./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/heap-manipulation/bubble_sort_linux-1.i --full-output --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 47b0bc17 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/heap-manipulation/bubble_sort_linux-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 0e11c684160c36739b32009d12dfc0b40146d3c7 --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-47b0bc1 [2019-11-20 23:46:48,983 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 23:46:48,986 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 23:46:49,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 23:46:49,014 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 23:46:49,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 23:46:49,021 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 23:46:49,033 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 23:46:49,040 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 23:46:49,046 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 23:46:49,047 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 23:46:49,051 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 23:46:49,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 23:46:49,054 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 23:46:49,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 23:46:49,058 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 23:46:49,059 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 23:46:49,062 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 23:46:49,064 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 23:46:49,070 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 23:46:49,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 23:46:49,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 23:46:49,084 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 23:46:49,086 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 23:46:49,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 23:46:49,092 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 23:46:49,092 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 23:46:49,095 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 23:46:49,096 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 23:46:49,097 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 23:46:49,097 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 23:46:49,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 23:46:49,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 23:46:49,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 23:46:49,105 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 23:46:49,106 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 23:46:49,107 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 23:46:49,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 23:46:49,110 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 23:46:49,111 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 23:46:49,112 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 23:46:49,113 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-20 23:46:49,140 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 23:46:49,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 23:46:49,145 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 23:46:49,145 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 23:46:49,145 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 23:46:49,145 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 23:46:49,146 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 23:46:49,147 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 23:46:49,147 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 23:46:49,147 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 23:46:49,148 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 23:46:49,149 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-20 23:46:49,149 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-20 23:46:49,149 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-20 23:46:49,152 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 23:46:49,152 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 23:46:49,152 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 23:46:49,152 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 23:46:49,153 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 23:46:49,153 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 23:46:49,153 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 23:46:49,153 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 23:46:49,154 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 23:46:49,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 23:46:49,154 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 23:46:49,156 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 23:46:49,157 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 23:46:49,157 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 23:46:49,157 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 23:46:49,157 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 -> 0e11c684160c36739b32009d12dfc0b40146d3c7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-20 23:46:49,552 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 23:46:49,570 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 23:46:49,576 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 23:46:49,580 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 23:46:49,581 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 23:46:49,582 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/heap-manipulation/bubble_sort_linux-1.i [2019-11-20 23:46:49,690 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5742e3ced/a6f2b96003ae46c1b88ae76aaf1105be/FLAG3092f731e [2019-11-20 23:46:50,598 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 23:46:50,600 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/bubble_sort_linux-1.i [2019-11-20 23:46:50,631 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5742e3ced/a6f2b96003ae46c1b88ae76aaf1105be/FLAG3092f731e [2019-11-20 23:46:50,739 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5742e3ced/a6f2b96003ae46c1b88ae76aaf1105be [2019-11-20 23:46:50,745 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 23:46:50,747 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-20 23:46:50,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 23:46:50,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 23:46:50,758 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 23:46:50,759 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:46:50" (1/1) ... [2019-11-20 23:46:50,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28315bd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:46:50, skipping insertion in model container [2019-11-20 23:46:50,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:46:50" (1/1) ... [2019-11-20 23:46:50,779 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 23:46:50,861 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-20 23:46:51,648 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-20 23:46:51,650 INFO L969 CHandler]: at location: C: (struct node *)((char *)(head)-(unsigned long)(&((struct node *)0)->linkage)) [849] [2019-11-20 23:46:51,650 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-20 23:46:51,673 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-20 23:46:51,674 INFO L969 CHandler]: at location: C: (struct node *)((char *)(head)-(unsigned long)(&((struct node *)0)->linkage)) [861] [2019-11-20 23:46:51,675 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-20 23:46:51,720 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-20 23:46:51,721 INFO L969 CHandler]: at location: C: (struct node *)((char *)(next)-(unsigned long)(&((struct node *)0)->linkage)) [907] [2019-11-20 23:46:51,721 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-20 23:46:51,729 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-20 23:46:51,729 INFO L969 CHandler]: at location: C: (struct node *)((char *)(head)-(unsigned long)(&((struct node *)0)->linkage)) [911] [2019-11-20 23:46:51,731 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-20 23:46:51,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 23:46:51,758 INFO L198 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-20 23:46:51,792 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-20 23:46:51,912 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 23:46:51,922 INFO L201 MainTranslator]: Completed pre-run [2019-11-20 23:46:52,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 23:46:52,230 INFO L205 MainTranslator]: Completed translation [2019-11-20 23:46:52,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:46:52 WrapperNode [2019-11-20 23:46:52,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 23:46:52,235 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 23:46:52,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 23:46:52,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 23:46:52,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:46:52" (1/1) ... [2019-11-20 23:46:52,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:46:52" (1/1) ... [2019-11-20 23:46:52,324 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:46:52" (1/1) ... [2019-11-20 23:46:52,327 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:46:52" (1/1) ... [2019-11-20 23:46:52,388 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:46:52" (1/1) ... [2019-11-20 23:46:52,405 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:46:52" (1/1) ... [2019-11-20 23:46:52,420 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:46:52" (1/1) ... [2019-11-20 23:46:52,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 23:46:52,451 INFO L168 Benchmark]: Toolchain (without parser) took 1700.14 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 932.2 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.1 MB. Max. memory is 12.5 GB. [2019-11-20 23:46:52,452 INFO L168 Benchmark]: CDTParser took 3.00 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. [2019-11-20 23:46:52,453 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1482.83 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 938.0 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.4 MB. Max. memory is 12.5 GB. [2019-11-20 23:46:52,455 INFO L168 Benchmark]: Boogie Preprocessor took 209.74 ms. Allocated memory is still 1.0 GB. Free memory was 938.0 MB in the beginning and 932.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-20 23:46:52,465 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.00 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 1482.83 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 938.0 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 209.74 ms. Allocated memory is still 1.0 GB. Free memory was 938.0 MB in the beginning and 932.2 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...