./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 8393723b 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_554fd7fa-1bcf-4a2a-8587-c575cc9e2709/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554fd7fa-1bcf-4a2a-8587-c575cc9e2709/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554fd7fa-1bcf-4a2a-8587-c575cc9e2709/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554fd7fa-1bcf-4a2a-8587-c575cc9e2709/bin/utaipan-I9t0OCRTmS/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554fd7fa-1bcf-4a2a-8587-c575cc9e2709/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554fd7fa-1bcf-4a2a-8587-c575cc9e2709/bin/utaipan-I9t0OCRTmS --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 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e --- 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-8393723 [2022-11-19 07:29:42,048 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:29:42,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:29:42,097 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:29:42,098 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:29:42,103 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:29:42,106 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:29:42,110 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:29:42,113 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:29:42,116 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:29:42,118 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:29:42,122 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:29:42,122 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:29:42,128 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:29:42,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:29:42,132 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:29:42,134 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:29:42,135 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:29:42,140 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:29:42,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:29:42,146 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:29:42,147 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:29:42,151 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:29:42,152 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:29:42,160 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:29:42,165 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:29:42,165 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:29:42,167 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:29:42,168 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:29:42,169 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:29:42,170 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:29:42,171 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:29:42,173 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:29:42,175 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:29:42,177 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:29:42,177 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:29:42,178 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:29:42,178 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:29:42,178 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:29:42,179 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:29:42,180 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:29:42,181 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554fd7fa-1bcf-4a2a-8587-c575cc9e2709/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-11-19 07:29:42,228 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:29:42,228 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:29:42,229 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:29:42,230 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:29:42,231 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:29:42,231 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:29:42,231 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:29:42,232 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:29:42,232 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:29:42,232 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:29:42,234 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:29:42,234 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:29:42,234 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:29:42,234 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:29:42,235 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:29:42,235 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:29:42,235 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:29:42,235 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:29:42,236 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-19 07:29:42,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-19 07:29:42,237 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:29:42,237 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 07:29:42,237 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:29:42,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:29:42,238 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-19 07:29:42,238 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-19 07:29:42,239 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-19 07:29:42,239 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:29:42,239 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 07:29:42,240 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:29:42,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:29:42,240 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:29:42,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:29:42,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:29:42,241 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:29:42,241 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:29:42,241 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:29:42,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:29:42,242 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:29:42,242 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_554fd7fa-1bcf-4a2a-8587-c575cc9e2709/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554fd7fa-1bcf-4a2a-8587-c575cc9e2709/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2022-11-19 07:29:42,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:29:42,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:29:42,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:29:42,637 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:29:42,649 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:29:42,650 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554fd7fa-1bcf-4a2a-8587-c575cc9e2709/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-11-19 07:29:42,716 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554fd7fa-1bcf-4a2a-8587-c575cc9e2709/bin/utaipan-I9t0OCRTmS/data/b9f81ae8f/fc960a62af004c588e8c92b83c54bafe/FLAGe37135ab2 [2022-11-19 07:29:43,320 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:29:43,321 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554fd7fa-1bcf-4a2a-8587-c575cc9e2709/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-11-19 07:29:43,352 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554fd7fa-1bcf-4a2a-8587-c575cc9e2709/bin/utaipan-I9t0OCRTmS/data/b9f81ae8f/fc960a62af004c588e8c92b83c54bafe/FLAGe37135ab2 [2022-11-19 07:29:43,506 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554fd7fa-1bcf-4a2a-8587-c575cc9e2709/bin/utaipan-I9t0OCRTmS/data/b9f81ae8f/fc960a62af004c588e8c92b83c54bafe [2022-11-19 07:29:43,509 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:29:43,511 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:29:43,514 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:29:43,514 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:29:43,518 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:29:43,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:29:43" (1/1) ... [2022-11-19 07:29:43,521 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a9e0fdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:29:43, skipping insertion in model container [2022-11-19 07:29:43,521 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:29:43" (1/1) ... [2022-11-19 07:29:43,528 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:29:43,594 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:29:44,804 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2022-11-19 07:29:44,805 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@84d28ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:29:44, skipping insertion in model container [2022-11-19 07:29:44,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:29:44,805 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-19 07:29:44,808 INFO L158 Benchmark]: Toolchain (without parser) took 1295.81ms. Allocated memory was 98.6MB in the beginning and 136.3MB in the end (delta: 37.7MB). Free memory was 59.5MB in the beginning and 97.5MB in the end (delta: -38.0MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2022-11-19 07:29:44,809 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 98.6MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:29:44,811 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1291.64ms. Allocated memory was 98.6MB in the beginning and 136.3MB in the end (delta: 37.7MB). Free memory was 59.2MB in the beginning and 97.9MB in the end (delta: -38.7MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2022-11-19 07:29:44,819 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 98.6MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1291.64ms. Allocated memory was 98.6MB in the beginning and 136.3MB in the end (delta: 37.7MB). Free memory was 59.2MB in the beginning and 97.9MB in the end (delta: -38.7MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2359]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die 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_554fd7fa-1bcf-4a2a-8587-c575cc9e2709/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554fd7fa-1bcf-4a2a-8587-c575cc9e2709/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554fd7fa-1bcf-4a2a-8587-c575cc9e2709/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554fd7fa-1bcf-4a2a-8587-c575cc9e2709/bin/utaipan-I9t0OCRTmS/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554fd7fa-1bcf-4a2a-8587-c575cc9e2709/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554fd7fa-1bcf-4a2a-8587-c575cc9e2709/bin/utaipan-I9t0OCRTmS --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 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e --- 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-8393723 [2022-11-19 07:29:47,063 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:29:47,066 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:29:47,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:29:47,103 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:29:47,107 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:29:47,109 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:29:47,113 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:29:47,116 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:29:47,123 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:29:47,124 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:29:47,127 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:29:47,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:29:47,129 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:29:47,130 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:29:47,135 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:29:47,136 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:29:47,137 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:29:47,139 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:29:47,144 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:29:47,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:29:47,149 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:29:47,151 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:29:47,153 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:29:47,159 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:29:47,159 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:29:47,159 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:29:47,160 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:29:47,161 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:29:47,162 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:29:47,162 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:29:47,163 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:29:47,164 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:29:47,165 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:29:47,166 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:29:47,166 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:29:47,171 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:29:47,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:29:47,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:29:47,174 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:29:47,175 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:29:47,184 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554fd7fa-1bcf-4a2a-8587-c575cc9e2709/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-11-19 07:29:47,225 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:29:47,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:29:47,227 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:29:47,227 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:29:47,228 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:29:47,228 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:29:47,228 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:29:47,229 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:29:47,229 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:29:47,229 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:29:47,230 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:29:47,230 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:29:47,232 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-19 07:29:47,232 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-19 07:29:47,232 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:29:47,232 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 07:29:47,233 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:29:47,233 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:29:47,233 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-19 07:29:47,233 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-19 07:29:47,234 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-19 07:29:47,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:29:47,234 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 07:29:47,234 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-19 07:29:47,234 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-19 07:29:47,235 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:29:47,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:29:47,235 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-19 07:29:47,235 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:29:47,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:29:47,236 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:29:47,236 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:29:47,236 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-19 07:29:47,237 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-19 07:29:47,237 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:29:47,237 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-19 07:29:47,237 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_554fd7fa-1bcf-4a2a-8587-c575cc9e2709/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554fd7fa-1bcf-4a2a-8587-c575cc9e2709/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2022-11-19 07:29:47,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:29:47,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:29:47,678 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:29:47,681 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:29:47,682 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:29:47,684 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554fd7fa-1bcf-4a2a-8587-c575cc9e2709/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-11-19 07:29:47,758 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554fd7fa-1bcf-4a2a-8587-c575cc9e2709/bin/utaipan-I9t0OCRTmS/data/d608393b5/f8918f7fc6174afba9ea825e6b3f213b/FLAGcc79c659e [2022-11-19 07:29:48,497 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:29:48,498 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554fd7fa-1bcf-4a2a-8587-c575cc9e2709/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-11-19 07:29:48,519 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554fd7fa-1bcf-4a2a-8587-c575cc9e2709/bin/utaipan-I9t0OCRTmS/data/d608393b5/f8918f7fc6174afba9ea825e6b3f213b/FLAGcc79c659e [2022-11-19 07:29:48,602 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554fd7fa-1bcf-4a2a-8587-c575cc9e2709/bin/utaipan-I9t0OCRTmS/data/d608393b5/f8918f7fc6174afba9ea825e6b3f213b [2022-11-19 07:29:48,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:29:48,606 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:29:48,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:29:48,607 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:29:48,616 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:29:48,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:29:48" (1/1) ... [2022-11-19 07:29:48,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@692ae54c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:29:48, skipping insertion in model container [2022-11-19 07:29:48,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:29:48" (1/1) ... [2022-11-19 07:29:48,626 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:29:48,715 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:29:49,887 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2022-11-19 07:29:49,887 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@656ac0fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:29:49, skipping insertion in model container [2022-11-19 07:29:49,888 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:29:49,888 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-19 07:29:49,891 INFO L158 Benchmark]: Toolchain (without parser) took 1283.61ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 36.2MB in the beginning and 42.2MB in the end (delta: -6.0MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2022-11-19 07:29:49,892 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 60.8MB. Free memory was 42.9MB in the beginning and 42.8MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:29:49,894 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1280.83ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 36.1MB in the beginning and 42.2MB in the end (delta: -6.1MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2022-11-19 07:29:49,896 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 60.8MB. Free memory was 42.9MB in the beginning and 42.8MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1280.83ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 36.1MB in the beginning and 42.2MB in the end (delta: -6.1MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2359]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die 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