./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 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cf55137-212e-4507-96ad-6660ec92d31c/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cf55137-212e-4507-96ad-6660ec92d31c/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cf55137-212e-4507-96ad-6660ec92d31c/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cf55137-212e-4507-96ad-6660ec92d31c/bin/uautomizer-WNIpwEf4Nt/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cf55137-212e-4507-96ad-6660ec92d31c/bin/uautomizer-WNIpwEf4Nt/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cf55137-212e-4507-96ad-6660ec92d31c/bin/uautomizer-WNIpwEf4Nt --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 ae47ea464d7b3654b12768aa5faafe9c13473b69 ............................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cf55137-212e-4507-96ad-6660ec92d31c/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cf55137-212e-4507-96ad-6660ec92d31c/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cf55137-212e-4507-96ad-6660ec92d31c/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cf55137-212e-4507-96ad-6660ec92d31c/bin/uautomizer-WNIpwEf4Nt/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cf55137-212e-4507-96ad-6660ec92d31c/bin/uautomizer-WNIpwEf4Nt/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cf55137-212e-4507-96ad-6660ec92d31c/bin/uautomizer-WNIpwEf4Nt --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 ae47ea464d7b3654b12768aa5faafe9c13473b69 .................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 01:01:37,952 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:01:37,956 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:01:38,007 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:01:38,008 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:01:38,013 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:01:38,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:01:38,021 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:01:38,024 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:01:38,032 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:01:38,033 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:01:38,035 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:01:38,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:01:38,039 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:01:38,042 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:01:38,043 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:01:38,044 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:01:38,045 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:01:38,048 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:01:38,059 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:01:38,061 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:01:38,063 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:01:38,066 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:01:38,068 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:01:38,077 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:01:38,078 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:01:38,078 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:01:38,081 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:01:38,081 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:01:38,083 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:01:38,083 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:01:38,084 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:01:38,087 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:01:38,088 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:01:38,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:01:38,090 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:01:38,091 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:01:38,092 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:01:38,092 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:01:38,093 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:01:38,094 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:01:38,095 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cf55137-212e-4507-96ad-6660ec92d31c/bin/uautomizer-WNIpwEf4Nt/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2021-10-13 01:01:38,145 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:01:38,145 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:01:38,146 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:01:38,146 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:01:38,154 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:01:38,155 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:01:38,155 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:01:38,155 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:01:38,155 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 01:01:38,156 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:01:38,157 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:01:38,157 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 01:01:38,157 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 01:01:38,157 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 01:01:38,157 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 01:01:38,158 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 01:01:38,158 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:01:38,158 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:01:38,158 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:01:38,158 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 01:01:38,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:01:38,159 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:01:38,159 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 01:01:38,159 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 01:01:38,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 01:01:38,160 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:01:38,160 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cf55137-212e-4507-96ad-6660ec92d31c/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cf55137-212e-4507-96ad-6660ec92d31c/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae47ea464d7b3654b12768aa5faafe9c13473b69 [2021-10-13 01:01:38,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:01:38,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:01:38,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:01:38,506 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:01:38,507 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:01:38,508 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cf55137-212e-4507-96ad-6660ec92d31c/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-10-13 01:01:38,588 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cf55137-212e-4507-96ad-6660ec92d31c/bin/uautomizer-WNIpwEf4Nt/data/3f89e51bb/30d2b8b28f1b43e3aaad767db5fddda7/FLAG787561146 [2021-10-13 01:01:39,287 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:01:39,288 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cf55137-212e-4507-96ad-6660ec92d31c/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-10-13 01:01:39,319 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cf55137-212e-4507-96ad-6660ec92d31c/bin/uautomizer-WNIpwEf4Nt/data/3f89e51bb/30d2b8b28f1b43e3aaad767db5fddda7/FLAG787561146 [2021-10-13 01:01:39,409 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cf55137-212e-4507-96ad-6660ec92d31c/bin/uautomizer-WNIpwEf4Nt/data/3f89e51bb/30d2b8b28f1b43e3aaad767db5fddda7 [2021-10-13 01:01:39,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:01:39,413 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-13 01:01:39,415 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:01:39,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:01:39,422 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:01:39,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:01:39" (1/1) ... [2021-10-13 01:01:39,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@119b6682 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:39, skipping insertion in model container [2021-10-13 01:01:39,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:01:39" (1/1) ... [2021-10-13 01:01:39,434 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:01:39,527 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:01:40,497 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-10-13 01:01:40,498 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6e1e538d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:40, skipping insertion in model container [2021-10-13 01:01:40,498 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:01:40,498 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-13 01:01:40,501 INFO L168 Benchmark]: Toolchain (without parser) took 1086.55 ms. Allocated memory is still 119.5 MB. Free memory was 80.0 MB in the beginning and 84.3 MB in the end (delta: -4.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:01:40,502 INFO L168 Benchmark]: CDTParser took 0.69 ms. Allocated memory is still 119.5 MB. Free memory was 93.8 MB in the beginning and 93.7 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:01:40,503 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1083.55 ms. Allocated memory is still 119.5 MB. Free memory was 80.0 MB in the beginning and 84.3 MB in the end (delta: -4.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:01:40,506 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69 ms. Allocated memory is still 119.5 MB. Free memory was 93.8 MB in the beginning and 93.7 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1083.55 ms. Allocated memory is still 119.5 MB. Free memory was 80.0 MB in the beginning and 84.3 MB in the end (delta: -4.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * 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... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 01:01:43,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:01:43,017 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:01:43,078 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:01:43,078 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:01:43,084 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:01:43,086 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:01:43,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:01:43,096 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:01:43,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:01:43,104 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:01:43,106 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:01:43,107 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:01:43,110 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:01:43,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:01:43,118 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:01:43,120 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:01:43,121 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:01:43,124 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:01:43,135 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:01:43,138 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:01:43,139 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:01:43,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:01:43,145 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:01:43,154 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:01:43,155 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:01:43,155 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:01:43,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:01:43,158 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:01:43,160 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:01:43,160 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:01:43,161 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:01:43,163 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:01:43,164 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:01:43,166 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:01:43,167 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:01:43,168 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:01:43,168 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:01:43,169 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:01:43,171 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:01:43,172 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:01:43,173 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cf55137-212e-4507-96ad-6660ec92d31c/bin/uautomizer-WNIpwEf4Nt/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2021-10-13 01:01:43,224 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:01:43,224 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:01:43,225 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:01:43,225 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:01:43,228 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:01:43,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:01:43,228 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:01:43,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:01:43,230 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 01:01:43,230 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:01:43,231 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:01:43,231 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 01:01:43,232 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 01:01:43,232 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 01:01:43,232 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 01:01:43,232 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 01:01:43,233 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 01:01:43,233 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 01:01:43,233 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:01:43,234 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:01:43,234 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:01:43,234 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 01:01:43,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:01:43,235 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:01:43,235 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 01:01:43,235 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-13 01:01:43,236 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 01:01:43,236 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:01:43,236 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 01:01:43,236 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cf55137-212e-4507-96ad-6660ec92d31c/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cf55137-212e-4507-96ad-6660ec92d31c/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae47ea464d7b3654b12768aa5faafe9c13473b69 [2021-10-13 01:01:43,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:01:43,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:01:43,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:01:43,667 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:01:43,668 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:01:43,669 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cf55137-212e-4507-96ad-6660ec92d31c/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-10-13 01:01:43,755 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cf55137-212e-4507-96ad-6660ec92d31c/bin/uautomizer-WNIpwEf4Nt/data/1168a8028/09f871d71a6b45b1942f12982ed7b3d2/FLAGf6961905c [2021-10-13 01:01:44,693 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:01:44,694 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cf55137-212e-4507-96ad-6660ec92d31c/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-10-13 01:01:44,729 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cf55137-212e-4507-96ad-6660ec92d31c/bin/uautomizer-WNIpwEf4Nt/data/1168a8028/09f871d71a6b45b1942f12982ed7b3d2/FLAGf6961905c [2021-10-13 01:01:45,241 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cf55137-212e-4507-96ad-6660ec92d31c/bin/uautomizer-WNIpwEf4Nt/data/1168a8028/09f871d71a6b45b1942f12982ed7b3d2 [2021-10-13 01:01:45,244 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:01:45,245 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-13 01:01:45,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:01:45,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:01:45,255 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:01:45,256 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:01:45" (1/1) ... [2021-10-13 01:01:45,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@386edd94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:45, skipping insertion in model container [2021-10-13 01:01:45,258 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:01:45" (1/1) ... [2021-10-13 01:01:45,267 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:01:45,356 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:01:46,400 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-10-13 01:01:46,401 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@304d57e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:46, skipping insertion in model container [2021-10-13 01:01:46,401 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:01:46,401 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-13 01:01:46,404 INFO L168 Benchmark]: Toolchain (without parser) took 1157.12 ms. Allocated memory is still 69.2 MB. Free memory was 42.9 MB in the beginning and 43.1 MB in the end (delta: -239.3 kB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. [2021-10-13 01:01:46,405 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 54.5 MB. Free memory is still 34.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:01:46,406 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1152.21 ms. Allocated memory is still 69.2 MB. Free memory was 42.8 MB in the beginning and 43.1 MB in the end (delta: -355.4 kB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. [2021-10-13 01:01:46,408 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 54.5 MB. Free memory is still 34.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1152.21 ms. Allocated memory is still 69.2 MB. Free memory was 42.8 MB in the beginning and 43.1 MB in the end (delta: -355.4 kB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. * 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...