./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/sll2n_remove_all.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/sll2n_remove_all.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 a3189d7d4e71631c5441bd903e5049703e07b8be ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/sll2n_remove_all.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 a3189d7d4e71631c5441bd903e5049703e07b8be .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 17:45:44,623 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:44,627 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:44,653 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:44,654 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:44,656 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:44,660 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:44,670 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:44,677 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:44,680 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:44,681 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:44,685 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:44,686 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:44,689 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:44,690 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:44,693 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:44,695 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:44,696 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:44,701 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:44,704 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:44,710 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:44,715 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:44,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:44,719 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:44,724 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:44,724 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:44,725 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:44,726 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:44,727 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:44,729 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:44,730 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:44,730 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:44,732 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:44,733 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:44,735 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:44,735 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:44,738 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:44,738 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:44,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:44,739 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:44,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:44,741 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:45:44,768 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:44,771 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:44,773 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:44,773 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:44,773 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:44,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:44,774 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:44,774 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:44,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:44,776 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:44,777 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:44,777 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:44,777 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:44,777 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:44,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:44,778 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:44,778 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:44,778 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:44,781 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:44,781 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:44,781 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:44,781 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:44,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:44,782 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:44,782 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:44,782 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:45:44,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:45:44,783 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 -> a3189d7d4e71631c5441bd903e5049703e07b8be [2019-11-27 17:45:45,201 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:45,219 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:45,225 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:45,230 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:45,230 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:45,231 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_remove_all.i [2019-11-27 17:45:45,337 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ee11b678/784220fabb134590b2385875269233d3/FLAGcb5b72477 [2019-11-27 17:45:46,189 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:46,190 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_remove_all.i [2019-11-27 17:45:46,217 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ee11b678/784220fabb134590b2385875269233d3/FLAGcb5b72477 [2019-11-27 17:45:46,361 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ee11b678/784220fabb134590b2385875269233d3 [2019-11-27 17:45:46,369 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:46,371 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:46,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:46,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:46,378 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:46,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:46" (1/1) ... [2019-11-27 17:45:46,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dcc7aa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:46, skipping insertion in model container [2019-11-27 17:45:46,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:46" (1/1) ... [2019-11-27 17:45:46,402 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:46,470 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:47,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:47,069 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:47,159 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:47,239 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:47,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:47 WrapperNode [2019-11-27 17:45:47,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:47,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:47,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:47,246 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:47,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:47" (1/1) ... [2019-11-27 17:45:47,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:47" (1/1) ... [2019-11-27 17:45:47,323 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:47" (1/1) ... [2019-11-27 17:45:47,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:47" (1/1) ... [2019-11-27 17:45:47,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:47" (1/1) ... [2019-11-27 17:45:47,374 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:47" (1/1) ... [2019-11-27 17:45:47,385 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:47" (1/1) ... [2019-11-27 17:45:47,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:47,406 INFO L168 Benchmark]: Toolchain (without parser) took 1033.98 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 972.6 MB in the end (delta: -10.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:47,412 INFO L168 Benchmark]: CDTParser took 0.48 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 17:45:47,414 INFO L168 Benchmark]: CACSL2BoogieTranslator took 866.49 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 972.6 MB in the end (delta: -10.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:47,415 INFO L168 Benchmark]: Boogie Preprocessor took 156.88 ms. Allocated memory is still 1.0 GB. Free memory is still 972.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:47,423 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 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 866.49 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 972.6 MB in the end (delta: -10.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 156.88 ms. Allocated memory is still 1.0 GB. Free memory is still 972.6 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 17:45:50,084 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:45:50,089 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:45:50,114 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:45:50,115 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:45:50,117 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:45:50,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:45:50,132 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:45:50,139 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:45:50,146 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:45:50,147 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:45:50,149 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:45:50,150 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:45:50,153 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:45:50,155 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:45:50,158 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:45:50,160 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:45:50,164 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:45:50,167 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:45:50,170 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:45:50,176 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:45:50,182 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:45:50,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:45:50,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:45:50,191 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:45:50,192 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:45:50,192 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:45:50,194 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:45:50,194 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:45:50,196 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:45:50,197 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:45:50,199 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:45:50,200 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:45:50,202 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:45:50,203 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:45:50,207 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:45:50,208 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:45:50,208 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:45:50,209 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:45:50,209 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:45:50,210 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:45:50,212 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:45:50,243 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:45:50,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:45:50,245 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:45:50,245 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:45:50,246 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:45:50,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:45:50,246 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:45:50,246 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:45:50,246 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:45:50,247 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:45:50,249 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:45:50,249 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:45:50,249 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:45:50,249 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:45:50,253 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:45:50,253 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:45:50,253 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:45:50,253 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:45:50,254 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:45:50,254 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:45:50,254 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:45:50,254 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:45:50,255 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:45:50,255 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:45:50,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:45:50,255 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:45:50,255 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:45:50,256 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:45:50,256 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:45:50,256 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:45:50,257 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 -> a3189d7d4e71631c5441bd903e5049703e07b8be [2019-11-27 17:45:50,710 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:45:50,725 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:45:50,731 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:45:50,733 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:45:50,733 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:45:50,734 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_remove_all.i [2019-11-27 17:45:50,836 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1af738207/88bcf99eab9349a7b3d7e0c766a59dd3/FLAGf87303115 [2019-11-27 17:45:51,626 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:45:51,627 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_remove_all.i [2019-11-27 17:45:51,653 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1af738207/88bcf99eab9349a7b3d7e0c766a59dd3/FLAGf87303115 [2019-11-27 17:45:51,849 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1af738207/88bcf99eab9349a7b3d7e0c766a59dd3 [2019-11-27 17:45:51,856 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:45:51,857 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:45:51,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:51,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:45:51,871 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:45:51,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:51" (1/1) ... [2019-11-27 17:45:51,877 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dcc7aa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:51, skipping insertion in model container [2019-11-27 17:45:51,877 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:45:51" (1/1) ... [2019-11-27 17:45:51,892 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:45:51,960 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:45:52,582 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:52,608 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:45:52,709 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:45:52,798 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:45:52,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:52 WrapperNode [2019-11-27 17:45:52,800 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:45:52,801 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:45:52,801 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:45:52,803 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:45:52,822 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:52" (1/1) ... [2019-11-27 17:45:52,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:52" (1/1) ... [2019-11-27 17:45:52,863 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:52" (1/1) ... [2019-11-27 17:45:52,864 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:52" (1/1) ... [2019-11-27 17:45:52,914 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:52" (1/1) ... [2019-11-27 17:45:52,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:52" (1/1) ... [2019-11-27 17:45:52,938 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:45:52" (1/1) ... [2019-11-27 17:45:52,956 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:45:52,959 INFO L168 Benchmark]: Toolchain (without parser) took 1100.85 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 966.8 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:45:52,961 INFO L168 Benchmark]: CDTParser took 1.19 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 17:45:52,966 INFO L168 Benchmark]: CACSL2BoogieTranslator took 937.12 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 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:45:52,967 INFO L168 Benchmark]: Boogie Preprocessor took 155.03 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 17:45:52,974 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.19 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 937.12 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 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 155.03 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...