./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/uudecode-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 38b53e6a 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_3797af71-dc9f-432c-bf69-ef5a8bdf4d85/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3797af71-dc9f-432c-bf69-ef5a8bdf4d85/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3797af71-dc9f-432c-bf69-ef5a8bdf4d85/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3797af71-dc9f-432c-bf69-ef5a8bdf4d85/bin/utaipan-ByfvJB40ur/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/uudecode-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3797af71-dc9f-432c-bf69-ef5a8bdf4d85/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3797af71-dc9f-432c-bf69-ef5a8bdf4d85/bin/utaipan-ByfvJB40ur --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 d3829c2147007fd8d4b122857be90b96f2f0b16c9a49b3e85ba000cff65252b1 --- 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-38b53e6 [2022-11-26 00:07:07,960 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:07:07,963 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:07:08,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:07:08,013 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:07:08,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:07:08,022 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:07:08,027 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:07:08,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:07:08,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:07:08,033 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:07:08,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:07:08,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:07:08,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:07:08,037 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:07:08,039 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:07:08,040 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:07:08,041 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:07:08,043 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:07:08,046 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:07:08,047 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:07:08,049 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:07:08,050 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:07:08,052 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:07:08,056 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:07:08,057 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:07:08,057 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:07:08,064 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:07:08,065 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:07:08,066 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:07:08,067 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:07:08,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:07:08,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:07:08,071 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:07:08,074 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:07:08,075 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:07:08,077 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:07:08,078 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:07:08,078 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:07:08,079 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:07:08,082 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:07:08,083 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3797af71-dc9f-432c-bf69-ef5a8bdf4d85/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-11-26 00:07:08,126 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:07:08,129 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:07:08,130 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:07:08,130 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:07:08,131 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:07:08,132 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:07:08,132 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:07:08,132 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:07:08,133 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:07:08,133 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:07:08,134 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:07:08,135 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:07:08,135 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:07:08,135 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:07:08,136 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:07:08,136 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:07:08,136 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:07:08,137 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:07:08,137 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-26 00:07:08,138 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-26 00:07:08,138 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:07:08,138 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:07:08,139 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:07:08,139 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:07:08,139 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-26 00:07:08,140 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-26 00:07:08,140 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-26 00:07:08,141 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:07:08,141 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 00:07:08,141 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:07:08,142 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:07:08,142 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:07:08,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:07:08,143 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:07:08,143 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:07:08,143 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:07:08,144 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:07:08,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:07:08,144 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:07:08,144 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_3797af71-dc9f-432c-bf69-ef5a8bdf4d85/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3797af71-dc9f-432c-bf69-ef5a8bdf4d85/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3829c2147007fd8d4b122857be90b96f2f0b16c9a49b3e85ba000cff65252b1 [2022-11-26 00:07:08,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:07:08,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:07:08,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:07:08,519 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:07:08,519 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:07:08,521 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3797af71-dc9f-432c-bf69-ef5a8bdf4d85/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/uudecode-1.i [2022-11-26 00:07:12,349 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:07:12,856 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:07:12,862 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3797af71-dc9f-432c-bf69-ef5a8bdf4d85/sv-benchmarks/c/busybox-1.22.0/uudecode-1.i [2022-11-26 00:07:12,922 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3797af71-dc9f-432c-bf69-ef5a8bdf4d85/bin/utaipan-ByfvJB40ur/data/47f5293de/eec38900daff4f57a6bbaa888e5d6252/FLAG8db35c609 [2022-11-26 00:07:12,946 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3797af71-dc9f-432c-bf69-ef5a8bdf4d85/bin/utaipan-ByfvJB40ur/data/47f5293de/eec38900daff4f57a6bbaa888e5d6252 [2022-11-26 00:07:12,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:07:12,952 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:07:12,953 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:07:12,954 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:07:12,959 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:07:12,960 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:07:12" (1/1) ... [2022-11-26 00:07:12,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5867f318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:07:12, skipping insertion in model container [2022-11-26 00:07:12,961 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:07:12" (1/1) ... [2022-11-26 00:07:12,970 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:07:13,082 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:07:15,036 WARN L623 FunctionHandler]: Unknown extern function _IO_getc [2022-11-26 00:07:15,045 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-26 00:07:15,047 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-26 00:07:15,051 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-26 00:07:15,051 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@223f982b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:07:15, skipping insertion in model container [2022-11-26 00:07:15,067 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:07:15,068 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-26 00:07:15,075 INFO L158 Benchmark]: Toolchain (without parser) took 2117.65ms. Allocated memory was 130.0MB in the beginning and 165.7MB in the end (delta: 35.7MB). Free memory was 86.5MB in the beginning and 137.3MB in the end (delta: -50.7MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2022-11-26 00:07:15,075 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 130.0MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:07:15,076 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2114.54ms. Allocated memory was 130.0MB in the beginning and 165.7MB in the end (delta: 35.7MB). Free memory was 86.5MB in the beginning and 137.3MB in the end (delta: -50.7MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2022-11-26 00:07:15,078 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 130.0MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2114.54ms. Allocated memory was 130.0MB in the beginning and 165.7MB in the end (delta: 35.7MB). Free memory was 86.5MB in the beginning and 137.3MB in the end (delta: -50.7MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2436]: 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_3797af71-dc9f-432c-bf69-ef5a8bdf4d85/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3797af71-dc9f-432c-bf69-ef5a8bdf4d85/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3797af71-dc9f-432c-bf69-ef5a8bdf4d85/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3797af71-dc9f-432c-bf69-ef5a8bdf4d85/bin/utaipan-ByfvJB40ur/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/uudecode-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3797af71-dc9f-432c-bf69-ef5a8bdf4d85/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3797af71-dc9f-432c-bf69-ef5a8bdf4d85/bin/utaipan-ByfvJB40ur --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 d3829c2147007fd8d4b122857be90b96f2f0b16c9a49b3e85ba000cff65252b1 --- 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-38b53e6 [2022-11-26 00:07:18,016 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:07:18,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:07:18,076 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:07:18,079 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:07:18,083 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:07:18,089 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:07:18,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:07:18,096 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:07:18,103 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:07:18,105 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:07:18,107 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:07:18,108 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:07:18,111 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:07:18,115 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:07:18,117 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:07:18,120 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:07:18,121 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:07:18,125 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:07:18,133 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:07:18,136 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:07:18,143 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:07:18,146 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:07:18,148 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:07:18,152 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:07:18,156 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:07:18,157 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:07:18,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:07:18,160 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:07:18,161 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:07:18,162 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:07:18,164 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:07:18,166 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:07:18,167 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:07:18,169 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:07:18,169 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:07:18,170 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:07:18,171 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:07:18,171 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:07:18,172 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:07:18,173 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:07:18,179 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3797af71-dc9f-432c-bf69-ef5a8bdf4d85/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-11-26 00:07:18,231 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:07:18,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:07:18,232 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:07:18,233 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:07:18,234 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:07:18,234 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:07:18,235 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:07:18,235 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:07:18,235 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:07:18,236 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:07:18,237 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:07:18,237 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:07:18,238 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-26 00:07:18,239 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-26 00:07:18,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:07:18,239 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:07:18,240 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:07:18,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:07:18,240 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-26 00:07:18,241 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-26 00:07:18,241 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-26 00:07:18,241 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:07:18,242 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 00:07:18,242 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-26 00:07:18,242 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-26 00:07:18,243 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:07:18,243 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:07:18,244 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-26 00:07:18,244 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:07:18,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:07:18,245 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:07:18,245 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:07:18,246 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-26 00:07:18,246 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-26 00:07:18,246 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:07:18,247 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-26 00:07:18,247 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_3797af71-dc9f-432c-bf69-ef5a8bdf4d85/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3797af71-dc9f-432c-bf69-ef5a8bdf4d85/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3829c2147007fd8d4b122857be90b96f2f0b16c9a49b3e85ba000cff65252b1 [2022-11-26 00:07:18,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:07:18,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:07:18,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:07:18,791 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:07:18,792 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:07:18,794 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3797af71-dc9f-432c-bf69-ef5a8bdf4d85/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/uudecode-1.i [2022-11-26 00:07:22,712 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:07:23,318 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:07:23,319 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3797af71-dc9f-432c-bf69-ef5a8bdf4d85/sv-benchmarks/c/busybox-1.22.0/uudecode-1.i [2022-11-26 00:07:23,365 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3797af71-dc9f-432c-bf69-ef5a8bdf4d85/bin/utaipan-ByfvJB40ur/data/c7c2c219e/5a9087759f1e421dbb697e78af4ffa05/FLAGed24681da [2022-11-26 00:07:23,402 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3797af71-dc9f-432c-bf69-ef5a8bdf4d85/bin/utaipan-ByfvJB40ur/data/c7c2c219e/5a9087759f1e421dbb697e78af4ffa05 [2022-11-26 00:07:23,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:07:23,411 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:07:23,415 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:07:23,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:07:23,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:07:23,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:07:23" (1/1) ... [2022-11-26 00:07:23,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6121d0a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:07:23, skipping insertion in model container [2022-11-26 00:07:23,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:07:23" (1/1) ... [2022-11-26 00:07:23,435 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:07:23,582 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:07:25,297 WARN L623 FunctionHandler]: Unknown extern function _IO_getc [2022-11-26 00:07:25,316 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-26 00:07:25,318 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-26 00:07:25,324 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-26 00:07:25,325 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@629c62e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:07:25, skipping insertion in model container [2022-11-26 00:07:25,325 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:07:25,326 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-26 00:07:25,329 INFO L158 Benchmark]: Toolchain (without parser) took 1916.67ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 30.8MB in the beginning and 38.7MB in the end (delta: -7.9MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2022-11-26 00:07:25,329 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 58.7MB. Free memory is still 36.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:07:25,331 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1910.80ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 30.5MB in the beginning and 39.0MB in the end (delta: -8.5MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2022-11-26 00:07:25,333 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 58.7MB. Free memory is still 36.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1910.80ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 30.5MB in the beginning and 39.0MB in the end (delta: -8.5MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2436]: 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