./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/busybox-1.22.0/tac-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 5fbdf5bf 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/tac-1.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 67b95fb0884527cff4cd990f5c76069c4524d11d ............................................................................................................................... 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/tac-1.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 67b95fb0884527cff4cd990f5c76069c4524d11d .................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-30 19:39:51,766 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-30 19:39:51,769 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-30 19:39:51,809 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-30 19:39:51,810 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-30 19:39:51,814 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-30 19:39:51,815 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-30 19:39:51,820 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-30 19:39:51,823 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-30 19:39:51,827 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-30 19:39:51,828 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-30 19:39:51,832 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-30 19:39:51,832 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-30 19:39:51,835 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-30 19:39:51,836 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-30 19:39:51,840 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-30 19:39:51,841 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-30 19:39:51,842 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-30 19:39:51,844 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-30 19:39:51,850 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-30 19:39:51,852 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-30 19:39:51,853 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-30 19:39:51,854 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-30 19:39:51,856 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-30 19:39:51,862 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-30 19:39:51,862 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-30 19:39:51,862 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-30 19:39:51,864 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-30 19:39:51,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-30 19:39:51,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-30 19:39:51,865 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-30 19:39:51,866 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-30 19:39:51,867 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-30 19:39:51,868 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-30 19:39:51,869 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-30 19:39:51,869 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-30 19:39:51,870 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-30 19:39:51,870 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-30 19:39:51,870 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-30 19:39:51,872 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-30 19:39:51,872 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-30 19:39:51,873 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2021-08-30 19:39:51,910 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-30 19:39:51,910 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-30 19:39:51,911 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-30 19:39:51,911 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-30 19:39:51,913 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-30 19:39:51,913 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-30 19:39:51,913 INFO L138 SettingsManager]: * Use SBE=true [2021-08-30 19:39:51,914 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-30 19:39:51,914 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-30 19:39:51,914 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-30 19:39:51,915 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-30 19:39:51,915 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-30 19:39:51,915 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-30 19:39:51,915 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-30 19:39:51,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-30 19:39:51,916 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-30 19:39:51,916 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-30 19:39:51,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-30 19:39:51,916 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-30 19:39:51,916 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-30 19:39:51,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-30 19:39:51,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-30 19:39:51,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-30 19:39:51,917 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-30 19:39:51,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-30 19:39:51,918 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-30 19:39:51,922 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67b95fb0884527cff4cd990f5c76069c4524d11d [2021-08-30 19:39:52,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-30 19:39:52,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-30 19:39:52,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-30 19:39:52,276 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-30 19:39:52,277 INFO L275 PluginConnector]: CDTParser initialized [2021-08-30 19:39:52,278 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/tac-1.i [2021-08-30 19:39:52,345 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6651e04ff/b0ba5defe1454a6a9b89d27baf65d0de/FLAG6094d991b [2021-08-30 19:39:52,990 INFO L306 CDTParser]: Found 1 translation units. [2021-08-30 19:39:52,991 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/tac-1.i [2021-08-30 19:39:53,020 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6651e04ff/b0ba5defe1454a6a9b89d27baf65d0de/FLAG6094d991b [2021-08-30 19:39:53,149 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6651e04ff/b0ba5defe1454a6a9b89d27baf65d0de [2021-08-30 19:39:53,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-30 19:39:53,152 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-30 19:39:53,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-30 19:39:53,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-30 19:39:53,157 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-30 19:39:53,157 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 07:39:53" (1/1) ... [2021-08-30 19:39:53,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c868d78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 07:39:53, skipping insertion in model container [2021-08-30 19:39:53,161 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 07:39:53" (1/1) ... [2021-08-30 19:39:53,166 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-30 19:39:53,237 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-30 19:39:54,314 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-08-30 19:39:54,314 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7110b0a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 07:39:54, skipping insertion in model container [2021-08-30 19:39:54,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-30 19:39:54,315 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-08-30 19:39:54,317 INFO L158 Benchmark]: Toolchain (without parser) took 1163.79ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 32.3MB in the beginning and 31.4MB in the end (delta: 886.6kB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2021-08-30 19:39:54,318 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 50.3MB. Free memory was 32.1MB in the beginning and 32.1MB in the end (delta: 37.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-30 19:39:54,319 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1161.48ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 32.0MB in the beginning and 31.4MB in the end (delta: 629.7kB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2021-08-30 19:39:54,320 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54ms. Allocated memory is still 50.3MB. Free memory was 32.1MB in the beginning and 32.1MB in the end (delta: 37.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1161.48ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 32.0MB in the beginning and 31.4MB in the end (delta: 629.7kB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2259]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-30 19:39:55,974 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-30 19:39:55,977 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-30 19:39:56,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-30 19:39:56,027 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-30 19:39:56,032 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-30 19:39:56,033 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-30 19:39:56,039 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-30 19:39:56,041 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-30 19:39:56,046 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-30 19:39:56,047 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-30 19:39:56,052 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-30 19:39:56,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-30 19:39:56,055 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-30 19:39:56,056 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-30 19:39:56,061 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-30 19:39:56,062 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-30 19:39:56,062 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-30 19:39:56,065 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-30 19:39:56,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-30 19:39:56,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-30 19:39:56,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-30 19:39:56,078 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-30 19:39:56,079 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-30 19:39:56,081 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-30 19:39:56,081 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-30 19:39:56,090 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-30 19:39:56,092 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-30 19:39:56,093 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-30 19:39:56,094 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-30 19:39:56,094 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-30 19:39:56,095 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-30 19:39:56,096 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-30 19:39:56,097 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-30 19:39:56,098 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-30 19:39:56,099 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-30 19:39:56,099 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-30 19:39:56,100 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-30 19:39:56,100 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-30 19:39:56,102 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-30 19:39:56,102 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-30 19:39:56,103 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2021-08-30 19:39:56,141 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-30 19:39:56,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-30 19:39:56,143 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-30 19:39:56,143 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-30 19:39:56,145 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-30 19:39:56,145 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-30 19:39:56,145 INFO L138 SettingsManager]: * Use SBE=true [2021-08-30 19:39:56,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-30 19:39:56,146 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-30 19:39:56,146 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-30 19:39:56,147 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-30 19:39:56,147 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-30 19:39:56,147 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-30 19:39:56,148 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-30 19:39:56,148 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-30 19:39:56,148 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-30 19:39:56,148 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-30 19:39:56,148 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-30 19:39:56,149 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-30 19:39:56,149 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-30 19:39:56,149 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-30 19:39:56,149 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-30 19:39:56,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-30 19:39:56,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-30 19:39:56,150 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-30 19:39:56,150 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-30 19:39:56,150 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-30 19:39:56,150 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-30 19:39:56,151 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-30 19:39:56,151 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67b95fb0884527cff4cd990f5c76069c4524d11d [2021-08-30 19:39:56,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-30 19:39:56,452 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-30 19:39:56,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-30 19:39:56,455 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-30 19:39:56,456 INFO L275 PluginConnector]: CDTParser initialized [2021-08-30 19:39:56,457 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/tac-1.i [2021-08-30 19:39:56,514 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43fabf389/97db683ecd054722beff2e2ebf81b371/FLAGe7a419275 [2021-08-30 19:39:57,255 INFO L306 CDTParser]: Found 1 translation units. [2021-08-30 19:39:57,256 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/tac-1.i [2021-08-30 19:39:57,287 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43fabf389/97db683ecd054722beff2e2ebf81b371/FLAGe7a419275 [2021-08-30 19:39:57,524 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43fabf389/97db683ecd054722beff2e2ebf81b371 [2021-08-30 19:39:57,526 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-30 19:39:57,528 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-30 19:39:57,533 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-30 19:39:57,533 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-30 19:39:57,536 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-30 19:39:57,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 07:39:57" (1/1) ... [2021-08-30 19:39:57,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e6186cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 07:39:57, skipping insertion in model container [2021-08-30 19:39:57,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 07:39:57" (1/1) ... [2021-08-30 19:39:57,550 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-30 19:39:57,613 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-30 19:39:58,398 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-08-30 19:39:58,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@8e177d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 07:39:58, skipping insertion in model container [2021-08-30 19:39:58,400 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-30 19:39:58,401 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-08-30 19:39:58,404 INFO L158 Benchmark]: Toolchain (without parser) took 874.17ms. Allocated memory was 52.4MB in the beginning and 67.1MB in the end (delta: 14.7MB). Free memory was 24.2MB in the beginning and 36.6MB in the end (delta: -12.4MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2021-08-30 19:39:58,405 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 52.4MB. Free memory was 33.8MB in the beginning and 33.8MB in the end (delta: 38.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-30 19:39:58,407 INFO L158 Benchmark]: CACSL2BoogieTranslator took 867.39ms. Allocated memory was 52.4MB in the beginning and 67.1MB in the end (delta: 14.7MB). Free memory was 24.0MB in the beginning and 36.6MB in the end (delta: -12.6MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2021-08-30 19:39:58,409 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 52.4MB. Free memory was 33.8MB in the beginning and 33.8MB in the end (delta: 38.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 867.39ms. Allocated memory was 52.4MB in the beginning and 67.1MB in the end (delta: 14.7MB). Free memory was 24.0MB in the beginning and 36.6MB in the end (delta: -12.6MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2259]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...