./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/busybox-1.22.0/uniq-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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/busybox-1.22.0/uniq-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-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 64bit --witnessprinter.graph.data.programhash d4f3beee7d9a211cc04d5df24adf0d3371004e18 ............................................................................................................................... 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 -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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/busybox-1.22.0/uniq-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-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 64bit --witnessprinter.graph.data.programhash d4f3beee7d9a211cc04d5df24adf0d3371004e18 .................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 08:19:59,033 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 08:19:59,036 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 08:19:59,080 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 08:19:59,080 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 08:19:59,083 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 08:19:59,084 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 08:19:59,088 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 08:19:59,090 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 08:19:59,093 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 08:19:59,094 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 08:19:59,096 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 08:19:59,096 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 08:19:59,098 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 08:19:59,099 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 08:19:59,103 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 08:19:59,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 08:19:59,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 08:19:59,107 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 08:19:59,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 08:19:59,113 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 08:19:59,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 08:19:59,115 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 08:19:59,116 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 08:19:59,121 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 08:19:59,121 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 08:19:59,121 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 08:19:59,122 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 08:19:59,123 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 08:19:59,123 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 08:19:59,123 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 08:19:59,124 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 08:19:59,125 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 08:19:59,126 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 08:19:59,127 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 08:19:59,127 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 08:19:59,128 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 08:19:59,128 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 08:19:59,128 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 08:19:59,129 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 08:19:59,130 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 08:19:59,130 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2021-08-27 08:19:59,160 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 08:19:59,161 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 08:19:59,161 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 08:19:59,162 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 08:19:59,163 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 08:19:59,163 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 08:19:59,163 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 08:19:59,164 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 08:19:59,164 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 08:19:59,164 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 08:19:59,165 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 08:19:59,165 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-27 08:19:59,165 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-27 08:19:59,165 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-27 08:19:59,165 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-27 08:19:59,165 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-27 08:19:59,165 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 08:19:59,166 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 08:19:59,166 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 08:19:59,166 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-27 08:19:59,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 08:19:59,166 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 08:19:59,166 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-27 08:19:59,166 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 08:19:59,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-27 08:19:59,167 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 08:19:59,167 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4f3beee7d9a211cc04d5df24adf0d3371004e18 [2021-08-27 08:19:59,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 08:19:59,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 08:19:59,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 08:19:59,499 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 08:19:59,500 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 08:19:59,500 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/uniq-2.i [2021-08-27 08:19:59,541 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c1bc9f1e/2e1f03b18b3446008aa3c4eb67e43638/FLAG831fab828 [2021-08-27 08:20:00,039 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 08:20:00,039 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/uniq-2.i [2021-08-27 08:20:00,075 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c1bc9f1e/2e1f03b18b3446008aa3c4eb67e43638/FLAG831fab828 [2021-08-27 08:20:00,281 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c1bc9f1e/2e1f03b18b3446008aa3c4eb67e43638 [2021-08-27 08:20:00,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 08:20:00,285 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-27 08:20:00,287 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 08:20:00,288 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 08:20:00,290 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 08:20:00,290 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 08:20:00" (1/1) ... [2021-08-27 08:20:00,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b2f0987 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 08:20:00, skipping insertion in model container [2021-08-27 08:20:00,291 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 08:20:00" (1/1) ... [2021-08-27 08:20:00,296 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 08:20:00,371 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 08:20:01,186 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die [2021-08-27 08:20:01,187 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6dbd47c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 08:20:01, skipping insertion in model container [2021-08-27 08:20:01,187 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 08:20:01,188 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-08-27 08:20:01,189 INFO L168 Benchmark]: Toolchain (without parser) took 903.40 ms. Allocated memory was 56.6 MB in the beginning and 73.4 MB in the end (delta: 16.8 MB). Free memory was 29.9 MB in the beginning and 41.5 MB in the end (delta: -11.6 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. [2021-08-27 08:20:01,190 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 56.6 MB. Free memory was 38.7 MB in the beginning and 38.6 MB in the end (delta: 42.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 08:20:01,191 INFO L168 Benchmark]: CACSL2BoogieTranslator took 900.16 ms. Allocated memory was 56.6 MB in the beginning and 73.4 MB in the end (delta: 16.8 MB). Free memory was 29.8 MB in the beginning and 41.5 MB in the end (delta: -11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. [2021-08-27 08:20:01,193 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 56.6 MB. Free memory was 38.7 MB in the beginning and 38.6 MB in the end (delta: 42.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 900.16 ms. Allocated memory was 56.6 MB in the beginning and 73.4 MB in the end (delta: 16.8 MB). Free memory was 29.8 MB in the beginning and 41.5 MB in the end (delta: -11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2504]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 08:20:03,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 08:20:03,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 08:20:03,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 08:20:03,063 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 08:20:03,066 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 08:20:03,068 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 08:20:03,073 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 08:20:03,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 08:20:03,081 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 08:20:03,082 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 08:20:03,086 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 08:20:03,087 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 08:20:03,088 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 08:20:03,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 08:20:03,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 08:20:03,096 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 08:20:03,098 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 08:20:03,099 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 08:20:03,101 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 08:20:03,105 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 08:20:03,106 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 08:20:03,107 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 08:20:03,109 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 08:20:03,113 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 08:20:03,113 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 08:20:03,113 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 08:20:03,114 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 08:20:03,115 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 08:20:03,115 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 08:20:03,116 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 08:20:03,116 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 08:20:03,118 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 08:20:03,119 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 08:20:03,120 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 08:20:03,120 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 08:20:03,121 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 08:20:03,121 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 08:20:03,121 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 08:20:03,122 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 08:20:03,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 08:20:03,124 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2021-08-27 08:20:03,168 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 08:20:03,168 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 08:20:03,169 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 08:20:03,170 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 08:20:03,172 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 08:20:03,172 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 08:20:03,172 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 08:20:03,172 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 08:20:03,172 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 08:20:03,172 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 08:20:03,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 08:20:03,174 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-27 08:20:03,174 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-27 08:20:03,174 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-27 08:20:03,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-27 08:20:03,174 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-27 08:20:03,174 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-27 08:20:03,175 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-27 08:20:03,175 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 08:20:03,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 08:20:03,175 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 08:20:03,175 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-27 08:20:03,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 08:20:03,176 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 08:20:03,176 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-27 08:20:03,176 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-27 08:20:03,176 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-27 08:20:03,176 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 08:20:03,177 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-27 08:20:03,177 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4f3beee7d9a211cc04d5df24adf0d3371004e18 [2021-08-27 08:20:03,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 08:20:03,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 08:20:03,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 08:20:03,627 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 08:20:03,628 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 08:20:03,629 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/uniq-2.i [2021-08-27 08:20:03,681 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d45e394d/4419c53d7722415188b0475a48dedfa3/FLAG94ea5a353 [2021-08-27 08:20:04,267 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 08:20:04,268 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/uniq-2.i [2021-08-27 08:20:04,290 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d45e394d/4419c53d7722415188b0475a48dedfa3/FLAG94ea5a353 [2021-08-27 08:20:04,671 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d45e394d/4419c53d7722415188b0475a48dedfa3 [2021-08-27 08:20:04,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 08:20:04,675 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-27 08:20:04,678 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 08:20:04,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 08:20:04,697 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 08:20:04,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 08:20:04" (1/1) ... [2021-08-27 08:20:04,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11e2f6dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 08:20:04, skipping insertion in model container [2021-08-27 08:20:04,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 08:20:04" (1/1) ... [2021-08-27 08:20:04,705 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 08:20:04,773 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 08:20:05,528 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die [2021-08-27 08:20:05,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@b3399cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 08:20:05, skipping insertion in model container [2021-08-27 08:20:05,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 08:20:05,530 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-08-27 08:20:05,532 INFO L168 Benchmark]: Toolchain (without parser) took 855.36 ms. Allocated memory was 56.6 MB in the beginning and 90.2 MB in the end (delta: 33.6 MB). Free memory was 27.0 MB in the beginning and 55.8 MB in the end (delta: -28.8 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. [2021-08-27 08:20:05,532 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 56.6 MB. Free memory was 37.7 MB in the beginning and 37.7 MB in the end (delta: 71.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 08:20:05,533 INFO L168 Benchmark]: CACSL2BoogieTranslator took 851.79 ms. Allocated memory was 56.6 MB in the beginning and 90.2 MB in the end (delta: 33.6 MB). Free memory was 26.8 MB in the beginning and 55.8 MB in the end (delta: -29.0 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. [2021-08-27 08:20:05,535 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 56.6 MB. Free memory was 37.7 MB in the beginning and 37.7 MB in the end (delta: 71.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 851.79 ms. Allocated memory was 56.6 MB in the beginning and 90.2 MB in the end (delta: 33.6 MB). Free memory was 26.8 MB in the beginning and 55.8 MB in the end (delta: -29.0 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2504]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...