./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 b5237d83 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_493ef7e7-47da-45e8-b944-fea409d352ae/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ef7e7-47da-45e8-b944-fea409d352ae/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ef7e7-47da-45e8-b944-fea409d352ae/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ef7e7-47da-45e8-b944-fea409d352ae/bin/utaipan-g80aRyZoba/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_493ef7e7-47da-45e8-b944-fea409d352ae/bin/utaipan-g80aRyZoba/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ef7e7-47da-45e8-b944-fea409d352ae/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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-b5237d8 [2022-11-22 01:58:16,088 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:58:16,090 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:58:16,114 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:58:16,114 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:58:16,116 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:58:16,117 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:58:16,119 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:58:16,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:58:16,122 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:58:16,124 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:58:16,125 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:58:16,126 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:58:16,135 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:58:16,137 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:58:16,139 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:58:16,144 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:58:16,145 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:58:16,147 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:58:16,152 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:58:16,159 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:58:16,163 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:58:16,164 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:58:16,165 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:58:16,171 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:58:16,176 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:58:16,176 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:58:16,178 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:58:16,178 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:58:16,181 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:58:16,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:58:16,184 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:58:16,186 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:58:16,188 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:58:16,189 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:58:16,191 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:58:16,192 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:58:16,193 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:58:16,193 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:58:16,194 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:58:16,196 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:58:16,197 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ef7e7-47da-45e8-b944-fea409d352ae/bin/utaipan-g80aRyZoba/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-11-22 01:58:16,234 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:58:16,240 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:58:16,241 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:58:16,242 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:58:16,243 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:58:16,243 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:58:16,243 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:58:16,244 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:58:16,244 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:58:16,244 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:58:16,245 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:58:16,246 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:58:16,246 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:58:16,246 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:58:16,246 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:58:16,247 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:58:16,247 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:58:16,247 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:58:16,248 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-22 01:58:16,248 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-22 01:58:16,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:58:16,249 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 01:58:16,249 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:58:16,249 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:58:16,250 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-22 01:58:16,250 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-22 01:58:16,250 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-22 01:58:16,251 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:58:16,251 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-22 01:58:16,251 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:58:16,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:58:16,252 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:58:16,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:58:16,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:58:16,253 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:58:16,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:58:16,253 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:58:16,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:58:16,254 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:58:16,254 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_493ef7e7-47da-45e8-b944-fea409d352ae/bin/utaipan-g80aRyZoba/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ef7e7-47da-45e8-b944-fea409d352ae/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2022-11-22 01:58:16,591 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:58:16,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:58:16,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:58:16,632 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:58:16,632 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:58:16,634 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ef7e7-47da-45e8-b944-fea409d352ae/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-11-22 01:58:19,883 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:58:20,395 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:58:20,396 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ef7e7-47da-45e8-b944-fea409d352ae/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-11-22 01:58:20,432 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ef7e7-47da-45e8-b944-fea409d352ae/bin/utaipan-g80aRyZoba/data/e5660a758/eb9a531cf4fd4982bc11b4b166f58004/FLAGa32082276 [2022-11-22 01:58:20,451 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ef7e7-47da-45e8-b944-fea409d352ae/bin/utaipan-g80aRyZoba/data/e5660a758/eb9a531cf4fd4982bc11b4b166f58004 [2022-11-22 01:58:20,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:58:20,457 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:58:20,458 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:58:20,459 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:58:20,464 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:58:20,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:58:20" (1/1) ... [2022-11-22 01:58:20,466 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ccd7126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:58:20, skipping insertion in model container [2022-11-22 01:58:20,467 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:58:20" (1/1) ... [2022-11-22 01:58:20,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:58:20,559 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:58:22,398 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 [2022-11-22 01:58:22,399 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1cfad999 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:58:22, skipping insertion in model container [2022-11-22 01:58:22,399 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:58:22,400 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-22 01:58:22,403 INFO L158 Benchmark]: Toolchain (without parser) took 1944.96ms. Allocated memory is still 136.3MB. Free memory was 95.9MB in the beginning and 68.9MB in the end (delta: 27.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-22 01:58:22,404 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 98.6MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:58:22,405 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1941.66ms. Allocated memory is still 136.3MB. Free memory was 95.6MB in the beginning and 68.9MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-22 01:58:22,407 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 98.6MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1941.66ms. Allocated memory is still 136.3MB. Free memory was 95.6MB in the beginning and 68.9MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ef7e7-47da-45e8-b944-fea409d352ae/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ef7e7-47da-45e8-b944-fea409d352ae/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ef7e7-47da-45e8-b944-fea409d352ae/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ef7e7-47da-45e8-b944-fea409d352ae/bin/utaipan-g80aRyZoba/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_493ef7e7-47da-45e8-b944-fea409d352ae/bin/utaipan-g80aRyZoba/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ef7e7-47da-45e8-b944-fea409d352ae/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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-b5237d8 [2022-11-22 01:58:25,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:58:25,312 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:58:25,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:58:25,365 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:58:25,370 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:58:25,373 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:58:25,377 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:58:25,380 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:58:25,387 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:58:25,389 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:58:25,392 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:58:25,393 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:58:25,396 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:58:25,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:58:25,406 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:58:25,408 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:58:25,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:58:25,412 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:58:25,418 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:58:25,420 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:58:25,423 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:58:25,426 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:58:25,427 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:58:25,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:58:25,442 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:58:25,442 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:58:25,444 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:58:25,446 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:58:25,448 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:58:25,448 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:58:25,450 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:58:25,455 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:58:25,456 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:58:25,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:58:25,466 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:58:25,467 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:58:25,468 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:58:25,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:58:25,470 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:58:25,471 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:58:25,478 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ef7e7-47da-45e8-b944-fea409d352ae/bin/utaipan-g80aRyZoba/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-11-22 01:58:25,535 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:58:25,535 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:58:25,536 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:58:25,537 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:58:25,538 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:58:25,538 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:58:25,539 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:58:25,539 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:58:25,540 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:58:25,540 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:58:25,541 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:58:25,542 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:58:25,543 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-22 01:58:25,543 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-22 01:58:25,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:58:25,544 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 01:58:25,544 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:58:25,544 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:58:25,545 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-22 01:58:25,545 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-22 01:58:25,545 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-22 01:58:25,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:58:25,546 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-22 01:58:25,546 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-22 01:58:25,546 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-22 01:58:25,547 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:58:25,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:58:25,547 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-22 01:58:25,548 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:58:25,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:58:25,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:58:25,549 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:58:25,549 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-22 01:58:25,549 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-22 01:58:25,550 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:58:25,550 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-22 01:58:25,551 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_493ef7e7-47da-45e8-b944-fea409d352ae/bin/utaipan-g80aRyZoba/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ef7e7-47da-45e8-b944-fea409d352ae/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2022-11-22 01:58:26,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:58:26,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:58:26,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:58:26,050 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:58:26,051 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:58:26,053 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ef7e7-47da-45e8-b944-fea409d352ae/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-11-22 01:58:29,936 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:58:30,580 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:58:30,581 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ef7e7-47da-45e8-b944-fea409d352ae/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-11-22 01:58:30,630 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ef7e7-47da-45e8-b944-fea409d352ae/bin/utaipan-g80aRyZoba/data/c7d2ff09f/6147087bb1bd4ff8afb56f84d5c64973/FLAG3a193ebba [2022-11-22 01:58:30,657 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ef7e7-47da-45e8-b944-fea409d352ae/bin/utaipan-g80aRyZoba/data/c7d2ff09f/6147087bb1bd4ff8afb56f84d5c64973 [2022-11-22 01:58:30,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:58:30,663 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:58:30,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:58:30,665 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:58:30,669 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:58:30,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:58:30" (1/1) ... [2022-11-22 01:58:30,672 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63bbb4e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:58:30, skipping insertion in model container [2022-11-22 01:58:30,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:58:30" (1/1) ... [2022-11-22 01:58:30,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:58:30,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:58:32,123 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 [2022-11-22 01:58:32,125 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@370c5d5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:58:32, skipping insertion in model container [2022-11-22 01:58:32,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:58:32,127 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-22 01:58:32,130 INFO L158 Benchmark]: Toolchain (without parser) took 1465.83ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 38.9MB in the beginning and 51.9MB in the end (delta: -13.0MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2022-11-22 01:58:32,131 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 67.1MB. Free memory is still 45.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:58:32,132 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1462.45ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 38.7MB in the beginning and 51.9MB in the end (delta: -13.2MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2022-11-22 01:58:32,134 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 67.1MB. Free memory is still 45.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1462.45ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 38.7MB in the beginning and 51.9MB in the end (delta: -13.2MB). Peak memory consumption was 15.3MB. 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