./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/dll2c_append_unequal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-simple/dll2c_append_unequal.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 bbba94f2f04b60d63941eafbcb1f4bac5dd19069 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/list-simple/dll2c_append_unequal.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 bbba94f2f04b60d63941eafbcb1f4bac5dd19069 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 17:45:21,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:22,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:22,037 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:22,038 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:22,040 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:22,045 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:22,064 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:22,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:22,073 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:22,078 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:22,082 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:22,082 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:22,089 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:22,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:22,096 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:22,101 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:22,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:22,109 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:22,121 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:22,127 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:22,135 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:22,138 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:22,142 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:22,149 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:22,151 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:22,151 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:22,155 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:22,155 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:22,157 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:22,160 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:22,161 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:22,161 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:22,166 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:22,168 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:22,168 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:22,170 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:22,171 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:22,173 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:22,174 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:22,177 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:22,179 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:45:22,220 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:22,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:22,223 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:22,225 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:22,225 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:22,226 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:22,228 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:22,228 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:22,228 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:22,229 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:22,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:22,230 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:22,231 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:22,233 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:22,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:22,234 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:22,234 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:22,234 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:22,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:22,235 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:22,238 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:22,238 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:22,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:22,239 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:22,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:22,240 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:45:22,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:45:22,240 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 -> bbba94f2f04b60d63941eafbcb1f4bac5dd19069 [2019-11-27 17:45:22,896 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:22,925 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:22,931 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:22,935 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:22,937 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:22,938 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_append_unequal.i [2019-11-27 17:45:23,095 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/792000bf5/2a62ea8a3a1f4c1687f5468b5d9b3944/FLAGcf60f0be5 [2019-11-27 17:45:24,334 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:24,338 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_append_unequal.i [2019-11-27 17:45:24,378 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/792000bf5/2a62ea8a3a1f4c1687f5468b5d9b3944/FLAGcf60f0be5 [2019-11-27 17:45:24,421 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/792000bf5/2a62ea8a3a1f4c1687f5468b5d9b3944 [2019-11-27 17:45:24,433 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:24,435 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:24,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:24,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:24,448 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:24,449 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:24" (1/1) ... [2019-11-27 17:45:24,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9334ae0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:24, skipping insertion in model container [2019-11-27 17:45:24,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:24" (1/1) ... [2019-11-27 17:45:24,479 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:24,585 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:25,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:25,549 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:25,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:25,832 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:25,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:25 WrapperNode [2019-11-27 17:45:25,837 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:25,839 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:25,839 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:25,841 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:25,866 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:25" (1/1) ... [2019-11-27 17:45:25,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:25" (1/1) ... [2019-11-27 17:45:25,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:25" (1/1) ... [2019-11-27 17:45:25,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:25" (1/1) ... [2019-11-27 17:45:25,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:25" (1/1) ... [2019-11-27 17:45:26,010 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:25" (1/1) ... [2019-11-27 17:45:26,020 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:25" (1/1) ... [2019-11-27 17:45:26,035 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:26,048 INFO L168 Benchmark]: Toolchain (without parser) took 1604.71 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 966.8 MB in the end (delta: -835.1 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:26,049 INFO L168 Benchmark]: CDTParser took 4.02 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 17:45:26,066 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1400.68 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 972.5 MB in the end (delta: -6.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:26,071 INFO L168 Benchmark]: Boogie Preprocessor took 198.31 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:26,082 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.02 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 1400.68 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 972.5 MB in the end (delta: -6.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 198.31 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 17:45:29,968 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:29,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:29,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:29,997 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:29,999 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:30,002 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:30,031 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:30,035 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:30,043 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:30,046 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:30,050 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:30,055 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:30,059 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:30,062 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:30,069 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:30,071 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:30,076 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:30,081 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:30,090 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:30,098 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:30,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:30,106 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:30,110 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:30,117 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:30,117 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:30,119 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:30,122 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:30,124 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:30,125 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:30,127 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:30,131 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:30,132 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:30,136 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:30,138 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:30,140 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:30,141 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:30,143 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:30,143 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:30,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:30,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:30,154 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:45:30,194 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:30,197 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:30,200 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:30,202 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:30,202 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:30,203 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:30,203 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:30,203 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:30,205 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:30,205 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:30,207 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:30,208 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:30,208 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:30,211 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:30,212 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:30,212 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:30,212 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:45:30,213 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:45:30,213 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:30,213 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:30,214 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:30,214 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:30,216 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:30,216 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:30,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:30,217 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:30,219 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:30,219 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:45:30,219 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:45:30,220 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:45:30,221 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 -> bbba94f2f04b60d63941eafbcb1f4bac5dd19069 [2019-11-27 17:45:30,803 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:30,831 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:30,839 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:30,842 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:30,846 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:30,848 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_append_unequal.i [2019-11-27 17:45:31,007 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ab8be740/892592183dcb4abfb354e7bb09b10ff5/FLAG85af272ea [2019-11-27 17:45:32,188 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:32,195 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_append_unequal.i [2019-11-27 17:45:32,232 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ab8be740/892592183dcb4abfb354e7bb09b10ff5/FLAG85af272ea [2019-11-27 17:45:32,674 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ab8be740/892592183dcb4abfb354e7bb09b10ff5 [2019-11-27 17:45:32,678 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:32,683 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:32,693 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:32,694 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:32,698 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:32,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:32" (1/1) ... [2019-11-27 17:45:32,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f36d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:32, skipping insertion in model container [2019-11-27 17:45:32,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:32" (1/1) ... [2019-11-27 17:45:32,719 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:32,826 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:33,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:33,837 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:33,991 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:34,115 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:34,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:34 WrapperNode [2019-11-27 17:45:34,117 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:34,117 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:34,118 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:34,118 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:34,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:34" (1/1) ... [2019-11-27 17:45:34,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:34" (1/1) ... [2019-11-27 17:45:34,194 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:34" (1/1) ... [2019-11-27 17:45:34,195 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:34" (1/1) ... [2019-11-27 17:45:34,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:34" (1/1) ... [2019-11-27 17:45:34,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:34" (1/1) ... [2019-11-27 17:45:34,317 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:34" (1/1) ... [2019-11-27 17:45:34,334 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:34,345 INFO L168 Benchmark]: Toolchain (without parser) took 1658.91 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 974.0 MB in the end (delta: -8.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:34,346 INFO L168 Benchmark]: CDTParser took 2.94 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 17:45:34,356 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1423.91 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 979.8 MB in the end (delta: -13.8 MB). Peak memory consumption was 26.4 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:34,365 INFO L168 Benchmark]: Boogie Preprocessor took 221.20 ms. Allocated memory is still 1.0 GB. Free memory was 979.8 MB in the beginning and 974.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:34,380 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.94 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 1423.91 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 979.8 MB in the end (delta: -13.8 MB). Peak memory consumption was 26.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 221.20 ms. Allocated memory is still 1.0 GB. Free memory was 979.8 MB in the beginning and 974.0 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...