./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/termination-crafted/4NestedWith3Variables-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/termination-crafted/4NestedWith3Variables-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 208a8efcd2fd6b8ea52a20177afd9722587411ce ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/4NestedWith3Variables-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 208a8efcd2fd6b8ea52a20177afd9722587411ce .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-26 00:28:35,278 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:28:35,280 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:28:35,300 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:28:35,301 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:28:35,308 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:28:35,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:28:35,325 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:28:35,331 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:28:35,336 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:28:35,337 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:28:35,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:28:35,343 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:28:35,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:28:35,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:28:35,350 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:28:35,354 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:28:35,355 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:28:35,358 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:28:35,363 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:28:35,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:28:35,374 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:28:35,376 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:28:35,380 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:28:35,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:28:35,386 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:28:35,386 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:28:35,388 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:28:35,389 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:28:35,391 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:28:35,392 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:28:35,392 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:28:35,394 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:28:35,397 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:28:35,399 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:28:35,399 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:28:35,400 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:28:35,402 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:28:35,402 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:28:35,403 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:28:35,405 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:28:35,406 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-26 00:28:35,437 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:28:35,439 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:28:35,443 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:28:35,443 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:28:35,443 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:28:35,444 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:28:35,447 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:28:35,447 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:28:35,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:28:35,447 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:28:35,448 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:28:35,449 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:28:35,449 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:28:35,449 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:28:35,449 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:28:35,450 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:28:35,450 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:28:35,450 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:28:35,450 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:28:35,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:28:35,451 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:28:35,451 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:28:35,454 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:28:35,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:28:35,454 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 -> 208a8efcd2fd6b8ea52a20177afd9722587411ce [2019-11-26 00:28:35,864 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:28:35,882 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:28:35,885 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:28:35,892 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:28:35,892 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:28:35,893 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/4NestedWith3Variables-1.c [2019-11-26 00:28:35,989 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee63a1110/ce457886d8f74de3ac530f799a9740a5/FLAG08717a952 [2019-11-26 00:28:36,670 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:28:36,671 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/4NestedWith3Variables-1.c [2019-11-26 00:28:36,682 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee63a1110/ce457886d8f74de3ac530f799a9740a5/FLAG08717a952 [2019-11-26 00:28:37,021 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee63a1110/ce457886d8f74de3ac530f799a9740a5 [2019-11-26 00:28:37,024 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:28:37,026 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:28:37,032 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:37,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:28:37,035 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:28:37,036 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:37" (1/1) ... [2019-11-26 00:28:37,044 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ccb7bb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:37, skipping insertion in model container [2019-11-26 00:28:37,044 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:37" (1/1) ... [2019-11-26 00:28:37,055 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:28:37,074 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:28:37,338 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:37,344 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:28:37,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:37,372 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:28:37,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:37 WrapperNode [2019-11-26 00:28:37,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:37,373 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:28:37,374 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:28:37,374 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:28:37,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:37" (1/1) ... [2019-11-26 00:28:37,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:37" (1/1) ... [2019-11-26 00:28:37,456 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:37" (1/1) ... [2019-11-26 00:28:37,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:37" (1/1) ... [2019-11-26 00:28:37,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:37" (1/1) ... [2019-11-26 00:28:37,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:37" (1/1) ... [2019-11-26 00:28:37,470 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:37" (1/1) ... [2019-11-26 00:28:37,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:28:37,492 INFO L168 Benchmark]: Toolchain (without parser) took 449.15 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:37,494 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:28:37,497 INFO L168 Benchmark]: CACSL2BoogieTranslator took 341.10 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. [2019-11-26 00:28:37,499 INFO L168 Benchmark]: Boogie Preprocessor took 99.22 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 991.3 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:37,505 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 341.10 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 99.22 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 991.3 MB in the end (delta: -41.1 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 0.1.24-65d6cd2 [2019-11-26 00:28:40,293 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:28:40,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:28:40,320 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:28:40,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:28:40,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:28:40,335 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:28:40,351 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:28:40,357 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:28:40,362 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:28:40,363 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:28:40,367 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:28:40,367 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:28:40,370 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:28:40,373 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:28:40,374 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:28:40,378 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:28:40,378 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:28:40,381 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:28:40,387 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:28:40,396 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:28:40,400 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:28:40,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:28:40,403 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:28:40,407 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:28:40,411 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:28:40,411 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:28:40,413 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:28:40,413 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:28:40,414 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:28:40,414 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:28:40,415 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:28:40,418 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:28:40,420 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:28:40,421 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:28:40,423 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:28:40,424 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:28:40,426 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:28:40,426 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:28:40,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:28:40,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:28:40,432 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-26 00:28:40,457 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:28:40,460 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:28:40,462 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:28:40,463 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:28:40,463 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:28:40,463 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:28:40,465 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:28:40,465 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:28:40,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:28:40,465 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:28:40,466 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:28:40,467 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:28:40,467 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:28:40,468 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:28:40,468 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:28:40,468 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:28:40,469 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:28:40,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:28:40,470 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:28:40,470 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:28:40,470 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:28:40,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:28:40,473 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:28:40,473 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:28:40,473 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:28:40,473 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:28:40,474 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:28:40,474 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 -> 208a8efcd2fd6b8ea52a20177afd9722587411ce [2019-11-26 00:28:40,957 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:28:40,975 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:28:40,981 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:28:40,982 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:28:40,984 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:28:40,985 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/4NestedWith3Variables-1.c [2019-11-26 00:28:41,086 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21a1ffaba/dbeea5e746d343a2acb62962aa99dcd3/FLAG2d8bd3a04 [2019-11-26 00:28:41,752 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:28:41,753 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/4NestedWith3Variables-1.c [2019-11-26 00:28:41,765 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21a1ffaba/dbeea5e746d343a2acb62962aa99dcd3/FLAG2d8bd3a04 [2019-11-26 00:28:42,096 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21a1ffaba/dbeea5e746d343a2acb62962aa99dcd3 [2019-11-26 00:28:42,102 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:28:42,105 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:28:42,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:42,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:28:42,118 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:28:42,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:42" (1/1) ... [2019-11-26 00:28:42,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a9cbd7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:42, skipping insertion in model container [2019-11-26 00:28:42,122 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:42" (1/1) ... [2019-11-26 00:28:42,134 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:28:42,153 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:28:42,448 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:42,456 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:28:42,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:42,490 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:28:42,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:42 WrapperNode [2019-11-26 00:28:42,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:42,492 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:28:42,493 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:28:42,493 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:28:42,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:42" (1/1) ... [2019-11-26 00:28:42,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:42" (1/1) ... [2019-11-26 00:28:42,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:42" (1/1) ... [2019-11-26 00:28:42,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:42" (1/1) ... [2019-11-26 00:28:42,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:42" (1/1) ... [2019-11-26 00:28:42,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:42" (1/1) ... [2019-11-26 00:28:42,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:42" (1/1) ... [2019-11-26 00:28:42,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:28:42,605 INFO L168 Benchmark]: Toolchain (without parser) took 499.23 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.2 MB in the end (delta: -25.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:42,606 INFO L168 Benchmark]: CDTParser took 1.40 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. [2019-11-26 00:28:42,612 INFO L168 Benchmark]: CACSL2BoogieTranslator took 381.11 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.4 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:42,614 INFO L168 Benchmark]: Boogie Preprocessor took 108.12 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.4 MB in the beginning and 991.2 MB in the end (delta: -36.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:42,618 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.40 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 381.11 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.4 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 108.12 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.4 MB in the beginning and 991.2 MB in the end (delta: -36.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...