./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 c3fed411 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-tmp.no-commuhash-c3fed41 [2021-12-19 12:21:57,153 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-19 12:21:57,155 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-19 12:21:57,201 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-19 12:21:57,201 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-19 12:21:57,204 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-19 12:21:57,205 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-19 12:21:57,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-19 12:21:57,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-19 12:21:57,213 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-19 12:21:57,214 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-19 12:21:57,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-19 12:21:57,215 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-19 12:21:57,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-19 12:21:57,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-19 12:21:57,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-19 12:21:57,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-19 12:21:57,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-19 12:21:57,224 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-19 12:21:57,229 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-19 12:21:57,230 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-19 12:21:57,231 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-19 12:21:57,232 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-19 12:21:57,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-19 12:21:57,234 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-19 12:21:57,234 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-19 12:21:57,235 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-19 12:21:57,236 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-19 12:21:57,236 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-19 12:21:57,236 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-19 12:21:57,237 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-19 12:21:57,237 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-19 12:21:57,238 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-19 12:21:57,239 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-19 12:21:57,240 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-19 12:21:57,240 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-19 12:21:57,240 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-19 12:21:57,241 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-19 12:21:57,241 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-19 12:21:57,241 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-19 12:21:57,242 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-19 12:21:57,243 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2021-12-19 12:21:57,268 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-19 12:21:57,268 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-19 12:21:57,268 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-19 12:21:57,268 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-19 12:21:57,269 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-19 12:21:57,269 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-19 12:21:57,270 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-19 12:21:57,270 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-19 12:21:57,270 INFO L138 SettingsManager]: * Use SBE=true [2021-12-19 12:21:57,270 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-19 12:21:57,271 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-19 12:21:57,271 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-19 12:21:57,271 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-19 12:21:57,271 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-19 12:21:57,271 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-19 12:21:57,271 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-19 12:21:57,272 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-19 12:21:57,272 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-19 12:21:57,272 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-19 12:21:57,272 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-19 12:21:57,272 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-19 12:21:57,272 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-19 12:21:57,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-19 12:21:57,273 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-19 12:21:57,273 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-19 12:21:57,273 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-19 12:21:57,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-19 12:21:57,274 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-19 12:21:57,274 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 [2021-12-19 12:21:57,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-19 12:21:57,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-19 12:21:57,502 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-19 12:21:57,503 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-19 12:21:57,511 INFO L275 PluginConnector]: CDTParser initialized [2021-12-19 12:21:57,513 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-12-19 12:21:57,574 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/574508135/3e234de73b3f4715a6c6ad42103b9d7d/FLAGaeb446fbf [2021-12-19 12:21:58,001 INFO L306 CDTParser]: Found 1 translation units. [2021-12-19 12:21:58,001 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-12-19 12:21:58,028 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/574508135/3e234de73b3f4715a6c6ad42103b9d7d/FLAGaeb446fbf [2021-12-19 12:21:58,036 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/574508135/3e234de73b3f4715a6c6ad42103b9d7d [2021-12-19 12:21:58,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-19 12:21:58,040 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-19 12:21:58,041 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-19 12:21:58,043 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-19 12:21:58,045 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-19 12:21:58,046 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 12:21:58" (1/1) ... [2021-12-19 12:21:58,047 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75ed5c42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:21:58, skipping insertion in model container [2021-12-19 12:21:58,047 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 12:21:58" (1/1) ... [2021-12-19 12:21:58,052 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-19 12:21:58,099 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-19 12:21:58,673 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-12-19 12:21:58,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@76712ec5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:21:58, skipping insertion in model container [2021-12-19 12:21:58,673 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-19 12:21:58,674 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-19 12:21:58,675 INFO L158 Benchmark]: Toolchain (without parser) took 634.15ms. Allocated memory is still 96.5MB. Free memory was 60.6MB in the beginning and 63.9MB in the end (delta: -3.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-19 12:21:58,676 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 79.7MB. Free memory was 61.1MB in the beginning and 61.1MB in the end (delta: 19.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-19 12:21:58,676 INFO L158 Benchmark]: CACSL2BoogieTranslator took 632.34ms. Allocated memory is still 96.5MB. Free memory was 60.2MB in the beginning and 63.9MB in the end (delta: -3.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-19 12:21:58,677 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 79.7MB. Free memory was 61.1MB in the beginning and 61.1MB in the end (delta: 19.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 632.34ms. Allocated memory is still 96.5MB. Free memory was 60.2MB in the beginning and 63.9MB in the end (delta: -3.7MB). Peak memory consumption was 12.6MB. 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 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-tmp.no-commuhash-c3fed41 [2021-12-19 12:22:00,270 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-19 12:22:00,273 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-19 12:22:00,312 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-19 12:22:00,313 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-19 12:22:00,315 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-19 12:22:00,316 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-19 12:22:00,320 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-19 12:22:00,321 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-19 12:22:00,326 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-19 12:22:00,327 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-19 12:22:00,331 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-19 12:22:00,331 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-19 12:22:00,333 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-19 12:22:00,334 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-19 12:22:00,337 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-19 12:22:00,338 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-19 12:22:00,339 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-19 12:22:00,340 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-19 12:22:00,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-19 12:22:00,344 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-19 12:22:00,345 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-19 12:22:00,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-19 12:22:00,347 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-19 12:22:00,350 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-19 12:22:00,353 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-19 12:22:00,353 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-19 12:22:00,354 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-19 12:22:00,355 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-19 12:22:00,355 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-19 12:22:00,355 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-19 12:22:00,356 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-19 12:22:00,357 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-19 12:22:00,358 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-19 12:22:00,358 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-19 12:22:00,359 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-19 12:22:00,359 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-19 12:22:00,359 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-19 12:22:00,359 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-19 12:22:00,362 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-19 12:22:00,363 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-19 12:22:00,365 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2021-12-19 12:22:00,393 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-19 12:22:00,394 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-19 12:22:00,394 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-19 12:22:00,395 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-19 12:22:00,395 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-19 12:22:00,395 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-19 12:22:00,396 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-19 12:22:00,396 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-19 12:22:00,396 INFO L138 SettingsManager]: * Use SBE=true [2021-12-19 12:22:00,397 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-19 12:22:00,397 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-19 12:22:00,397 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-19 12:22:00,398 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-19 12:22:00,398 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-19 12:22:00,398 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-19 12:22:00,398 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-19 12:22:00,398 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-19 12:22:00,398 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-19 12:22:00,399 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-19 12:22:00,399 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-19 12:22:00,399 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-19 12:22:00,399 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-19 12:22:00,399 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-19 12:22:00,399 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-19 12:22:00,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-19 12:22:00,400 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-19 12:22:00,400 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-19 12:22:00,400 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-19 12:22:00,400 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-19 12:22:00,400 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-19 12:22:00,400 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-19 12:22:00,401 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 [2021-12-19 12:22:00,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-19 12:22:00,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-19 12:22:00,635 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-19 12:22:00,636 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-19 12:22:00,636 INFO L275 PluginConnector]: CDTParser initialized [2021-12-19 12:22:00,640 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-12-19 12:22:00,695 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14ad90a5b/42d8043641f44b09a55165f89bf0e17e/FLAGc94c9e44e [2021-12-19 12:22:01,134 INFO L306 CDTParser]: Found 1 translation units. [2021-12-19 12:22:01,142 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-12-19 12:22:01,166 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14ad90a5b/42d8043641f44b09a55165f89bf0e17e/FLAGc94c9e44e [2021-12-19 12:22:01,473 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14ad90a5b/42d8043641f44b09a55165f89bf0e17e [2021-12-19 12:22:01,476 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-19 12:22:01,478 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-19 12:22:01,479 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-19 12:22:01,483 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-19 12:22:01,486 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-19 12:22:01,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 12:22:01" (1/1) ... [2021-12-19 12:22:01,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@734481de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:22:01, skipping insertion in model container [2021-12-19 12:22:01,488 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 12:22:01" (1/1) ... [2021-12-19 12:22:01,493 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-19 12:22:01,558 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-19 12:22:02,070 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-12-19 12:22:02,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@bcccedf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:22:02, skipping insertion in model container [2021-12-19 12:22:02,072 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-19 12:22:02,073 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-19 12:22:02,074 INFO L158 Benchmark]: Toolchain (without parser) took 595.55ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 30.0MB in the beginning and 43.6MB in the end (delta: -13.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-19 12:22:02,075 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 54.5MB. Free memory was 37.1MB in the beginning and 37.1MB in the end (delta: 50.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-19 12:22:02,077 INFO L158 Benchmark]: CACSL2BoogieTranslator took 593.97ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 29.8MB in the beginning and 43.6MB in the end (delta: -13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-19 12:22:02,078 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 54.5MB. Free memory was 37.1MB in the beginning and 37.1MB in the end (delta: 50.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 593.97ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 29.8MB in the beginning and 43.6MB in the end (delta: -13.8MB). Peak memory consumption was 8.4MB. 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