./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/forester-heap/sll-optional-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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/forester-heap/sll-optional-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 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 32bit --witnessprinter.graph.data.programhash 31978db89ae521f3f75fa608730a1f5cd4ee8ad4 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/forester-heap/sll-optional-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 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 32bit --witnessprinter.graph.data.programhash 31978db89ae521f3f75fa608730a1f5cd4ee8ad4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:27:17,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:27:17,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:27:17,247 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:27:17,248 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:27:17,252 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:27:17,258 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:27:17,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:27:17,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:27:17,283 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:27:17,284 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:27:17,289 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:27:17,291 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:27:17,296 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:27:17,298 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:27:17,300 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:27:17,305 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:27:17,313 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:27:17,317 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:27:17,326 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:27:17,334 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:27:17,341 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:27:17,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:27:17,347 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:27:17,356 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:27:17,356 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:27:17,359 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:27:17,361 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:27:17,362 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:27:17,364 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:27:17,368 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:27:17,369 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:27:17,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:27:17,373 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:27:17,375 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:27:17,378 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:27:17,379 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:27:17,381 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:27:17,381 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:27:17,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:27:17,388 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:27:17,389 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 00:27:17,431 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:27:17,432 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:27:17,435 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:27:17,437 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:27:17,437 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:27:17,438 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:27:17,440 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:27:17,440 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:27:17,440 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:27:17,441 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:27:17,442 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:27:17,445 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:27:17,445 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:27:17,446 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:27:17,446 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:27:17,447 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:27:17,447 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:27:17,447 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:27:17,450 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:27:17,450 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:27:17,451 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:27:17,451 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:27:17,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:27:17,452 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:27:17,452 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:27:17,454 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:27:17,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:27:17,454 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31978db89ae521f3f75fa608730a1f5cd4ee8ad4 [2019-11-26 00:27:18,108 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:27:18,153 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:27:18,162 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:27:18,167 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:27:18,168 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:27:18,171 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/sll-optional-1.i [2019-11-26 00:27:18,326 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7d394d5a/cbc4e1ab233d42e5b4c77ab3b6f3e82e/FLAG669525e90 [2019-11-26 00:27:19,546 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:27:19,548 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-optional-1.i [2019-11-26 00:27:19,585 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7d394d5a/cbc4e1ab233d42e5b4c77ab3b6f3e82e/FLAG669525e90 [2019-11-26 00:27:20,028 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7d394d5a/cbc4e1ab233d42e5b4c77ab3b6f3e82e [2019-11-26 00:27:20,036 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:27:20,044 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:27:20,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:20,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:27:20,057 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:27:20,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:20" (1/1) ... [2019-11-26 00:27:20,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@453b4ac2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:20, skipping insertion in model container [2019-11-26 00:27:20,068 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:20" (1/1) ... [2019-11-26 00:27:20,088 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:27:20,195 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:27:21,061 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:21,084 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:27:21,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:21,319 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:27:21,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:21 WrapperNode [2019-11-26 00:27:21,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:21,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:27:21,322 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:27:21,322 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:27:21,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:21" (1/1) ... [2019-11-26 00:27:21,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:21" (1/1) ... [2019-11-26 00:27:21,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:21" (1/1) ... [2019-11-26 00:27:21,395 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:21" (1/1) ... [2019-11-26 00:27:21,448 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:21" (1/1) ... [2019-11-26 00:27:21,469 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:21" (1/1) ... [2019-11-26 00:27:21,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:21" (1/1) ... [2019-11-26 00:27:21,493 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:27:21,519 INFO L168 Benchmark]: Toolchain (without parser) took 1464.91 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 979.6 MB in the end (delta: -13.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:27:21,526 INFO L168 Benchmark]: CDTParser took 0.87 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 00:27:21,531 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1274.25 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 979.6 MB in the end (delta: -13.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-26 00:27:21,532 INFO L168 Benchmark]: Boogie Preprocessor took 174.50 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:27:21,538 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.87 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 1274.25 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 979.6 MB in the end (delta: -13.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 174.50 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-26 00:27:25,675 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:27:25,681 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:27:25,709 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:27:25,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:27:25,713 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:27:25,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:27:25,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:27:25,747 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:27:25,754 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:27:25,757 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:27:25,761 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:27:25,762 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:27:25,769 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:27:25,771 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:27:25,775 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:27:25,779 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:27:25,787 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:27:25,790 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:27:25,798 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:27:25,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:27:25,811 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:27:25,813 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:27:25,815 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:27:25,825 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:27:25,828 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:27:25,828 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:27:25,831 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:27:25,831 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:27:25,835 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:27:25,835 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:27:25,837 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:27:25,838 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:27:25,842 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:27:25,844 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:27:25,847 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:27:25,848 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:27:25,851 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:27:25,851 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:27:25,854 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:27:25,857 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:27:25,858 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 00:27:25,908 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:27:25,910 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:27:25,917 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:27:25,918 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:27:25,918 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:27:25,918 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:27:25,919 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:27:25,919 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:27:25,919 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:27:25,920 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:27:25,921 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:27:25,921 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:27:25,922 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:27:25,924 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:27:25,924 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:27:25,925 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:27:25,925 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:27:25,925 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:27:25,925 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:27:25,927 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:27:25,927 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:27:25,928 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:27:25,928 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:27:25,930 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:27:25,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:27:25,930 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:27:25,932 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:27:25,932 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:27:25,932 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:27:25,935 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:27:25,936 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31978db89ae521f3f75fa608730a1f5cd4ee8ad4 [2019-11-26 00:27:26,527 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:27:26,559 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:27:26,569 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:27:26,571 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:27:26,572 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:27:26,573 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/sll-optional-1.i [2019-11-26 00:27:26,734 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/742d70a98/2b01482400d04d7894f0fb0dbfff8959/FLAG883155068 [2019-11-26 00:27:27,906 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:27:27,907 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-optional-1.i [2019-11-26 00:27:27,946 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/742d70a98/2b01482400d04d7894f0fb0dbfff8959/FLAG883155068 [2019-11-26 00:27:28,400 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/742d70a98/2b01482400d04d7894f0fb0dbfff8959 [2019-11-26 00:27:28,409 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:27:28,417 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:27:28,419 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:28,422 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:27:28,426 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:27:28,430 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:28" (1/1) ... [2019-11-26 00:27:28,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3788b2a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:28, skipping insertion in model container [2019-11-26 00:27:28,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:28" (1/1) ... [2019-11-26 00:27:28,475 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:27:28,600 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:27:29,474 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:29,500 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:27:29,627 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:29,743 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:27:29,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:29 WrapperNode [2019-11-26 00:27:29,745 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:29,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:27:29,748 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:27:29,748 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:27:29,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:29" (1/1) ... [2019-11-26 00:27:29,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:29" (1/1) ... [2019-11-26 00:27:29,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:29" (1/1) ... [2019-11-26 00:27:29,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:29" (1/1) ... [2019-11-26 00:27:29,886 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:29" (1/1) ... [2019-11-26 00:27:29,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:29" (1/1) ... [2019-11-26 00:27:29,912 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:29" (1/1) ... [2019-11-26 00:27:29,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:27:29,942 INFO L168 Benchmark]: Toolchain (without parser) took 1519.26 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 979.7 MB in the end (delta: -12.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:27:29,943 INFO L168 Benchmark]: CDTParser took 2.57 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 00:27:29,953 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1327.09 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 979.7 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:27:29,955 INFO L168 Benchmark]: Boogie Preprocessor took 181.68 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:27:29,966 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.57 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 1327.09 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 979.7 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 181.68 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 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...