./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/forester-heap/dll-01-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/forester-heap/dll-01-2.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 877ba8a79b8b7ad33de53a48617e3dd4b0411834 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/dll-01-2.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 877ba8a79b8b7ad33de53a48617e3dd4b0411834 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 11:22:35,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:22:35,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:22:35,889 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:22:35,890 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:22:35,906 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:22:35,908 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:22:35,921 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:22:35,926 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:22:35,931 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:22:35,932 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:22:35,936 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:22:35,937 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:22:35,940 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:22:35,942 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:22:35,946 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:22:35,948 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:22:35,948 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:22:35,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:22:35,958 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:22:35,964 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:22:35,968 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:22:35,971 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:22:35,973 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:22:35,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:22:35,979 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:22:35,979 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:22:35,983 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:22:35,984 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:22:35,985 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:22:35,988 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:22:35,989 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:22:35,989 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:22:35,992 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:22:35,995 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:22:35,995 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:22:35,996 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:22:35,999 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:22:35,999 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:22:36,000 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:22:36,002 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:22:36,003 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:22:36,030 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:22:36,030 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:22:36,034 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:22:36,035 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:22:36,035 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:22:36,035 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:22:36,035 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:22:36,036 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:22:36,038 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:22:36,038 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:22:36,039 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:22:36,039 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:22:36,039 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:22:36,040 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:22:36,040 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:22:36,040 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:22:36,040 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:22:36,043 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:22:36,043 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:22:36,043 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:22:36,043 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:22:36,044 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:22:36,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:22:36,044 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:22:36,044 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:22:36,045 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:22:36,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:22:36,045 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 -> 877ba8a79b8b7ad33de53a48617e3dd4b0411834 [2019-11-27 11:22:36,444 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:22:36,461 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:22:36,468 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:22:36,469 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:22:36,469 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:22:36,471 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-01-2.i [2019-11-27 11:22:36,574 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3148a7d60/0ec1ca1242344e96ba0c7940ef9a1f0c/FLAGbb2303d5b [2019-11-27 11:22:37,394 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:22:37,397 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-01-2.i [2019-11-27 11:22:37,422 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3148a7d60/0ec1ca1242344e96ba0c7940ef9a1f0c/FLAGbb2303d5b [2019-11-27 11:22:37,618 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3148a7d60/0ec1ca1242344e96ba0c7940ef9a1f0c [2019-11-27 11:22:37,623 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:22:37,625 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:22:37,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:22:37,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:22:37,636 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:22:37,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:22:37" (1/1) ... [2019-11-27 11:22:37,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@286e58b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:37, skipping insertion in model container [2019-11-27 11:22:37,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:22:37" (1/1) ... [2019-11-27 11:22:37,651 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:22:37,737 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:22:38,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:22:38,368 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:22:38,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:22:38,571 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:22:38,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:38 WrapperNode [2019-11-27 11:22:38,573 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:22:38,575 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:22:38,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:22:38,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:22:38,597 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:38" (1/1) ... [2019-11-27 11:22:38,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:38" (1/1) ... [2019-11-27 11:22:38,628 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:38" (1/1) ... [2019-11-27 11:22:38,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:38" (1/1) ... [2019-11-27 11:22:38,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:38" (1/1) ... [2019-11-27 11:22:38,698 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:38" (1/1) ... [2019-11-27 11:22:38,703 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:38" (1/1) ... [2019-11-27 11:22:38,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:22:38,734 INFO L168 Benchmark]: Toolchain (without parser) took 1096.66 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 964.5 MB in the beginning and 978.5 MB in the end (delta: -14.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:22:38,735 INFO L168 Benchmark]: CDTParser took 0.63 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. [2019-11-27 11:22:38,743 INFO L168 Benchmark]: CACSL2BoogieTranslator took 941.62 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 964.5 MB in the beginning and 978.5 MB in the end (delta: -14.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 11:22:38,745 INFO L168 Benchmark]: Boogie Preprocessor took 145.00 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:22:38,749 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63 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 941.62 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 964.5 MB in the beginning and 978.5 MB in the end (delta: -14.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 145.00 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 11:22:41,384 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:22:41,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:22:41,416 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:22:41,416 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:22:41,418 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:22:41,420 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:22:41,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:22:41,440 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:22:41,443 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:22:41,445 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:22:41,450 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:22:41,451 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:22:41,453 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:22:41,455 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:22:41,457 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:22:41,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:22:41,461 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:22:41,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:22:41,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:22:41,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:22:41,480 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:22:41,482 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:22:41,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:22:41,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:22:41,492 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:22:41,492 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:22:41,496 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:22:41,497 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:22:41,497 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:22:41,498 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:22:41,498 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:22:41,501 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:22:41,502 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:22:41,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:22:41,507 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:22:41,508 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:22:41,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:22:41,508 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:22:41,509 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:22:41,512 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:22:41,513 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:22:41,541 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:22:41,541 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:22:41,546 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:22:41,546 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:22:41,546 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:22:41,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:22:41,547 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:22:41,547 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:22:41,547 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:22:41,547 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:22:41,548 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:22:41,548 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:22:41,549 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:22:41,550 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:22:41,550 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:22:41,550 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:22:41,551 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:22:41,551 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:22:41,553 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:22:41,553 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:22:41,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:22:41,553 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:22:41,554 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:22:41,554 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:22:41,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:22:41,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:22:41,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:22:41,556 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:22:41,556 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:22:41,556 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:22:41,557 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 -> 877ba8a79b8b7ad33de53a48617e3dd4b0411834 [2019-11-27 11:22:42,015 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:22:42,029 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:22:42,037 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:22:42,039 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:22:42,039 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:22:42,043 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-01-2.i [2019-11-27 11:22:42,149 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2852d6db/0a545891c0f3458a9aa2a193117ab869/FLAGca18a3590 [2019-11-27 11:22:42,975 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:22:42,977 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-01-2.i [2019-11-27 11:22:43,012 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2852d6db/0a545891c0f3458a9aa2a193117ab869/FLAGca18a3590 [2019-11-27 11:22:43,172 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2852d6db/0a545891c0f3458a9aa2a193117ab869 [2019-11-27 11:22:43,176 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:22:43,191 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:22:43,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:22:43,197 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:22:43,200 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:22:43,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:22:43" (1/1) ... [2019-11-27 11:22:43,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eb9fd83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:43, skipping insertion in model container [2019-11-27 11:22:43,209 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:22:43" (1/1) ... [2019-11-27 11:22:43,229 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:22:43,301 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:22:43,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:22:43,977 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:22:44,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:22:44,155 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:22:44,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:44 WrapperNode [2019-11-27 11:22:44,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:22:44,157 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:22:44,157 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:22:44,158 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:22:44,170 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:44" (1/1) ... [2019-11-27 11:22:44,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:44" (1/1) ... [2019-11-27 11:22:44,218 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:44" (1/1) ... [2019-11-27 11:22:44,219 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:44" (1/1) ... [2019-11-27 11:22:44,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:44" (1/1) ... [2019-11-27 11:22:44,298 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:44" (1/1) ... [2019-11-27 11:22:44,309 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:44" (1/1) ... [2019-11-27 11:22:44,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:22:44,340 INFO L168 Benchmark]: Toolchain (without parser) took 1156.13 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 972.7 MB in the end (delta: -11.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:22:44,342 INFO L168 Benchmark]: CDTParser took 0.30 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 11:22:44,343 INFO L168 Benchmark]: CACSL2BoogieTranslator took 962.85 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 978.4 MB in the end (delta: -16.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 11:22:44,345 INFO L168 Benchmark]: Boogie Preprocessor took 174.71 ms. Allocated memory is still 1.0 GB. Free memory was 978.4 MB in the beginning and 972.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:22:44,351 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 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 962.85 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 978.4 MB in the end (delta: -16.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 174.71 ms. Allocated memory is still 1.0 GB. Free memory was 978.4 MB in the beginning and 972.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...