./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/busybox-1.22.0/head-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 35987657 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/head-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 a1bb832e4d0e7c4dd1ff4f93df210c31ebafb64a6fafe0f8b3e3b578f6bcdd32 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 23:40:34,120 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 23:40:34,123 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 23:40:34,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 23:40:34,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 23:40:34,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 23:40:34,167 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 23:40:34,170 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 23:40:34,176 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 23:40:34,181 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 23:40:34,182 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 23:40:34,187 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 23:40:34,187 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 23:40:34,189 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 23:40:34,191 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 23:40:34,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 23:40:34,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 23:40:34,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 23:40:34,197 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 23:40:34,202 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 23:40:34,204 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 23:40:34,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 23:40:34,206 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 23:40:34,207 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 23:40:34,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 23:40:34,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 23:40:34,216 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 23:40:34,216 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 23:40:34,217 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 23:40:34,217 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 23:40:34,218 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 23:40:34,218 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 23:40:34,220 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 23:40:34,221 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 23:40:34,222 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 23:40:34,223 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 23:40:34,223 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 23:40:34,224 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 23:40:34,224 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 23:40:34,224 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 23:40:34,225 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 23:40:34,226 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 23:40:34,231 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2022-07-21 23:40:34,252 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 23:40:34,254 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 23:40:34,254 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 23:40:34,255 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 23:40:34,255 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 23:40:34,256 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 23:40:34,256 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 23:40:34,256 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 23:40:34,257 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 23:40:34,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 23:40:34,258 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-21 23:40:34,258 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 23:40:34,258 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 23:40:34,258 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-07-21 23:40:34,259 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-07-21 23:40:34,259 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-07-21 23:40:34,259 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 23:40:34,259 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 23:40:34,259 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 23:40:34,260 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 23:40:34,260 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 23:40:34,260 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 23:40:34,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 23:40:34,261 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 23:40:34,261 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 23:40:34,261 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 23:40:34,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 23:40:34,262 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1bb832e4d0e7c4dd1ff4f93df210c31ebafb64a6fafe0f8b3e3b578f6bcdd32 [2022-07-21 23:40:34,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 23:40:34,588 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 23:40:34,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 23:40:34,591 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 23:40:34,592 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 23:40:34,593 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/head-2.i [2022-07-21 23:40:34,647 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3aa5e63b/6dbd5b006987477884d5a8967596a304/FLAG4f28cf469 [2022-07-21 23:40:35,269 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 23:40:35,269 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/head-2.i [2022-07-21 23:40:35,294 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3aa5e63b/6dbd5b006987477884d5a8967596a304/FLAG4f28cf469 [2022-07-21 23:40:35,487 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3aa5e63b/6dbd5b006987477884d5a8967596a304 [2022-07-21 23:40:35,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 23:40:35,491 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 23:40:35,494 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 23:40:35,494 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 23:40:35,497 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 23:40:35,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:40:35" (1/1) ... [2022-07-21 23:40:35,499 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e58ae8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:40:35, skipping insertion in model container [2022-07-21 23:40:35,499 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:40:35" (1/1) ... [2022-07-21 23:40:35,504 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 23:40:35,578 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 23:40:36,700 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-07-21 23:40:36,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5600fad2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:40:36, skipping insertion in model container [2022-07-21 23:40:36,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 23:40:36,702 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-07-21 23:40:36,704 INFO L158 Benchmark]: Toolchain (without parser) took 1211.03ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 23.0MB in the beginning and 32.4MB in the end (delta: -9.4MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2022-07-21 23:40:36,705 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 50.3MB. Free memory is still 32.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 23:40:36,706 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1207.56ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 22.8MB in the beginning and 32.4MB in the end (delta: -9.7MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2022-07-21 23:40:36,708 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 50.3MB. Free memory is still 32.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1207.56ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 22.8MB in the beginning and 32.4MB in the end (delta: -9.7MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2308]: 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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/head-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 a1bb832e4d0e7c4dd1ff4f93df210c31ebafb64a6fafe0f8b3e3b578f6bcdd32 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 23:40:38,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 23:40:38,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 23:40:38,429 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 23:40:38,430 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 23:40:38,431 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 23:40:38,435 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 23:40:38,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 23:40:38,439 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 23:40:38,455 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 23:40:38,457 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 23:40:38,459 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 23:40:38,459 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 23:40:38,461 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 23:40:38,462 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 23:40:38,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 23:40:38,466 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 23:40:38,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 23:40:38,471 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 23:40:38,476 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 23:40:38,477 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 23:40:38,479 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 23:40:38,480 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 23:40:38,481 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 23:40:38,482 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 23:40:38,488 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 23:40:38,489 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 23:40:38,489 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 23:40:38,489 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 23:40:38,490 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 23:40:38,490 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 23:40:38,490 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 23:40:38,491 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 23:40:38,492 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 23:40:38,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 23:40:38,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 23:40:38,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 23:40:38,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 23:40:38,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 23:40:38,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 23:40:38,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 23:40:38,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 23:40:38,498 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2022-07-21 23:40:38,528 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 23:40:38,528 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 23:40:38,529 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 23:40:38,529 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 23:40:38,530 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 23:40:38,530 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 23:40:38,530 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 23:40:38,531 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 23:40:38,531 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 23:40:38,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 23:40:38,532 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-21 23:40:38,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 23:40:38,532 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 23:40:38,533 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-07-21 23:40:38,533 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-07-21 23:40:38,533 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-07-21 23:40:38,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 23:40:38,533 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 23:40:38,534 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 23:40:38,534 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 23:40:38,534 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 23:40:38,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 23:40:38,535 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 23:40:38,535 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 23:40:38,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 23:40:38,535 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 23:40:38,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 23:40:38,536 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 23:40:38,536 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 23:40:38,536 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 23:40:38,536 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1bb832e4d0e7c4dd1ff4f93df210c31ebafb64a6fafe0f8b3e3b578f6bcdd32 [2022-07-21 23:40:38,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 23:40:38,865 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 23:40:38,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 23:40:38,869 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 23:40:38,871 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 23:40:38,872 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/head-2.i [2022-07-21 23:40:38,928 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37e4bd743/e5ab6f40cfa841ec946e15bb0695e172/FLAG52ae02600 [2022-07-21 23:40:39,583 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 23:40:39,584 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/head-2.i [2022-07-21 23:40:39,616 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37e4bd743/e5ab6f40cfa841ec946e15bb0695e172/FLAG52ae02600 [2022-07-21 23:40:39,922 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37e4bd743/e5ab6f40cfa841ec946e15bb0695e172 [2022-07-21 23:40:39,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 23:40:39,925 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 23:40:39,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 23:40:39,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 23:40:39,931 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 23:40:39,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:40:39" (1/1) ... [2022-07-21 23:40:39,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1be24a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:40:39, skipping insertion in model container [2022-07-21 23:40:39,934 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:40:39" (1/1) ... [2022-07-21 23:40:39,945 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 23:40:39,990 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 23:40:40,713 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-07-21 23:40:40,713 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4fe715ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:40:40, skipping insertion in model container [2022-07-21 23:40:40,714 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 23:40:40,714 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-07-21 23:40:40,716 INFO L158 Benchmark]: Toolchain (without parser) took 789.45ms. Allocated memory was 56.6MB in the beginning and 75.5MB in the end (delta: 18.9MB). Free memory was 28.4MB in the beginning and 45.0MB in the end (delta: -16.6MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2022-07-21 23:40:40,716 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 56.6MB. Free memory was 38.0MB in the beginning and 37.9MB in the end (delta: 46.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 23:40:40,717 INFO L158 Benchmark]: CACSL2BoogieTranslator took 785.85ms. Allocated memory was 56.6MB in the beginning and 75.5MB in the end (delta: 18.9MB). Free memory was 28.2MB in the beginning and 45.0MB in the end (delta: -16.8MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2022-07-21 23:40:40,719 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 56.6MB. Free memory was 38.0MB in the beginning and 37.9MB in the end (delta: 46.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 785.85ms. Allocated memory was 56.6MB in the beginning and 75.5MB in the end (delta: 18.9MB). Free memory was 28.2MB in the beginning and 45.0MB in the end (delta: -16.8MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2308]: 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN