./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/termination-crafted/Cairo_step2-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 509859d6 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/termination-crafted/Cairo_step2-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c7d1dab681440b8e4fbe52aab1c781a8a0ad5fbc ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/termination-crafted/Cairo_step2-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c7d1dab681440b8e4fbe52aab1c781a8a0ad5fbc ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 17:46:30,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:46:30,268 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:46:30,290 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:46:30,294 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:46:30,296 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:46:30,298 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:46:30,310 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:46:30,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:46:30,321 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:46:30,322 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:46:30,327 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:46:30,327 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:46:30,329 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:46:30,332 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:46:30,335 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:46:30,336 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:46:30,339 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:46:30,342 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:46:30,348 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:46:30,354 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:46:30,358 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:46:30,359 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:46:30,363 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:46:30,367 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:46:30,368 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:46:30,368 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:46:30,370 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:46:30,373 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:46:30,374 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:46:30,374 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:46:30,375 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:46:30,375 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:46:30,377 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:46:30,381 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:46:30,382 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:46:30,383 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:46:30,383 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:46:30,383 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:46:30,384 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:46:30,387 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:46:30,388 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-27 17:46:30,416 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:46:30,416 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:46:30,419 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:46:30,421 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:46:30,421 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:46:30,421 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:46:30,421 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:46:30,422 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:46:30,424 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:46:30,424 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:46:30,425 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:46:30,425 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:46:30,425 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:46:30,426 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:46:30,426 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:46:30,426 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:46:30,426 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:46:30,427 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:46:30,429 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:46:30,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:46:30,429 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:46:30,429 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:46:30,430 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:46:30,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:46:30,430 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7d1dab681440b8e4fbe52aab1c781a8a0ad5fbc [2019-11-27 17:46:30,885 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:46:30,903 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:46:30,909 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:46:30,912 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:46:30,915 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:46:30,916 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Cairo_step2-1.c [2019-11-27 17:46:31,019 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbe65cc19/b8d08dd1f7ba4e03a0990c8f65b8a101/FLAG428b15d66 [2019-11-27 17:46:31,691 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:46:31,694 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Cairo_step2-1.c [2019-11-27 17:46:31,709 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbe65cc19/b8d08dd1f7ba4e03a0990c8f65b8a101/FLAG428b15d66 [2019-11-27 17:46:32,042 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbe65cc19/b8d08dd1f7ba4e03a0990c8f65b8a101 [2019-11-27 17:46:32,052 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:46:32,055 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:46:32,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:32,060 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:46:32,066 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:46:32,067 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:32" (1/1) ... [2019-11-27 17:46:32,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fac7363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:32, skipping insertion in model container [2019-11-27 17:46:32,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:32" (1/1) ... [2019-11-27 17:46:32,088 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:46:32,119 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:46:32,419 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:32,430 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:46:32,456 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:32,480 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:46:32,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:32 WrapperNode [2019-11-27 17:46:32,486 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:32,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:46:32,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:46:32,488 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:46:32,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:32" (1/1) ... [2019-11-27 17:46:32,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:32" (1/1) ... [2019-11-27 17:46:32,579 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:32" (1/1) ... [2019-11-27 17:46:32,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:32" (1/1) ... [2019-11-27 17:46:32,584 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:32" (1/1) ... [2019-11-27 17:46:32,589 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:32" (1/1) ... [2019-11-27 17:46:32,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:32" (1/1) ... [2019-11-27 17:46:32,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:46:32,609 INFO L168 Benchmark]: Toolchain (without parser) took 539.85 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 997.0 MB in the end (delta: -35.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:32,613 INFO L168 Benchmark]: CDTParser took 0.22 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 17:46:32,614 INFO L168 Benchmark]: CACSL2BoogieTranslator took 427.20 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:32,616 INFO L168 Benchmark]: Boogie Preprocessor took 105.42 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:32,624 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 427.20 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 105.42 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 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 0.1.24-509859d [2019-11-27 17:46:35,310 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:46:35,312 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:46:35,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:46:35,336 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:46:35,344 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:46:35,348 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:46:35,360 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:46:35,367 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:46:35,371 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:46:35,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:46:35,377 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:46:35,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:46:35,380 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:46:35,383 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:46:35,385 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:46:35,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:46:35,389 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:46:35,393 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:46:35,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:46:35,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:46:35,410 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:46:35,412 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:46:35,413 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:46:35,417 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:46:35,417 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:46:35,417 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:46:35,422 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:46:35,422 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:46:35,423 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:46:35,423 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:46:35,424 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:46:35,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:46:35,427 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:46:35,430 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:46:35,432 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:46:35,433 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:46:35,433 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:46:35,433 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:46:35,434 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:46:35,438 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:46:35,438 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-27 17:46:35,466 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:46:35,467 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:46:35,469 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:46:35,471 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:46:35,471 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:46:35,471 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:46:35,471 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:46:35,472 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:46:35,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:46:35,474 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:46:35,474 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:46:35,474 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:46:35,474 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:46:35,475 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:46:35,475 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:46:35,475 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:46:35,475 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:46:35,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:46:35,479 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:46:35,479 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:46:35,479 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:46:35,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:46:35,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:46:35,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:46:35,480 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:46:35,480 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:46:35,481 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:46:35,481 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7d1dab681440b8e4fbe52aab1c781a8a0ad5fbc [2019-11-27 17:46:35,833 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:46:35,851 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:46:35,856 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:46:35,860 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:46:35,860 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:46:35,861 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Cairo_step2-1.c [2019-11-27 17:46:35,966 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/422cd76c1/73cd6047edc44a84baafa364449a2def/FLAG4047be554 [2019-11-27 17:46:36,671 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:46:36,672 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Cairo_step2-1.c [2019-11-27 17:46:36,685 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/422cd76c1/73cd6047edc44a84baafa364449a2def/FLAG4047be554 [2019-11-27 17:46:36,999 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/422cd76c1/73cd6047edc44a84baafa364449a2def [2019-11-27 17:46:37,006 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:46:37,008 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:46:37,012 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:37,012 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:46:37,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:46:37,018 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:37" (1/1) ... [2019-11-27 17:46:37,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fac7363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:37, skipping insertion in model container [2019-11-27 17:46:37,027 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:37" (1/1) ... [2019-11-27 17:46:37,038 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:46:37,057 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:46:37,309 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:37,316 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:46:37,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:37,360 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:46:37,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:37 WrapperNode [2019-11-27 17:46:37,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:37,362 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:46:37,362 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:46:37,362 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:46:37,435 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:37" (1/1) ... [2019-11-27 17:46:37,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:37" (1/1) ... [2019-11-27 17:46:37,441 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:37" (1/1) ... [2019-11-27 17:46:37,442 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:37" (1/1) ... [2019-11-27 17:46:37,454 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:37" (1/1) ... [2019-11-27 17:46:37,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:37" (1/1) ... [2019-11-27 17:46:37,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:37" (1/1) ... [2019-11-27 17:46:37,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:46:37,469 INFO L168 Benchmark]: Toolchain (without parser) took 456.87 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 997.1 MB in the end (delta: -34.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:37,470 INFO L168 Benchmark]: CDTParser took 1.90 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 17:46:37,471 INFO L168 Benchmark]: CACSL2BoogieTranslator took 349.30 ms. Allocated memory is still 1.0 GB. Free memory was 963.1 MB in the beginning and 951.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:37,473 INFO L168 Benchmark]: Boogie Preprocessor took 100.76 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 951.7 MB in the beginning and 997.1 MB in the end (delta: -45.5 MB). Peak memory consumption was 9.0 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:37,477 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.90 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 349.30 ms. Allocated memory is still 1.0 GB. Free memory was 963.1 MB in the beginning and 951.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 100.76 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 951.7 MB in the beginning and 997.1 MB in the end (delta: -45.5 MB). Peak memory consumption was 9.0 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...