./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a31fd051 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/mkfifo-incomplete-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 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 --- Real Ultimate output --- This is Ultimate 0.2.2-?-a31fd05 [2023-02-15 13:35:12,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 13:35:12,163 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 13:35:12,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 13:35:12,193 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 13:35:12,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 13:35:12,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 13:35:12,202 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 13:35:12,204 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 13:35:12,208 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 13:35:12,209 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 13:35:12,210 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 13:35:12,211 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 13:35:12,214 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 13:35:12,216 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 13:35:12,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 13:35:12,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 13:35:12,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 13:35:12,220 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 13:35:12,224 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 13:35:12,226 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 13:35:12,226 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 13:35:12,227 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 13:35:12,228 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 13:35:12,234 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 13:35:12,235 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 13:35:12,235 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 13:35:12,236 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 13:35:12,237 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 13:35:12,237 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 13:35:12,238 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 13:35:12,238 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 13:35:12,239 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 13:35:12,240 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 13:35:12,242 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 13:35:12,242 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 13:35:12,242 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 13:35:12,243 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 13:35:12,243 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 13:35:12,244 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 13:35:12,245 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 13:35:12,246 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2023-02-15 13:35:12,269 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 13:35:12,269 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 13:35:12,270 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 13:35:12,270 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 13:35:12,271 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 13:35:12,271 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 13:35:12,271 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 13:35:12,271 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 13:35:12,271 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 13:35:12,272 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 13:35:12,272 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-15 13:35:12,273 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 13:35:12,273 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 13:35:12,273 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-02-15 13:35:12,273 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-02-15 13:35:12,273 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-02-15 13:35:12,273 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 13:35:12,273 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-15 13:35:12,274 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 13:35:12,274 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 13:35:12,274 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 13:35:12,274 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 13:35:12,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 13:35:12,274 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 13:35:12,275 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 13:35:12,275 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 13:35:12,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-15 13:35:12,275 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 13:35:12,275 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 13:35:12,276 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 13:35:12,276 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 13:35:12,276 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 [2023-02-15 13:35:12,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 13:35:12,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 13:35:12,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 13:35:12,515 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 13:35:12,516 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 13:35:12,517 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2023-02-15 13:35:13,632 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 13:35:13,908 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 13:35:13,909 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2023-02-15 13:35:13,926 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/918c7bd87/25a005a2330f40288923d86ac7b26e52/FLAG218760d06 [2023-02-15 13:35:13,939 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/918c7bd87/25a005a2330f40288923d86ac7b26e52 [2023-02-15 13:35:13,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 13:35:13,942 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 13:35:13,944 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 13:35:13,944 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 13:35:13,946 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 13:35:13,947 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 01:35:13" (1/1) ... [2023-02-15 13:35:13,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22d602e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:35:13, skipping insertion in model container [2023-02-15 13:35:13,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 01:35:13" (1/1) ... [2023-02-15 13:35:13,952 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 13:35:13,997 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 13:35:14,591 WARN L623 FunctionHandler]: Unknown extern function strerror [2023-02-15 13:35:14,596 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2023-02-15 13:35:14,597 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@645145d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:35:14, skipping insertion in model container [2023-02-15 13:35:14,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 13:35:14,598 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-02-15 13:35:14,599 INFO L158 Benchmark]: Toolchain (without parser) took 656.02ms. Allocated memory is still 148.9MB. Free memory was 98.4MB in the beginning and 78.3MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-02-15 13:35:14,600 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 148.9MB. Free memory was 120.0MB in the beginning and 119.9MB in the end (delta: 99.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 13:35:14,600 INFO L158 Benchmark]: CACSL2BoogieTranslator took 653.55ms. Allocated memory is still 148.9MB. Free memory was 98.4MB in the beginning and 78.3MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-02-15 13:35:14,602 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 148.9MB. Free memory was 120.0MB in the beginning and 119.9MB in the end (delta: 99.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 653.55ms. Allocated memory is still 148.9MB. Free memory was 98.4MB in the beginning and 78.3MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1913]: 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/mkfifo-incomplete-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 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 --- Real Ultimate output --- This is Ultimate 0.2.2-?-a31fd05 [2023-02-15 13:35:16,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 13:35:16,384 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 13:35:16,415 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 13:35:16,417 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 13:35:16,419 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 13:35:16,421 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 13:35:16,423 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 13:35:16,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 13:35:16,430 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 13:35:16,430 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 13:35:16,432 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 13:35:16,432 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 13:35:16,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 13:35:16,435 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 13:35:16,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 13:35:16,437 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 13:35:16,438 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 13:35:16,439 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 13:35:16,443 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 13:35:16,444 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 13:35:16,445 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 13:35:16,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 13:35:16,446 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 13:35:16,451 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 13:35:16,451 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 13:35:16,451 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 13:35:16,453 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 13:35:16,453 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 13:35:16,454 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 13:35:16,454 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 13:35:16,459 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 13:35:16,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 13:35:16,462 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 13:35:16,463 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 13:35:16,463 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 13:35:16,463 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 13:35:16,463 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 13:35:16,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 13:35:16,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 13:35:16,464 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 13:35:16,465 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2023-02-15 13:35:16,492 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 13:35:16,493 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 13:35:16,493 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 13:35:16,494 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 13:35:16,494 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 13:35:16,494 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 13:35:16,495 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 13:35:16,495 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 13:35:16,495 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 13:35:16,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 13:35:16,496 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-15 13:35:16,496 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 13:35:16,496 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 13:35:16,496 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-02-15 13:35:16,497 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-02-15 13:35:16,497 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-02-15 13:35:16,497 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 13:35:16,497 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-15 13:35:16,497 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-02-15 13:35:16,497 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-02-15 13:35:16,497 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 13:35:16,498 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 13:35:16,498 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 13:35:16,498 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 13:35:16,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 13:35:16,498 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 13:35:16,498 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 13:35:16,499 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-02-15 13:35:16,499 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-02-15 13:35:16,499 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 13:35:16,504 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 13:35:16,504 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 13:35:16,504 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-02-15 13:35:16,504 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 13:35:16,504 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 [2023-02-15 13:35:16,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 13:35:16,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 13:35:16,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 13:35:16,793 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 13:35:16,793 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 13:35:16,794 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2023-02-15 13:35:17,851 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 13:35:18,165 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 13:35:18,165 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2023-02-15 13:35:18,186 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71a6192ab/759b86c3cc4d4b0fa4c394c452566c4b/FLAG7c733f77c [2023-02-15 13:35:18,201 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71a6192ab/759b86c3cc4d4b0fa4c394c452566c4b [2023-02-15 13:35:18,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 13:35:18,204 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 13:35:18,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 13:35:18,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 13:35:18,207 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 13:35:18,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 01:35:18" (1/1) ... [2023-02-15 13:35:18,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a67be23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:35:18, skipping insertion in model container [2023-02-15 13:35:18,209 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 01:35:18" (1/1) ... [2023-02-15 13:35:18,213 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 13:35:18,273 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 13:35:18,820 WARN L623 FunctionHandler]: Unknown extern function strerror [2023-02-15 13:35:18,822 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2023-02-15 13:35:18,822 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4eb099ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:35:18, skipping insertion in model container [2023-02-15 13:35:18,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 13:35:18,823 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-02-15 13:35:18,824 INFO L158 Benchmark]: Toolchain (without parser) took 620.00ms. Allocated memory is still 71.3MB. Free memory was 44.1MB in the beginning and 39.7MB in the end (delta: 4.4MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2023-02-15 13:35:18,825 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 58.7MB. Free memory was 35.9MB in the beginning and 35.9MB in the end (delta: 47.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 13:35:18,825 INFO L158 Benchmark]: CACSL2BoogieTranslator took 617.56ms. Allocated memory is still 71.3MB. Free memory was 43.9MB in the beginning and 39.7MB in the end (delta: 4.2MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2023-02-15 13:35:18,826 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 58.7MB. Free memory was 35.9MB in the beginning and 35.9MB in the end (delta: 47.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 617.56ms. Allocated memory is still 71.3MB. Free memory was 43.9MB in the beginning and 39.7MB in the end (delta: 4.2MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1913]: 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