./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/forester-heap/dll-queue-1.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/forester-heap/dll-queue-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 549337a323b926b9a8625736d036f89842644e76 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-queue-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 549337a323b926b9a8625736d036f89842644e76 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:45:04,070 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:04,078 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:04,110 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:04,111 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:04,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:04,119 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:04,137 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:04,145 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:04,150 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:04,152 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:04,160 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:04,161 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:04,166 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:04,170 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:04,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:04,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:04,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:04,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:04,190 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:04,200 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:04,210 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:04,212 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:04,215 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:04,222 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:04,223 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:04,223 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:04,227 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:04,229 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:04,232 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:04,235 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:04,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:04,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:04,241 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:04,244 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:04,245 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:04,247 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:04,250 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:04,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:04,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:04,257 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:04,258 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:45:04,299 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:04,303 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:04,306 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:04,308 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:04,308 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:04,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:04,310 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:04,310 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:04,310 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:04,312 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:04,313 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:04,313 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:04,317 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:04,318 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:04,318 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:04,318 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:04,318 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:04,319 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:04,319 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:04,319 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:04,320 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:04,320 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:04,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:04,322 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:04,322 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:04,322 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:45:04,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:45:04,323 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 -> 549337a323b926b9a8625736d036f89842644e76 [2019-11-27 17:45:04,936 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:04,965 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:04,974 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:04,977 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:04,981 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:04,982 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-queue-1.i [2019-11-27 17:45:05,143 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23c162812/31cf4dabac5f45128ab05772b0b6f38a/FLAGd541bd994 [2019-11-27 17:45:06,372 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:06,373 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-queue-1.i [2019-11-27 17:45:06,413 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23c162812/31cf4dabac5f45128ab05772b0b6f38a/FLAGd541bd994 [2019-11-27 17:45:06,441 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23c162812/31cf4dabac5f45128ab05772b0b6f38a [2019-11-27 17:45:06,447 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:06,449 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:06,466 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:06,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:06,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:06,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:06" (1/1) ... [2019-11-27 17:45:06,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b5eb229 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:06, skipping insertion in model container [2019-11-27 17:45:06,489 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:06" (1/1) ... [2019-11-27 17:45:06,509 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:06,621 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:07,599 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:07,626 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:07,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:07,896 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:07,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:07 WrapperNode [2019-11-27 17:45:07,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:07,902 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:07,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:07,904 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:07,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:07" (1/1) ... [2019-11-27 17:45:07,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:07" (1/1) ... [2019-11-27 17:45:07,998 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:07" (1/1) ... [2019-11-27 17:45:08,005 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:07" (1/1) ... [2019-11-27 17:45:08,068 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:07" (1/1) ... [2019-11-27 17:45:08,099 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:07" (1/1) ... [2019-11-27 17:45:08,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:07" (1/1) ... [2019-11-27 17:45:08,126 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:08,138 INFO L168 Benchmark]: Toolchain (without parser) took 1681.49 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 972.8 MB in the end (delta: -11.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:08,153 INFO L168 Benchmark]: CDTParser took 1.97 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:08,156 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1435.24 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 978.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:08,161 INFO L168 Benchmark]: Boogie Preprocessor took 226.06 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:08,165 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.97 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 1435.24 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 978.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 226.06 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.8 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 17:45:12,067 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:12,076 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:12,107 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:12,113 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:12,115 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:12,118 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:12,136 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:12,140 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:12,146 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:12,148 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:12,152 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:12,156 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:12,160 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:12,164 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:12,170 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:12,175 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:12,178 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:12,182 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:12,191 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:12,201 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:12,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:12,213 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:12,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:12,223 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:12,224 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:12,224 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:12,228 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:12,229 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:12,231 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:12,234 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:12,237 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:12,238 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:12,240 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:12,243 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:12,247 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:12,249 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:12,249 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:12,249 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:12,250 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:12,256 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:12,257 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:45:12,296 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:12,298 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:12,303 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:12,304 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:12,304 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:12,306 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:12,306 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:12,307 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:12,307 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:12,309 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:12,310 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:12,310 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:12,311 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:12,311 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:12,314 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:12,314 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:12,314 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:45:12,315 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:45:12,315 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:12,315 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:12,316 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:12,316 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:12,317 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:12,320 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:12,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:12,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:12,321 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:12,321 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:45:12,321 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:45:12,322 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:45:12,323 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 -> 549337a323b926b9a8625736d036f89842644e76 [2019-11-27 17:45:12,969 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:12,998 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:13,002 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:13,009 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:13,010 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:13,015 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-queue-1.i [2019-11-27 17:45:13,169 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f88cb4579/0969ea5001024e6aa4d5a6c08ec5a035/FLAGfcb3a43c3 [2019-11-27 17:45:14,389 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:14,396 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-queue-1.i [2019-11-27 17:45:14,440 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f88cb4579/0969ea5001024e6aa4d5a6c08ec5a035/FLAGfcb3a43c3 [2019-11-27 17:45:14,856 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f88cb4579/0969ea5001024e6aa4d5a6c08ec5a035 [2019-11-27 17:45:14,864 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:14,866 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:14,880 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:14,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:14,888 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:14,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:14" (1/1) ... [2019-11-27 17:45:14,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e00e37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:14, skipping insertion in model container [2019-11-27 17:45:14,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:14" (1/1) ... [2019-11-27 17:45:14,906 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:15,026 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:15,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:15,987 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:16,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:16,261 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:16,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:16 WrapperNode [2019-11-27 17:45:16,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:16,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:16,268 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:16,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:16,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:16" (1/1) ... [2019-11-27 17:45:16,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:16" (1/1) ... [2019-11-27 17:45:16,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:16" (1/1) ... [2019-11-27 17:45:16,362 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:16" (1/1) ... [2019-11-27 17:45:16,430 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:16" (1/1) ... [2019-11-27 17:45:16,461 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:16" (1/1) ... [2019-11-27 17:45:16,471 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:16" (1/1) ... [2019-11-27 17:45:16,504 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:16,512 INFO L168 Benchmark]: Toolchain (without parser) took 1644.91 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 974.0 MB in the end (delta: -13.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:16,513 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:16,516 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1385.46 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 979.8 MB in the end (delta: -19.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:16,525 INFO L168 Benchmark]: Boogie Preprocessor took 241.72 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 17:45:16,536 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 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 1385.46 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 979.8 MB in the end (delta: -19.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 241.72 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...