./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 b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4aa32ca-8e2b-4486-8013-45694cd4fa17/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4aa32ca-8e2b-4486-8013-45694cd4fa17/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4aa32ca-8e2b-4486-8013-45694cd4fa17/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4aa32ca-8e2b-4486-8013-45694cd4fa17/bin/utaipan-SDwSMHVbGG/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_a4aa32ca-8e2b-4486-8013-45694cd4fa17/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4aa32ca-8e2b-4486-8013-45694cd4fa17/bin/utaipan-SDwSMHVbGG --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 ......................................................................................................................................... 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_a4aa32ca-8e2b-4486-8013-45694cd4fa17/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4aa32ca-8e2b-4486-8013-45694cd4fa17/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4aa32ca-8e2b-4486-8013-45694cd4fa17/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4aa32ca-8e2b-4486-8013-45694cd4fa17/bin/utaipan-SDwSMHVbGG/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_a4aa32ca-8e2b-4486-8013-45694cd4fa17/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4aa32ca-8e2b-4486-8013-45694cd4fa17/bin/utaipan-SDwSMHVbGG --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 ...................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:05:30,933 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:05:30,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:05:30,989 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:05:30,990 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:05:30,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:05:30,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:05:31,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:05:31,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:05:31,008 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:05:31,009 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:05:31,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:05:31,012 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:05:31,014 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:05:31,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:05:31,021 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:05:31,022 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:05:31,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:05:31,026 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:05:31,033 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:05:31,035 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:05:31,037 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:05:31,040 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:05:31,041 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:05:31,047 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:05:31,048 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:05:31,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:05:31,050 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:05:31,051 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:05:31,052 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:05:31,053 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:05:31,054 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:05:31,056 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:05:31,057 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:05:31,058 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:05:31,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:05:31,059 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:05:31,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:05:31,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:05:31,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:05:31,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:05:31,062 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4aa32ca-8e2b-4486-8013-45694cd4fa17/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-10-29 05:05:31,107 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:05:31,107 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:05:31,109 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:05:31,115 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:05:31,115 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:05:31,116 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:05:31,116 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:05:31,116 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:05:31,116 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:05:31,116 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:05:31,118 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:05:31,118 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:05:31,118 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:05:31,118 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:05:31,118 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:05:31,119 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 05:05:31,119 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 05:05:31,120 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:05:31,120 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 05:05:31,120 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:05:31,120 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:05:31,121 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 05:05:31,121 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 05:05:31,121 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 05:05:31,121 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:05:31,121 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:05:31,123 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:05:31,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:05:31,124 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:05:31,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:05:31,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:05:31,124 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:05:31,125 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:05:31,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:05:31,125 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:05:31,125 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:05:31,125 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_a4aa32ca-8e2b-4486-8013-45694cd4fa17/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4aa32ca-8e2b-4486-8013-45694cd4fa17/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 [2021-10-29 05:05:31,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:05:31,414 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:05:31,416 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:05:31,417 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:05:31,418 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:05:31,419 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4aa32ca-8e2b-4486-8013-45694cd4fa17/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-10-29 05:05:31,482 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4aa32ca-8e2b-4486-8013-45694cd4fa17/bin/utaipan-SDwSMHVbGG/data/8632c8a34/89b0157b0aee41c7a3121ab67db4058b/FLAG32e947aa0 [2021-10-29 05:05:32,180 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:05:32,181 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4aa32ca-8e2b-4486-8013-45694cd4fa17/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-10-29 05:05:32,205 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4aa32ca-8e2b-4486-8013-45694cd4fa17/bin/utaipan-SDwSMHVbGG/data/8632c8a34/89b0157b0aee41c7a3121ab67db4058b/FLAG32e947aa0 [2021-10-29 05:05:32,355 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4aa32ca-8e2b-4486-8013-45694cd4fa17/bin/utaipan-SDwSMHVbGG/data/8632c8a34/89b0157b0aee41c7a3121ab67db4058b [2021-10-29 05:05:32,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:05:32,359 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:05:32,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:05:32,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:05:32,368 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:05:32,369 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:05:32" (1/1) ... [2021-10-29 05:05:32,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@572ecbd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:05:32, skipping insertion in model container [2021-10-29 05:05:32,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:05:32" (1/1) ... [2021-10-29 05:05:32,376 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:05:32,443 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:05:33,409 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-10-29 05:05:33,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5093d8f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:05:33, skipping insertion in model container [2021-10-29 05:05:33,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:05:33,413 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:05:33,417 INFO L168 Benchmark]: Toolchain (without parser) took 1056.17 ms. Allocated memory is still 153.1 MB. Free memory was 114.7 MB in the beginning and 117.1 MB in the end (delta: -2.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:05:33,418 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 83.9 MB. Free memory was 42.2 MB in the beginning and 42.1 MB in the end (delta: 50.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:05:33,420 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1052.67 ms. Allocated memory is still 153.1 MB. Free memory was 114.7 MB in the beginning and 117.1 MB in the end (delta: -2.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:05:33,422 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 83.9 MB. Free memory was 42.2 MB in the beginning and 42.1 MB in the end (delta: 50.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1052.67 ms. Allocated memory is still 153.1 MB. Free memory was 114.7 MB in the beginning and 117.1 MB in the end (delta: -2.5 MB). Peak memory consumption was 12.6 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... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:05:35,796 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:05:35,798 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:05:35,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:05:35,836 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:05:35,838 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:05:35,840 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:05:35,842 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:05:35,845 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:05:35,846 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:05:35,847 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:05:35,849 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:05:35,849 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:05:35,851 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:05:35,852 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:05:35,854 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:05:35,855 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:05:35,856 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:05:35,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:05:35,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:05:35,875 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:05:35,880 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:05:35,881 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:05:35,883 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:05:35,888 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:05:35,893 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:05:35,893 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:05:35,897 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:05:35,898 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:05:35,900 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:05:35,900 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:05:35,901 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:05:35,903 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:05:35,904 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:05:35,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:05:35,906 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:05:35,907 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:05:35,908 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:05:35,908 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:05:35,910 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:05:35,911 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:05:35,916 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4aa32ca-8e2b-4486-8013-45694cd4fa17/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-10-29 05:05:35,970 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:05:35,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:05:35,972 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:05:35,973 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:05:35,973 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:05:35,973 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:05:35,973 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:05:35,974 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:05:35,974 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:05:35,976 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 05:05:35,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 05:05:35,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:05:35,978 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 05:05:35,978 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:05:35,978 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:05:35,978 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 05:05:35,979 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 05:05:35,979 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 05:05:35,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:05:35,979 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:05:35,980 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:05:35,980 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:05:35,980 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:05:35,981 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:05:35,981 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:05:35,981 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:05:35,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:05:35,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:05:35,982 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:05:35,982 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:05:35,982 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:05:35,983 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:05:35,983 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:05:35,983 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_a4aa32ca-8e2b-4486-8013-45694cd4fa17/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4aa32ca-8e2b-4486-8013-45694cd4fa17/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 [2021-10-29 05:05:36,382 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:05:36,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:05:36,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:05:36,406 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:05:36,407 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:05:36,408 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4aa32ca-8e2b-4486-8013-45694cd4fa17/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-10-29 05:05:36,476 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4aa32ca-8e2b-4486-8013-45694cd4fa17/bin/utaipan-SDwSMHVbGG/data/fbb97e881/83cf031fb2c045758225926272d75791/FLAG0318b040d [2021-10-29 05:05:37,098 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:05:37,098 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4aa32ca-8e2b-4486-8013-45694cd4fa17/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-10-29 05:05:37,129 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4aa32ca-8e2b-4486-8013-45694cd4fa17/bin/utaipan-SDwSMHVbGG/data/fbb97e881/83cf031fb2c045758225926272d75791/FLAG0318b040d [2021-10-29 05:05:37,305 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4aa32ca-8e2b-4486-8013-45694cd4fa17/bin/utaipan-SDwSMHVbGG/data/fbb97e881/83cf031fb2c045758225926272d75791 [2021-10-29 05:05:37,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:05:37,316 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:05:37,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:05:37,319 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:05:37,323 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:05:37,323 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:05:37" (1/1) ... [2021-10-29 05:05:37,325 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75b0676 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:05:37, skipping insertion in model container [2021-10-29 05:05:37,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:05:37" (1/1) ... [2021-10-29 05:05:37,334 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:05:37,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:05:38,438 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-10-29 05:05:38,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@cb5ac0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:05:38, skipping insertion in model container [2021-10-29 05:05:38,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:05:38,440 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:05:38,442 INFO L168 Benchmark]: Toolchain (without parser) took 1125.17 ms. Allocated memory was 52.4 MB in the beginning and 73.4 MB in the end (delta: 21.0 MB). Free memory was 25.6 MB in the beginning and 48.1 MB in the end (delta: -22.4 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.1 GB. [2021-10-29 05:05:38,443 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 52.4 MB. Free memory was 33.4 MB in the beginning and 33.4 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:05:38,444 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1120.79 ms. Allocated memory was 52.4 MB in the beginning and 73.4 MB in the end (delta: 21.0 MB). Free memory was 25.5 MB in the beginning and 48.2 MB in the end (delta: -22.8 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.1 GB. [2021-10-29 05:05:38,446 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 52.4 MB. Free memory was 33.4 MB in the beginning and 33.4 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1120.79 ms. Allocated memory was 52.4 MB in the beginning and 73.4 MB in the end (delta: 21.0 MB). Free memory was 25.5 MB in the beginning and 48.2 MB in the end (delta: -22.8 MB). Peak memory consumption was 4.7 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...