./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 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb93fab-c844-4e05-9c44-71f95dbf136b/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb93fab-c844-4e05-9c44-71f95dbf136b/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb93fab-c844-4e05-9c44-71f95dbf136b/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb93fab-c844-4e05-9c44-71f95dbf136b/bin/utaipan-vmNK8stdcF/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb93fab-c844-4e05-9c44-71f95dbf136b/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb93fab-c844-4e05-9c44-71f95dbf136b/bin/utaipan-vmNK8stdcF --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:30:01,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:30:01,349 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:30:01,399 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:30:01,400 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:30:01,405 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:30:01,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:30:01,415 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:30:01,418 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:30:01,425 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:30:01,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:30:01,428 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:30:01,428 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:30:01,430 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:30:01,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:30:01,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:30:01,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:30:01,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:30:01,445 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:30:01,455 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:30:01,457 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:30:01,459 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:30:01,463 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:30:01,464 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:30:01,467 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:30:01,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:30:01,468 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:30:01,470 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:30:01,470 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:30:01,471 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:30:01,472 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:30:01,473 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:30:01,474 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:30:01,475 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:30:01,477 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:30:01,477 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:30:01,478 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:30:01,478 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:30:01,478 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:30:01,479 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:30:01,480 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:30:01,481 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb93fab-c844-4e05-9c44-71f95dbf136b/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-12 23:30:01,531 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:30:01,531 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:30:01,532 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:30:01,539 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:30:01,539 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:30:01,539 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:30:01,540 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:30:01,540 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:30:01,540 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:30:01,540 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:30:01,542 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:30:01,542 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:30:01,542 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:30:01,542 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:30:01,543 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:30:01,543 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:30:01,543 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-12 23:30:01,544 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-12 23:30:01,544 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:30:01,544 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-12 23:30:01,544 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:30:01,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:30:01,545 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-12 23:30:01,545 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-12 23:30:01,545 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-12 23:30:01,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:30:01,546 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:30:01,546 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:30:01,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:30:01,546 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:30:01,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:30:01,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:30:01,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:30:01,547 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:30:01,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:30:01,548 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:30:01,548 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:30:01,548 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_deb93fab-c844-4e05-9c44-71f95dbf136b/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb93fab-c844-4e05-9c44-71f95dbf136b/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 [2021-11-12 23:30:01,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:30:01,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:30:01,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:30:01,840 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:30:01,841 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:30:01,842 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb93fab-c844-4e05-9c44-71f95dbf136b/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-11-12 23:30:01,908 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb93fab-c844-4e05-9c44-71f95dbf136b/bin/utaipan-vmNK8stdcF/data/c5da23138/8a5327327ef3402395b15a35d48993c4/FLAG26c5f84f9 [2021-11-12 23:30:02,600 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:30:02,601 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb93fab-c844-4e05-9c44-71f95dbf136b/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-11-12 23:30:02,626 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb93fab-c844-4e05-9c44-71f95dbf136b/bin/utaipan-vmNK8stdcF/data/c5da23138/8a5327327ef3402395b15a35d48993c4/FLAG26c5f84f9 [2021-11-12 23:30:02,771 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb93fab-c844-4e05-9c44-71f95dbf136b/bin/utaipan-vmNK8stdcF/data/c5da23138/8a5327327ef3402395b15a35d48993c4 [2021-11-12 23:30:02,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:30:02,780 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:30:02,782 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:30:02,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:30:02,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:30:02,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:30:02" (1/1) ... [2021-11-12 23:30:02,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a19660c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:30:02, skipping insertion in model container [2021-11-12 23:30:02,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:30:02" (1/1) ... [2021-11-12 23:30:02,799 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:30:02,881 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:30:03,829 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-12 23:30:03,830 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@611f1000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:30:03, skipping insertion in model container [2021-11-12 23:30:03,831 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:30:03,831 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:30:03,834 INFO L158 Benchmark]: Toolchain (without parser) took 1052.25ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 45.0MB in the beginning and 76.5MB in the end (delta: -31.6MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2021-11-12 23:30:03,834 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 90.2MB. Free memory is still 65.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:30:03,835 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1049.12ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 44.8MB in the beginning and 76.5MB in the end (delta: -31.8MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2021-11-12 23:30:03,837 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 90.2MB. Free memory is still 65.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1049.12ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 44.8MB in the beginning and 76.5MB in the end (delta: -31.8MB). Peak memory consumption was 5.8MB. 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=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb93fab-c844-4e05-9c44-71f95dbf136b/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb93fab-c844-4e05-9c44-71f95dbf136b/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb93fab-c844-4e05-9c44-71f95dbf136b/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb93fab-c844-4e05-9c44-71f95dbf136b/bin/utaipan-vmNK8stdcF/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb93fab-c844-4e05-9c44-71f95dbf136b/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb93fab-c844-4e05-9c44-71f95dbf136b/bin/utaipan-vmNK8stdcF --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:30:06,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:30:06,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:30:06,321 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:30:06,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:30:06,327 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:30:06,330 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:30:06,339 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:30:06,343 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:30:06,354 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:30:06,355 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:30:06,357 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:30:06,358 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:30:06,364 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:30:06,366 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:30:06,367 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:30:06,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:30:06,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:30:06,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:30:06,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:30:06,375 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:30:06,381 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:30:06,385 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:30:06,386 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:30:06,393 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:30:06,393 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:30:06,394 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:30:06,396 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:30:06,397 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:30:06,398 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:30:06,398 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:30:06,399 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:30:06,401 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:30:06,402 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:30:06,404 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:30:06,404 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:30:06,405 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:30:06,405 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:30:06,406 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:30:06,408 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:30:06,408 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:30:06,414 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb93fab-c844-4e05-9c44-71f95dbf136b/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-12 23:30:06,451 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:30:06,451 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:30:06,452 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:30:06,452 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:30:06,452 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:30:06,453 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:30:06,453 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:30:06,453 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:30:06,453 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:30:06,453 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:30:06,454 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-12 23:30:06,454 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-12 23:30:06,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:30:06,455 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-12 23:30:06,455 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:30:06,455 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:30:06,456 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-12 23:30:06,456 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-12 23:30:06,456 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-12 23:30:06,456 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:30:06,456 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:30:06,457 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:30:06,457 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:30:06,457 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:30:06,457 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:30:06,458 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:30:06,458 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:30:06,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:30:06,458 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:30:06,459 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:30:06,459 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:30:06,459 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:30:06,459 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:30:06,459 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:30:06,460 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_deb93fab-c844-4e05-9c44-71f95dbf136b/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb93fab-c844-4e05-9c44-71f95dbf136b/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 [2021-11-12 23:30:06,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:30:06,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:30:06,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:30:06,893 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:30:06,894 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:30:06,896 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb93fab-c844-4e05-9c44-71f95dbf136b/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-11-12 23:30:06,972 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb93fab-c844-4e05-9c44-71f95dbf136b/bin/utaipan-vmNK8stdcF/data/f41f0d1ad/31d70837de0343459ed5a9563a02b287/FLAG7144196d3 [2021-11-12 23:30:07,873 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:30:07,874 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb93fab-c844-4e05-9c44-71f95dbf136b/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-11-12 23:30:07,903 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb93fab-c844-4e05-9c44-71f95dbf136b/bin/utaipan-vmNK8stdcF/data/f41f0d1ad/31d70837de0343459ed5a9563a02b287/FLAG7144196d3 [2021-11-12 23:30:07,954 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb93fab-c844-4e05-9c44-71f95dbf136b/bin/utaipan-vmNK8stdcF/data/f41f0d1ad/31d70837de0343459ed5a9563a02b287 [2021-11-12 23:30:07,956 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:30:07,958 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:30:07,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:30:07,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:30:07,963 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:30:07,964 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:30:07" (1/1) ... [2021-11-12 23:30:07,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16d148c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:30:07, skipping insertion in model container [2021-11-12 23:30:07,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:30:07" (1/1) ... [2021-11-12 23:30:07,973 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:30:08,037 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:30:09,081 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-12 23:30:09,082 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@408d135a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:30:09, skipping insertion in model container [2021-11-12 23:30:09,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:30:09,083 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:30:09,085 INFO L158 Benchmark]: Toolchain (without parser) took 1125.79ms. Allocated memory is still 81.8MB. Free memory was 61.1MB in the beginning and 55.6MB in the end (delta: 5.5MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2021-11-12 23:30:09,085 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 81.8MB. Free memory is still 61.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:30:09,086 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1123.23ms. Allocated memory is still 81.8MB. Free memory was 60.9MB in the beginning and 55.6MB in the end (delta: 5.3MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2021-11-12 23:30:09,088 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 81.8MB. Free memory is still 61.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1123.23ms. Allocated memory is still 81.8MB. Free memory was 60.9MB in the beginning and 55.6MB in the end (delta: 5.3MB). Peak memory consumption was 16.4MB. 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