./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-properties/alternating_list-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 65d6cd23 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-properties/alternating_list-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 c86c31ba65e8769cfdcc728bfa7fc9963ff0709c ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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-properties/alternating_list-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 c86c31ba65e8769cfdcc728bfa7fc9963ff0709c .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-26 00:27:25,439 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:27:25,444 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:27:25,472 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:27:25,474 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:27:25,476 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:27:25,478 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:27:25,506 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:27:25,508 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:27:25,511 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:27:25,515 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:27:25,521 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:27:25,522 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:27:25,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:27:25,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:27:25,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:27:25,536 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:27:25,540 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:27:25,548 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:27:25,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:27:25,567 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:27:25,573 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:27:25,575 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:27:25,577 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:27:25,588 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:27:25,589 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:27:25,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:27:25,594 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:27:25,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:27:25,596 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:27:25,598 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:27:25,599 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:27:25,601 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:27:25,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:27:25,608 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:27:25,609 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:27:25,612 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:27:25,612 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:27:25,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:27:25,618 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:27:25,620 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:27:25,621 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 00:27:25,659 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:27:25,663 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:27:25,666 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:27:25,667 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:27:25,668 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:27:25,668 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:27:25,670 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:27:25,670 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:27:25,670 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:27:25,671 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:27:25,672 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:27:25,673 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:27:25,674 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:27:25,674 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:27:25,675 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:27:25,676 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:27:25,676 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:27:25,678 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:27:25,678 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:27:25,678 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:27:25,679 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:27:25,679 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:27:25,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:27:25,681 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:27:25,682 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:27:25,682 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:27:25,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:27:25,682 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 -> c86c31ba65e8769cfdcc728bfa7fc9963ff0709c [2019-11-26 00:27:26,216 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:27:26,249 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:27:26,256 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:27:26,259 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:27:26,261 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:27:26,262 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/alternating_list-1.i [2019-11-26 00:27:26,421 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e719a1f82/a081d93e182f4077a639b94e1bc4eb8f/FLAG91e8f3f54 [2019-11-26 00:27:27,651 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:27:27,653 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/alternating_list-1.i [2019-11-26 00:27:27,691 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e719a1f82/a081d93e182f4077a639b94e1bc4eb8f/FLAG91e8f3f54 [2019-11-26 00:27:27,735 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e719a1f82/a081d93e182f4077a639b94e1bc4eb8f [2019-11-26 00:27:27,747 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:27:27,754 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:27:27,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:27,758 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:27:27,768 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:27:27,770 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:27" (1/1) ... [2019-11-26 00:27:27,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35365046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:27, skipping insertion in model container [2019-11-26 00:27:27,779 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:27" (1/1) ... [2019-11-26 00:27:27,800 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:27:27,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:27:28,766 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:28,777 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:27:28,869 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:28,948 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:27:28,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:28 WrapperNode [2019-11-26 00:27:28,949 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:28,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:27:28,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:27:28,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:27:28,968 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:28" (1/1) ... [2019-11-26 00:27:28,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:28" (1/1) ... [2019-11-26 00:27:29,003 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:28" (1/1) ... [2019-11-26 00:27:29,003 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:28" (1/1) ... [2019-11-26 00:27:29,069 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:28" (1/1) ... [2019-11-26 00:27:29,085 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:28" (1/1) ... [2019-11-26 00:27:29,096 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:28" (1/1) ... [2019-11-26 00:27:29,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:27:29,120 INFO L168 Benchmark]: Toolchain (without parser) took 1361.06 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 978.2 MB in the end (delta: -16.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:27:29,121 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. [2019-11-26 00:27:29,135 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1193.78 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 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-26 00:27:29,138 INFO L168 Benchmark]: Boogie Preprocessor took 160.23 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:27:29,145 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 1193.78 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 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 160.23 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-26 00:27:33,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:27:33,006 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:27:33,047 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:27:33,048 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:27:33,052 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:27:33,057 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:27:33,073 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:27:33,076 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:27:33,084 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:27:33,085 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:27:33,090 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:27:33,091 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:27:33,098 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:27:33,101 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:27:33,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:27:33,110 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:27:33,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:27:33,120 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:27:33,127 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:27:33,136 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:27:33,142 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:27:33,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:27:33,149 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:27:33,157 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:27:33,158 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:27:33,158 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:27:33,161 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:27:33,164 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:27:33,165 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:27:33,167 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:27:33,168 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:27:33,171 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:27:33,174 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:27:33,177 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:27:33,179 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:27:33,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:27:33,183 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:27:33,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:27:33,184 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:27:33,188 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:27:33,189 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 00:27:33,229 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:27:33,230 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:27:33,235 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:27:33,236 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:27:33,236 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:27:33,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:27:33,239 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:27:33,240 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:27:33,240 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:27:33,240 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:27:33,242 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:27:33,242 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:27:33,242 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:27:33,244 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:27:33,245 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:27:33,246 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:27:33,246 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:27:33,246 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:27:33,249 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:27:33,249 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:27:33,250 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:27:33,250 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:27:33,250 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:27:33,251 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:27:33,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:27:33,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:27:33,255 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:27:33,255 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:27:33,256 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:27:33,256 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:27:33,257 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 -> c86c31ba65e8769cfdcc728bfa7fc9963ff0709c [2019-11-26 00:27:33,910 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:27:33,939 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:27:33,946 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:27:33,952 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:27:33,954 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:27:33,956 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/alternating_list-1.i [2019-11-26 00:27:34,121 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7cdaa9fa/2349b92db7c7410ab06a3796ed06cc45/FLAG549e83d74 [2019-11-26 00:27:35,292 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:27:35,296 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/alternating_list-1.i [2019-11-26 00:27:35,330 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7cdaa9fa/2349b92db7c7410ab06a3796ed06cc45/FLAG549e83d74 [2019-11-26 00:27:35,801 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7cdaa9fa/2349b92db7c7410ab06a3796ed06cc45 [2019-11-26 00:27:35,815 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:27:35,820 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:27:35,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:35,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:27:35,833 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:27:35,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:35" (1/1) ... [2019-11-26 00:27:35,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70d85277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:35, skipping insertion in model container [2019-11-26 00:27:35,847 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:35" (1/1) ... [2019-11-26 00:27:35,868 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:27:35,974 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:27:36,914 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:36,951 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:27:37,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:37,188 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:27:37,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:37 WrapperNode [2019-11-26 00:27:37,189 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:37,191 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:27:37,191 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:27:37,191 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:27:37,229 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:37" (1/1) ... [2019-11-26 00:27:37,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:37" (1/1) ... [2019-11-26 00:27:37,280 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:37" (1/1) ... [2019-11-26 00:27:37,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:37" (1/1) ... [2019-11-26 00:27:37,335 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:37" (1/1) ... [2019-11-26 00:27:37,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:37" (1/1) ... [2019-11-26 00:27:37,379 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:37" (1/1) ... [2019-11-26 00:27:37,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:27:37,414 INFO L168 Benchmark]: Toolchain (without parser) took 1581.70 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 979.7 MB in the end (delta: -16.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:27:37,418 INFO L168 Benchmark]: CDTParser took 1.34 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:27:37,423 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1364.54 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 979.7 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-26 00:27:37,426 INFO L168 Benchmark]: Boogie Preprocessor took 205.47 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:27:37,431 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.34 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 1364.54 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 979.7 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 205.47 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...