./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/sync-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d306796c-9456-4975-8481-08b75d06d18b/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d306796c-9456-4975-8481-08b75d06d18b/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d306796c-9456-4975-8481-08b75d06d18b/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d306796c-9456-4975-8481-08b75d06d18b/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/sync-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d306796c-9456-4975-8481-08b75d06d18b/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d306796c-9456-4975-8481-08b75d06d18b/bin/utaipan-gh47qXpMRh --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 727341e103cd8bce499d9ef3aeff00ef12cc47b8d9139b3e1b87abd8c9cbf8f9 --- 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-2329fc7 [2022-12-14 09:57:18,984 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 09:57:18,986 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 09:57:19,006 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 09:57:19,007 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 09:57:19,008 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 09:57:19,009 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 09:57:19,011 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 09:57:19,012 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 09:57:19,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 09:57:19,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 09:57:19,015 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 09:57:19,016 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 09:57:19,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 09:57:19,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 09:57:19,019 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 09:57:19,020 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 09:57:19,020 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 09:57:19,022 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 09:57:19,024 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 09:57:19,025 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 09:57:19,027 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 09:57:19,028 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 09:57:19,029 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 09:57:19,032 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 09:57:19,033 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 09:57:19,033 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 09:57:19,034 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 09:57:19,035 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 09:57:19,036 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 09:57:19,036 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 09:57:19,036 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 09:57:19,037 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 09:57:19,038 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 09:57:19,039 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 09:57:19,039 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 09:57:19,040 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 09:57:19,040 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 09:57:19,040 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 09:57:19,041 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 09:57:19,041 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 09:57:19,042 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d306796c-9456-4975-8481-08b75d06d18b/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-12-14 09:57:19,065 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 09:57:19,065 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 09:57:19,065 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 09:57:19,066 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 09:57:19,066 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 09:57:19,066 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 09:57:19,067 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 09:57:19,067 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 09:57:19,067 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 09:57:19,067 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 09:57:19,067 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 09:57:19,068 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 09:57:19,068 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 09:57:19,068 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 09:57:19,068 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 09:57:19,068 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 09:57:19,069 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 09:57:19,069 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 09:57:19,069 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 09:57:19,070 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 09:57:19,070 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 09:57:19,070 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 09:57:19,070 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 09:57:19,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 09:57:19,070 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 09:57:19,070 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 09:57:19,071 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 09:57:19,071 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 09:57:19,071 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 09:57:19,071 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 09:57:19,071 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 09:57:19,072 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 09:57:19,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:57:19,072 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 09:57:19,072 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 09:57:19,072 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 09:57:19,072 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 09:57:19,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 09:57:19,072 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 09:57:19,073 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_d306796c-9456-4975-8481-08b75d06d18b/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d306796c-9456-4975-8481-08b75d06d18b/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 727341e103cd8bce499d9ef3aeff00ef12cc47b8d9139b3e1b87abd8c9cbf8f9 [2022-12-14 09:57:19,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 09:57:19,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 09:57:19,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 09:57:19,276 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 09:57:19,276 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 09:57:19,277 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d306796c-9456-4975-8481-08b75d06d18b/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/sync-2.i [2022-12-14 09:57:21,818 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 09:57:22,026 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 09:57:22,027 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d306796c-9456-4975-8481-08b75d06d18b/sv-benchmarks/c/busybox-1.22.0/sync-2.i [2022-12-14 09:57:22,040 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d306796c-9456-4975-8481-08b75d06d18b/bin/utaipan-gh47qXpMRh/data/7a64ab13e/ef30f00cfe8a416e98989d43b4a6f169/FLAGc5cc326b5 [2022-12-14 09:57:22,051 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d306796c-9456-4975-8481-08b75d06d18b/bin/utaipan-gh47qXpMRh/data/7a64ab13e/ef30f00cfe8a416e98989d43b4a6f169 [2022-12-14 09:57:22,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 09:57:22,054 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 09:57:22,055 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 09:57:22,055 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 09:57:22,057 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 09:57:22,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:57:22" (1/1) ... [2022-12-14 09:57:22,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31f276be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:22, skipping insertion in model container [2022-12-14 09:57:22,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:57:22" (1/1) ... [2022-12-14 09:57:22,064 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 09:57:22,111 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 09:57:22,759 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-12-14 09:57:22,768 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-12-14 09:57:22,771 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg [2022-12-14 09:57:22,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7fca7e7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:22, skipping insertion in model container [2022-12-14 09:57:22,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 09:57:22,772 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 09:57:22,773 INFO L158 Benchmark]: Toolchain (without parser) took 718.44ms. Allocated memory is still 140.5MB. Free memory was 95.3MB in the beginning and 74.4MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 09:57:22,773 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 140.5MB. Free memory was 83.0MB in the beginning and 82.9MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 09:57:22,774 INFO L158 Benchmark]: CACSL2BoogieTranslator took 716.84ms. Allocated memory is still 140.5MB. Free memory was 94.8MB in the beginning and 74.4MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 09:57:22,775 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 140.5MB. Free memory was 83.0MB in the beginning and 82.9MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 716.84ms. Allocated memory is still 140.5MB. Free memory was 94.8MB in the beginning and 74.4MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1871]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d306796c-9456-4975-8481-08b75d06d18b/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d306796c-9456-4975-8481-08b75d06d18b/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d306796c-9456-4975-8481-08b75d06d18b/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d306796c-9456-4975-8481-08b75d06d18b/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/sync-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d306796c-9456-4975-8481-08b75d06d18b/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d306796c-9456-4975-8481-08b75d06d18b/bin/utaipan-gh47qXpMRh --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 727341e103cd8bce499d9ef3aeff00ef12cc47b8d9139b3e1b87abd8c9cbf8f9 --- 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-2329fc7 [2022-12-14 09:57:24,127 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 09:57:24,129 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 09:57:24,151 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 09:57:24,151 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 09:57:24,152 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 09:57:24,154 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 09:57:24,156 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 09:57:24,157 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 09:57:24,158 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 09:57:24,159 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 09:57:24,161 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 09:57:24,161 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 09:57:24,162 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 09:57:24,163 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 09:57:24,164 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 09:57:24,165 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 09:57:24,166 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 09:57:24,168 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 09:57:24,170 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 09:57:24,172 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 09:57:24,173 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 09:57:24,174 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 09:57:24,175 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 09:57:24,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 09:57:24,179 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 09:57:24,179 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 09:57:24,180 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 09:57:24,181 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 09:57:24,181 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 09:57:24,182 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 09:57:24,182 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 09:57:24,183 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 09:57:24,183 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 09:57:24,184 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 09:57:24,185 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 09:57:24,185 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 09:57:24,185 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 09:57:24,186 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 09:57:24,186 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 09:57:24,187 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 09:57:24,188 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d306796c-9456-4975-8481-08b75d06d18b/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-12-14 09:57:24,211 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 09:57:24,211 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 09:57:24,211 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 09:57:24,212 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 09:57:24,212 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 09:57:24,212 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 09:57:24,213 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 09:57:24,213 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 09:57:24,213 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 09:57:24,213 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 09:57:24,213 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 09:57:24,214 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 09:57:24,214 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 09:57:24,214 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 09:57:24,215 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 09:57:24,215 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 09:57:24,215 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 09:57:24,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 09:57:24,215 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 09:57:24,216 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 09:57:24,216 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 09:57:24,216 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 09:57:24,216 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 09:57:24,216 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 09:57:24,216 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 09:57:24,216 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 09:57:24,217 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 09:57:24,217 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 09:57:24,217 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 09:57:24,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:57:24,217 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 09:57:24,217 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 09:57:24,217 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 09:57:24,218 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 09:57:24,218 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 09:57:24,218 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 09:57:24,218 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_d306796c-9456-4975-8481-08b75d06d18b/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d306796c-9456-4975-8481-08b75d06d18b/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 727341e103cd8bce499d9ef3aeff00ef12cc47b8d9139b3e1b87abd8c9cbf8f9 [2022-12-14 09:57:24,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 09:57:24,452 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 09:57:24,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 09:57:24,454 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 09:57:24,454 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 09:57:24,456 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d306796c-9456-4975-8481-08b75d06d18b/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/sync-2.i [2022-12-14 09:57:27,040 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 09:57:27,253 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 09:57:27,254 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d306796c-9456-4975-8481-08b75d06d18b/sv-benchmarks/c/busybox-1.22.0/sync-2.i [2022-12-14 09:57:27,269 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d306796c-9456-4975-8481-08b75d06d18b/bin/utaipan-gh47qXpMRh/data/ea0d93073/03d87a00d5a84f6f999221942cf53cd8/FLAG56cd7a360 [2022-12-14 09:57:27,280 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d306796c-9456-4975-8481-08b75d06d18b/bin/utaipan-gh47qXpMRh/data/ea0d93073/03d87a00d5a84f6f999221942cf53cd8 [2022-12-14 09:57:27,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 09:57:27,283 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 09:57:27,284 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 09:57:27,284 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 09:57:27,287 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 09:57:27,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:57:27" (1/1) ... [2022-12-14 09:57:27,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63b8bf56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:27, skipping insertion in model container [2022-12-14 09:57:27,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:57:27" (1/1) ... [2022-12-14 09:57:27,294 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 09:57:27,338 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 09:57:27,872 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-12-14 09:57:27,885 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-12-14 09:57:27,888 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg [2022-12-14 09:57:27,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@56f6ebf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:27, skipping insertion in model container [2022-12-14 09:57:27,889 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 09:57:27,890 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 09:57:27,891 INFO L158 Benchmark]: Toolchain (without parser) took 607.61ms. Allocated memory is still 92.3MB. Free memory was 59.4MB in the beginning and 60.8MB in the end (delta: -1.4MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2022-12-14 09:57:27,892 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 67.1MB. Free memory was 45.8MB in the beginning and 45.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 09:57:27,892 INFO L158 Benchmark]: CACSL2BoogieTranslator took 605.69ms. Allocated memory is still 92.3MB. Free memory was 59.2MB in the beginning and 60.8MB in the end (delta: -1.6MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2022-12-14 09:57:27,894 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 67.1MB. Free memory was 45.8MB in the beginning and 45.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 605.69ms. Allocated memory is still 92.3MB. Free memory was 59.2MB in the beginning and 60.8MB in the end (delta: -1.6MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1871]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_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