56,498 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:56,499 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:55:56,499 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:55:56,499 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:55:56,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:56" (1/1) ... [2019-11-25 22:55:56,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:56" (1/1) ... [2019-11-25 22:55:56,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:56" (1/1) ... [2019-11-25 22:55:56,533 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:56" (1/1) ... [2019-11-25 22:55:56,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:56" (1/1) ... [2019-11-25 22:55:56,600 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:56" (1/1) ... [2019-11-25 22:55:56,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:56" (1/1) ... [2019-11-25 22:55:56,622 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:55:56,631 INFO L168 Benchmark]: Toolchain (without parser) took 1249.49 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 984.1 MB in the end (delta: -16.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:55:56,641 INFO L168 Benchmark]: CDTParser took 0.53 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 22:55:56,645 INFO L168 Benchmark]: CACSL2BoogieTranslator took 974.29 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.3 MB in the end (delta: -23.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-25 22:55:56,646 INFO L168 Benchmark]: Boogie Procedure Inliner took 137.00 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 984.1 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 12.5 GB. [2019-11-25 22:55:56,647 INFO L168 Benchmark]: Boogie Preprocessor took 123.31 ms. Allocated memory is still 1.0 GB. Free memory is still 984.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:55:56,657 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 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 974.29 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.3 MB in the end (delta: -23.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 137.00 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 984.1 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 123.31 ms. Allocated memory is still 1.0 GB. Free memory is still 984.1 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...