./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 b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa798b2-021d-43ef-a5df-fa166f2c254c/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa798b2-021d-43ef-a5df-fa166f2c254c/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa798b2-021d-43ef-a5df-fa166f2c254c/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa798b2-021d-43ef-a5df-fa166f2c254c/bin/utaipan-g80aRyZoba/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_1fa798b2-021d-43ef-a5df-fa166f2c254c/bin/utaipan-g80aRyZoba/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa798b2-021d-43ef-a5df-fa166f2c254c/bin/utaipan-g80aRyZoba --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 02:25:09,055 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:25:09,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:25:09,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:25:09,100 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:25:09,104 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:25:09,107 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:25:09,110 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:25:09,112 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:25:09,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:25:09,120 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:25:09,121 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:25:09,122 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:25:09,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:25:09,127 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:25:09,128 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:25:09,130 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:25:09,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:25:09,132 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:25:09,139 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:25:09,140 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:25:09,143 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:25:09,144 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:25:09,145 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:25:09,156 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:25:09,156 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:25:09,158 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:25:09,160 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:25:09,160 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:25:09,161 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:25:09,162 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:25:09,162 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:25:09,164 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:25:09,166 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:25:09,167 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:25:09,167 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:25:09,168 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:25:09,168 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:25:09,168 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:25:09,172 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:25:09,173 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:25:09,174 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa798b2-021d-43ef-a5df-fa166f2c254c/bin/utaipan-g80aRyZoba/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-11-22 02:25:09,218 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:25:09,218 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:25:09,219 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:25:09,219 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:25:09,220 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:25:09,220 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:25:09,220 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:25:09,221 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:25:09,221 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:25:09,221 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:25:09,222 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:25:09,222 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:25:09,223 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:25:09,223 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:25:09,223 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:25:09,223 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:25:09,224 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:25:09,224 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:25:09,225 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-22 02:25:09,225 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-22 02:25:09,225 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:25:09,225 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 02:25:09,226 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:25:09,226 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:25:09,227 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-22 02:25:09,227 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-22 02:25:09,227 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-22 02:25:09,227 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:25:09,228 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-22 02:25:09,228 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:25:09,228 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:25:09,229 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:25:09,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:25:09,229 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:25:09,229 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:25:09,230 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:25:09,230 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:25:09,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:25:09,230 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:25:09,231 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_1fa798b2-021d-43ef-a5df-fa166f2c254c/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa798b2-021d-43ef-a5df-fa166f2c254c/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 [2022-11-22 02:25:09,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:25:09,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:25:09,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:25:09,520 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:25:09,520 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:25:09,522 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa798b2-021d-43ef-a5df-fa166f2c254c/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2022-11-22 02:25:12,590 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:25:13,002 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:25:13,006 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa798b2-021d-43ef-a5df-fa166f2c254c/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2022-11-22 02:25:13,035 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa798b2-021d-43ef-a5df-fa166f2c254c/bin/utaipan-g80aRyZoba/data/9c3446e14/353fe671a4f24d5cba40f25a5aa1d476/FLAGf6a4ccc1f [2022-11-22 02:25:13,053 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa798b2-021d-43ef-a5df-fa166f2c254c/bin/utaipan-g80aRyZoba/data/9c3446e14/353fe671a4f24d5cba40f25a5aa1d476 [2022-11-22 02:25:13,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:25:13,057 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:25:13,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:25:13,059 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:25:13,062 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:25:13,063 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:25:13" (1/1) ... [2022-11-22 02:25:13,064 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@272e5e13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:25:13, skipping insertion in model container [2022-11-22 02:25:13,065 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:25:13" (1/1) ... [2022-11-22 02:25:13,072 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:25:13,154 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:25:14,373 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-22 02:25:14,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@73c2920e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:25:14, skipping insertion in model container [2022-11-22 02:25:14,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:25:14,374 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-22 02:25:14,375 INFO L158 Benchmark]: Toolchain (without parser) took 1317.61ms. Allocated memory is still 151.0MB. Free memory was 115.5MB in the beginning and 95.5MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-22 02:25:14,376 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 151.0MB. Free memory is still 91.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:25:14,376 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1315.23ms. Allocated memory is still 151.0MB. Free memory was 115.3MB in the beginning and 95.5MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-22 02:25:14,377 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 151.0MB. Free memory is still 91.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1315.23ms. Allocated memory is still 151.0MB. Free memory was 115.3MB in the beginning and 95.5MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. 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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa798b2-021d-43ef-a5df-fa166f2c254c/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa798b2-021d-43ef-a5df-fa166f2c254c/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa798b2-021d-43ef-a5df-fa166f2c254c/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa798b2-021d-43ef-a5df-fa166f2c254c/bin/utaipan-g80aRyZoba/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_1fa798b2-021d-43ef-a5df-fa166f2c254c/bin/utaipan-g80aRyZoba/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa798b2-021d-43ef-a5df-fa166f2c254c/bin/utaipan-g80aRyZoba --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 02:25:16,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:25:16,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:25:16,674 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:25:16,675 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:25:16,676 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:25:16,677 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:25:16,682 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:25:16,686 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:25:16,692 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:25:16,693 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:25:16,696 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:25:16,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:25:16,699 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:25:16,703 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:25:16,708 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:25:16,709 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:25:16,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:25:16,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:25:16,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:25:16,731 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:25:16,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:25:16,738 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:25:16,739 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:25:16,743 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:25:16,747 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:25:16,748 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:25:16,749 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:25:16,751 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:25:16,754 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:25:16,754 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:25:16,755 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:25:16,756 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:25:16,758 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:25:16,760 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:25:16,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:25:16,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:25:16,762 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:25:16,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:25:16,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:25:16,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:25:16,765 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa798b2-021d-43ef-a5df-fa166f2c254c/bin/utaipan-g80aRyZoba/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-11-22 02:25:16,810 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:25:16,811 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:25:16,811 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:25:16,811 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:25:16,812 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:25:16,812 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:25:16,812 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:25:16,813 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:25:16,813 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:25:16,813 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:25:16,813 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:25:16,813 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:25:16,814 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-22 02:25:16,814 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-22 02:25:16,815 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:25:16,815 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 02:25:16,815 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:25:16,815 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:25:16,816 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-22 02:25:16,816 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-22 02:25:16,816 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-22 02:25:16,816 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:25:16,816 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-22 02:25:16,817 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-22 02:25:16,817 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-22 02:25:16,817 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:25:16,817 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:25:16,817 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-22 02:25:16,818 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:25:16,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:25:16,818 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:25:16,818 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:25:16,819 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-22 02:25:16,819 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-22 02:25:16,819 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:25:16,819 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-22 02:25:16,819 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_1fa798b2-021d-43ef-a5df-fa166f2c254c/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa798b2-021d-43ef-a5df-fa166f2c254c/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 [2022-11-22 02:25:17,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:25:17,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:25:17,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:25:17,259 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:25:17,260 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:25:17,261 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa798b2-021d-43ef-a5df-fa166f2c254c/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2022-11-22 02:25:20,459 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:25:20,871 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:25:20,872 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa798b2-021d-43ef-a5df-fa166f2c254c/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2022-11-22 02:25:20,909 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa798b2-021d-43ef-a5df-fa166f2c254c/bin/utaipan-g80aRyZoba/data/bbb99baca/cabf8fb2f44e42d9b951ed3d961746bb/FLAGfce85f1cb [2022-11-22 02:25:20,933 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa798b2-021d-43ef-a5df-fa166f2c254c/bin/utaipan-g80aRyZoba/data/bbb99baca/cabf8fb2f44e42d9b951ed3d961746bb [2022-11-22 02:25:20,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:25:20,937 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:25:20,941 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:25:20,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:25:20,945 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:25:20,946 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:25:20" (1/1) ... [2022-11-22 02:25:20,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d800aca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:25:20, skipping insertion in model container [2022-11-22 02:25:20,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:25:20" (1/1) ... [2022-11-22 02:25:20,956 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:25:21,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:25:22,160 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-22 02:25:22,161 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@69097ed5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:25:22, skipping insertion in model container [2022-11-22 02:25:22,167 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:25:22,167 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-22 02:25:22,169 INFO L158 Benchmark]: Toolchain (without parser) took 1231.18ms. Allocated memory is still 92.3MB. Free memory was 65.9MB in the beginning and 44.6MB in the end (delta: 21.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-22 02:25:22,170 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 92.3MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:25:22,171 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1225.89ms. Allocated memory is still 92.3MB. Free memory was 65.9MB in the beginning and 44.6MB in the end (delta: 21.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-22 02:25:22,172 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 92.3MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1225.89ms. Allocated memory is still 92.3MB. Free memory was 65.9MB in the beginning and 44.6MB in the end (delta: 21.3MB). Peak memory consumption was 23.1MB. 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